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Message-ID: <20241028053018.2579200-4-ryan_chen@aspeedtech.com>
Date: Mon, 28 Oct 2024 13:30:18 +0800
From: Ryan Chen <ryan_chen@...eedtech.com>
To: <ryan_chen@...eedtech.com>, <lee@...nel.org>, <robh@...nel.org>,
<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <joel@....id.au>,
<andrew@...econstruct.com.au>, <mturquette@...libre.com>, <sboyd@...nel.org>,
<p.zabel@...gutronix.de>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <linux-aspeed@...ts.ozlabs.org>,
<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<dmitry.baryshkov@...aro.org>
Subject: [PATCH v7 3/3] clk: aspeed: add AST2700 clock driver.
Add AST2700 clock controller driver and also use axiliary
device framework register the reset controller driver.
Due to clock and reset using the same register region.
Signed-off-by: Ryan Chen <ryan_chen@...eedtech.com>
---
drivers/clk/Kconfig | 8 +
drivers/clk/Makefile | 1 +
drivers/clk/clk-ast2700.c | 1513 +++++++++++++++++++++++++++++++++++++
3 files changed, 1522 insertions(+)
create mode 100644 drivers/clk/clk-ast2700.c
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 983ef4f36d8c..4cc35ecba1c0 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -269,6 +269,14 @@ config COMMON_CLK_ASPEED
The G4 and G5 series, including the ast2400 and ast2500, are supported
by this driver.
+config COMMON_CLK_AST2700
+ bool "Clock driver for AST2700 SoC"
+ depends on ARCH_ASPEED || COMPILE_TEST
+ help
+ This driver provides support for clock on AST2700 SoC.
+ The driver is responsible for managing the various clocks required
+ by the peripherals and cores within the AST2700.
+
config COMMON_CLK_S2MPS11
tristate "Clock driver for S2MPS1X/S5M8767 MFD"
depends on MFD_SEC_CORE || COMPILE_TEST
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index f793a16cad40..fe95203c3138 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_COMMON_CLK_FSL_SAI) += clk-fsl-sai.o
obj-$(CONFIG_COMMON_CLK_GEMINI) += clk-gemini.o
obj-$(CONFIG_COMMON_CLK_ASPEED) += clk-aspeed.o
obj-$(CONFIG_MACH_ASPEED_G6) += clk-ast2600.o
+obj-$(CONFIG_COMMON_CLK_AST2700) += clk-ast2700.o
obj-$(CONFIG_ARCH_HIGHBANK) += clk-highbank.o
obj-$(CONFIG_CLK_HSDK) += clk-hsdk-pll.o
obj-$(CONFIG_COMMON_CLK_K210) += clk-k210.o
diff --git a/drivers/clk/clk-ast2700.c b/drivers/clk/clk-ast2700.c
new file mode 100644
index 000000000000..db9ee5031b7c
--- /dev/null
+++ b/drivers/clk/clk-ast2700.c
@@ -0,0 +1,1513 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2024 ASPEED Technology Inc.
+ * Author: Ryan Chen <ryan_chen@...eedtech.com>
+ */
+
+#include <linux/auxiliary_bus.h>
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/units.h>
+
+#include <dt-bindings/clock/aspeed,ast2700-scu.h>
+#include <soc/aspeed/reset-aspeed.h>
+
+#define SCU_CLK_12MHZ (12 * HZ_PER_MHZ)
+#define SCU_CLK_24MHZ (24 * HZ_PER_MHZ)
+#define SCU_CLK_25MHZ (25 * HZ_PER_MHZ)
+#define SCU_CLK_192MHZ (192 * HZ_PER_MHZ)
+
+/* SOC0 */
+#define SCU0_HWSTRAP1 0x010
+#define SCU0_CLK_STOP 0x240
+#define SCU0_CLK_SEL1 0x280
+#define SCU0_CLK_SEL2 0x284
+#define GET_USB_REFCLK_DIV(x) ((GENMASK(23, 20) & (x)) >> 20)
+#define UART_DIV13_EN BIT(30)
+#define SCU0_HPLL_PARAM 0x300
+#define SCU0_DPLL_PARAM 0x308
+#define SCU0_MPLL_PARAM 0x310
+#define SCU0_D0CLK_PARAM 0x320
+#define SCU0_D1CLK_PARAM 0x330
+#define SCU0_CRT0CLK_PARAM 0x340
+#define SCU0_CRT1CLK_PARAM 0x350
+#define SCU0_MPHYCLK_PARAM 0x360
+
+/* SOC1 */
+#define SCU1_REVISION_ID 0x0
+#define REVISION_ID GENMASK(23, 16)
+#define SCU1_CLK_STOP 0x240
+#define SCU1_CLK_STOP2 0x260
+#define SCU1_CLK_SEL1 0x280
+#define SCU1_CLK_SEL2 0x284
+#define UXCLK_MASK GENMASK(1, 0)
+#define HUXCLK_MASK GENMASK(4, 3)
+#define SCU1_HPLL_PARAM 0x300
+#define SCU1_APLL_PARAM 0x310
+#define SCU1_DPLL_PARAM 0x320
+#define SCU1_UXCLK_CTRL 0x330
+#define SCU1_HUXCLK_CTRL 0x334
+#define SCU1_MAC12_CLK_DLY 0x390
+#define SCU1_MAC12_CLK_DLY_100M 0x394
+#define SCU1_MAC12_CLK_DLY_10M 0x398
