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Message-ID: <20231226053848.25089-7-jeeheng.sia@starfivetech.com>
Date: Tue, 26 Dec 2023 13:38:38 +0800
From: Sia Jee Heng <jeeheng.sia@...rfivetech.com>
To: <kernel@...il.dk>, <conor@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <paul.walmsley@...ive.com>,
<palmer@...belt.com>, <aou@...s.berkeley.edu>, <mturquette@...libre.com>,
<sboyd@...nel.org>, <p.zabel@...gutronix.de>,
<emil.renner.berthing@...onical.com>, <hal.feng@...rfivetech.com>,
<xingyu.wu@...rfivetech.com>
CC: <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<jeeheng.sia@...rfivetech.com>, <leyfoon.tan@...rfivetech.com>
Subject: [RFC 06/16] clk: starfive: Add JH8100 System clock generator driver
Add support for JH8100 System clock generator (SYSCRG).
Signed-off-by: Sia Jee Heng <jeeheng.sia@...rfivetech.com>
Reviewed-by: Ley Foon Tan <leyfoon.tan@...rfivetech.com>
---
MAINTAINERS | 8 +
drivers/clk/starfive/Kconfig | 10 +
drivers/clk/starfive/Makefile | 2 +
.../clk/starfive/clk-starfive-jh8100-sys.c | 415 ++++++++++++++++++
drivers/clk/starfive/clk-starfive-jh8100.h | 11 +
5 files changed, 446 insertions(+)
create mode 100644 drivers/clk/starfive/clk-starfive-jh8100-sys.c
create mode 100644 drivers/clk/starfive/clk-starfive-jh8100.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 7cef2d2ef8d7..1ea4a694ed31 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20684,6 +20684,14 @@ F: Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
F: drivers/phy/starfive/phy-jh7110-pcie.c
F: drivers/phy/starfive/phy-jh7110-usb.c
+STARFIVE JH8100 CLOCK DRIVERS
+M: Sia Jee Heng <jeeheng.sia@...rfivetech.com>
+M: Ley Foon Tan <leyfoon.tan@...rfivetech.com>
+S: Maintained
+F: Documentation/devicetree/bindings/clock/starfive,jh81*.yaml
+F: drivers/clk/starfive/clk-starfive-jh81*
+F: include/dt-bindings/clock/starfive?jh81*.h
+
STATIC BRANCH/CALL
M: Peter Zijlstra <peterz@...radead.org>
M: Josh Poimboeuf <jpoimboe@...nel.org>
diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig
index ff8eace36e64..1dddf1415360 100644
--- a/drivers/clk/starfive/Kconfig
+++ b/drivers/clk/starfive/Kconfig
@@ -72,3 +72,13 @@ config CLK_STARFIVE_JH7110_VOUT
help
Say yes here to support the Video-Output clock controller
on the StarFive JH7110 SoC.
+
+config CLK_STARFIVE_JH8100_SYS
+ bool "StarFive JH8100 System clock support"
+ depends on SOC_STARFIVE || COMPILE_TEST
+ select AUXILIARY_BUS
+ select CLK_STARFIVE_COMMON
+ default ARCH_STARFIVE
+ help
+ Say yes here to support the System clock controller on the StarFive JH8100 SoC.
