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Message-ID: <CAJRtX8RtGSGbjQ1kjAa8_d1Kx-GVp_T5T7XVby7bZ9_khWD=wA@mail.gmail.com>
Date: Wed, 27 Dec 2023 16:26:49 +0800
From: Jingbao Qiu <qiujingbao.dlmu@...il.com>
To: Inochi Amaoto <inochiama@...look.com>
Cc: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
Chao Wei <chao.wei@...hgo.com>, Chen Wang <unicorn_wang@...look.com>,
Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>, Jisheng Zhang <jszhang@...nel.org>,
Liu Gui <kenneth.liu@...hgo.com>, dlan@...too.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v5 1/3] clk: sophgo: Add CV1800 series clock controller driver
On Wed, Dec 27, 2023 at 10:54 AM Inochi Amaoto <inochiama@...look.com> wrote:
>
> Add driver for CV1800 series clock controller.
>
> Signed-off-by: Inochi Amaoto <inochiama@...look.com>
> Link: https://github.com/milkv-duo/duo-files/blob/main/hardware/CV1800B/CV180X-Clock-v1.xlsx
> Link: https://github.com/milkv-duo/duo-files/blob/main/hardware/CV1800B/CV1800B-CV1801B-Preliminary-Datasheet-full-en.pdf
This link may be invalid. Please check it.
> ---
> drivers/clk/Kconfig | 1 +
> drivers/clk/Makefile | 1 +
> drivers/clk/sophgo/Kconfig | 12 +
> drivers/clk/sophgo/Makefile | 7 +
> drivers/clk/sophgo/clk-cv1800.c | 1530 ++++++++++++++++++++++++
> drivers/clk/sophgo/clk-cv1800.h | 123 ++
> drivers/clk/sophgo/clk-cv18xx-common.c | 66 +
> drivers/clk/sophgo/clk-cv18xx-common.h | 81 ++
> drivers/clk/sophgo/clk-cv18xx-ip.c | 905 ++++++++++++++
> drivers/clk/sophgo/clk-cv18xx-ip.h | 265 ++++
> drivers/clk/sophgo/clk-cv18xx-pll.c | 425 +++++++
> drivers/clk/sophgo/clk-cv18xx-pll.h | 119 ++
> 12 files changed, 3535 insertions(+)
> create mode 100644 drivers/clk/sophgo/Kconfig
> create mode 100644 drivers/clk/sophgo/Makefile
> create mode 100644 drivers/clk/sophgo/clk-cv1800.c
> create mode 100644 drivers/clk/sophgo/clk-cv1800.h
> create mode 100644 drivers/clk/sophgo/clk-cv18xx-common.c
> create mode 100644 drivers/clk/sophgo/clk-cv18xx-common.h
> create mode 100644 drivers/clk/sophgo/clk-cv18xx-ip.c
> create mode 100644 drivers/clk/sophgo/clk-cv18xx-ip.h
> create mode 100644 drivers/clk/sophgo/clk-cv18xx-pll.c
> create mode 100644 drivers/clk/sophgo/clk-cv18xx-pll.h
>
> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
> index c30d0d396f7a..514343934fda 100644
> --- a/drivers/clk/Kconfig
> +++ b/drivers/clk/Kconfig
> @@ -499,6 +499,7 @@ source "drivers/clk/rockchip/Kconfig"
> source "drivers/clk/samsung/Kconfig"
> source "drivers/clk/sifive/Kconfig"
> source "drivers/clk/socfpga/Kconfig"
> +source "drivers/clk/sophgo/Kconfig"
> source "drivers/clk/sprd/Kconfig"
> source "drivers/clk/starfive/Kconfig"
> source "drivers/clk/sunxi/Kconfig"
> diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
> index ed71f2e0ee36..eeae7ae93f89 100644
> --- a/drivers/clk/Makefile
> +++ b/drivers/clk/Makefile
> @@ -119,6 +119,7 @@ obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
> obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/
> obj-$(CONFIG_CLK_SIFIVE) += sifive/
> obj-y += socfpga/
> +obj-y += sophgo/
> obj-$(CONFIG_PLAT_SPEAR) += spear/
> obj-y += sprd/
> obj-$(CONFIG_ARCH_STI) += st/
> diff --git a/drivers/clk/sophgo/Kconfig b/drivers/clk/sophgo/Kconfig
> new file mode 100644
> index 000000000000..d67009fa749f
> --- /dev/null
> +++ b/drivers/clk/sophgo/Kconfig
> @@ -0,0 +1,12 @@
> +# SPDX-License-Identifier: GPL-2.0
> +# common clock support for SOPHGO SoC family.
> +
> +config CLK_SOPHGO_CV1800
> + tristate "Support for the Sophgo CV1800 series SoCs clock controller"
> + default m
> + depends on ARCH_SOPHGO || COMPILE_TEST
> + help
> + This driver supports clock controller of Sophgo CV18XX series SoC.
> + The driver require a 25MHz Oscillator to function generate clock.
> + It includes PLLs, common clock function and some vendor clock for
> + IPs of CV18XX series SoC
> diff --git a/drivers/clk/sophgo/Makefile b/drivers/clk/sophgo/Makefile
> new file mode 100644
> index 000000000000..a50320764200
> --- /dev/null
> +++ b/drivers/clk/sophgo/Makefile
> @@ -0,0 +1,7 @@
> +# SPDX-License-Identifier: GPL-2.0
> +obj-$(CONFIG_CLK_SOPHGO_CV1800) += clk-sophgo-cv1800.o
> +
> +clk-sophgo-cv1800-y += clk-cv1800.o
> +clk-sophgo-cv1800-y += clk-cv18xx-common.o
> +clk-sophgo-cv1800-y += clk-cv18xx-ip.o
> +clk-sophgo-cv1800-y += clk-cv18xx-pll.o
> diff --git a/drivers/clk/sophgo/clk-cv1800.c b/drivers/clk/sophgo/clk-cv1800.c
> new file mode 100644
> index 000000000000..2bdfdd0b907c
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv1800.c
> @@ -0,0 +1,1530 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#include <linux/module.h>
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +#include <linux/io.h>
> +#include <linux/spinlock.h>
> +
> +#include "clk-cv1800.h"
> +
> +#include "clk-cv18xx-common.h"
> +#include "clk-cv18xx-ip.h"
> +#include "clk-cv18xx-pll.h"
> +
> +struct cv1800_clk_ctrl;
> +
> +struct cv1800_clk_desc {
> + struct clk_hw_onecell_data *clks_data;
> +
> + int (*pre_init)(struct device *dev, void __iomem *base,
> + struct cv1800_clk_ctrl *ctrl,
> + const struct cv1800_clk_desc *desc);
> +};
> +
> +struct cv1800_clk_ctrl {
> + const struct cv1800_clk_desc *desc;
> + spinlock_t lock;
> +};
> +
> +#define CV1800_DIV_FLAG \
> + (CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ROUND_CLOSEST)
> +static const struct clk_parent_data osc_parents[] = {
> + { .index = 0 },
> +};
> +
> +static const struct cv1800_clk_pll_limit pll_limits[] = {
> + {
> + .pre_div = _CV1800_PLL_LIMIT(1, 127),
> + .div = _CV1800_PLL_LIMIT(6, 127),
> + .post_div = _CV1800_PLL_LIMIT(1, 127),
> + .ictrl = _CV1800_PLL_LIMIT(0, 7),
> + .mode = _CV1800_PLL_LIMIT(0, 3),
> + },
> + {
> + .pre_div = _CV1800_PLL_LIMIT(1, 127),
> + .div = _CV1800_PLL_LIMIT(6, 127),
> + .post_div = _CV1800_PLL_LIMIT(1, 127),
> + .ictrl = _CV1800_PLL_LIMIT(0, 7),
> + .mode = _CV1800_PLL_LIMIT(0, 3),
> + },
> +};
> +
> +static CV1800_INTEGRAL_PLL(clk_fpll, osc_parents,
> + REG_FPLL_CSR,
> + REG_PLL_G6_CTRL, 8,
> + REG_PLL_G6_STATUS, 2,
> + pll_limits,
> + CLK_IS_CRITICAL);
> +
> +static CV1800_INTEGRAL_PLL(clk_mipimpll, osc_parents,
> + REG_MIPIMPLL_CSR,
> + REG_PLL_G2_CTRL, 0,
> + REG_PLL_G2_STATUS, 0,
> + pll_limits,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_mipimpll_parents[] = {
> + { .hw = &clk_mipimpll.common.hw },
> +};
> +static const struct clk_parent_data clk_bypass_mipimpll_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_mipimpll.common.hw },
> +};
> +static const struct clk_parent_data clk_bypass_fpll_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_fpll.common.hw },
> +};
> +
> +struct cv1800_clk_pll_synthesizer clk_mpll_synthesizer = {
> + .en = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 2),
> + .clk_half = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 0),
> + .ctrl = REG_MPLL_SSC_SYN_CTRL,
> + .set = REG_MPLL_SSC_SYN_SET,
> +};
> +static CV1800_FACTIONAL_PLL(clk_mpll, clk_bypass_mipimpll_parents,
> + REG_MPLL_CSR,
> + REG_PLL_G6_CTRL, 0,
> + REG_PLL_G6_STATUS, 0,
> + pll_limits,
> + &clk_mpll_synthesizer,
> + CLK_IS_CRITICAL);
> +
> +struct cv1800_clk_pll_synthesizer clk_tpll_synthesizer = {
> + .en = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 3),
> + .clk_half = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 0),
> + .ctrl = REG_TPLL_SSC_SYN_CTRL,
> + .set = REG_TPLL_SSC_SYN_SET,
> +};
> +static CV1800_FACTIONAL_PLL(clk_tpll, clk_bypass_mipimpll_parents,
> + REG_TPLL_CSR,
> + REG_PLL_G6_CTRL, 4,
> + REG_PLL_G6_STATUS, 1,
> + pll_limits,
> + &clk_tpll_synthesizer,
> + CLK_IS_CRITICAL);
> +
> +struct cv1800_clk_pll_synthesizer clk_a0pll_synthesizer = {
> + .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 2),
> + .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
> + .ctrl = REG_A0PLL_SSC_SYN_CTRL,
> + .set = REG_A0PLL_SSC_SYN_SET,
> +};
> +static CV1800_FACTIONAL_PLL(clk_a0pll, clk_bypass_mipimpll_parents,
> + REG_A0PLL_CSR,
> + REG_PLL_G2_CTRL, 4,
> + REG_PLL_G2_STATUS, 1,
> + pll_limits,
> + &clk_a0pll_synthesizer,
> + CLK_IS_CRITICAL);
> +
> +struct cv1800_clk_pll_synthesizer clk_disppll_synthesizer = {
> + .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 3),
> + .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
> + .ctrl = REG_DISPPLL_SSC_SYN_CTRL,
> + .set = REG_DISPPLL_SSC_SYN_SET,
> +};
> +static CV1800_FACTIONAL_PLL(clk_disppll, clk_bypass_mipimpll_parents,
> + REG_DISPPLL_CSR,
> + REG_PLL_G2_CTRL, 8,
> + REG_PLL_G2_STATUS, 2,
> + pll_limits,
> + &clk_disppll_synthesizer,
> + CLK_IS_CRITICAL);
> +
> +struct cv1800_clk_pll_synthesizer clk_cam0pll_synthesizer = {
> + .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 4),
> + .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
> + .ctrl = REG_CAM0PLL_SSC_SYN_CTRL,
> + .set = REG_CAM0PLL_SSC_SYN_SET,
> +};
> +static CV1800_FACTIONAL_PLL(clk_cam0pll, clk_bypass_mipimpll_parents,
> + REG_CAM0PLL_CSR,
> + REG_PLL_G2_CTRL, 12,
> + REG_PLL_G2_STATUS, 3,
> + pll_limits,
> + &clk_cam0pll_synthesizer,
> + CLK_IGNORE_UNUSED);
> +
> +struct cv1800_clk_pll_synthesizer clk_cam1pll_synthesizer = {
> + .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 5),
> + .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
> + .ctrl = REG_CAM1PLL_SSC_SYN_CTRL,
> + .set = REG_CAM1PLL_SSC_SYN_SET,
> +};
> +static CV1800_FACTIONAL_PLL(clk_cam1pll, clk_bypass_mipimpll_parents,
> + REG_CAM1PLL_CSR,
> + REG_PLL_G2_CTRL, 16,
> + REG_PLL_G2_STATUS, 4,
> + pll_limits,
> + &clk_cam1pll_synthesizer,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_cam0pll_parents[] = {
> + { .hw = &clk_cam0pll.common.hw },
> +};
> +
> +
> +/* G2D */
> +static CV1800_FIXED_DIV(clk_cam0pll_d2, clk_cam0pll_parents,
> + REG_CAM0PLL_CLK_CSR, 1,
> + 2,
> + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
> +static CV1800_FIXED_DIV(clk_cam0pll_d3, clk_cam0pll_parents,
> + REG_CAM0PLL_CLK_CSR, 2,
> + 3,
> + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
> +static CV1800_FIXED_DIV(clk_mipimpll_d3, clk_mipimpll_parents,
> + REG_MIPIMPLL_CLK_CSR, 2,
> + 3,
> + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
> +
> +/* TPU */
> +static const struct clk_parent_data clk_tpu_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_tpll.common.hw },
> + { .hw = &clk_a0pll.common.hw },
> + { .hw = &clk_mipimpll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_tpu, clk_tpu_parents,
> + REG_CLK_EN_0, 4,
> + REG_DIV_CLK_TPU, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_DIV_CLK_TPU, 8, 2,
> + REG_CLK_BYP_0, 3,
> + 0);
> +static CV1800_GATE(clk_tpu_fab, clk_mipimpll_parents,
> + REG_CLK_EN_0, 5,
> + 0);
> +
> +/* FABRIC_AXI6 */
> +static CV1800_BYPASS_DIV(clk_axi6, clk_bypass_fpll_parents,
> + REG_CLK_EN_2, 2,
> + REG_DIV_CLK_AXI6, 16, 4, 15, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 20,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_axi6_bus_parents[] = {
> + { .hw = &clk_axi6.div.common.hw },
> +};
> +static const struct clk_parent_data clk_bypass_axi6_bus_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_axi6.div.common.hw },
> +};
> +
> +/* FABRIC_AXI4 */
> +static const struct clk_parent_data clk_axi4_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_fpll.common.hw },
> + { .hw = &clk_disppll.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_axi4, clk_axi4_parents,
> + REG_CLK_EN_2, 1,
> + REG_DIV_CLK_AXI4, 16, 4, 5, CV1800_DIV_FLAG,
> + REG_DIV_CLK_AXI4, 8, 2,
> + REG_CLK_BYP_0, 19,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_axi4_bus_parents[] = {
> + { .hw = &clk_axi4.mux.common.hw },
> +};
> +
> +/* XTAL_MISC */
> +static CV1800_GATE(clk_xtal_misc, osc_parents,
> + REG_CLK_EN_0, 14,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_timer_parents[] = {
> + { .hw = &clk_xtal_misc.common.hw },
> +};
> +
> +/* TOP */
> +static const struct clk_parent_data clk_cam0_200_parents[] = {
> + { .index = 0 },
> + { .index = 0 },
> + { .hw = &clk_disppll.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_cam0_200, clk_cam0_200_parents,
> + REG_CLK_EN_1, 13,
> + REG_DIV_CLK_CAM0_200, 16, 4, 1, CV1800_DIV_FLAG,
> + REG_DIV_CLK_CAM0_200, 8, 2,
> + REG_CLK_BYP_0, 16,
> + CLK_IS_CRITICAL);
> +static CV1800_DIV(clk_1m, osc_parents,
> + REG_CLK_EN_3, 5,
> + REG_DIV_CLK_1M, 16, 6, 25, CV1800_DIV_FLAG,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_pm, clk_axi6_bus_parents,
> + REG_CLK_EN_3, 8,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer0, clk_timer_parents,
> + REG_CLK_EN_3, 9,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer1, clk_timer_parents,
> + REG_CLK_EN_3, 10,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer2, clk_timer_parents,
> + REG_CLK_EN_3, 11,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer3, clk_timer_parents,
> + REG_CLK_EN_3, 12,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer4, clk_timer_parents,
> + REG_CLK_EN_3, 13,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer5, clk_timer_parents,
> + REG_CLK_EN_3, 14,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer6, clk_timer_parents,
> + REG_CLK_EN_3, 15,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_timer7, clk_timer_parents,
> + REG_CLK_EN_3, 16,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_parents_1m[] = {
> + { .hw = &clk_1m.common.hw },
> +};
> +static const struct clk_parent_data clk_uart_parents[] = {
> + { .hw = &clk_cam0_200.mux.common.hw },
> +};
> +
> +/* AHB ROM */
> +static CV1800_GATE(clk_ahb_rom, clk_axi4_bus_parents,
> + REG_CLK_EN_0, 6,
> + 0);
> +
> +/* RTC */
> +static CV1800_GATE(clk_rtc_25m, osc_parents,