+
+enum {
+ CLK_MUX,
+ CLK_PLL,
+ CLK_GATE,
+ CLK_MISC,
+ CLK_FIXED,
+ CLK_DIVIDER,
+ CLK_UART_PLL,
+ CLK_DIV_TABLE,
+ CLK_FIXED_FACTOR,
+ CLK_GATE_ASPEED,
+};
+
+struct ast2700_clk_info {
+ const char *name;
+ const char * const *parent_names;
+ const struct clk_div_table *div_table;
+ unsigned long fixed_rate;
+ unsigned int mult;
+ unsigned int div;
+ u32 reg;
+ u32 flags;
+ u32 type;
+ u8 clk_idx;
+ u8 bit_shift;
+ u8 bit_width;
+ u8 num_parents;
+};
+
+struct ast2700_clk_data {
+ struct ast2700_clk_info const *clk_info;
+ unsigned int nr_clks;
+ const int scu;
+};
+
+struct ast2700_clk_ctrl {
+ const struct ast2700_clk_data *clk_data;
+ struct device *dev;
+ void __iomem *base;
+ spinlock_t lock; /* clk lock */
+};
+
+static const struct clk_div_table ast2700_rgmii_div_table[] = {
+ { 0x0, 4 },
+ { 0x1, 4 },
+ { 0x2, 6 },
+ { 0x3, 8 },
+ { 0x4, 10 },
+ { 0x5, 12 },
+ { 0x6, 14 },
+ { 0x7, 16 },
+ { 0 }
+};
+
+static const struct clk_div_table ast2700_rmii_div_table[] = {
+ { 0x0, 8 },
+ { 0x1, 8 },
+ { 0x2, 12 },
+ { 0x3, 16 },
+ { 0x4, 20 },
+ { 0x5, 24 },
+ { 0x6, 28 },
+ { 0x7, 32 },
+ { 0 }
+};
+
+static const struct clk_div_table ast2700_clk_div_table[] = {
+ { 0x0, 2 },
+ { 0x1, 2 },
+ { 0x2, 3 },
+ { 0x3, 4 },
+ { 0x4, 5 },
+ { 0x5, 6 },
+ { 0x6, 7 },
+ { 0x7, 8 },
+ { 0 }
+};
+
+static const struct clk_div_table ast2700_clk_div_table2[] = {
+ { 0x0, 2 },
+ { 0x1, 4 },
+ { 0x2, 6 },
+ { 0x3, 8 },
+ { 0x4, 10 },
+ { 0x5, 12 },
+ { 0x6, 14 },
+ { 0x7, 16 },
+ { 0 }
+};
+
+static const struct clk_div_table ast2700_clk_uart_div_table[] = {
+ { 0x0, 1 },
+ { 0x1, 13 },
+ { 0 }
+};
+
+static const struct ast2700_clk_info ast2700_scu0_clk_info[] __initconst = {
+ [SCU0_CLKIN] = {
+ .type = CLK_FIXED,
+ .name = "soc0-clkin",
+ .fixed_rate = SCU_CLK_25MHZ,
+ },
+ [SCU0_CLK_24M] = {
+ .type = CLK_FIXED,
+ .name = "soc0-clk24Mhz",
+ .fixed_rate = SCU_CLK_24MHZ,
+ },
+ [SCU0_CLK_192M] = {
+ .type = CLK_FIXED,
+ .name = "soc0-clk192Mhz",
+ .fixed_rate = SCU_CLK_192MHZ,
+ },
+ [SCU0_CLK_HPLL] = {
+ .type = CLK_PLL,
+ .name = "soc0-hpll",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_HPLL_PARAM,
+ },
+ [SCU0_CLK_HPLL_DIV2] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc0-hpll_div2",
+ .parent_names = (const char *[]){ "soc0-hpll", },
+ .mult = 1,
+ .div = 2,
+ },
+ [SCU0_CLK_HPLL_DIV4] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc0-hpll_div4",
+ .parent_names = (const char *[]){ "soc0-hpll", },
+ .mult = 1,
+ .div = 4,
+ },
+ [SCU0_CLK_HPLL_DIV_AHB] = {
+ .type = CLK_DIV_TABLE,
+ .name = "soc0-hpll_div_ahb",
+ .parent_names = (const char *[]){ "soc0-hpll", },
+ .reg = SCU0_HWSTRAP1,
+ .bit_shift = 5,
+ .bit_width = 2,
+ .div_table = ast2700_clk_div_table,
+ },
+ [SCU0_CLK_DPLL] = {
+ .type = CLK_PLL,
+ .name = "dpll",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_DPLL_PARAM,
+ },
+ [SCU0_CLK_MPLL] = {
+ .type = CLK_PLL,
+ .name = "soc0-mpll",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_MPLL_PARAM,
+ },
+ [SCU0_CLK_MPLL_DIV2] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc0-mpll_div2",
+ .parent_names = (const char *[]){ "soc0-mpll", },
+ .mult = 1,
+ .div = 2,
+ },
+ [SCU0_CLK_MPLL_DIV4] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc0-mpll_div4",
+ .parent_names = (const char *[]){ "soc0-mpll", },
+ .mult = 1,
+ .div = 4,
+ },
+ [SCU0_CLK_MPLL_DIV8] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc0-mpll_div8",
+ .parent_names = (const char *[]){ "soc0-mpll", },
+ .mult = 1,
+ .div = 8,
+ },
+ [SCU0_CLK_MPLL_DIV_AHB] = {
+ .type = CLK_DIV_TABLE,
+ .name = "soc0-mpll_div_ahb",
+ .parent_names = (const char *[]){ "soc0-mpll", },
+ .reg = SCU0_HWSTRAP1,
+ .bit_shift = 5,
+ .bit_width = 2,
+ .div_table = ast2700_clk_div_table,
+ },
+ [SCU0_CLK_D0] = {
+ .type = CLK_PLL,
+ .name = "d0clk",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_D0CLK_PARAM,
+ },
+ [SCU0_CLK_D1] = {
+ .type = CLK_PLL,
+ .name = "d1clk",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_D1CLK_PARAM,