+
diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile
index 012f7ee83f8e..af6903c4f987 100644
--- a/drivers/clk/starfive/Makefile
+++ b/drivers/clk/starfive/Makefile
@@ -10,3 +10,5 @@ obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o
obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o
obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP) += clk-starfive-jh7110-isp.o
obj-$(CONFIG_CLK_STARFIVE_JH7110_VOUT) += clk-starfive-jh7110-vout.o
+
+obj-$(CONFIG_CLK_STARFIVE_JH8100_SYS) += clk-starfive-jh8100-sys.o
diff --git a/drivers/clk/starfive/clk-starfive-jh8100-sys.c b/drivers/clk/starfive/clk-starfive-jh8100-sys.c
new file mode 100644
index 000000000000..6d7e750dce82
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh8100-sys.c
@@ -0,0 +1,415 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH8100 System Clock Driver
+ *
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ *
+ * Author: Jee Heng Sia <jeeheng.sia@...rfivetech.com>
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/auxiliary_bus.h>
+#include <linux/clk-provider.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <soc/starfive/reset-starfive-common.h>
+
+#include <dt-bindings/clock/starfive,jh8100-crg.h>
+
+#include "clk-starfive-jh8100.h"
+
+#define JH8100_SYSCLK_NUM_CLKS (JH8100_SYSCLK_NNE_ICG_EN + 1)
+
+/* external clocks */
+#define JH8100_SYSCLK_OSC (JH8100_SYSCLK_NUM_CLKS + 0)
+#define JH8100_SYSCLK_MCLK_EXT (JH8100_SYSCLK_NUM_CLKS + 1)
+#define JH8100_SYSCLK_PLL0_OUT (JH8100_SYSCLK_NUM_CLKS + 2)
+#define JH8100_SYSCLK_PLL1_OUT (JH8100_SYSCLK_NUM_CLKS + 3)
+#define JH8100_SYSCLK_PLL2_OUT (JH8100_SYSCLK_NUM_CLKS + 4)
+#define JH8100_SYSCLK_PLL3_OUT (JH8100_SYSCLK_NUM_CLKS + 5)
+#define JH8100_SYSCLK_PLL4_OUT (JH8100_SYSCLK_NUM_CLKS + 6)
+#define JH8100_SYSCLK_PLL6_OUT (JH8100_SYSCLK_NUM_CLKS + 7)
+#define JH8100_SYSCLK_PLL7_OUT (JH8100_SYSCLK_NUM_CLKS + 8)
+
+static const struct starfive_clk_data jh8100_syscrg_clk_data[] __initconst = {
+ /* root */
+ STARFIVE__DIV(JH8100_SYSCLK_VDEC_ROOT_PREOSC, "vdec_root_preosc", 10,
+ JH8100_SYSCLK_PLL7_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_VDEC_ROOT, "vdec_root", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_VDEC_ROOT_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_VENC_ROOT_PREOSC, "venc_root_preosc", 10,
+ JH8100_SYSCLK_PLL7_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_VENC_ROOT, "venc_root", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_VENC_ROOT_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_GPU_ROOT, "gpu_root", 7,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_GPU_CORE, "gpu_core", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_GPU_ROOT),
+ STARFIVE__DIV(JH8100_SYSCLK_VOUT_ROOT0_PREOSC, "vout_root0_preosc", 127,
+ JH8100_SYSCLK_PLL1_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_VOUT_ROOT0, "vout_root0", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_VOUT_ROOT0_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_VOUT_ROOT1_PREOSC, "vout_root1_preosc", 127,
+ JH8100_SYSCLK_PLL6_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_VOUT_ROOT1, "vout_root1", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_VOUT_ROOT1_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_VOUT_SCAN_ATS, "vout_scan_ats", 6,