> + REG_CLK_EN_0, 8,
> + CLK_IS_CRITICAL);
> +static CV1800_BYPASS_DIV(clk_src_rtc_sys_0, clk_bypass_fpll_parents,
> + REG_CLK_EN_4, 6,
> + REG_DIV_CLK_RTCSYS_SRC_0, 16, 4, 5, CV1800_DIV_FLAG,
> + REG_CLK_BYP_1, 5,
> + CLK_IS_CRITICAL);
> +
> +/* TEMPSEN */
> +static CV1800_GATE(clk_tempsen, osc_parents,
> + REG_CLK_EN_0, 9,
> + 0);
> +
> +/* SARADC */
> +static CV1800_GATE(clk_saradc, osc_parents,
> + REG_CLK_EN_0, 10,
> + 0);
> +
> +/* EFUSE */
> +static CV1800_GATE(clk_efuse, osc_parents,
> + REG_CLK_EN_0, 11,
> + 0);
> +static CV1800_GATE(clk_apb_efuse, osc_parents,
> + REG_CLK_EN_0, 12,
> + 0);
> +
> +/* WDT */
> +static CV1800_GATE(clk_apb_wdt, osc_parents,
> + REG_CLK_EN_1, 7,
> + CLK_IS_CRITICAL);
> +
> +/* WGN */
> +static CV1800_GATE(clk_wgn, osc_parents,
> + REG_CLK_EN_3, 22,
> + 0);
> +static CV1800_GATE(clk_wgn0, osc_parents,
> + REG_CLK_EN_3, 23,
> + 0);
> +static CV1800_GATE(clk_wgn1, osc_parents,
> + REG_CLK_EN_3, 24,
> + 0);
> +static CV1800_GATE(clk_wgn2, osc_parents,
> + REG_CLK_EN_3, 25,
> + 0);
> +
> +/* KEYSCAN */
> +static CV1800_GATE(clk_keyscan, osc_parents,
> + REG_CLK_EN_3, 26,
> + 0);
> +
> +/* EMMC */
> +static CV1800_GATE(clk_axi4_emmc, clk_axi4_bus_parents,
> + REG_CLK_EN_0, 15,
> + 0);
> +static CV1800_BYPASS_MUX(clk_emmc, clk_axi4_parents,
> + REG_CLK_EN_0, 16,
> + REG_DIV_CLK_EMMC, 16, 5, 15, CV1800_DIV_FLAG,
> + REG_DIV_CLK_EMMC, 8, 2,
> + REG_CLK_BYP_0, 5,
> + 0);
> +static CV1800_DIV(clk_emmc_100k, clk_parents_1m,
> + REG_CLK_EN_0, 17,
> + REG_DIV_CLK_EMMC_100K, 16, 8, 10, CV1800_DIV_FLAG,
> + 0);
> +
> +/* SD */
> +static CV1800_GATE(clk_axi4_sd0, clk_axi4_bus_parents,
> + REG_CLK_EN_0, 18,
> + 0);
> +static CV1800_BYPASS_MUX(clk_sd0, clk_axi4_parents,
> + REG_CLK_EN_0, 19,
> + REG_DIV_CLK_SD0, 16, 5, 15, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SD0, 8, 2,
> + REG_CLK_BYP_0, 6,
> + 0);
> +static CV1800_DIV(clk_sd0_100k, clk_parents_1m,
> + REG_CLK_EN_0, 20,
> + REG_DIV_CLK_SD0_100K, 16, 8, 10, CV1800_DIV_FLAG,
> + 0);
> +static CV1800_GATE(clk_axi4_sd1, clk_axi4_bus_parents,
> + REG_CLK_EN_0, 21,
> + 0);
> +static CV1800_BYPASS_MUX(clk_sd1, clk_axi4_parents,
> + REG_CLK_EN_0, 22,
> + REG_DIV_CLK_SD1, 16, 5, 15, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SD1, 8, 2,
> + REG_CLK_BYP_0, 7,
> + 0);
> +static CV1800_DIV(clk_sd1_100k, clk_parents_1m,
> + REG_CLK_EN_0, 23,
> + REG_DIV_CLK_SD1_100K, 16, 8, 10, CV1800_DIV_FLAG,
> + 0);
> +
> +/* SPI NAND */
> +static CV1800_BYPASS_MUX(clk_spi_nand, clk_axi4_parents,
> + REG_CLK_EN_0, 24,
> + REG_DIV_CLK_SPI_NAND, 16, 5, 8, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SPI_NAND, 8, 2,
> + REG_CLK_BYP_0, 8,
> + 0);
> +
> +/* GPIO */
> +static CV1800_DIV(clk_gpio_db, clk_parents_1m,
> + REG_CLK_EN_0, 31,
> + REG_DIV_CLK_GPIO_DB, 16, 16, 10, CV1800_DIV_FLAG,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_apb_gpio, clk_axi6_bus_parents,
> + REG_CLK_EN_0, 29,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_apb_gpio_intr, clk_axi6_bus_parents,
> + REG_CLK_EN_0, 30,
> + CLK_IS_CRITICAL);
> +
> +/* ETH */
> +static CV1800_BYPASS_DIV(clk_eth0_500m, clk_bypass_fpll_parents,
> + REG_CLK_EN_0, 25,
> + REG_DIV_CLK_GPIO_DB, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 9,
> + 0);
> +static CV1800_GATE(clk_axi4_eth0, clk_axi4_bus_parents,
> + REG_CLK_EN_0, 26,
> + 0);
> +static CV1800_BYPASS_DIV(clk_eth1_500m, clk_bypass_fpll_parents,
> + REG_CLK_EN_0, 27,
> + REG_DIV_CLK_GPIO_DB, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 10,
> + 0);
> +static CV1800_GATE(clk_axi4_eth1, clk_axi4_bus_parents,
> + REG_CLK_EN_0, 28,
> + 0);
> +
> +/* SF */
> +static CV1800_GATE(clk_ahb_sf, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 0,
> + 0);
> +static CV1800_GATE(clk_ahb_sf1, clk_axi4_bus_parents,
> + REG_CLK_EN_3, 27,
> + 0);
> +
> +/* AUDSRC */
> +static CV1800_ACLK(clk_a24m, clk_mipimpll_parents,
> + REG_APLL_FRAC_DIV_CTRL, 0,
> + REG_APLL_FRAC_DIV_CTRL, 3,
> + REG_APLL_FRAC_DIV_CTRL, 1,
> + REG_APLL_FRAC_DIV_CTRL, 2,
> + REG_APLL_FRAC_DIV_M, 0, 22, CV1800_DIV_FLAG,
> + REG_APLL_FRAC_DIV_N, 0, 22, CV1800_DIV_FLAG,
> + 24576000,
> + 0);
> +
> +static const struct clk_parent_data clk_aud_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_a0pll.common.hw },
> + { .hw = &clk_a24m.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_audsrc, clk_aud_parents,
> + REG_CLK_EN_4, 1,
> + REG_DIV_CLK_AUDSRC, 16, 8, 18, CV1800_DIV_FLAG,
> + REG_DIV_CLK_AUDSRC, 8, 2,
> + REG_CLK_BYP_1, 2,
> + 0);
> +static CV1800_GATE(clk_apb_audsrc, clk_axi4_bus_parents,
> + REG_CLK_EN_4, 2,
> + 0);
> +
> +/* SDMA */
> +static CV1800_GATE(clk_sdma_axi, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 1,
> + 0);
> +static CV1800_BYPASS_MUX(clk_sdma_aud0, clk_aud_parents,
> + REG_CLK_EN_1, 2,
> + REG_DIV_CLK_SDMA_AUD0, 16, 8, 18, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SDMA_AUD0, 8, 2,
> + REG_CLK_BYP_0, 11,
> + 0);
> +static CV1800_BYPASS_MUX(clk_sdma_aud1, clk_aud_parents,
> + REG_CLK_EN_1, 3,
> + REG_DIV_CLK_SDMA_AUD1, 16, 8, 18, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SDMA_AUD1, 8, 2,
> + REG_CLK_BYP_0, 12,
> + 0);
> +static CV1800_BYPASS_MUX(clk_sdma_aud2, clk_aud_parents,
> + REG_CLK_EN_1, 3,
> + REG_DIV_CLK_SDMA_AUD2, 16, 8, 18, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SDMA_AUD2, 8, 2,
> + REG_CLK_BYP_0, 13,
> + 0);
> +static CV1800_BYPASS_MUX(clk_sdma_aud3, clk_aud_parents,
> + REG_CLK_EN_1, 3,
> + REG_DIV_CLK_SDMA_AUD3, 16, 8, 18, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SDMA_AUD3, 8, 2,
> + REG_CLK_BYP_0, 14,
> + 0);
> +
> +/* SPI */
> +static CV1800_GATE(clk_apb_spi0, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 9,
> + 0);
> +static CV1800_GATE(clk_apb_spi1, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 10,
> + 0);
> +static CV1800_GATE(clk_apb_spi2, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 11,
> + 0);
> +static CV1800_GATE(clk_apb_spi3, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 12,
> + 0);
> +static CV1800_BYPASS_DIV(clk_spi, clk_bypass_fpll_parents,
> + REG_CLK_EN_3, 6,
> + REG_DIV_CLK_SPI, 16, 6, 8, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 30,
> + 0);
> +
> +/* UART */
> +static CV1800_GATE(clk_uart0, clk_uart_parents,
> + REG_CLK_EN_1, 14,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_apb_uart0, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 15,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_uart1, clk_uart_parents,
> + REG_CLK_EN_1, 16,
> + 0);
> +static CV1800_GATE(clk_apb_uart1, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 17,
> + 0);
> +static CV1800_GATE(clk_uart2, clk_uart_parents,
> + REG_CLK_EN_1, 18,
> + 0);
> +static CV1800_GATE(clk_apb_uart2, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 19,
> + 0);
> +static CV1800_GATE(clk_uart3, clk_uart_parents,
> + REG_CLK_EN_1, 20,
> + 0);
> +static CV1800_GATE(clk_apb_uart3, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 21,
> + 0);
> +static CV1800_GATE(clk_uart4, clk_uart_parents,
> + REG_CLK_EN_1, 22,
> + 0);
> +static CV1800_GATE(clk_apb_uart4, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 23,
> + 0);
> +
> +/* I2S */
> +static CV1800_GATE(clk_apb_i2s0, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 24,
> + 0);
> +static CV1800_GATE(clk_apb_i2s1, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 25,
> + 0);
> +static CV1800_GATE(clk_apb_i2s2, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 26,
> + 0);
> +static CV1800_GATE(clk_apb_i2s3, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 27,
> + 0);
> +
> +/* DEBUG */
> +static CV1800_GATE(clk_debug, osc_parents,
> + REG_CLK_EN_0, 13,
> + CLK_IS_CRITICAL);
> +static CV1800_BYPASS_DIV(clk_ap_debug, clk_bypass_fpll_parents,
> + REG_CLK_EN_4, 5,
> + REG_DIV_CLK_AP_DEBUG, 16, 4, 5, CV1800_DIV_FLAG,
> + REG_CLK_BYP_1, 4,
> + CLK_IS_CRITICAL);
> +
> +/* DDR */
> +static CV1800_GATE(clk_ddr_axi_reg, clk_axi6_bus_parents,
> + REG_CLK_EN_0, 7,
> + CLK_IS_CRITICAL);
> +
> +/* I2C */
> +static CV1800_GATE(clk_apb_i2c, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 6,
> + 0);
> +static CV1800_BYPASS_DIV(clk_i2c, clk_bypass_axi6_bus_parents,
> + REG_CLK_EN_3, 7,
> + REG_DIV_CLK_I2C, 16, 4, 1, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 31,
> + 0);
> +static CV1800_GATE(clk_apb_i2c0, clk_axi4_bus_parents,
> + REG_CLK_EN_3, 17,
> + 0);
> +static CV1800_GATE(clk_apb_i2c1, clk_axi4_bus_parents,
> + REG_CLK_EN_3, 18,
> + 0);
> +static CV1800_GATE(clk_apb_i2c2, clk_axi4_bus_parents,
> + REG_CLK_EN_3, 19,
> + 0);
> +static CV1800_GATE(clk_apb_i2c3, clk_axi4_bus_parents,
> + REG_CLK_EN_3, 20,
> + 0);
> +static CV1800_GATE(clk_apb_i2c4, clk_axi4_bus_parents,
> + REG_CLK_EN_3, 21,
> + 0);
> +
> +/* USB */
> +static CV1800_GATE(clk_axi4_usb, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 28,
> + 0);
> +static CV1800_GATE(clk_apb_usb, clk_axi4_bus_parents,
> + REG_CLK_EN_1, 29,
> + 0);
> +static CV1800_BYPASS_FIXED_DIV(clk_usb_125m, clk_bypass_fpll_parents,
> + REG_CLK_EN_1, 30,
> + 12,
> + REG_CLK_BYP_0, 17,
> + CLK_SET_RATE_PARENT);
> +static CV1800_FIXED_DIV(clk_usb_33k, clk_parents_1m,
> + REG_CLK_EN_1, 31,
> + 3,
> + 0);
> +static CV1800_BYPASS_FIXED_DIV(clk_usb_12m, clk_bypass_fpll_parents,
> + REG_CLK_EN_2, 0,
> + 125,
> + REG_CLK_BYP_0, 18,
> + CLK_SET_RATE_PARENT);
> +
> +/* VIP SYS */
> +static const struct clk_parent_data clk_vip_sys_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_mipimpll.common.hw },
> + { .hw = &clk_cam0pll.common.hw },
> + { .hw = &clk_disppll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +static const struct clk_parent_data clk_disp_vip_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_disppll.common.hw },
> +};
> +
> +static CV1800_BYPASS_DIV(clk_dsi_esc, clk_bypass_axi6_bus_parents,
> + REG_CLK_EN_2, 3,
> + REG_DIV_CLK_DSI_ESC, 16, 4, 5, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 21,
> + 0);
> +static CV1800_BYPASS_MUX(clk_axi_vip, clk_vip_sys_parents,
> + REG_CLK_EN_2, 4,
> + REG_DIV_CLK_AXI_VIP, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_DIV_CLK_AXI_VIP, 8, 2,
> + REG_CLK_BYP_0, 22,
> + 0);
> +
> +static const struct clk_parent_data clk_axi_vip_bus_parents[] = {
> + { .hw = &clk_axi_vip.mux.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_src_vip_sys_0, clk_vip_sys_parents,
> + REG_CLK_EN_2, 5,
> + REG_DIV_CLK_SRC_VIP_SYS_0, 16, 4, 6, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SRC_VIP_SYS_0, 8, 2,
> + REG_CLK_BYP_0, 23,
> + 0);
> +static CV1800_BYPASS_MUX(clk_src_vip_sys_1, clk_vip_sys_parents,
> + REG_CLK_EN_2, 6,
> + REG_DIV_CLK_SRC_VIP_SYS_1, 16, 4, 6, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SRC_VIP_SYS_1, 8, 2,
> + REG_CLK_BYP_0, 24,
> + 0);
> +static CV1800_BYPASS_DIV(clk_disp_src_vip, clk_disp_vip_parents,
> + REG_CLK_EN_2, 7,
> + REG_DIV_CLK_DISP_SRC_VIP, 16, 4, 8, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 25,
> + 0);
> +static CV1800_BYPASS_MUX(clk_src_vip_sys_2, clk_vip_sys_parents,
> + REG_CLK_EN_3, 29,
> + REG_DIV_CLK_SRC_VIP_SYS_2, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SRC_VIP_SYS_2, 8, 2,
> + REG_CLK_BYP_1, 1,
> + 0);
> +static CV1800_GATE(clk_csi_mac0_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 18,
> + 0);
> +static CV1800_GATE(clk_csi_mac1_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 19,
> + 0);
> +static CV1800_GATE(clk_isp_top_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 20,
> + 0);
> +static CV1800_GATE(clk_img_d_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 21,
> + 0);
> +static CV1800_GATE(clk_img_v_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 22,
> + 0);
> +static CV1800_GATE(clk_sc_top_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 23,
> + 0);
> +static CV1800_GATE(clk_sc_d_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 24,
> + 0);
> +static CV1800_GATE(clk_sc_v1_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 25,
> + 0);
> +static CV1800_GATE(clk_sc_v2_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 26,
> + 0);
> +static CV1800_GATE(clk_sc_v3_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 27,
> + 0);
> +static CV1800_GATE(clk_dwa_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 28,
> + 0);
> +static CV1800_GATE(clk_bt_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 29,
> + 0);
> +static CV1800_GATE(clk_disp_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 30,
> + 0);
> +static CV1800_GATE(clk_dsi_mac_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_2, 31,
> + 0);
> +static CV1800_GATE(clk_lvds0_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_3, 0,
> + 0);
> +static CV1800_GATE(clk_lvds1_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_3, 1,
> + 0);
> +static CV1800_GATE(clk_csi0_rx_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_3, 2,
> + 0);
> +static CV1800_GATE(clk_csi1_rx_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_3, 3,
> + 0);
> +static CV1800_GATE(clk_pad_vi_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_3, 4,
> + 0);
> +static CV1800_GATE(clk_pad_vi1_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_3, 30,
> + 0);
> +static CV1800_GATE(clk_cfg_reg_vip, clk_axi6_bus_parents,
> + REG_CLK_EN_3, 31,
> + 0);
> +static CV1800_GATE(clk_pad_vi2_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 7,
> + 0);
> +static CV1800_GATE(clk_csi_be_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 8,
> + 0);
> +static CV1800_GATE(clk_vip_ip0, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 9,
> + 0);