+ JH8100_SYSCLK_PLL3_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_PERH_ROOT_PREOSC, "perh_root_preosc", 4,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_PERH_ROOT, "perh_root", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_PERH_ROOT_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_AXI_200_PREOSC, "axi_200_preosc", 4,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_200, "axi_200", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_200_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_200_GMAC, "axi_200_gmac", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_200_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_AXI_500_PREOSC, "axi_500_preosc", 10,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_500, "axi_500", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX1A, "axi_500_pciex1a", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX1B, "axi_500_pciex1b", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX2, "axi_500_pciex2", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX8, "axi_500_pciex8", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_AXI_400_PREOSC, "axi_400_preosc", 10,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_400, "axi_400", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_400_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_400_APBOOTRAM, "axi_400_apbootram", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_400_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_AXI_125_PREOSC, "axi_125_preosc", 32,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_AXI_125, "axi_125", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_125_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_AHB0_PREOSC, "ahb0_preosc", 15,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_AHB0, "ahb0", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_AHB0_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_APB_BUS_FUNC, "apb_bus_func", 30,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS, "apb_bus", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER0, "apb_bus_per0", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER1, "apb_bus_per1", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER2, "apb_bus_per2", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER3, "apb_bus_per3", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER4, "apb_bus_per4", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER5, "apb_bus_per5", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER6, "apb_bus_per6", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER7, "apb_bus_per7", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER8, "apb_bus_per8", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER9, "apb_bus_per9", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER10, "apb_bus_per10", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__MUX(JH8100_SYSCLK_SPI_CORE_100, "spi_core_100", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC),
+ STARFIVE__DIV(JH8100_SYSCLK_PLL1_DIV2, "pll1_div2", 2,
+ JH8100_SYSCLK_PLL1_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_PLL2_DIV2, "pll2_div2", 2,
+ JH8100_SYSCLK_PLL2_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_PLL3_DIV2, "pll3_div2", 2,
+ JH8100_SYSCLK_PLL3_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_PLL4_DIV2, "pll4_div2", 2,
+ JH8100_SYSCLK_PLL4_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_PLL6_DIV2, "pll6_div2", 2,
+ JH8100_SYSCLK_PLL6_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_PLL7_DIV2, "pll7_div2", 2,
+ JH8100_SYSCLK_PLL7_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_AUDIO_ROOT, "audio_root", 8,
+ JH8100_SYSCLK_PLL2_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_MCLK_INNER, "mclk_inner", 64,
+ JH8100_SYSCLK_AUDIO_ROOT),
+ STARFIVE__MUX(JH8100_SYSCLK_MCLK, "mclk", 2,
+ JH8100_SYSCLK_MCLK_INNER, JH8100_SYSCLK_MCLK_EXT),
+ STARFIVE_GATE(JH8100_SYSCLK_MCLK_OUT, "mclk_out", 0,