> +static CV1800_GATE(clk_vip_ip1, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 10,
> + 0);
> +static CV1800_GATE(clk_vip_ip2, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 11,
> + 0);
> +static CV1800_GATE(clk_vip_ip3, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 12,
> + 0);
> +static CV1800_BYPASS_MUX(clk_src_vip_sys_3, clk_vip_sys_parents,
> + REG_CLK_EN_4, 15,
> + REG_DIV_CLK_SRC_VIP_SYS_3, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SRC_VIP_SYS_3, 8, 2,
> + REG_CLK_BYP_1, 8,
> + 0);
> +static CV1800_BYPASS_MUX(clk_src_vip_sys_4, clk_vip_sys_parents,
> + REG_CLK_EN_4, 16,
> + REG_DIV_CLK_SRC_VIP_SYS_4, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_DIV_CLK_SRC_VIP_SYS_4, 8, 2,
> + REG_CLK_BYP_1, 9,
> + 0);
> +static CV1800_GATE(clk_ive_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 17,
> + 0);
> +static CV1800_GATE(clk_raw_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 18,
> + 0);
> +static CV1800_GATE(clk_osdc_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 19,
> + 0);
> +static CV1800_GATE(clk_csi_mac2_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 20,
> + 0);
> +static CV1800_GATE(clk_cam0_vip, clk_axi_vip_bus_parents,
> + REG_CLK_EN_4, 21,
> + 0);
> +
> +/* CAM OUT */
> +static const struct clk_parent_data clk_cam_parents[] = {
> + { .hw = &clk_cam0pll.common.hw },
> + { .hw = &clk_cam0pll_d2.common.hw },
> + { .hw = &clk_cam0pll_d3.common.hw },
> + { .hw = &clk_mipimpll_d3.common.hw },
> +};
> +
> +static CV1800_MUX(clk_cam0, clk_cam_parents,
> + REG_CLK_EN_2, 16,
> + REG_CLK_CAM0_SRC_DIV, 16, 6, 0, CV1800_DIV_FLAG,
> + REG_CLK_CAM0_SRC_DIV, 8, 2,
> + CLK_IGNORE_UNUSED);
> +static CV1800_MUX(clk_cam1, clk_cam_parents,
> + REG_CLK_EN_2, 17,
> + REG_CLK_CAM1_SRC_DIV, 16, 6, 0, CV1800_DIV_FLAG,
> + REG_CLK_CAM1_SRC_DIV, 8, 2,
> + CLK_IGNORE_UNUSED);
> +
> +
> +/* VIDEO SUBSYS */
> +static const struct clk_parent_data clk_axi_video_codec_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_a0pll.common.hw },
> + { .hw = &clk_mipimpll.common.hw },
> + { .hw = &clk_cam1pll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +static const struct clk_parent_data clk_vc_src0_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_disppll.common.hw },
> + { .hw = &clk_mipimpll.common.hw },
> + { .hw = &clk_cam1pll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +static const struct clk_parent_data clk_vc_src1_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_cam1pll.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_axi_video_codec, clk_axi_video_codec_parents,
> + REG_CLK_EN_2, 8,
> + REG_DIV_CLK_AXI_VIDEO_CODEC, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_AXI_VIDEO_CODEC, 8, 2,
> + REG_CLK_BYP_0, 26,
> + 0);
> +
> +static const struct clk_parent_data clk_axi_video_codec_bus_parents[] = {
> + { .hw = &clk_axi_video_codec.mux.common.hw },
> +};
> +
> +static CV1800_BYPASS_MUX(clk_vc_src0, clk_vc_src0_parents,
> + REG_CLK_EN_2, 9,
> + REG_DIV_CLK_VC_SRC0, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_VC_SRC0, 8, 2,
> + REG_CLK_BYP_0, 27,
> + 0);
> +
> +static CV1800_GATE(clk_h264c, clk_axi_video_codec_bus_parents,
> + REG_CLK_EN_2, 10,
> + 0);
> +static CV1800_GATE(clk_h265c, clk_axi_video_codec_bus_parents,
> + REG_CLK_EN_2, 11,
> + 0);
> +static CV1800_GATE(clk_jpeg, clk_axi_video_codec_bus_parents,
> + REG_CLK_EN_2, 12,
> + CLK_IGNORE_UNUSED);
> +static CV1800_GATE(clk_apb_jpeg, clk_axi6_bus_parents,
> + REG_CLK_EN_2, 13,
> + CLK_IGNORE_UNUSED);
> +static CV1800_GATE(clk_apb_h264c, clk_axi6_bus_parents,
> + REG_CLK_EN_2, 14,
> + 0);
> +static CV1800_GATE(clk_apb_h265c, clk_axi6_bus_parents,
> + REG_CLK_EN_2, 15,
> + 0);
> +static CV1800_BYPASS_FIXED_DIV(clk_vc_src1, clk_vc_src1_parents,
> + REG_CLK_EN_3, 28,
> + 2,
> + REG_CLK_BYP_1, 0,
> + CLK_SET_RATE_PARENT);
> +static CV1800_BYPASS_FIXED_DIV(clk_vc_src2, clk_bypass_fpll_parents,
> + REG_CLK_EN_4, 3,
> + 3,
> + REG_CLK_BYP_1, 3,
> + CLK_SET_RATE_PARENT);
> +
> +/* VC SYS */
> +static CV1800_GATE(clk_cfg_reg_vc, clk_axi6_bus_parents,
> + REG_CLK_EN_4, 0,
> + CLK_IGNORE_UNUSED);
> +
> +/* PWM */
> +static CV1800_BYPASS_MUX(clk_pwm_src, clk_axi4_parents,
> + REG_CLK_EN_4, 4,
> + REG_DIV_CLK_PWM_SRC_0, 16, 6, 10, CV1800_DIV_FLAG,
> + REG_DIV_CLK_PWM_SRC_0, 8, 2,
> + REG_CLK_BYP_0, 15,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_pwm_parents[] = {
> + { .hw = &clk_pwm_src.mux.common.hw },
> +};
> +
> +static CV1800_GATE(clk_pwm, clk_pwm_parents,
> + REG_CLK_EN_1, 8,
> + CLK_IS_CRITICAL);
> +
> +/* C906 */
> +static const struct clk_parent_data clk_c906_0_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_tpll.common.hw },
> + { .hw = &clk_a0pll.common.hw },
> + { .hw = &clk_mipimpll.common.hw },
> + { .hw = &clk_mpll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +static const struct clk_parent_data clk_c906_1_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_tpll.common.hw },
> + { .hw = &clk_a0pll.common.hw },
> + { .hw = &clk_disppll.common.hw },
> + { .hw = &clk_mpll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +
> +static const s8 clk_c906_parent2sel[] = {
> + -1, /* osc */
> + 0, /* mux 0: clk_tpll(c906_0), clk_tpll(c906_1) */
> + 0, /* mux 0: clk_a0pll(c906_0), clk_a0pll(c906_1) */
> + 0, /* mux 0: clk_mipimpll(c906_0), clk_disppll(c906_1) */
> + 0, /* mux 0: clk_mpll(c906_0), clk_mpll(c906_1) */
> + 1 /* mux 1: clk_fpll(c906_0), clk_fpll(c906_1) */
> +};
> +
> +static const u8 clk_c906_sel2parent[2][4] = {
> + [0] = {
> + 1,
> + 2,
> + 3,
> + 4
> + },
> + [1] = {
> + 5,
> + 5,
> + 5,
> + 5
> + },
> +};
> +
> +static CV1800_MMUX(clk_c906_0, clk_c906_0_parents,
> + REG_CLK_EN_4, 13,
> + REG_DIV_CLK_C906_0_0, 16, 4, 1, CV1800_DIV_FLAG,
> + REG_DIV_CLK_C906_0_1, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_C906_0_0, 8, 2,
> + REG_DIV_CLK_C906_0_1, 8, 2,
> + REG_CLK_BYP_1, 6,
> + REG_CLK_SEL_0, 23,
> + clk_c906_parent2sel,
> + clk_c906_sel2parent[0], clk_c906_sel2parent[1],
> + CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE);
> +static CV1800_MMUX(clk_c906_1, clk_c906_1_parents,
> + REG_CLK_EN_4, 14,
> + REG_DIV_CLK_C906_1_0, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_C906_1_1, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_DIV_CLK_C906_1_0, 8, 2,
> + REG_DIV_CLK_C906_1_1, 8, 2,
> + REG_CLK_BYP_1, 7,
> + REG_CLK_SEL_0, 24,
> + clk_c906_parent2sel,
> + clk_c906_sel2parent[0], clk_c906_sel2parent[1],
> + CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE);
> +
> +/* A53 */
> +static CV1800_BYPASS_DIV(clk_cpu_axi0, clk_axi4_parents,
> + REG_CLK_EN_0, 1,
> + REG_DIV_CLK_CPU_AXI0, 16, 4, 3, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 1,
> + CLK_IS_CRITICAL);
> +static CV1800_BYPASS_DIV(clk_cpu_gic, clk_bypass_fpll_parents,
> + REG_CLK_EN_0, 2,
> + REG_DIV_CLK_CPU_GIC, 16, 4, 5, CV1800_DIV_FLAG,
> + REG_CLK_BYP_0, 2,
> + CLK_IS_CRITICAL);
> +static CV1800_GATE(clk_xtal_ap, osc_parents,
> + REG_CLK_EN_0, 3,
> + CLK_IS_CRITICAL);
> +
> +static const struct clk_parent_data clk_a53_parents[] = {
> + { .index = 0 },
> + { .hw = &clk_tpll.common.hw },
> + { .hw = &clk_a0pll.common.hw },
> + { .hw = &clk_mipimpll.common.hw },
> + { .hw = &clk_mpll.common.hw },
> + { .hw = &clk_fpll.common.hw },
> +};
> +
> +static const s8 clk_a53_parent2sel[] = {
> + -1, /* osc */
> + 0, /* mux 0: clk_tpll */
> + 0, /* mux 0: clk_a0pll */
> + 0, /* mux 0: clk_mipimpll */
> + 0, /* mux 0: clk_mpll */
> + 1 /* mux 1: clk_fpll */
> +};
> +
> +static const u8 clk_a53_sel2parent[2][4] = {
> + [0] = {
> + 1,
> + 2,
> + 3,
> + 4
> + },
> + [1] = {
> + 5,
> + 5,
> + 5,
> + 5
> + },
> +};
> +
> +/*
> + * Clock for A53 cpu in the CV18XX/SG200X series.
> + * For CV180X and CV181X series, this clock is not used, but can not
> + * be set to bypass mode, or the SoC will hang.
> + */
> +static CV1800_MMUX(clk_a53, clk_a53_parents,
> + REG_CLK_EN_0, 0,
> + REG_DIV_CLK_A53_0, 16, 4, 1, CV1800_DIV_FLAG,
> + REG_DIV_CLK_A53_1, 16, 4, 2, CV1800_DIV_FLAG,
> + REG_DIV_CLK_A53_0, 8, 2,
> + REG_DIV_CLK_A53_1, 8, 2,
> + REG_CLK_BYP_0, 0,
> + REG_CLK_SEL_0, 0,
> + clk_a53_parent2sel,
> + clk_a53_sel2parent[0], clk_a53_sel2parent[1],
> + CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE);
> +
> +
> +static struct clk_hw_onecell_data cv1800_hw_clks = {
> + .num = CV1800_CLK_MAX,
> + .hws = {
> + [CLK_MPLL] = &clk_mpll.common.hw,
> + [CLK_TPLL] = &clk_tpll.common.hw,
> + [CLK_FPLL] = &clk_fpll.common.hw,
> + [CLK_MIPIMPLL] = &clk_mipimpll.common.hw,
> + [CLK_A0PLL] = &clk_a0pll.common.hw,
> + [CLK_DISPPLL] = &clk_disppll.common.hw,
> + [CLK_CAM0PLL] = &clk_cam0pll.common.hw,
> + [CLK_CAM1PLL] = &clk_cam1pll.common.hw,
> +
> + [CLK_MIPIMPLL_D3] = &clk_mipimpll_d3.common.hw,
> + [CLK_CAM0PLL_D2] = &clk_cam0pll_d2.common.hw,
> + [CLK_CAM0PLL_D3] = &clk_cam0pll_d3.common.hw,
> +
> + [CLK_TPU] = &clk_tpu.mux.common.hw,
> + [CLK_TPU_FAB] = &clk_tpu_fab.common.hw,
> + [CLK_AHB_ROM] = &clk_ahb_rom.common.hw,
> + [CLK_DDR_AXI_REG] = &clk_ddr_axi_reg.common.hw,
> + [CLK_RTC_25M] = &clk_rtc_25m.common.hw,
> + [CLK_SRC_RTC_SYS_0] = &clk_src_rtc_sys_0.div.common.hw,
> + [CLK_TEMPSEN] = &clk_tempsen.common.hw,
> + [CLK_SARADC] = &clk_saradc.common.hw,
> + [CLK_EFUSE] = &clk_efuse.common.hw,
> + [CLK_APB_EFUSE] = &clk_apb_efuse.common.hw,
> + [CLK_DEBUG] = &clk_debug.common.hw,
> + [CLK_AP_DEBUG] = &clk_ap_debug.div.common.hw,
> + [CLK_XTAL_MISC] = &clk_xtal_misc.common.hw,
> + [CLK_AXI4_EMMC] = &clk_axi4_emmc.common.hw,
> + [CLK_EMMC] = &clk_emmc.mux.common.hw,
> + [CLK_EMMC_100K] = &clk_emmc_100k.common.hw,
> + [CLK_AXI4_SD0] = &clk_axi4_sd0.common.hw,
> + [CLK_SD0] = &clk_sd0.mux.common.hw,
> + [CLK_SD0_100K] = &clk_sd0_100k.common.hw,
> + [CLK_AXI4_SD1] = &clk_axi4_sd1.common.hw,
> + [CLK_SD1] = &clk_sd1.mux.common.hw,
> + [CLK_SD1_100K] = &clk_sd1_100k.common.hw,
> + [CLK_SPI_NAND] = &clk_spi_nand.mux.common.hw,
> + [CLK_ETH0_500M] = &clk_eth0_500m.div.common.hw,
> + [CLK_AXI4_ETH0] = &clk_axi4_eth0.common.hw,
> + [CLK_ETH1_500M] = &clk_eth1_500m.div.common.hw,
> + [CLK_AXI4_ETH1] = &clk_axi4_eth1.common.hw,
> + [CLK_APB_GPIO] = &clk_apb_gpio.common.hw,
> + [CLK_APB_GPIO_INTR] = &clk_apb_gpio_intr.common.hw,
> + [CLK_GPIO_DB] = &clk_gpio_db.common.hw,
> + [CLK_AHB_SF] = &clk_ahb_sf.common.hw,
> + [CLK_AHB_SF1] = &clk_ahb_sf1.common.hw,
> + [CLK_A24M] = &clk_a24m.common.hw,
> + [CLK_AUDSRC] = &clk_audsrc.mux.common.hw,
> + [CLK_APB_AUDSRC] = &clk_apb_audsrc.common.hw,
> + [CLK_SDMA_AXI] = &clk_sdma_axi.common.hw,
> + [CLK_SDMA_AUD0] = &clk_sdma_aud0.mux.common.hw,
> + [CLK_SDMA_AUD1] = &clk_sdma_aud1.mux.common.hw,
> + [CLK_SDMA_AUD2] = &clk_sdma_aud2.mux.common.hw,
> + [CLK_SDMA_AUD3] = &clk_sdma_aud3.mux.common.hw,
> + [CLK_I2C] = &clk_i2c.div.common.hw,
> + [CLK_APB_I2C] = &clk_apb_i2c.common.hw,
> + [CLK_APB_I2C0] = &clk_apb_i2c0.common.hw,
> + [CLK_APB_I2C1] = &clk_apb_i2c1.common.hw,
> + [CLK_APB_I2C2] = &clk_apb_i2c2.common.hw,
> + [CLK_APB_I2C3] = &clk_apb_i2c3.common.hw,
> + [CLK_APB_I2C4] = &clk_apb_i2c4.common.hw,
> + [CLK_APB_WDT] = &clk_apb_wdt.common.hw,
> + [CLK_PWM_SRC] = &clk_pwm_src.mux.common.hw,
> + [CLK_PWM] = &clk_pwm.common.hw,
> + [CLK_SPI] = &clk_spi.div.common.hw,
> + [CLK_APB_SPI0] = &clk_apb_spi0.common.hw,
> + [CLK_APB_SPI1] = &clk_apb_spi1.common.hw,
> + [CLK_APB_SPI2] = &clk_apb_spi2.common.hw,
> + [CLK_APB_SPI3] = &clk_apb_spi3.common.hw,
> + [CLK_1M] = &clk_1m.common.hw,
> + [CLK_CAM0_200] = &clk_cam0_200.mux.common.hw,
> + [CLK_PM] = &clk_pm.common.hw,
> + [CLK_TIMER0] = &clk_timer0.common.hw,
> + [CLK_TIMER1] = &clk_timer1.common.hw,
> + [CLK_TIMER2] = &clk_timer2.common.hw,
> + [CLK_TIMER3] = &clk_timer3.common.hw,
> + [CLK_TIMER4] = &clk_timer4.common.hw,
> + [CLK_TIMER5] = &clk_timer5.common.hw,
> + [CLK_TIMER6] = &clk_timer6.common.hw,
> + [CLK_TIMER7] = &clk_timer7.common.hw,
> + [CLK_UART0] = &clk_uart0.common.hw,
> + [CLK_APB_UART0] = &clk_apb_uart0.common.hw,
> + [CLK_UART1] = &clk_uart1.common.hw,
> + [CLK_APB_UART1] = &clk_apb_uart1.common.hw,
> + [CLK_UART2] = &clk_uart2.common.hw,
> + [CLK_APB_UART2] = &clk_apb_uart2.common.hw,
> + [CLK_UART3] = &clk_uart3.common.hw,
> + [CLK_APB_UART3] = &clk_apb_uart3.common.hw,
> + [CLK_UART4] = &clk_uart4.common.hw,
> + [CLK_APB_UART4] = &clk_apb_uart4.common.hw,
> + [CLK_APB_I2S0] = &clk_apb_i2s0.common.hw,
> + [CLK_APB_I2S1] = &clk_apb_i2s1.common.hw,
> + [CLK_APB_I2S2] = &clk_apb_i2s2.common.hw,
> + [CLK_APB_I2S3] = &clk_apb_i2s3.common.hw,
> + [CLK_AXI4_USB] = &clk_axi4_usb.common.hw,
> + [CLK_APB_USB] = &clk_apb_usb.common.hw,
> + [CLK_USB_125M] = &clk_usb_125m.div.common.hw,
> + [CLK_USB_33K] = &clk_usb_33k.common.hw,
> + [CLK_USB_12M] = &clk_usb_12m.div.common.hw,
> + [CLK_AXI4] = &clk_axi4.mux.common.hw,
> + [CLK_AXI6] = &clk_axi6.div.common.hw,
> + [CLK_DSI_ESC] = &clk_dsi_esc.div.common.hw,
> + [CLK_AXI_VIP] = &clk_axi_vip.mux.common.hw,
> + [CLK_SRC_VIP_SYS_0] = &clk_src_vip_sys_0.mux.common.hw,
> + [CLK_SRC_VIP_SYS_1] = &clk_src_vip_sys_1.mux.common.hw,
> + [CLK_SRC_VIP_SYS_2] = &clk_src_vip_sys_2.mux.common.hw,
> + [CLK_SRC_VIP_SYS_3] = &clk_src_vip_sys_3.mux.common.hw,
> + [CLK_SRC_VIP_SYS_4] = &clk_src_vip_sys_4.mux.common.hw,
> + [CLK_CSI_BE_VIP] = &clk_csi_be_vip.common.hw,
> + [CLK_CSI_MAC0_VIP] = &clk_csi_mac0_vip.common.hw,
> + [CLK_CSI_MAC1_VIP] = &clk_csi_mac1_vip.common.hw,
> + [CLK_CSI_MAC2_VIP] = &clk_csi_mac2_vip.common.hw,
> + [CLK_CSI0_RX_VIP] = &clk_csi0_rx_vip.common.hw,
> + [CLK_CSI1_RX_VIP] = &clk_csi1_rx_vip.common.hw,
> + [CLK_ISP_TOP_VIP] = &clk_isp_top_vip.common.hw,
> + [CLK_IMG_D_VIP] = &clk_img_d_vip.common.hw,
> + [CLK_IMG_V_VIP] = &clk_img_v_vip.common.hw,