+ JH8100_SYSCLK_MCLK_INNER),
+ STARFIVE_MDIV(JH8100_SYSCLK_ISP_2X_PREOSC, "isp_2x_preosc", 8, 2,
+ JH8100_SYSCLK_PLL7_OUT, JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_ISP_2X, "isp_2x", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_ISP_2X_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_ISP_AXI, "isp_axi", 4,
+ JH8100_SYSCLK_ISP_2X),
+ STARFIVE_GDIV(JH8100_SYSCLK_GCLK1, "gclk1", CLK_IS_CRITICAL, 120,
+ JH8100_SYSCLK_PLL1_DIV2),
+ STARFIVE_GDIV(JH8100_SYSCLK_GCLK2, "gclk2", CLK_IS_CRITICAL, 120,
+ JH8100_SYSCLK_PLL2_DIV2),
+ STARFIVE_GDIV(JH8100_SYSCLK_GCLK3, "gclk3", CLK_IS_CRITICAL, 120,
+ JH8100_SYSCLK_PLL3_DIV2),
+ STARFIVE_GDIV(JH8100_SYSCLK_GCLK4, "gclk4", CLK_IS_CRITICAL, 120,
+ JH8100_SYSCLK_PLL4_DIV2),
+ STARFIVE_GDIV(JH8100_SYSCLK_GCLK6, "gclk6", CLK_IS_CRITICAL, 120,
+ JH8100_SYSCLK_PLL6_DIV2),
+ STARFIVE_GDIV(JH8100_SYSCLK_GCLK7, "gclk7", CLK_IS_CRITICAL, 120,
+ JH8100_SYSCLK_PLL7_DIV2),
+ /* flexnoc (se) */
+ STARFIVE__DIV(JH8100_SYSCLK_FLEXNOC0_PREOSC, "flexnoc0_preosc", 8,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_FLEXNOC0, "flexnoc0", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC0_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_FLEXNOC1_PREOSC, "flexnoc1_preosc", 8,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_FLEXNOC1, "flexnoc1", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC1_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_FLEXNOC2_PREOSC, "flexnoc2_preosc", 12,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_FLEXNOC2, "flexnoc2", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC2_PREOSC),
+ STARFIVE__MUX(JH8100_SYSCLK_VDEC_CORE, "vdec_core", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC1_PREOSC),
+ /* img_gpu (se) */
+ STARFIVE_GATE(JH8100_SYSCLK_GPU_CORE_ICG, "gpu_core_icg", 0,
+ JH8100_SYSCLK_GPU_CORE),
+ STARFIVE_GATE(JH8100_SYSCLK_IMG_GPU_CLK_APB, "img_gpu_clk_apb", 0,
+ JH8100_SYSCLK_APB_BUS_PER7),
+ STARFIVE_GATE(JH8100_SYSCLK_IMG_GPU_RTC_TOGGLE, "img_gpu_rtc_toggle", 0,
+ JH8100_SYSCLK_OSC),
+ STARFIVE_GATE(JH8100_SYSCLK_IMG_GPU_TIMER_USC, "img_gpu_timer_usc", 0,
+ JH8100_SYSCLK_OSC),
+ /* hifi4 (se) */
+ STARFIVE__DIV(JH8100_SYSCLK_HIFI4_CORE_PREOSC, "hifi4_core_preosc", 15,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_HIFI4_CORE, "hifi4_core", 2,
+ JH8100_SYSCLK_OSC, JH8100_SYSCLK_HIFI4_CORE_PREOSC),
+ STARFIVE__DIV(JH8100_SYSCLK_E_200_PREOSC, "e_200_preosc", 2,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__MUX(JH8100_SYSCLK_E_200, "e_200", 2, JH8100_SYSCLK_OSC,
+ JH8100_SYSCLK_E_200_PREOSC),
+ /* hd audio */
+ STARFIVE__DIV(JH8100_SYSCLK_HD_AUDIO_48M, "hd_audio_48m", 80,
+ JH8100_SYSCLK_PLL7_OUT),
+ /* dom vout */
+ STARFIVE__DIV(JH8100_SYSCLK_VOUT_DC_CORE, "vout_dc_core", 10,
+ JH8100_SYSCLK_PLL7_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_VOUT_AXI, "vout_axi", 10,
+ JH8100_SYSCLK_PLL7_OUT),
+ /* stg2_usb_wrap (se) */
+ STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_625, "usb_wrap_625", 6,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_480, "usb_wrap_480", 8,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_240, "usb_wrap_240", 2,
+ JH8100_SYSCLK_USB_WRAP_480),
+ STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_60, "usb_wrap_60", 10,
+ JH8100_SYSCLK_USB_WRAP_480),
+ STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_156P25, "usb_wrap_156p25", 4,
+ JH8100_SYSCLK_USB_WRAP_625),
+ STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_312P5, "usb_wrap_312p5", 2,
+ JH8100_SYSCLK_USB_WRAP_625),
+ /* stg */
+ STARFIVE__DIV(JH8100_SYSCLK_USB_125M, "usb_125m", 32,
+ JH8100_SYSCLK_PLL0_OUT),
+ /* Flexnoc (se) */
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_APBOOTRAM, "flexnoc_apbootram", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_400_APBOOTRAM),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1AMST, "flexnoc_pciex1amst", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX1A),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1ASLV, "flexnoc_pciex1aslv", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX1A),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1BMST, "flexnoc_pciex1bmst", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX1B),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1BSLV, "flexnoc_pciex1bslv", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX1B),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX2MST, "flexnoc_pciex2mst", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX2),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX2SLV, "flexnoc_pciex2slv", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX2),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX8MST, "flexnoc_pciex8mst", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX8),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX8SLV, "flexnoc_pciex8slv", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_500_PCIEX8),
+ STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_GMACSYSSLV, "flexnoc_gmacsysslv", CLK_IS_CRITICAL,
+ JH8100_SYSCLK_AXI_200_GMAC),
+ /* gmac1 (se) */
+ STARFIVE__DIV(JH8100_SYSCLK_GMAC_SRC, "gmac_src", 7,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_GMAC1_GTXCLK_TOP, "gmac1_gtxclk_top", 400,
+ JH8100_SYSCLK_PLL0_OUT),
+ STARFIVE__DIV(JH8100_SYSCLK_GMAC1_PTP, "gmac1_ptp", 31,
+ JH8100_SYSCLK_GMAC_SRC),
+ /* hd audio */
+ STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_SYSTEM_CLOCK, "hd_audio_system_clock", 0,
+ JH8100_SYSCLK_APB_BUS_PER7),
+ STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_CLOCK_48, "hd_audio_clock_48", 0,
+ JH8100_SYSCLK_HD_AUDIO_48M),
+ STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_BCLK_POST_OCC_IN, "hd_audio_bclk_post_occ_in", 0,
+ JH8100_SYSCLK_HD_AUDIO_48M),
+ /* nne_vip (se) */
+ STARFIVE_GATE(JH8100_SYSCLK_NNE_VIP_ACLK, "nne_vip_aclk", 0, JH8100_SYSCLK_AXI_500),
+ STARFIVE_GATE(JH8100_SYSCLK_NNE_VIP_HCLK, "nne_vip_hclk", 0, JH8100_SYSCLK_AXI_200),
+ STARFIVE_GMUX(JH8100_SYSCLK_NNE_VIP_CLKCORE, "nne_vip_clkcore", 0, 2,
+ JH8100_SYSCLK_PLL2_OUT, JH8100_SYSCLK_PLL0_OUT),
+ /* icg_en */
+ STARFIVE_GATE(JH8100_SYSCLK_GPU_ICG_EN, "gpu_en", 0, JH8100_SYSCLK_GPU_CORE),
+ STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_ICG_EN, "hd_audio_en", 0, JH8100_SYSCLK_APB_BUS),
+ STARFIVE_GATE(JH8100_SYSCLK_NNE_ICG_EN, "nne_en", CLK_IGNORE_UNUSED,
+ JH8100_SYSCLK_PLL2_OUT),
+};
+
+static struct clk_hw *jh8100_sysclk_get(struct of_phandle_args *clkspec, void *data)
+{
+ struct starfive_clk_priv *priv = data;
+ unsigned int idx = clkspec->args[0];
+
+ if (idx < JH8100_SYSCLK_NUM_CLKS)
+ return &priv->reg[idx].hw;
+
+ return ERR_PTR(-EINVAL);
+}
+
+static void jh8100_reset_unregister_adev(void *_adev)
+{
+ struct auxiliary_device *adev = _adev;
+
+ auxiliary_device_delete(adev);
+ auxiliary_device_uninit(adev);
+}
+
+static void jh8100_reset_adev_release(struct device *dev)
+{
+ struct auxiliary_device *adev = to_auxiliary_dev(dev);
+ struct starfive_reset_adev *rdev = to_starfive_reset_adev(adev);
+
+ kfree(rdev);
+}
+
+int jh8100_reset_controller_register(struct starfive_clk_priv *priv,
+ const char *adev_name,
+ u32 adev_id)
+{
+ struct starfive_reset_adev *rdev;
+ struct auxiliary_device *adev;
+ int ret;