> + [CLK_SC_TOP_VIP] = &clk_sc_top_vip.common.hw,
> + [CLK_SC_D_VIP] = &clk_sc_d_vip.common.hw,
> + [CLK_SC_V1_VIP] = &clk_sc_v1_vip.common.hw,
> + [CLK_SC_V2_VIP] = &clk_sc_v2_vip.common.hw,
> + [CLK_SC_V3_VIP] = &clk_sc_v3_vip.common.hw,
> + [CLK_DWA_VIP] = &clk_dwa_vip.common.hw,
> + [CLK_BT_VIP] = &clk_bt_vip.common.hw,
> + [CLK_DISP_VIP] = &clk_disp_vip.common.hw,
> + [CLK_DSI_MAC_VIP] = &clk_dsi_mac_vip.common.hw,
> + [CLK_LVDS0_VIP] = &clk_lvds0_vip.common.hw,
> + [CLK_LVDS1_VIP] = &clk_lvds1_vip.common.hw,
> + [CLK_PAD_VI_VIP] = &clk_pad_vi_vip.common.hw,
> + [CLK_PAD_VI1_VIP] = &clk_pad_vi1_vip.common.hw,
> + [CLK_PAD_VI2_VIP] = &clk_pad_vi2_vip.common.hw,
> + [CLK_CFG_REG_VIP] = &clk_cfg_reg_vip.common.hw,
> + [CLK_VIP_IP0] = &clk_vip_ip0.common.hw,
> + [CLK_VIP_IP1] = &clk_vip_ip1.common.hw,
> + [CLK_VIP_IP2] = &clk_vip_ip2.common.hw,
> + [CLK_VIP_IP3] = &clk_vip_ip3.common.hw,
> + [CLK_IVE_VIP] = &clk_ive_vip.common.hw,
> + [CLK_RAW_VIP] = &clk_raw_vip.common.hw,
> + [CLK_OSDC_VIP] = &clk_osdc_vip.common.hw,
> + [CLK_CAM0_VIP] = &clk_cam0_vip.common.hw,
> + [CLK_AXI_VIDEO_CODEC] = &clk_axi_video_codec.mux.common.hw,
> + [CLK_VC_SRC0] = &clk_vc_src0.mux.common.hw,
> + [CLK_VC_SRC1] = &clk_vc_src1.div.common.hw,
> + [CLK_VC_SRC2] = &clk_vc_src2.div.common.hw,
> + [CLK_H264C] = &clk_h264c.common.hw,
> + [CLK_APB_H264C] = &clk_apb_h264c.common.hw,
> + [CLK_H265C] = &clk_h265c.common.hw,
> + [CLK_APB_H265C] = &clk_apb_h265c.common.hw,
> + [CLK_JPEG] = &clk_jpeg.common.hw,
> + [CLK_APB_JPEG] = &clk_apb_jpeg.common.hw,
> + [CLK_CAM0] = &clk_cam0.common.hw,
> + [CLK_CAM1] = &clk_cam1.common.hw,
> + [CLK_WGN] = &clk_wgn.common.hw,
> + [CLK_WGN0] = &clk_wgn0.common.hw,
> + [CLK_WGN1] = &clk_wgn1.common.hw,
> + [CLK_WGN2] = &clk_wgn2.common.hw,
> + [CLK_KEYSCAN] = &clk_keyscan.common.hw,
> + [CLK_CFG_REG_VC] = &clk_cfg_reg_vc.common.hw,
> + [CLK_C906_0] = &clk_c906_0.common.hw,
> + [CLK_C906_1] = &clk_c906_1.common.hw,
> + [CLK_A53] = &clk_a53.common.hw,
> + [CLK_CPU_AXI0] = &clk_cpu_axi0.div.common.hw,
> + [CLK_CPU_GIC] = &clk_cpu_gic.div.common.hw,
> + [CLK_XTAL_AP] = &clk_xtal_ap.common.hw,
> + },
> +};
> +
> +static void cv18xx_clk_disable_auto_pd(void __iomem *base)
> +{
> + static const u16 CV1800_PD_CLK[] = {
> + REG_MIPIMPLL_CLK_CSR,
> + REG_A0PLL_CLK_CSR,
> + REG_DISPPLL_CLK_CSR,
> + REG_CAM0PLL_CLK_CSR,
> + REG_CAM1PLL_CLK_CSR,
> + };
> +
> + u32 val;
> + int i;
> +
> + /* disable auto power down */
> + for (i = 0; i < ARRAY_SIZE(CV1800_PD_CLK); i++) {
> + u32 reg = CV1800_PD_CLK[i];
> +
> + val = readl(base + reg);
> + val |= GENMASK(12, 9);
> + val &= ~BIT(8);
> + writel(val, base + reg);
> + }
> +}
> +
> +static void cv18xx_clk_disable_a53(void __iomem *base)
> +{
> + u32 val = readl(base + REG_CLK_BYP_0);
> +
> + /* Set bypass clock for clk_a53 */
> + val |= BIT(0);
> +
> + /* Set bypass clock for clk_cpu_axi0 */
> + val |= BIT(1);
> +
> + /* Set bypass clock for clk_cpu_gic */
> + val |= BIT(2);
> +
> + writel(val, base + REG_CLK_BYP_0);
> +}
> +
> +static int cv1800_pre_init(struct device *dev, void __iomem *base,
> + struct cv1800_clk_ctrl *ctrl,
> + const struct cv1800_clk_desc *desc)
> +{
> + u32 val = readl(base + REG_CLK_EN_2);
> +
> + /* disable unsupported clk_disp_src_vip */
> + val &= ~BIT(7);
> +
> + writel(val, base + REG_CLK_EN_2);
> +
> + cv18xx_clk_disable_a53(base);
> + cv18xx_clk_disable_auto_pd(base);
> +
> + return 0;
> +}
> +
> +static const struct cv1800_clk_desc cv1800_desc = {
> + .clks_data = &cv1800_hw_clks,
> + .pre_init = cv1800_pre_init,
> +};
> +
> +static struct clk_hw_onecell_data cv1810_hw_clks = {
> + .num = CV1810_CLK_MAX,
> + .hws = {
> + [CLK_MPLL] = &clk_mpll.common.hw,
> + [CLK_TPLL] = &clk_tpll.common.hw,
> + [CLK_FPLL] = &clk_fpll.common.hw,
> + [CLK_MIPIMPLL] = &clk_mipimpll.common.hw,
> + [CLK_A0PLL] = &clk_a0pll.common.hw,
> + [CLK_DISPPLL] = &clk_disppll.common.hw,
> + [CLK_CAM0PLL] = &clk_cam0pll.common.hw,
> + [CLK_CAM1PLL] = &clk_cam1pll.common.hw,
> +
> + [CLK_MIPIMPLL_D3] = &clk_mipimpll_d3.common.hw,
> + [CLK_CAM0PLL_D2] = &clk_cam0pll_d2.common.hw,
> + [CLK_CAM0PLL_D3] = &clk_cam0pll_d3.common.hw,
> +
> + [CLK_TPU] = &clk_tpu.mux.common.hw,
> + [CLK_TPU_FAB] = &clk_tpu_fab.common.hw,
> + [CLK_AHB_ROM] = &clk_ahb_rom.common.hw,
> + [CLK_DDR_AXI_REG] = &clk_ddr_axi_reg.common.hw,
> + [CLK_RTC_25M] = &clk_rtc_25m.common.hw,
> + [CLK_SRC_RTC_SYS_0] = &clk_src_rtc_sys_0.div.common.hw,
> + [CLK_TEMPSEN] = &clk_tempsen.common.hw,
> + [CLK_SARADC] = &clk_saradc.common.hw,
> + [CLK_EFUSE] = &clk_efuse.common.hw,
> + [CLK_APB_EFUSE] = &clk_apb_efuse.common.hw,
> + [CLK_DEBUG] = &clk_debug.common.hw,
> + [CLK_AP_DEBUG] = &clk_ap_debug.div.common.hw,
> + [CLK_XTAL_MISC] = &clk_xtal_misc.common.hw,
> + [CLK_AXI4_EMMC] = &clk_axi4_emmc.common.hw,
> + [CLK_EMMC] = &clk_emmc.mux.common.hw,
> + [CLK_EMMC_100K] = &clk_emmc_100k.common.hw,
> + [CLK_AXI4_SD0] = &clk_axi4_sd0.common.hw,
> + [CLK_SD0] = &clk_sd0.mux.common.hw,
> + [CLK_SD0_100K] = &clk_sd0_100k.common.hw,
> + [CLK_AXI4_SD1] = &clk_axi4_sd1.common.hw,
> + [CLK_SD1] = &clk_sd1.mux.common.hw,
> + [CLK_SD1_100K] = &clk_sd1_100k.common.hw,
> + [CLK_SPI_NAND] = &clk_spi_nand.mux.common.hw,
> + [CLK_ETH0_500M] = &clk_eth0_500m.div.common.hw,
> + [CLK_AXI4_ETH0] = &clk_axi4_eth0.common.hw,
> + [CLK_ETH1_500M] = &clk_eth1_500m.div.common.hw,
> + [CLK_AXI4_ETH1] = &clk_axi4_eth1.common.hw,
> + [CLK_APB_GPIO] = &clk_apb_gpio.common.hw,
> + [CLK_APB_GPIO_INTR] = &clk_apb_gpio_intr.common.hw,
> + [CLK_GPIO_DB] = &clk_gpio_db.common.hw,
> + [CLK_AHB_SF] = &clk_ahb_sf.common.hw,
> + [CLK_AHB_SF1] = &clk_ahb_sf1.common.hw,
> + [CLK_A24M] = &clk_a24m.common.hw,
> + [CLK_AUDSRC] = &clk_audsrc.mux.common.hw,
> + [CLK_APB_AUDSRC] = &clk_apb_audsrc.common.hw,
> + [CLK_SDMA_AXI] = &clk_sdma_axi.common.hw,
> + [CLK_SDMA_AUD0] = &clk_sdma_aud0.mux.common.hw,
> + [CLK_SDMA_AUD1] = &clk_sdma_aud1.mux.common.hw,
> + [CLK_SDMA_AUD2] = &clk_sdma_aud2.mux.common.hw,
> + [CLK_SDMA_AUD3] = &clk_sdma_aud3.mux.common.hw,
> + [CLK_I2C] = &clk_i2c.div.common.hw,
> + [CLK_APB_I2C] = &clk_apb_i2c.common.hw,
> + [CLK_APB_I2C0] = &clk_apb_i2c0.common.hw,
> + [CLK_APB_I2C1] = &clk_apb_i2c1.common.hw,
> + [CLK_APB_I2C2] = &clk_apb_i2c2.common.hw,
> + [CLK_APB_I2C3] = &clk_apb_i2c3.common.hw,
> + [CLK_APB_I2C4] = &clk_apb_i2c4.common.hw,
> + [CLK_APB_WDT] = &clk_apb_wdt.common.hw,
> + [CLK_PWM_SRC] = &clk_pwm_src.mux.common.hw,
> + [CLK_PWM] = &clk_pwm.common.hw,
> + [CLK_SPI] = &clk_spi.div.common.hw,
> + [CLK_APB_SPI0] = &clk_apb_spi0.common.hw,
> + [CLK_APB_SPI1] = &clk_apb_spi1.common.hw,
> + [CLK_APB_SPI2] = &clk_apb_spi2.common.hw,
> + [CLK_APB_SPI3] = &clk_apb_spi3.common.hw,
> + [CLK_1M] = &clk_1m.common.hw,
> + [CLK_CAM0_200] = &clk_cam0_200.mux.common.hw,
> + [CLK_PM] = &clk_pm.common.hw,
> + [CLK_TIMER0] = &clk_timer0.common.hw,
> + [CLK_TIMER1] = &clk_timer1.common.hw,
> + [CLK_TIMER2] = &clk_timer2.common.hw,
> + [CLK_TIMER3] = &clk_timer3.common.hw,
> + [CLK_TIMER4] = &clk_timer4.common.hw,
> + [CLK_TIMER5] = &clk_timer5.common.hw,
> + [CLK_TIMER6] = &clk_timer6.common.hw,
> + [CLK_TIMER7] = &clk_timer7.common.hw,
> + [CLK_UART0] = &clk_uart0.common.hw,
> + [CLK_APB_UART0] = &clk_apb_uart0.common.hw,
> + [CLK_UART1] = &clk_uart1.common.hw,
> + [CLK_APB_UART1] = &clk_apb_uart1.common.hw,
> + [CLK_UART2] = &clk_uart2.common.hw,
> + [CLK_APB_UART2] = &clk_apb_uart2.common.hw,
> + [CLK_UART3] = &clk_uart3.common.hw,
> + [CLK_APB_UART3] = &clk_apb_uart3.common.hw,
> + [CLK_UART4] = &clk_uart4.common.hw,
> + [CLK_APB_UART4] = &clk_apb_uart4.common.hw,
> + [CLK_APB_I2S0] = &clk_apb_i2s0.common.hw,
> + [CLK_APB_I2S1] = &clk_apb_i2s1.common.hw,
> + [CLK_APB_I2S2] = &clk_apb_i2s2.common.hw,
> + [CLK_APB_I2S3] = &clk_apb_i2s3.common.hw,
> + [CLK_AXI4_USB] = &clk_axi4_usb.common.hw,
> + [CLK_APB_USB] = &clk_apb_usb.common.hw,
> + [CLK_USB_125M] = &clk_usb_125m.div.common.hw,
> + [CLK_USB_33K] = &clk_usb_33k.common.hw,
> + [CLK_USB_12M] = &clk_usb_12m.div.common.hw,
> + [CLK_AXI4] = &clk_axi4.mux.common.hw,
> + [CLK_AXI6] = &clk_axi6.div.common.hw,
> + [CLK_DSI_ESC] = &clk_dsi_esc.div.common.hw,
> + [CLK_AXI_VIP] = &clk_axi_vip.mux.common.hw,
> + [CLK_SRC_VIP_SYS_0] = &clk_src_vip_sys_0.mux.common.hw,
> + [CLK_SRC_VIP_SYS_1] = &clk_src_vip_sys_1.mux.common.hw,
> + [CLK_SRC_VIP_SYS_2] = &clk_src_vip_sys_2.mux.common.hw,
> + [CLK_SRC_VIP_SYS_3] = &clk_src_vip_sys_3.mux.common.hw,
> + [CLK_SRC_VIP_SYS_4] = &clk_src_vip_sys_4.mux.common.hw,
> + [CLK_CSI_BE_VIP] = &clk_csi_be_vip.common.hw,
> + [CLK_CSI_MAC0_VIP] = &clk_csi_mac0_vip.common.hw,
> + [CLK_CSI_MAC1_VIP] = &clk_csi_mac1_vip.common.hw,
> + [CLK_CSI_MAC2_VIP] = &clk_csi_mac2_vip.common.hw,
> + [CLK_CSI0_RX_VIP] = &clk_csi0_rx_vip.common.hw,
> + [CLK_CSI1_RX_VIP] = &clk_csi1_rx_vip.common.hw,
> + [CLK_ISP_TOP_VIP] = &clk_isp_top_vip.common.hw,
> + [CLK_IMG_D_VIP] = &clk_img_d_vip.common.hw,
> + [CLK_IMG_V_VIP] = &clk_img_v_vip.common.hw,
> + [CLK_SC_TOP_VIP] = &clk_sc_top_vip.common.hw,
> + [CLK_SC_D_VIP] = &clk_sc_d_vip.common.hw,
> + [CLK_SC_V1_VIP] = &clk_sc_v1_vip.common.hw,
> + [CLK_SC_V2_VIP] = &clk_sc_v2_vip.common.hw,
> + [CLK_SC_V3_VIP] = &clk_sc_v3_vip.common.hw,
> + [CLK_DWA_VIP] = &clk_dwa_vip.common.hw,
> + [CLK_BT_VIP] = &clk_bt_vip.common.hw,
> + [CLK_DISP_VIP] = &clk_disp_vip.common.hw,
> + [CLK_DSI_MAC_VIP] = &clk_dsi_mac_vip.common.hw,
> + [CLK_LVDS0_VIP] = &clk_lvds0_vip.common.hw,
> + [CLK_LVDS1_VIP] = &clk_lvds1_vip.common.hw,
> + [CLK_PAD_VI_VIP] = &clk_pad_vi_vip.common.hw,
> + [CLK_PAD_VI1_VIP] = &clk_pad_vi1_vip.common.hw,
> + [CLK_PAD_VI2_VIP] = &clk_pad_vi2_vip.common.hw,
> + [CLK_CFG_REG_VIP] = &clk_cfg_reg_vip.common.hw,
> + [CLK_VIP_IP0] = &clk_vip_ip0.common.hw,
> + [CLK_VIP_IP1] = &clk_vip_ip1.common.hw,
> + [CLK_VIP_IP2] = &clk_vip_ip2.common.hw,
> + [CLK_VIP_IP3] = &clk_vip_ip3.common.hw,
> + [CLK_IVE_VIP] = &clk_ive_vip.common.hw,
> + [CLK_RAW_VIP] = &clk_raw_vip.common.hw,
> + [CLK_OSDC_VIP] = &clk_osdc_vip.common.hw,
> + [CLK_CAM0_VIP] = &clk_cam0_vip.common.hw,
> + [CLK_AXI_VIDEO_CODEC] = &clk_axi_video_codec.mux.common.hw,
> + [CLK_VC_SRC0] = &clk_vc_src0.mux.common.hw,
> + [CLK_VC_SRC1] = &clk_vc_src1.div.common.hw,
> + [CLK_VC_SRC2] = &clk_vc_src2.div.common.hw,
> + [CLK_H264C] = &clk_h264c.common.hw,
> + [CLK_APB_H264C] = &clk_apb_h264c.common.hw,
> + [CLK_H265C] = &clk_h265c.common.hw,
> + [CLK_APB_H265C] = &clk_apb_h265c.common.hw,
> + [CLK_JPEG] = &clk_jpeg.common.hw,
> + [CLK_APB_JPEG] = &clk_apb_jpeg.common.hw,
> + [CLK_CAM0] = &clk_cam0.common.hw,
> + [CLK_CAM1] = &clk_cam1.common.hw,
> + [CLK_WGN] = &clk_wgn.common.hw,
> + [CLK_WGN0] = &clk_wgn0.common.hw,
> + [CLK_WGN1] = &clk_wgn1.common.hw,
> + [CLK_WGN2] = &clk_wgn2.common.hw,
> + [CLK_KEYSCAN] = &clk_keyscan.common.hw,
> + [CLK_CFG_REG_VC] = &clk_cfg_reg_vc.common.hw,
> + [CLK_C906_0] = &clk_c906_0.common.hw,
> + [CLK_C906_1] = &clk_c906_1.common.hw,
> + [CLK_A53] = &clk_a53.common.hw,
> + [CLK_CPU_AXI0] = &clk_cpu_axi0.div.common.hw,
> + [CLK_CPU_GIC] = &clk_cpu_gic.div.common.hw,
> + [CLK_XTAL_AP] = &clk_xtal_ap.common.hw,
> + [CLK_DISP_SRC_VIP] = &clk_disp_src_vip.div.common.hw,
> + },
> +};
> +
> +
> +static int cv1810_pre_init(struct device *dev, void __iomem *base,
> + struct cv1800_clk_ctrl *ctrl,
> + const struct cv1800_clk_desc *desc)
> +{
> + cv18xx_clk_disable_a53(base);
> + cv18xx_clk_disable_auto_pd(base);
> +
> + return 0;
> +}
> +
> +static const struct cv1800_clk_desc cv1810_desc = {
> + .clks_data = &cv1810_hw_clks,
> + .pre_init = cv1810_pre_init,
> +};
> +
> +static int cv1800_clk_init_ctrl(struct device *dev, void __iomem *reg,
> + struct cv1800_clk_ctrl *ctrl,
> + const struct cv1800_clk_desc *desc)
> +{
> + int i, ret;
> +
> + ctrl->desc = desc;
> + spin_lock_init(&ctrl->lock);
> +
> + for (i = 0; i < desc->clks_data->num; i++) {
> + struct clk_hw *hw = desc->clks_data->hws[i];
> + struct cv1800_clk_common *common;
> + const char *name;
> +
> + if (!hw)
> + continue;
> +
> + name = hw->init->name;
> +
> + common = hw_to_cv1800_clk_common(hw);
> + common->base = reg;
> + common->lock = &ctrl->lock;
> +
> + ret = devm_clk_hw_register(dev, hw);
> + if (ret) {
> + dev_err(dev, "Couldn't register clock %d - %s\n",
> + i, name);
> + return ret;
> + }
> + }
> +
> + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
> + desc->clks_data);
> +
> + return ret;
> +}
> +
> +static int cv1800_clk_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + void __iomem *reg;
> + int ret;
> + const struct cv1800_clk_desc *desc;
> + struct cv1800_clk_ctrl *ctrl;
> +
> + reg = devm_platform_ioremap_resource(pdev, 0);
> + if (IS_ERR(reg))
> + return PTR_ERR(reg);
> +
> + desc = device_get_match_data(dev);
> + if (!desc) {
> + dev_err(dev, "no match data for platform\n");
> + return -EINVAL;
> + }
> +
> + ctrl = devm_kmalloc(dev, sizeof(*ctrl), GFP_KERNEL);
> + if (!ctrl)
> + return -ENOMEM;
> +
> + if (desc->pre_init) {
> + ret = desc->pre_init(dev, reg, ctrl, desc);
> + if (ret)
> + return ret;
> + }
> +
> + ret = cv1800_clk_init_ctrl(dev, reg, ctrl, desc);
> +
> + return ret;
> +}
> +
> +static const struct of_device_id cv1800_clk_ids[] = {
> + { .compatible = "sophgo,cv1800-clk", .data = &cv1800_desc },
> + { .compatible = "sophgo,cv1810-clk", .data = &cv1810_desc },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, cv1800_clk_ids);
> +
> +static struct platform_driver cv1800_clk_driver = {
> + .probe = cv1800_clk_probe,
> + .driver = {
> + .name = "cv1800-clk",
> + .suppress_bind_attrs = true,
> + .of_match_table = cv1800_clk_ids,