+
+ rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
+ if (!rdev)
+ return -ENOMEM;
+
+ rdev->base = priv->base;
+
+ adev = &rdev->adev;
+ adev->name = adev_name;
+ adev->dev.parent = priv->dev;
+ adev->dev.release = jh8100_reset_adev_release;
+ adev->id = adev_id;
+
+ ret = auxiliary_device_init(adev);
+ if (ret)
+ return ret;
+
+ ret = auxiliary_device_add(adev);
+ if (ret) {
+ auxiliary_device_uninit(adev);
+ return ret;
+ }
+
+ return devm_add_action_or_reset(priv->dev,
+ jh8100_reset_unregister_adev, adev);
+}
+EXPORT_SYMBOL_GPL(jh8100_reset_controller_register);
+
+static int __init jh8100_syscrg_probe(struct platform_device *pdev)
+{
+ struct starfive_clk_priv *priv;
+ unsigned int idx;
+ int ret;
+
+ priv = devm_kzalloc(&pdev->dev,
+ struct_size(priv, reg, JH8100_SYSCLK_NUM_CLKS),
+ GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ spin_lock_init(&priv->rmw_lock);
+ priv->dev = &pdev->dev;
+ priv->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(priv->base))
+ return PTR_ERR(priv->base);
+
+ for (idx = 0; idx < JH8100_SYSCLK_NUM_CLKS; idx++) {
+ u32 max = jh8100_syscrg_clk_data[idx].max;
+ struct clk_parent_data parents[4] = {};
+ struct clk_init_data init = {
+ .name = jh8100_syscrg_clk_data[idx].name,
+ .ops = starfive_clk_ops(max),
+ .parent_data = parents,
+ .num_parents =
+ ((max & STARFIVE_CLK_MUX_MASK) >> STARFIVE_CLK_MUX_SHIFT) + 1,
+ .flags = jh8100_syscrg_clk_data[idx].flags,
+ };
+ struct starfive_clk *clk = &priv->reg[idx];
+ unsigned int i;
+
+ for (i = 0; i < init.num_parents; i++) {
+ unsigned int pidx = jh8100_syscrg_clk_data[idx].parents[i];
+
+ if (pidx < JH8100_SYSCLK_NUM_CLKS)
+ parents[i].hw = &priv->reg[pidx].hw;
+ else if (pidx == JH8100_SYSCLK_OSC)
+ parents[i].fw_name = "osc";
+ else if (pidx == JH8100_SYSCLK_MCLK_EXT)
+ parents[i].fw_name = "mclk-ext";
+ else if (pidx == JH8100_SYSCLK_PLL0_OUT)
+ parents[i].fw_name = "pll0";
+ else if (pidx == JH8100_SYSCLK_PLL1_OUT)
+ parents[i].fw_name = "pll1";
+ else if (pidx == JH8100_SYSCLK_PLL2_OUT)
+ parents[i].fw_name = "pll2";
+ else if (pidx == JH8100_SYSCLK_PLL3_OUT)
+ parents[i].fw_name = "pll3";
+ else if (pidx == JH8100_SYSCLK_PLL4_OUT)
+ parents[i].fw_name = "pll4";
+ else if (pidx == JH8100_SYSCLK_PLL6_OUT)
+ parents[i].fw_name = "pll6";
+ else
+ parents[i].fw_name = "pll7";
+ }
+
+ clk->hw.init = &init;
+ clk->idx = idx;
+ clk->max_div = max & STARFIVE_CLK_DIV_MASK;
+
+ ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
+ if (ret)
+ return ret;
+ }
+
+ ret = devm_of_clk_add_hw_provider(&pdev->dev, jh8100_sysclk_get, priv);
+ if (ret)
+ return ret;
+
+ return jh8100_reset_controller_register(priv, "rst-sys", 0);
+}
+
+static const struct of_device_id jh8100_syscrg_match[] = {
+ { .compatible = "starfive,jh8100-syscrg" },
+ { /* sentinel */ }
+};
+
+static struct platform_driver jh8100_syscrg_driver = {
+ .driver = {
+ .name = "clk-starfive-jh8100-sys",
+ .of_match_table = jh8100_syscrg_match,
+ .suppress_bind_attrs = true,
+ },
+};
+builtin_platform_driver_probe(jh8100_syscrg_driver, jh8100_syscrg_probe);
diff --git a/drivers/clk/starfive/clk-starfive-jh8100.h b/drivers/clk/starfive/clk-starfive-jh8100.h
new file mode 100644
index 000000000000..9b69a56fe5fc
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh8100.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CLK_STARFIVE_JH8100_H
+#define __CLK_STARFIVE_JH8100_H
+
+#include "clk-starfive-common.h"
+
+int jh8100_reset_controller_register(struct starfive_clk_priv *priv,
+ const char *adev_name,
+ u32 adev_id);
+
+#endif
--
2.34.1
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