> + },
> +};
> +module_platform_driver(cv1800_clk_driver);
> +MODULE_LICENSE("GPL");
> diff --git a/drivers/clk/sophgo/clk-cv1800.h b/drivers/clk/sophgo/clk-cv1800.h
> new file mode 100644
> index 000000000000..1e7107b5d05e
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv1800.h
> @@ -0,0 +1,123 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#ifndef _CLK_SOPHGO_CV1800_H_
> +#define _CLK_SOPHGO_CV1800_H_
> +
> +#include <dt-bindings/clock/sophgo,cv1800.h>
> +
> +#define CV1800_CLK_MAX (CLK_XTAL_AP + 1)
> +#define CV1810_CLK_MAX (CLK_DISP_SRC_VIP + 1)
> +
> +#define REG_PLL_G2_CTRL 0x800
> +#define REG_PLL_G2_STATUS 0x804
> +#define REG_MIPIMPLL_CSR 0x808
> +#define REG_A0PLL_CSR 0x80C
> +#define REG_DISPPLL_CSR 0x810
> +#define REG_CAM0PLL_CSR 0x814
> +#define REG_CAM1PLL_CSR 0x818
> +#define REG_PLL_G2_SSC_SYN_CTRL 0x840
> +#define REG_A0PLL_SSC_SYN_CTRL 0x850
> +#define REG_A0PLL_SSC_SYN_SET 0x854
> +#define REG_A0PLL_SSC_SYN_SPAN 0x858
> +#define REG_A0PLL_SSC_SYN_STEP 0x85C
> +#define REG_DISPPLL_SSC_SYN_CTRL 0x860
> +#define REG_DISPPLL_SSC_SYN_SET 0x864
> +#define REG_DISPPLL_SSC_SYN_SPAN 0x868
> +#define REG_DISPPLL_SSC_SYN_STEP 0x86C
> +#define REG_CAM0PLL_SSC_SYN_CTRL 0x870
> +#define REG_CAM0PLL_SSC_SYN_SET 0x874
> +#define REG_CAM0PLL_SSC_SYN_SPAN 0x878
> +#define REG_CAM0PLL_SSC_SYN_STEP 0x87C
> +#define REG_CAM1PLL_SSC_SYN_CTRL 0x880
> +#define REG_CAM1PLL_SSC_SYN_SET 0x884
> +#define REG_CAM1PLL_SSC_SYN_SPAN 0x888
> +#define REG_CAM1PLL_SSC_SYN_STEP 0x88C
> +#define REG_APLL_FRAC_DIV_CTRL 0x890
> +#define REG_APLL_FRAC_DIV_M 0x894
> +#define REG_APLL_FRAC_DIV_N 0x898
> +#define REG_MIPIMPLL_CLK_CSR 0x8A0
> +#define REG_A0PLL_CLK_CSR 0x8A4
> +#define REG_DISPPLL_CLK_CSR 0x8A8
> +#define REG_CAM0PLL_CLK_CSR 0x8AC
> +#define REG_CAM1PLL_CLK_CSR 0x8B0
> +#define REG_CLK_CAM0_SRC_DIV 0x8C0
> +#define REG_CLK_CAM1_SRC_DIV 0x8C4
> +
> +/* top_pll_g6 */
> +#define REG_PLL_G6_CTRL 0x900
> +#define REG_PLL_G6_STATUS 0x904
> +#define REG_MPLL_CSR 0x908
> +#define REG_TPLL_CSR 0x90C
> +#define REG_FPLL_CSR 0x910
> +#define REG_PLL_G6_SSC_SYN_CTRL 0x940
> +#define REG_DPLL_SSC_SYN_CTRL 0x950
> +#define REG_DPLL_SSC_SYN_SET 0x954
> +#define REG_DPLL_SSC_SYN_SPAN 0x958
> +#define REG_DPLL_SSC_SYN_STEP 0x95C
> +#define REG_MPLL_SSC_SYN_CTRL 0x960
> +#define REG_MPLL_SSC_SYN_SET 0x964
> +#define REG_MPLL_SSC_SYN_SPAN 0x968
> +#define REG_MPLL_SSC_SYN_STEP 0x96C
> +#define REG_TPLL_SSC_SYN_CTRL 0x970
> +#define REG_TPLL_SSC_SYN_SET 0x974
> +#define REG_TPLL_SSC_SYN_SPAN 0x978
> +#define REG_TPLL_SSC_SYN_STEP 0x97C
> +
> +/* clkgen */
> +#define REG_CLK_EN_0 0x000
> +#define REG_CLK_EN_1 0x004
> +#define REG_CLK_EN_2 0x008
> +#define REG_CLK_EN_3 0x00C
> +#define REG_CLK_EN_4 0x010
> +#define REG_CLK_SEL_0 0x020
> +#define REG_CLK_BYP_0 0x030
> +#define REG_CLK_BYP_1 0x034
> +
> +#define REG_DIV_CLK_A53_0 0x040
> +#define REG_DIV_CLK_A53_1 0x044
> +#define REG_DIV_CLK_CPU_AXI0 0x048
> +#define REG_DIV_CLK_CPU_GIC 0x050
> +#define REG_DIV_CLK_TPU 0x054
> +#define REG_DIV_CLK_EMMC 0x064
> +#define REG_DIV_CLK_EMMC_100K 0x06C
> +#define REG_DIV_CLK_SD0 0x070
> +#define REG_DIV_CLK_SD0_100K 0x078
> +#define REG_DIV_CLK_SD1 0x07C
> +#define REG_DIV_CLK_SD1_100K 0x084
> +#define REG_DIV_CLK_SPI_NAND 0x088
> +#define REG_DIV_CLK_ETH0_500M 0x08C
> +#define REG_DIV_CLK_ETH1_500M 0x090
> +#define REG_DIV_CLK_GPIO_DB 0x094
> +#define REG_DIV_CLK_SDMA_AUD0 0x098
> +#define REG_DIV_CLK_SDMA_AUD1 0x09C
> +#define REG_DIV_CLK_SDMA_AUD2 0x0A0
> +#define REG_DIV_CLK_SDMA_AUD3 0x0A4
> +#define REG_DIV_CLK_CAM0_200 0x0A8
> +#define REG_DIV_CLK_AXI4 0x0B8
> +#define REG_DIV_CLK_AXI6 0x0BC
> +#define REG_DIV_CLK_DSI_ESC 0x0C4
> +#define REG_DIV_CLK_AXI_VIP 0x0C8
> +#define REG_DIV_CLK_SRC_VIP_SYS_0 0x0D0
> +#define REG_DIV_CLK_SRC_VIP_SYS_1 0x0D8
> +#define REG_DIV_CLK_DISP_SRC_VIP 0x0E0
> +#define REG_DIV_CLK_AXI_VIDEO_CODEC 0x0E4
> +#define REG_DIV_CLK_VC_SRC0 0x0EC
> +#define REG_DIV_CLK_1M 0x0FC
> +#define REG_DIV_CLK_SPI 0x100
> +#define REG_DIV_CLK_I2C 0x104
> +#define REG_DIV_CLK_SRC_VIP_SYS_2 0x110
> +#define REG_DIV_CLK_AUDSRC 0x118
> +#define REG_DIV_CLK_PWM_SRC_0 0x120
> +#define REG_DIV_CLK_AP_DEBUG 0x128
> +#define REG_DIV_CLK_RTCSYS_SRC_0 0x12C
> +#define REG_DIV_CLK_C906_0_0 0x130
> +#define REG_DIV_CLK_C906_0_1 0x134
> +#define REG_DIV_CLK_C906_1_0 0x138
> +#define REG_DIV_CLK_C906_1_1 0x13C
> +#define REG_DIV_CLK_SRC_VIP_SYS_3 0x140
> +#define REG_DIV_CLK_SRC_VIP_SYS_4 0x144
> +
> +#endif /* _CLK_SOPHGO_CV1800_H_ */
> diff --git a/drivers/clk/sophgo/clk-cv18xx-common.c b/drivers/clk/sophgo/clk-cv18xx-common.c
> new file mode 100644
> index 000000000000..cbcdd88f0e23
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv18xx-common.c
> @@ -0,0 +1,66 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#include <linux/io.h>
> +#include <linux/iopoll.h>
> +#include <linux/spinlock.h>
> +#include <linux/bug.h>
> +
> +#include "clk-cv18xx-common.h"
> +
> +int cv1800_clk_setbit(struct cv1800_clk_common *common,
> + struct cv1800_clk_regbit *field)
> +{
> + u32 mask = BIT(field->shift);
> + u32 value;
> + unsigned long flags;
> +
> + spin_lock_irqsave(common->lock, flags);
> +
> + value = readl(common->base + field->reg);
> + writel(value | mask, common->base + field->reg);
> +
> + spin_unlock_irqrestore(common->lock, flags);
> +
> + return 0;
> +}
> +
> +int cv1800_clk_clearbit(struct cv1800_clk_common *common,
> + struct cv1800_clk_regbit *field)
> +{
> + u32 mask = BIT(field->shift);
> + u32 value;
> + unsigned long flags;
> +
> + spin_lock_irqsave(common->lock, flags);
> +
> + value = readl(common->base + field->reg);
> + writel(value & ~mask, common->base + field->reg);
> +
> + spin_unlock_irqrestore(common->lock, flags);
> +
> + return 0;
> +}
> +
> +int cv1800_clk_checkbit(struct cv1800_clk_common *common,
> + struct cv1800_clk_regbit *field)
> +{
> + return readl(common->base + field->reg) & BIT(field->shift);
> +}
> +
> +#define PLL_LOCK_TIMEOUT_US (200 * 1000)
> +
> +void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,
> + u32 reg, u32 lock)
> +{
> + void __iomem *addr = common->base + reg;
> + u32 regval;
> +
> + if (!lock)
> + return;
> +
> + WARN_ON(readl_relaxed_poll_timeout(addr, regval, regval & lock,
> + 100, PLL_LOCK_TIMEOUT_US));
> +}
> diff --git a/drivers/clk/sophgo/clk-cv18xx-common.h b/drivers/clk/sophgo/clk-cv18xx-common.h
> new file mode 100644
> index 000000000000..2bfda02b2064
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv18xx-common.h
> @@ -0,0 +1,81 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#ifndef _CLK_SOPHGO_CV18XX_IP_H_
> +#define _CLK_SOPHGO_CV18XX_IP_H_
> +
> +#include <linux/compiler.h>
> +#include <linux/clk-provider.h>
> +#include <linux/bitfield.h>
> +
> +struct cv1800_clk_common {
> + void __iomem *base;
> + spinlock_t *lock;
> + struct clk_hw hw;
> + unsigned long features;
> +};
> +
> +#define CV1800_CLK_COMMON(_name, _parents, _op, _flags) \
> + { \
> + .hw.init = CLK_HW_INIT_PARENTS_DATA(_name, _parents, \
> + _op, _flags), \
> + }
> +
> +static inline struct cv1800_clk_common *
> +hw_to_cv1800_clk_common(struct clk_hw *hw)
> +{
> + return container_of(hw, struct cv1800_clk_common, hw);
> +}
> +
> +struct cv1800_clk_regbit {
> + u16 reg;
> + s8 shift;
> +};
> +
> +struct cv1800_clk_regfield {
> + u16 reg;
> + u8 shift;
> + u8 width;
> + s16 initval;
> + unsigned long flags;
> +};
> +
> +#define CV1800_CLK_BIT(_reg, _shift) \
> + { \
> + .reg = _reg, \
> + .shift = _shift, \
> + }
> +
> +#define CV1800_CLK_REG(_reg, _shift, _width, _initval, _flags) \
> + { \
> + .reg = _reg, \
> + .shift = _shift, \
> + .width = _width, \
> + .initval = _initval, \
> + .flags = _flags, \
> + }
> +
> +#define cv1800_clk_regfield_genmask(_reg) \
> + GENMASK((_reg)->shift + (_reg)->width - 1, (_reg)->shift)
> +#define cv1800_clk_regfield_get(_val, _reg) \
> + (((_val) >> (_reg)->shift) & GENMASK((_reg)->width - 1, 0))
> +#define cv1800_clk_regfield_set(_val, _new, _reg) \
> + (((_val) & ~cv1800_clk_regfield_genmask((_reg))) | \
> + (((_new) & GENMASK((_reg)->width - 1, 0)) << (_reg)->shift))
> +
> +#define _CV1800_SET_FIELD(_reg, _val, _field) \
> + (((_reg) & ~(_field)) | FIELD_PREP((_field), (_val)))
> +
> +int cv1800_clk_setbit(struct cv1800_clk_common *common,
> + struct cv1800_clk_regbit *field);
> +int cv1800_clk_clearbit(struct cv1800_clk_common *common,
> + struct cv1800_clk_regbit *field);
> +int cv1800_clk_checkbit(struct cv1800_clk_common *common,
> + struct cv1800_clk_regbit *field);
> +
> +void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,
> + u32 reg, u32 lock);
> +
> +#endif // _CLK_SOPHGO_CV18XX_IP_H_
> diff --git a/drivers/clk/sophgo/clk-cv18xx-ip.c b/drivers/clk/sophgo/clk-cv18xx-ip.c
> new file mode 100644
> index 000000000000..aede85eac4ff
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv18xx-ip.c
> @@ -0,0 +1,905 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/io.h>
> +#include <linux/gcd.h>
> +#include <linux/spinlock.h>
> +
> +#include "clk-cv18xx-ip.h"
> +
> +/* GATE */
> +static inline struct cv1800_clk_gate *hw_to_cv1800_clk_gate(struct clk_hw *hw)
> +{
> + struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
> +
> + return container_of(common, struct cv1800_clk_gate, common);
> +}
> +
> +static int gate_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_gate *gate = hw_to_cv1800_clk_gate(hw);
> +
> + return cv1800_clk_setbit(&gate->common, &gate->gate);
> +}
> +
> +static void gate_disable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_gate *gate = hw_to_cv1800_clk_gate(hw);
> +
> + cv1800_clk_clearbit(&gate->common, &gate->gate);
> +}
> +
> +static int gate_is_enabled(struct clk_hw *hw)
> +{
> + struct cv1800_clk_gate *gate = hw_to_cv1800_clk_gate(hw);
> +
> + return cv1800_clk_checkbit(&gate->common, &gate->gate);
> +}
> +
> +static unsigned long gate_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + return parent_rate;
> +}
> +
> +static long gate_round_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long *parent_rate)
> +{
> + return *parent_rate;
> +}
> +
> +static int gate_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_gate_ops = {
> + .disable = gate_disable,
> + .enable = gate_enable,
> + .is_enabled = gate_is_enabled,
> +
> + .recalc_rate = gate_recalc_rate,
> + .round_rate = gate_round_rate,
> + .set_rate = gate_set_rate,
> +};
> +
> +/* DIV */
> +#define _DIV_EN_CLK_DIV_FACTOR_FIELD BIT(3)
> +
> +#define DIV_GET_EN_CLK_DIV_FACTOR(_reg) \
> + FIELD_GET(_DIV_EN_CLK_DIV_FACTOR_FIELD, _reg)
> +
> +#define DIV_SET_EN_DIV_FACTOR(_reg) \
> + _CV1800_SET_FIELD(_reg, 1, _DIV_EN_CLK_DIV_FACTOR_FIELD)
> +
> +static inline struct cv1800_clk_div *hw_to_cv1800_clk_div(struct clk_hw *hw)
> +{
> + struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
> +
> + return container_of(common, struct cv1800_clk_div, common);
> +}
> +
> +static int div_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> +
> + return cv1800_clk_setbit(&div->common, &div->gate);
> +}
> +
> +static void div_disable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> +
> + cv1800_clk_clearbit(&div->common, &div->gate);
> +}
> +
> +static int div_is_enabled(struct clk_hw *hw)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> +
> + return cv1800_clk_checkbit(&div->common, &div->gate);
> +}
> +
> +static int div_helper_set_rate(struct cv1800_clk_common *common,
> + struct cv1800_clk_regfield *div,
> + unsigned long val)
> +{
> + unsigned long flags;
> + u32 reg;
> +
> + if (div->width == 0)
> + return 0;
> +
> + spin_lock_irqsave(common->lock, flags);
> +
> + reg = readl(common->base + div->reg);
> + reg = cv1800_clk_regfield_set(reg, val, div);
> + if (div->initval > 0)
> + reg = DIV_SET_EN_DIV_FACTOR(reg);
> +
> + writel(reg, common->base + div->reg);
> +
> + spin_unlock_irqrestore(common->lock, flags);
> +
> + return 0;
> +}
> +
> +static u32 div_helper_get_clockdiv(struct cv1800_clk_common *common,
> + struct cv1800_clk_regfield *div)
> +{
> + u32 clockdiv = 1;
> + u32 reg;
> +
> + if (!div || div->initval < 0 || (div->width == 0 && div->initval <= 0))
> + return 1;
> +
> + if (div->width == 0 && div->initval > 0)
> + return div->initval;
> +
> + reg = readl(common->base + div->reg);
> +
> + if (div->initval == 0 || DIV_GET_EN_CLK_DIV_FACTOR(reg))
> + clockdiv = cv1800_clk_regfield_get(reg, div);
> + else if (div->initval > 0)
> + clockdiv = div->initval;
> +
> + return clockdiv;
> +}
> +
> +static u32 div_helper_round_rate(struct cv1800_clk_regfield *div,
> + struct clk_hw *hw, struct clk_hw *parent,
> + unsigned long rate, unsigned long *prate)
> +{
> + if (div->width == 0) {
> + if (div->initval <= 0)
> + return DIV_ROUND_UP_ULL(*prate, 1);
> + else
> + return DIV_ROUND_UP_ULL(*prate, div->initval);
> + }
> +
> + return divider_round_rate_parent(hw, parent, rate, prate, NULL,
> + div->width, div->flags);
> +}
> +
> +static long div_round_rate(struct clk_hw *parent, unsigned long *parent_rate,
> + unsigned long rate, int id, void *data)
> +{
> + struct cv1800_clk_div *div = data;
> +
> + return div_helper_round_rate(&div->div, &div->common.hw, parent,
> + rate, parent_rate);
> +}
> +
> +static bool div_is_better_rate(struct cv1800_clk_common *common,
> + unsigned long target, unsigned long now,
> + unsigned long best)
> +{
> + if (common->features & CLK_DIVIDER_ROUND_CLOSEST)
> + return abs_diff(target, now) < abs_diff(target, best);
> +
> + return now <= target && now > best;
> +}
> +
> +static int mux_helper_determine_rate(struct cv1800_clk_common *common,
> + struct clk_rate_request *req,
> + long (*round)(struct clk_hw *,
> + unsigned long *,
> + unsigned long,
> + int,
> + void *),
> + void *data)
> +{
> + unsigned long best_parent_rate = 0, best_rate = 0;
> + struct clk_hw *best_parent, *hw = &common->hw;
> + unsigned int i;
> +
> + if (clk_hw_get_flags(hw) & CLK_SET_RATE_NO_REPARENT) {
> + unsigned long adj_parent_rate;
> +
> + best_parent = clk_hw_get_parent(hw);
> + best_parent_rate = clk_hw_get_rate(best_parent);
> +
> + best_rate = round(best_parent, &adj_parent_rate,
> + req->rate, -1, data);
> +
> + goto find;
> + }
> +
> + for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
> + unsigned long tmp_rate, parent_rate;
> + struct clk_hw *parent;
> +
> + parent = clk_hw_get_parent_by_index(hw, i);
> + if (!parent)
> + continue;
> +
> + parent_rate = clk_hw_get_rate(parent);
> +
> + tmp_rate = round(parent, &parent_rate, req->rate, i, data);
> +
> + if (tmp_rate == req->rate) {
> + best_parent = parent;
> + best_parent_rate = parent_rate;
> + best_rate = tmp_rate;
> + goto find;
> + }
> +
> + if (div_is_better_rate(common, req->rate,
> + tmp_rate, best_rate)) {
> + best_parent = parent;
> + best_parent_rate = parent_rate;
> + best_rate = tmp_rate;
> + }
> + }
> +
> + if (best_rate == 0)
> + return -EINVAL;
> +
> +find:
> + req->best_parent_hw = best_parent;
> + req->best_parent_rate = best_parent_rate;
> + req->rate = best_rate;
> + return 0;
> +}
> +
> +static int div_determine_rate(struct clk_hw *hw,
> + struct clk_rate_request *req)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> +
> + return mux_helper_determine_rate(&div->common, req,
> + div_round_rate, div);
> +}
> +
> +static unsigned long div_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> + unsigned long val;
> +
> + val = div_helper_get_clockdiv(&div->common, &div->div);
> + if (val == 0)
> + return 0;
> +
> + return divider_recalc_rate(hw, parent_rate, val, NULL,
> + div->div.flags, div->div.width);
> +}
> +
> +static int div_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> + unsigned long val;
> +
> + val = divider_get_val(rate, parent_rate, NULL,
> + div->div.width, div->div.flags);
> +
> + return div_helper_set_rate(&div->common, &div->div, val);
> +}
> +
> +const struct clk_ops cv1800_clk_div_ops = {
> + .disable = div_disable,
> + .enable = div_enable,
> + .is_enabled = div_is_enabled,
> +
> + .determine_rate = div_determine_rate,
> + .recalc_rate = div_recalc_rate,
> + .set_rate = div_set_rate,
> +};
> +
> +static inline struct cv1800_clk_bypass_div *
> +hw_to_cv1800_clk_bypass_div(struct clk_hw *hw)
> +{
> + struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
> +
> + return container_of(div, struct cv1800_clk_bypass_div, div);
> +}
> +
> +static long bypass_div_round_rate(struct clk_hw *parent,
> + unsigned long *parent_rate,
> + unsigned long rate, int id, void *data)
> +{
> + struct cv1800_clk_bypass_div *div = data;
> +
> + if (id == -1) {
> + if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
> + return *parent_rate;
> + else
> + return div_round_rate(parent, parent_rate, rate,
> + -1, &div->div);
> + }
> +
> + if (id == 0)
> + return *parent_rate;
> +
> + return div_round_rate(parent, parent_rate, rate, id - 1, &div->div);
> +}
> +
> +static int bypass_div_determine_rate(struct clk_hw *hw,
> + struct clk_rate_request *req)
> +{
> + struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
> +
> + return mux_helper_determine_rate(&div->div.common, req,
> + bypass_div_round_rate, div);
> +}
> +
> +static unsigned long bypass_div_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
> +
> + if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
> + return parent_rate;
> +
> + return div_recalc_rate(hw, parent_rate);
> +}
> +
> +static int bypass_div_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
> +
> + if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
> + return 0;
> +
> + return div_set_rate(hw, rate, parent_rate);
> +}
> +
> +static u8 bypass_div_get_parent(struct clk_hw *hw)
> +{
> + struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
> +
> + if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
> + return 0;
> +
> + return 1;
> +}
> +
> +static int bypass_div_set_parent(struct clk_hw *hw, u8 index)
> +{
> + struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
> + unsigned long flags;
> +
> + spin_lock_irqsave(div->div.common.lock, flags);
> +
> + if (index)
> + cv1800_clk_clearbit(&div->div.common, &div->bypass);
> + else
> + cv1800_clk_setbit(&div->div.common, &div->bypass);
> +
> + spin_unlock_irqrestore(div->div.common.lock, flags);
> +
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_bypass_div_ops = {
> + .disable = div_disable,
> + .enable = div_enable,
> + .is_enabled = div_is_enabled,
> +
> + .determine_rate = bypass_div_determine_rate,
> + .recalc_rate = bypass_div_recalc_rate,
> + .set_rate = bypass_div_set_rate,
> +
> + .set_parent = bypass_div_set_parent,
> + .get_parent = bypass_div_get_parent
> +};
> +
> +/* MUX */
> +static inline struct cv1800_clk_mux *hw_to_cv1800_clk_mux(struct clk_hw *hw)
> +{
> + struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
> +
> + return container_of(common, struct cv1800_clk_mux, common);
> +}
> +
> +static int mux_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> +
> + return cv1800_clk_setbit(&mux->common, &mux->gate);
> +}
> +
> +static void mux_disable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> +
> + cv1800_clk_clearbit(&mux->common, &mux->gate);
> +}
> +
> +static int mux_is_enabled(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> +
> + return cv1800_clk_checkbit(&mux->common, &mux->gate);
> +}
> +
> +static long mux_round_rate(struct clk_hw *parent, unsigned long *parent_rate,
> + unsigned long rate, int id, void *data)
> +{
> + struct cv1800_clk_mux *mux = data;
> +
> + return div_helper_round_rate(&mux->div, &mux->common.hw, parent,
> + rate, parent_rate);
> +}
> +
> +static int mux_determine_rate(struct clk_hw *hw,
> + struct clk_rate_request *req)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> +
> + return mux_helper_determine_rate(&mux->common, req,
> + mux_round_rate, mux);
> +}
> +
> +static unsigned long mux_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> + unsigned long val;
> +
> + val = div_helper_get_clockdiv(&mux->common, &mux->div);
> + if (val == 0)
> + return 0;
> +
> + return divider_recalc_rate(hw, parent_rate, val, NULL,
> + mux->div.flags, mux->div.width);
> +}
> +
> +static int mux_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> + unsigned long val;
> +
> + val = divider_get_val(rate, parent_rate, NULL,
> + mux->div.width, mux->div.flags);
> +
> + return div_helper_set_rate(&mux->common, &mux->div, val);
> +}
> +
> +static u8 mux_get_parent(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> + u32 reg = readl(mux->common.base + mux->mux.reg);
> +
> + return cv1800_clk_regfield_get(reg, &mux->mux);
> +}
> +
> +static int _mux_set_parent(struct cv1800_clk_mux *mux, u8 index)
> +{
> + u32 reg;
> +
> + reg = readl(mux->common.base + mux->mux.reg);
> + reg = cv1800_clk_regfield_set(reg, index, &mux->mux);
> + writel(reg, mux->common.base + mux->mux.reg);
> +
> + return 0;
> +}
> +
> +static int mux_set_parent(struct clk_hw *hw, u8 index)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> + unsigned long flags;
> +
> + spin_lock_irqsave(mux->common.lock, flags);
> +
> + _mux_set_parent(mux, index);
> +
> + spin_unlock_irqrestore(mux->common.lock, flags);
> +
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_mux_ops = {
> + .disable = mux_disable,
> + .enable = mux_enable,
> + .is_enabled = mux_is_enabled,
> +
> + .determine_rate = mux_determine_rate,
> + .recalc_rate = mux_recalc_rate,
> + .set_rate = mux_set_rate,
> +
> + .set_parent = mux_set_parent,
> + .get_parent = mux_get_parent,
> +};
> +
> +static inline struct cv1800_clk_bypass_mux *
> +hw_to_cv1800_clk_bypass_mux(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
> +
> + return container_of(mux, struct cv1800_clk_bypass_mux, mux);
> +}
> +
> +static long bypass_mux_round_rate(struct clk_hw *parent,
> + unsigned long *parent_rate,
> + unsigned long rate, int id, void *data)
> +{
> + struct cv1800_clk_bypass_mux *mux = data;
> +
> + if (id == -1) {
> + if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
> + return *parent_rate;
> + else
> + return mux_round_rate(parent, parent_rate, rate,
> + -1, &mux->mux);
> + }
> +
> + if (id == 0)
> + return *parent_rate;
> +
> + return mux_round_rate(parent, parent_rate, rate, id - 1, &mux->mux);
> +}
> +
> +static int bypass_mux_determine_rate(struct clk_hw *hw,
> + struct clk_rate_request *req)
> +{
> + struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
> +
> + return mux_helper_determine_rate(&mux->mux.common, req,
> + bypass_mux_round_rate, mux);
> +}
> +
> +static unsigned long bypass_mux_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
> +
> + if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
> + return parent_rate;
> +
> + return mux_recalc_rate(hw, parent_rate);
> +}
> +
> +static int bypass_mux_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
> +
> + if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
> + return 0;
> +
> + return mux_set_rate(hw, rate, parent_rate);
> +}
> +
> +static u8 bypass_mux_get_parent(struct clk_hw *hw)
> +{
> + struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
> +
> + if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
> + return 0;
> +
> + return mux_get_parent(hw) + 1;
> +}
> +
> +static int bypass_mux_set_parent(struct clk_hw *hw, u8 index)
> +{
> + struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
> + unsigned long flags;
> +
> + spin_lock_irqsave(mux->mux.common.lock, flags);
> +
> + if (index == 0) {
> + cv1800_clk_setbit(&mux->mux.common, &mux->bypass);
> + goto release;
> + }
> +
> + cv1800_clk_clearbit(&mux->mux.common, &mux->bypass);
> + _mux_set_parent(&mux->mux, index - 1);
> +
> +release:
> + spin_unlock_irqrestore(mux->mux.common.lock, flags);
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_bypass_mux_ops = {
> + .disable = mux_disable,
> + .enable = mux_enable,
> + .is_enabled = mux_is_enabled,
> +
> + .determine_rate = bypass_mux_determine_rate,
> + .recalc_rate = bypass_mux_recalc_rate,
> + .set_rate = bypass_mux_set_rate,
> +
> + .set_parent = bypass_mux_set_parent,
> + .get_parent = bypass_mux_get_parent,
> +};
> +
> +/* MMUX */
> +static inline struct cv1800_clk_mmux *hw_to_cv1800_clk_mmux(struct clk_hw *hw)
> +{
> + struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
> +
> + return container_of(common, struct cv1800_clk_mmux, common);
> +}
> +
> +static u8 mmux_get_parent_id(struct cv1800_clk_mmux *mmux)
> +{
> + struct clk_hw *hw = &mmux->common.hw;
> + struct clk_hw *parent = clk_hw_get_parent(hw);
> + unsigned int i;
> +
> + for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
> + if (parent == clk_hw_get_parent_by_index(hw, i))
> + return i;
> + }
> +
> + unreachable();
> +}
> +
> +static int mmux_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> +
> + return cv1800_clk_setbit(&mmux->common, &mmux->gate);
> +}
> +
> +static void mmux_disable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> +
> + cv1800_clk_clearbit(&mmux->common, &mmux->gate);
> +}
> +
> +static int mmux_is_enabled(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> +
> + return cv1800_clk_checkbit(&mmux->common, &mmux->gate);
> +}
> +
> +static long mmux_round_rate(struct clk_hw *parent, unsigned long *parent_rate,
> + unsigned long rate, int id, void *data)
> +{
> + struct cv1800_clk_mmux *mmux = data;
> + s8 div_id;
> +
> + if (id == -1) {
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
> + return *parent_rate;
> +
> + id = mmux_get_parent_id(mmux);
> + }
> +
> + div_id = mmux->parent2sel[id];
> +
> + if (div_id < 0)
> + return *parent_rate;
> +
> + return div_helper_round_rate(&mmux->div[div_id],
> + &mmux->common.hw, parent,
> + rate, parent_rate);
> +}
> +
> +static int mmux_determine_rate(struct clk_hw *hw,
> + struct clk_rate_request *req)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> +
> + return mux_helper_determine_rate(&mmux->common, req,
> + mmux_round_rate, mmux);
> +}
> +
> +static unsigned long mmux_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> + unsigned long val;
> + struct cv1800_clk_regfield *div;
> +
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
> + return parent_rate;
> +
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->clk_sel))
> + div = &mmux->div[0];
> + else
> + div = &mmux->div[1];
> +
> + val = div_helper_get_clockdiv(&mmux->common, div);
> + if (val == 0)
> + return 0;
> +
> + return divider_recalc_rate(hw, parent_rate, val, NULL,
> + div->flags, div->width);
> +}
> +
> +static int mmux_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> + struct cv1800_clk_regfield *div;
> + unsigned long val;
> +
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
> + return parent_rate;
> +
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->clk_sel))
> + div = &mmux->div[0];
> + else
> + div = &mmux->div[1];
> +
> + val = divider_get_val(rate, parent_rate, NULL,
> + div->width, div->flags);
> +
> + return div_helper_set_rate(&mmux->common, div, val);
> +}
> +
> +static u8 mmux_get_parent(struct clk_hw *hw)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> + struct cv1800_clk_regfield *mux;
> + u32 reg;
> + s8 clk_sel;
> +
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
> + return 0;
> +
> + if (cv1800_clk_checkbit(&mmux->common, &mmux->clk_sel))
> + clk_sel = 0;
> + else
> + clk_sel = 1;
> + mux = &mmux->mux[clk_sel];
> +
> + reg = readl(mmux->common.base + mux->reg);
> +
> + return mmux->sel2parent[clk_sel][cv1800_clk_regfield_get(reg, mux)];
> +}
> +
> +static int mmux_set_parent(struct clk_hw *hw, u8 index)
> +{
> + struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
> + struct cv1800_clk_regfield *mux;
> + unsigned long flags;
> + u32 reg;
> + s8 clk_sel = mmux->parent2sel[index];
> +
> + spin_lock_irqsave(mmux->common.lock, flags);
> +
> + if (index == 0 || clk_sel == -1) {
> + cv1800_clk_setbit(&mmux->common, &mmux->bypass);
> + goto release;
> + }
> +
> + cv1800_clk_clearbit(&mmux->common, &mmux->bypass);
> +
> + if (clk_sel)
> + cv1800_clk_clearbit(&mmux->common, &mmux->clk_sel);
> + else
> + cv1800_clk_setbit(&mmux->common, &mmux->clk_sel);
> +
> + mux = &mmux->mux[clk_sel];
> + reg = readl(mmux->common.base + mux->reg);
> + reg = cv1800_clk_regfield_set(reg, index, mux);
> +
> + writel(reg, mmux->common.base + mux->reg);
> +
> +release:
> + spin_unlock_irqrestore(mmux->common.lock, flags);
> +
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_mmux_ops = {
> + .disable = mmux_disable,
> + .enable = mmux_enable,
> + .is_enabled = mmux_is_enabled,
> +
> + .determine_rate = mmux_determine_rate,
> + .recalc_rate = mmux_recalc_rate,
> + .set_rate = mmux_set_rate,
> +
> + .set_parent = mmux_set_parent,
> + .get_parent = mmux_get_parent,
> +};
> +
> +/* AUDIO CLK */
> +static inline struct cv1800_clk_audio *
> +hw_to_cv1800_clk_audio(struct clk_hw *hw)
> +{
> + struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
> +
> + return container_of(common, struct cv1800_clk_audio, common);
> +}
> +
> +static int aclk_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
> +
> + cv1800_clk_setbit(&aclk->common, &aclk->src_en);
> + return cv1800_clk_setbit(&aclk->common, &aclk->output_en);
> +}
> +
> +static void aclk_disable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
> +
> + cv1800_clk_clearbit(&aclk->common, &aclk->output_en);
> + cv1800_clk_clearbit(&aclk->common, &aclk->src_en);
> +}
> +
> +static int aclk_is_enabled(struct clk_hw *hw)
> +{
> + struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
> +
> + return cv1800_clk_checkbit(&aclk->common, &aclk->output_en);
> +}
> +
> +static int aclk_determine_rate(struct clk_hw *hw,
> + struct clk_rate_request *req)
> +{
> + struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
> +
> + req->rate = aclk->target_rate;
> +
> + return 0;
> +}
> +
> +static unsigned long aclk_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
> + u64 rate = parent_rate;
> + u64 factor = 2;
> + u32 regval;
> +
> + if (!cv1800_clk_checkbit(&aclk->common, &aclk->div_en))
> + return 0;
> +
> + regval = readl(aclk->common.base + aclk->m.reg);
> + factor *= cv1800_clk_regfield_get(regval, &aclk->m);
> +
> + regval = readl(aclk->common.base + aclk->n.reg);
> + rate *= cv1800_clk_regfield_get(regval, &aclk->n);
> +
> + return DIV64_U64_ROUND_UP(rate, factor);
> +}
> +
> +static void aclk_determine_mn(unsigned long parent_rate, unsigned long rate,
> + u32 *m, u32 *n)
> +{
> + u32 tm = parent_rate / 2;
> + u32 tn = rate;
> + u32 tcommon = gcd(tm, tn);
> + *m = tm / tcommon;
> + *n = tn / tcommon;
> +}
> +
> +
> +static int aclk_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
> + unsigned long flags;
> + u32 m, n;
> +
> + aclk_determine_mn(parent_rate, rate,
> + &m, &n);
> +
> + spin_lock_irqsave(aclk->common.lock, flags);
> +
> + writel(m, aclk->common.base + aclk->m.reg);
> + writel(n, aclk->common.base + aclk->n.reg);
> +
> + cv1800_clk_setbit(&aclk->common, &aclk->div_en);
> + cv1800_clk_setbit(&aclk->common, &aclk->div_up);
> +
> + spin_unlock_irqrestore(aclk->common.lock, flags);
> +
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_audio_ops = {
> + .disable = aclk_disable,
> + .enable = aclk_enable,
> + .is_enabled = aclk_is_enabled,
> +
> + .determine_rate = aclk_determine_rate,
> + .recalc_rate = aclk_recalc_rate,
> + .set_rate = aclk_set_rate,
> +};
> diff --git a/drivers/clk/sophgo/clk-cv18xx-ip.h b/drivers/clk/sophgo/clk-cv18xx-ip.h
> new file mode 100644
> index 000000000000..928de0146b08
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv18xx-ip.h
> @@ -0,0 +1,265 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#ifndef _CLK_SOPHGO_CV1800_IP_H_
> +#define _CLK_SOPHGO_CV1800_IP_H_
> +
> +#include "clk-cv18xx-common.h"
> +
> +struct cv1800_clk_gate {
> + struct cv1800_clk_common common;
> + struct cv1800_clk_regbit gate;
> +};
> +
> +struct cv1800_clk_div_data {
> + u32 reg;
> + u32 mask;
> + u32 width;
> + u32 init;
> + u32 flags;
> +};
> +
> +struct cv1800_clk_div {
> + struct cv1800_clk_common common;
> + struct cv1800_clk_regbit gate;
> + struct cv1800_clk_regfield div;
> +};
> +
> +struct cv1800_clk_bypass_div {
> + struct cv1800_clk_div div;
> + struct cv1800_clk_regbit bypass;
> +};
> +
> +struct cv1800_clk_mux {
> + struct cv1800_clk_common common;
> + struct cv1800_clk_regbit gate;
> + struct cv1800_clk_regfield div;
> + struct cv1800_clk_regfield mux;
> +};
> +
> +struct cv1800_clk_bypass_mux {
> + struct cv1800_clk_mux mux;
> + struct cv1800_clk_regbit bypass;
> +};
> +
> +struct cv1800_clk_mmux {
> + struct cv1800_clk_common common;
> + struct cv1800_clk_regbit gate;
> + struct cv1800_clk_regfield div[2];
> + struct cv1800_clk_regfield mux[2];
> + struct cv1800_clk_regbit bypass;
> + struct cv1800_clk_regbit clk_sel;
> + const s8 *parent2sel;
> + const u8 *sel2parent[2];
> +};
> +
> +struct cv1800_clk_audio {
> + struct cv1800_clk_common common;
> + struct cv1800_clk_regbit src_en;
> + struct cv1800_clk_regbit output_en;
> + struct cv1800_clk_regbit div_en;
> + struct cv1800_clk_regbit div_up;
> + struct cv1800_clk_regfield m;
> + struct cv1800_clk_regfield n;
> + u32 target_rate;
> +};
> +
> +#define CV1800_GATE(_name, _parent, _gate_reg, _gate_shift, _flags) \
> + struct cv1800_clk_gate _name = { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + &cv1800_clk_gate_ops, \
> + _flags), \
> + .gate = CV1800_CLK_BIT(_gate_reg, _gate_shift), \
> + }
> +
> +#define _CV1800_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init, \
> + _div_flag, _ops, _flags) \
> + { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + _ops, _flags), \
> + .gate = CV1800_CLK_BIT(_gate_reg, \
> + _gate_shift), \
> + .div = CV1800_CLK_REG(_div_reg, _div_shift, \
> + _div_width, _div_init, \
> + _div_flag), \
> + }
> +
> +#define _CV1800_FIXED_DIV_FLAG \
> + (CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ROUND_CLOSEST)
> +
> +#define _CV1800_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _fix_div, _ops, _flags) \
> + { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + _ops, _flags), \
> + .gate = CV1800_CLK_BIT(_gate_reg, \
> + _gate_shift), \
> + .div = CV1800_CLK_REG(0, 0, 0, \
> + _fix_div, \
> + _CV1800_FIXED_DIV_FLAG),\
> + }
> +
> +
> +#define CV1800_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init, \
> + _div_flag, _flags) \
> + struct cv1800_clk_div _name = \
> + _CV1800_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init,\
> + _div_flag, &cv1800_clk_div_ops, _flags)
> +
> +
> +#define CV1800_BYPASS_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init, \
> + _div_flag, _bypass_reg, _bypass_shift, _flags)\
> + struct cv1800_clk_bypass_div _name = { \
> + .div = _CV1800_DIV(_name, _parent, \
> + _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, \
> + _div_width, _div_init, _div_flag, \
> + &cv1800_clk_bypass_div_ops, \
> + _flags), \
> + .bypass = CV1800_CLK_BIT(_bypass_reg, _bypass_shift), \
> + }
> +
> +#define CV1800_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _fix_div, _flags) \
> + struct cv1800_clk_div _name = \
> + _CV1800_FIXED_DIV(_name, _parent, \
> + _gate_reg, _gate_shift, \
> + _fix_div, \
> + &cv1800_clk_div_ops, _flags) \
> +
> +#define CV1800_BYPASS_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift, \
> + _fix_div, _bypass_reg, _bypass_shift, \
> + _flags) \
> + struct cv1800_clk_bypass_div _name = { \
> + .div = _CV1800_FIXED_DIV(_name, _parent, \
> + _gate_reg, _gate_shift, \
> + _fix_div, \
> + &cv1800_clk_bypass_div_ops, \
> + _flags), \
> + .bypass = CV1800_CLK_BIT(_bypass_reg, _bypass_shift), \
> + }
> +
> +#define _CV1800_MUX(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init, \
> + _div_flag, \
> + _mux_reg, _mux_shift, _mux_width, \
> + _ops, _flags) \
> + { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + _ops, _flags), \
> + .gate = CV1800_CLK_BIT(_gate_reg, \
> + _gate_shift), \
> + .div = CV1800_CLK_REG(_div_reg, _div_shift, \
> + _div_width, _div_init, \
> + _div_flag), \
> + .mux = CV1800_CLK_REG(_mux_reg, _mux_shift, \
> + _mux_width, 0, 0), \
> + }
> +
> +#define CV1800_MUX(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init, \
> + _div_flag, \
> + _mux_reg, _mux_shift, _mux_width, _flags) \
> + struct cv1800_clk_mux _name = \
> + _CV1800_MUX(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init,\
> + _div_flag, _mux_reg, _mux_shift, _mux_width,\
> + &cv1800_clk_mux_ops, _flags)
> +
> +#define CV1800_BYPASS_MUX(_name, _parent, _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, _div_init, \
> + _div_flag, \
> + _mux_reg, _mux_shift, _mux_width, \
> + _bypass_reg, _bypass_shift, _flags) \
> + struct cv1800_clk_bypass_mux _name = { \
> + .mux = _CV1800_MUX(_name, _parent, \
> + _gate_reg, _gate_shift, \
> + _div_reg, _div_shift, _div_width, \
> + _div_init, _div_flag, \
> + _mux_reg, _mux_shift, _mux_width, \
> + &cv1800_clk_bypass_mux_ops, \
> + _flags), \
> + .bypass = CV1800_CLK_BIT(_bypass_reg, _bypass_shift), \
> + }
> +
> +#define CV1800_MMUX(_name, _parent, _gate_reg, _gate_shift, \
> + _div0_reg, _div0_shift, _div0_width, _div0_init, \
> + _div0_flag, \
> + _div1_reg, _div1_shift, _div1_width, _div1_init, \
> + _div1_flag, \
> + _mux0_reg, _mux0_shift, _mux0_width, \
> + _mux1_reg, _mux1_shift, _mux1_width, \
> + _bypass_reg, _bypass_shift, \
> + _clk_sel_reg, _clk_sel_shift, \
> + _parent2sel, _sel2parent0, _sel2parent1, _flags) \
> + struct cv1800_clk_mmux _name = { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + &cv1800_clk_mmux_ops,\
> + _flags), \
> + .gate = CV1800_CLK_BIT(_gate_reg, _gate_shift),\
> + .div = { \
> + CV1800_CLK_REG(_div0_reg, _div0_shift, \
> + _div0_width, _div0_init, \
> + _div0_flag), \
> + CV1800_CLK_REG(_div1_reg, _div1_shift, \
> + _div1_width, _div1_init, \
> + _div1_flag), \
> + }, \
> + .mux = { \
> + CV1800_CLK_REG(_mux0_reg, _mux0_shift, \
> + _mux0_width, 0, 0), \
> + CV1800_CLK_REG(_mux1_reg, _mux1_shift, \
> + _mux1_width, 0, 0), \
> + }, \
> + .bypass = CV1800_CLK_BIT(_bypass_reg, \
> + _bypass_shift), \
> + .clk_sel = CV1800_CLK_BIT(_clk_sel_reg, \
> + _clk_sel_shift), \
> + .parent2sel = _parent2sel, \
> + .sel2parent = { _sel2parent0, _sel2parent1 }, \
> + }
> +
> +#define CV1800_ACLK(_name, _parent, \
> + _src_en_reg, _src_en_reg_shift, \
> + _output_en_reg, _output_en_shift, \
> + _div_en_reg, _div_en_reg_shift, \
> + _div_up_reg, _div_up_reg_shift, \
> + _m_reg, _m_shift, _m_width, _m_flag, \
> + _n_reg, _n_shift, _n_width, _n_flag, \
> + _target_rate, _flags) \
> + struct cv1800_clk_audio _name = { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + &cv1800_clk_audio_ops,\
> + _flags), \
> + .src_en = CV1800_CLK_BIT(_src_en_reg, \
> + _src_en_reg_shift), \
> + .output_en = CV1800_CLK_BIT(_output_en_reg, \
> + _output_en_shift), \
> + .div_en = CV1800_CLK_BIT(_div_en_reg, \
> + _div_en_reg_shift), \
> + .div_up = CV1800_CLK_BIT(_div_up_reg, \
> + _div_up_reg_shift), \
> + .m = CV1800_CLK_REG(_m_reg, _m_shift, \
> + _m_width, 0, _m_flag), \
> + .n = CV1800_CLK_REG(_n_reg, _n_shift, \
> + _n_width, 0, _n_flag), \
> + .target_rate = _target_rate, \
> + }
> +
> +
> +
> +extern const struct clk_ops cv1800_clk_gate_ops;
> +extern const struct clk_ops cv1800_clk_div_ops;
> +extern const struct clk_ops cv1800_clk_bypass_div_ops;
> +extern const struct clk_ops cv1800_clk_mux_ops;
> +extern const struct clk_ops cv1800_clk_bypass_mux_ops;
> +extern const struct clk_ops cv1800_clk_mmux_ops;
> +extern const struct clk_ops cv1800_clk_audio_ops;
> +
> +#endif // _CLK_SOPHGO_CV1800_IP_H_
> diff --git a/drivers/clk/sophgo/clk-cv18xx-pll.c b/drivers/clk/sophgo/clk-cv18xx-pll.c
> new file mode 100644
> index 000000000000..c687bde48455
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv18xx-pll.c
> @@ -0,0 +1,425 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/io.h>
> +#include <linux/limits.h>
> +#include <linux/spinlock.h>
> +
> +#include "clk-cv18xx-pll.h"
> +
> +static inline struct cv1800_clk_pll *hw_to_cv1800_clk_pll(struct clk_hw *hw)
> +{
> + struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
> +
> + return container_of(common, struct cv1800_clk_pll, common);
> +}
> +
> +static unsigned long ipll_calc_rate(unsigned long parent_rate,
> + unsigned long pre_div_sel,
> + unsigned long div_sel,
> + unsigned long post_div_sel)
> +{
> + unsigned long rate = parent_rate;
> +
> + rate *= div_sel;
> + do_div(rate, pre_div_sel * post_div_sel);
> +
> + return rate;
> +}
> +
> +static unsigned long ipll_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> + u32 value;
> +
> + value = readl(pll->common.base + pll->pll_reg);
> +
> + return ipll_calc_rate(parent_rate,
> + PLL_GET_PRE_DIV_SEL(value),
> + PLL_GET_DIV_SEL(value),
> + PLL_GET_POST_DIV_SEL(value));
> +}
> +
> +static int ipll_find_rate(const struct cv1800_clk_pll_limit *limit,
> + unsigned long prate, unsigned long *rate,
> + u32 *value)
> +{
> + unsigned long best_rate = 0;
> + unsigned long trate = *rate;
> + unsigned long pre_div_sel = 0, div_sel = 0, post_div_sel = 0;
> + unsigned long pre, div, post;
> + u32 detected = *value;
> + unsigned long tmp;
> +
> + for_each_pll_limit_range(pre, &limit->pre_div) {
> + for_each_pll_limit_range(div, &limit->div) {
> + for_each_pll_limit_range(post, &limit->post_div) {
> + tmp = ipll_calc_rate(prate, pre, div, post);
> +
> + if (tmp > trate)
> + continue;
> +
> + if ((trate - tmp) < (trate - best_rate)) {
> + best_rate = tmp;
> + pre_div_sel = pre;
> + div_sel = div;
> + post_div_sel = post;
> + }
> + }
> + }
> + }
> +
> + if (best_rate) {
> + detected = PLL_SET_PRE_DIV_SEL(detected, pre_div_sel);
> + detected = PLL_SET_POST_DIV_SEL(detected, post_div_sel);
> + detected = PLL_SET_DIV_SEL(detected, div_sel);
> + *value = detected;
> + *rate = best_rate;
> + return 0;
> + }
> +
> + return -EINVAL;
> +}
> +
> +static int ipll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
> +{
> + u32 val;
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + return ipll_find_rate(pll->pll_limit, req->best_parent_rate,
> + &req->rate, &val);
> +}
> +
> +static void pll_get_mode_ctrl(unsigned long div_sel,
> + bool (*mode_ctrl_check)(unsigned long,
> + unsigned long,
> + unsigned long),
> + const struct cv1800_clk_pll_limit *limit,
> + u32 *value)
> +{
> + unsigned long ictrl = 0, mode = 0;
> + u32 detected = *value;
> +
> + for_each_pll_limit_range(mode, &limit->mode) {
> + for_each_pll_limit_range(ictrl, &limit->ictrl) {
> + if (mode_ctrl_check(div_sel, ictrl, mode)) {
> + detected = PLL_SET_SEL_MODE(detected, mode);
> + detected = PLL_SET_ICTRL(detected, ictrl);
> + *value = detected;
> + return;
> + }
> + }
> + }
> +}
> +
> +static bool ipll_check_mode_ctrl_restrict(unsigned long div_sel,
> + unsigned long ictrl,
> + unsigned long mode)
> +{
> + unsigned long left_rest = 20 * div_sel;
> + unsigned long right_rest = 35 * div_sel;
> + unsigned long test = 184 * (1 + mode) * (1 + ictrl) / 2;
> +
> + return test > left_rest && test <= right_rest;
> +}
> +
> +static int ipll_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + u32 regval, detected = 0;
> + unsigned long flags;
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + ipll_find_rate(pll->pll_limit, parent_rate, &rate, &detected);
> + pll_get_mode_ctrl(PLL_GET_DIV_SEL(detected),
> + ipll_check_mode_ctrl_restrict,
> + pll->pll_limit, &detected);
> +
> + spin_lock_irqsave(pll->common.lock, flags);
> +
> + regval = readl(pll->common.base + pll->pll_reg);
> + regval = PLL_COPY_REG(regval, detected);
> +
> + writel(regval, pll->common.base + pll->pll_reg);
> +
> + spin_unlock_irqrestore(pll->common.lock, flags);
> +
> + cv1800_clk_wait_for_lock(&pll->common, pll->pll_status.reg,
> + BIT(pll->pll_status.shift));
> +
> + return 0;
> +}
> +
> +static int pll_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + return cv1800_clk_clearbit(&pll->common, &pll->pll_pwd);
> +}
> +
> +static void pll_disable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + cv1800_clk_setbit(&pll->common, &pll->pll_pwd);
> +}
> +
> +static int pll_is_enable(struct clk_hw *hw)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + return cv1800_clk_checkbit(&pll->common, &pll->pll_pwd) == 0;
> +}
> +
> +const struct clk_ops cv1800_clk_ipll_ops = {
> + .disable = pll_disable,
> + .enable = pll_enable,
> + .is_enabled = pll_is_enable,
> +
> + .recalc_rate = ipll_recalc_rate,
> + .determine_rate = ipll_determine_rate,
> + .set_rate = ipll_set_rate,
> +};
> +
> +#define PLL_SYN_FACTOR_DOT_POS 26
> +#define PLL_SYN_FACTOR_MINIMUM ((4 << PLL_SYN_FACTOR_DOT_POS) + 1)
> +
> +static bool fpll_is_factional_mode(struct cv1800_clk_pll *pll)
> +{
> + return cv1800_clk_checkbit(&pll->common, &pll->pll_syn->en);
> +}
> +
> +static unsigned long fpll_calc_rate(unsigned long parent_rate,
> + unsigned long pre_div_sel,
> + unsigned long div_sel,
> + unsigned long post_div_sel,
> + unsigned long ssc_syn_set,
> + bool is_full_parent)
> +{
> + u64 dividend = parent_rate * div_sel;
> + u64 factor = ssc_syn_set * pre_div_sel * post_div_sel;
> + unsigned long rate;
> +
> + dividend <<= PLL_SYN_FACTOR_DOT_POS - 1;
> + rate = dividend / factor;
> + dividend %= factor;
> +
> + if (is_full_parent) {
> + dividend <<= 1;
> + rate <<= 1;
> + }
> +
> + rate += DIV64_U64_ROUND_CLOSEST(dividend, factor);
> +
> + return rate;
> +}
> +
> +static unsigned long fpll_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> + u32 value;
> + bool clk_full;
> + u32 syn_set;
> +
> + if (!fpll_is_factional_mode(pll))
> + return ipll_recalc_rate(hw, parent_rate);
> +
> + syn_set = readl(pll->common.base + pll->pll_syn->set);
> +
> + if (syn_set == 0)
> + return 0;
> +
> + clk_full = cv1800_clk_checkbit(&pll->common,
> + &pll->pll_syn->clk_half);
> +
> + value = readl(pll->common.base + pll->pll_reg);
> +
> + return fpll_calc_rate(parent_rate,
> + PLL_GET_PRE_DIV_SEL(value),
> + PLL_GET_DIV_SEL(value),
> + PLL_GET_POST_DIV_SEL(value),
> + syn_set, clk_full);
> +}
> +
> +static unsigned long fpll_find_synthesizer(unsigned long parent,
> + unsigned long rate,
> + unsigned long pre_div,
> + unsigned long div,
> + unsigned long post_div,
> + bool is_full_parent,
> + u32 *ssc_syn_set)
> +{
> + u32 test_max = U32_MAX, test_min = PLL_SYN_FACTOR_MINIMUM;
> + unsigned long trate;
> +
> + while (test_min < test_max) {
> + u32 tssc = (test_max + test_min) / 2;
> +
> + trate = fpll_calc_rate(parent, pre_div, div, post_div,
> + tssc, is_full_parent);
> +
> + if (trate == rate) {
> + test_min = tssc;
> + break;
> + }
> +
> + if (trate > rate)
> + test_min = tssc + 1;
> + else
> + test_max = tssc - 1;
> + }
> +
> + if (trate != 0)
> + *ssc_syn_set = test_min;
> +
> + return trate;
> +}
> +
> +static int fpll_find_rate(struct cv1800_clk_pll *pll,
> + const struct cv1800_clk_pll_limit *limit,
> + unsigned long prate,
> + unsigned long *rate,
> + u32 *value, u32 *ssc_syn_set)
> +{
> + unsigned long best_rate = 0;
> + unsigned long pre_div_sel = 0, div_sel = 0, post_div_sel = 0;
> + unsigned long pre, div, post;
> + unsigned long trate = *rate;
> + u32 detected = *value;
> + unsigned long tmp;
> + bool clk_full = cv1800_clk_checkbit(&pll->common,
> + &pll->pll_syn->clk_half);
> +
> + for_each_pll_limit_range(pre, &limit->pre_div) {
> + for_each_pll_limit_range(post, &limit->post_div) {
> + for_each_pll_limit_range(div, &limit->div) {
> + tmp = fpll_find_synthesizer(prate, trate,
> + pre, div, post,
> + clk_full,
> + ssc_syn_set);
> +
> + if ((trate - tmp) < (trate - best_rate)) {
> + best_rate = tmp;
> + pre_div_sel = pre;
> + div_sel = div;
> + post_div_sel = post;
> + }
> + }
> + }
> + }
> +
> + if (best_rate) {
> + detected = PLL_SET_PRE_DIV_SEL(detected, pre_div_sel);
> + detected = PLL_SET_POST_DIV_SEL(detected, post_div_sel);
> + detected = PLL_SET_DIV_SEL(detected, div_sel);
> + *value = detected;
> + *rate = best_rate;
> + return 0;
> + }
> +
> + return -EINVAL;
> +}
> +
> +static int fpll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> + u32 val, ssc_syn_set;
> +
> + if (!fpll_is_factional_mode(pll))
> + return ipll_determine_rate(hw, req);
> +
> + fpll_find_rate(pll, &pll->pll_limit[2], req->best_parent_rate,
> + &req->rate, &val, &ssc_syn_set);
> +
> + return 0;
> +}
> +
> +static bool fpll_check_mode_ctrl_restrict(unsigned long div_sel,
> + unsigned long ictrl,
> + unsigned long mode)
> +{
> + unsigned long left_rest = 10 * div_sel;
> + unsigned long right_rest = 24 * div_sel;
> + unsigned long test = 184 * (1 + mode) * (1 + ictrl) / 2;
> +
> + return test > left_rest && test <= right_rest;
> +}
> +
> +static int fpll_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + u32 regval;
> + u32 detected = 0, detected_ssc = 0;
> + unsigned long flags;
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + if (!fpll_is_factional_mode(pll))
> + return ipll_set_rate(hw, rate, parent_rate);
> +
> + fpll_find_rate(pll, &pll->pll_limit[2], parent_rate,
> + &rate, &detected, &detected_ssc);
> + pll_get_mode_ctrl(PLL_GET_DIV_SEL(detected),
> + fpll_check_mode_ctrl_restrict,
> + pll->pll_limit, &detected);
> +
> + spin_lock_irqsave(pll->common.lock, flags);
> +
> + writel(detected_ssc, pll->common.base + pll->pll_syn->set);
> +
> + regval = readl(pll->common.base + pll->pll_reg);
> + regval = PLL_COPY_REG(regval, detected);
> +
> + writel(regval, pll->common.base + pll->pll_reg);
> +
> + spin_unlock_irqrestore(pll->common.lock, flags);
> +
> + cv1800_clk_wait_for_lock(&pll->common, pll->pll_status.reg,
> + BIT(pll->pll_status.shift));
> +
> + return 0;
> +}
> +
> +static u8 fpll_get_parent(struct clk_hw *hw)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> +
> + if (fpll_is_factional_mode(pll))
> + return 1;
> +
> + return 0;
> +}
> +
> +static int fpll_set_parent(struct clk_hw *hw, u8 index)
> +{
> + struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
> + unsigned long flags;
> +
> + spin_lock_irqsave(pll->common.lock, flags);
> +
> + if (index)
> + cv1800_clk_setbit(&pll->common, &pll->pll_syn->en);
> + else
> + cv1800_clk_clearbit(&pll->common, &pll->pll_syn->en);
> +
> + spin_unlock_irqrestore(pll->common.lock, flags);
> +
> + return 0;
> +}
> +
> +const struct clk_ops cv1800_clk_fpll_ops = {
> + .disable = pll_disable,
> + .enable = pll_enable,
> + .is_enabled = pll_is_enable,
> +
> + .recalc_rate = fpll_recalc_rate,
> + .determine_rate = fpll_determine_rate,
> + .set_rate = fpll_set_rate,
> +
> + .set_parent = fpll_set_parent,
> + .get_parent = fpll_get_parent,
> +};
> diff --git a/drivers/clk/sophgo/clk-cv18xx-pll.h b/drivers/clk/sophgo/clk-cv18xx-pll.h
> new file mode 100644
> index 000000000000..5f876efe48d5
> --- /dev/null
> +++ b/drivers/clk/sophgo/clk-cv18xx-pll.h
> @@ -0,0 +1,119 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> + */
> +
> +#ifndef _CLK_SOPHGO_CV1800_PLL_H_
> +#define _CLK_SOPHGO_CV1800_PLL_H_
> +
> +#include "clk-cv18xx-common.h"
> +
> +struct cv1800_clk_pll_limit {
> + struct {
> + u8 min;
> + u8 max;
> + } pre_div, div, post_div, ictrl, mode;
> +};
> +
> +#define _CV1800_PLL_LIMIT(_min, _max) \
> + { \
> + .min = _min, \
> + .max = _max, \
> + } \
> +
> +#define for_each_pll_limit_range(_var, _restrict) \
> + for (_var = (_restrict)->min; _var <= (_restrict)->max; _var++)
> +
> +struct cv1800_clk_pll_synthesizer {
> + struct cv1800_clk_regbit en;
> + struct cv1800_clk_regbit clk_half;
> + u32 ctrl;
> + u32 set;
> +};
> +
> +#define _PLL_PRE_DIV_SEL_FIELD GENMASK(6, 0)
> +#define _PLL_POST_DIV_SEL_FIELD GENMASK(14, 8)
> +#define _PLL_SEL_MODE_FIELD GENMASK(16, 15)
> +#define _PLL_DIV_SEL_FIELD GENMASK(23, 17)
> +#define _PLL_ICTRL_FIELD GENMASK(26, 24)
> +
> +#define _PLL_ALL_FIELD_MASK \
> + (_PLL_PRE_DIV_SEL_FIELD | \
> + _PLL_POST_DIV_SEL_FIELD | \
> + _PLL_SEL_MODE_FIELD | \
> + _PLL_DIV_SEL_FIELD | \
> + _PLL_ICTRL_FIELD)
> +
> +#define PLL_COPY_REG(_dest, _src) \
> + (((_dest) & (~_PLL_ALL_FIELD_MASK)) | ((_src) & _PLL_ALL_FIELD_MASK))
> +
> +#define PLL_GET_PRE_DIV_SEL(_reg) \
> + FIELD_GET(_PLL_PRE_DIV_SEL_FIELD, (_reg))
> +#define PLL_GET_POST_DIV_SEL(_reg) \
> + FIELD_GET(_PLL_POST_DIV_SEL_FIELD, (_reg))
> +#define PLL_GET_SEL_MODE(_reg) \
> + FIELD_GET(_PLL_SEL_MODE_FIELD, (_reg))
> +#define PLL_GET_DIV_SEL(_reg) \
> + FIELD_GET(_PLL_DIV_SEL_FIELD, (_reg))
> +#define PLL_GET_ICTRL(_reg) \
> + FIELD_GET(_PLL_ICTRL_FIELD, (_reg))
> +
> +#define PLL_SET_PRE_DIV_SEL(_reg, _val) \
> + _CV1800_SET_FIELD((_reg), (_val), _PLL_PRE_DIV_SEL_FIELD)
> +#define PLL_SET_POST_DIV_SEL(_reg, _val) \
> + _CV1800_SET_FIELD((_reg), (_val), _PLL_POST_DIV_SEL_FIELD)
> +#define PLL_SET_SEL_MODE(_reg, _val) \
> + _CV1800_SET_FIELD((_reg), (_val), _PLL_SEL_MODE_FIELD)
> +#define PLL_SET_DIV_SEL(_reg, _val) \
> + _CV1800_SET_FIELD((_reg), (_val), _PLL_DIV_SEL_FIELD)
> +#define PLL_SET_ICTRL(_reg, _val) \
> + _CV1800_SET_FIELD((_reg), (_val), _PLL_ICTRL_FIELD)
> +
> +struct cv1800_clk_pll {
> + struct cv1800_clk_common common;
> + u32 pll_reg;
> + struct cv1800_clk_regbit pll_pwd;
> + struct cv1800_clk_regbit pll_status;
> + const struct cv1800_clk_pll_limit *pll_limit;
> + struct cv1800_clk_pll_synthesizer *pll_syn;
> +};
> +
> +#define CV1800_INTEGRAL_PLL(_name, _parent, _pll_reg, \
> + _pll_pwd_reg, _pll_pwd_shift, \
> + _pll_status_reg, _pll_status_shift, \
> + _pll_limit, _flags) \
> + struct cv1800_clk_pll _name = { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + &cv1800_clk_ipll_ops,\
> + _flags), \
> + .pll_reg = _pll_reg, \
> + .pll_pwd = CV1800_CLK_BIT(_pll_pwd_reg, \
> + _pll_pwd_shift), \
> + .pll_status = CV1800_CLK_BIT(_pll_status_reg, \
> + _pll_status_shift), \
> + .pll_limit = _pll_limit, \
> + .pll_syn = NULL, \
> + }
> +
> +#define CV1800_FACTIONAL_PLL(_name, _parent, _pll_reg, \
> + _pll_pwd_reg, _pll_pwd_shift, \
> + _pll_status_reg, _pll_status_shift, \
> + _pll_limit, _pll_syn, _flags) \
> + struct cv1800_clk_pll _name = { \
> + .common = CV1800_CLK_COMMON(#_name, _parent, \
> + &cv1800_clk_fpll_ops,\
> + _flags), \
> + .pll_reg = _pll_reg, \
> + .pll_pwd = CV1800_CLK_BIT(_pll_pwd_reg, \
> + _pll_pwd_shift), \
> + .pll_status = CV1800_CLK_BIT(_pll_status_reg, \
> + _pll_status_shift), \
> + .pll_limit = _pll_limit, \
> + .pll_syn = _pll_syn, \
> + }
> +
> +
> +extern const struct clk_ops cv1800_clk_ipll_ops;
> +extern const struct clk_ops cv1800_clk_fpll_ops;
> +
> +#endif // _CLK_SOPHGO_CV1800_PLL_H_
> --
> 2.43.0
>
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