+ },
+ [SCU0_CLK_CRT0] = {
+ .type = CLK_PLL,
+ .name = "crt0clk",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_CRT0CLK_PARAM,
+ },
+ [SCU0_CLK_CRT1] = {
+ .type = CLK_PLL,
+ .name = "crt1clk",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_CRT1CLK_PARAM,
+ },
+ [SCU0_CLK_MPHY] = {
+ .type = CLK_MISC,
+ .name = "mphyclk",
+ .parent_names = (const char *[]){ "soc0-hpll", },
+ .reg = SCU0_MPHYCLK_PARAM,
+ },
+ [SCU0_CLK_PSP] = {
+ .type = CLK_MUX,
+ .name = "pspclk",
+ .parent_names = (const char *[]){"soc0-mpll", "soc0-hpll", },
+ .num_parents = 2,
+ .reg = SCU0_HWSTRAP1,
+ .bit_shift = 4,
+ .bit_width = 1,
+ },
+ [SCU0_CLK_AXI0] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "axi0clk",
+ .parent_names = (const char *[]){"pspclk", },
+ .mult = 1,
+ .div = 2,
+ },
+ [SCU0_CLK_AHB] = {
+ .type = CLK_MUX,
+ .name = "soc0-ahb",
+ .parent_names = (const char *[]){"soc0-mpll_div_ahb", "soc0-hspll_div_ahb", },
+ .num_parents = 2,
+ .reg = SCU0_HWSTRAP1,
+ .bit_shift = 7,
+ .bit_width = 1,
+ },
+ [SCU0_CLK_AXI1] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "axi1clk",
+ .parent_names = (const char *[]){ "soc0-ahb", },
+ .mult = 1,
+ .div = 2,
+ },
+ [SCU0_CLK_APB] = {
+ .type = CLK_DIV_TABLE,
+ .name = "soc0-apb",
+ .parent_names = (const char *[]){ "axi0clk", },
+ .reg = SCU0_CLK_SEL1,
+ .bit_shift = 23,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table2,
+ },
+ [SCU0_CLK_GATE_MCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "mclk-gate",
+ .parent_names = (const char *[]){ "soc0-mpll", },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 0,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_ECLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "eclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 1,
+ },
+ [SCU0_CLK_GATE_2DCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "gclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 2,
+ },
+ [SCU0_CLK_GATE_VCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "vclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 3,
+ },
+ [SCU0_CLK_GATE_BCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "bclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 4,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_VGA0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "vga0clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 5,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_REFCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "soc0-refclk-gate",
+ .parent_names = (const char *[]){ "soc0-clkin", },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 6,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_U2PHY_REFCLK] = {
+ .type = CLK_MISC,
+ .name = "u2phy_refclk",
+ .parent_names = (const char *[]){ "soc0-mpll_div8", },
+ .reg = SCU0_CLK_SEL2,
+ },
+ [SCU0_CLK_U2PHY_CLK12M] = {
+ .type = CLK_FIXED,
+ .name = "u2phy_clk12m",
+ .parent_names = (const char *[]){ },
+ .fixed_rate = SCU_CLK_12MHZ,
+ },
+ [SCU0_CLK_GATE_PORTBUSB2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "portb-usb2clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 7,
+ },
+ [SCU0_CLK_GATE_UHCICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uhciclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 9,
+ },
+ [SCU0_CLK_GATE_VGA1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "vga1clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 10,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_DDRPHYCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "ddrphy-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 11,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_E2M0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "e2m0clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 12,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_HACCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "hacclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 13,
+ },
+ [SCU0_CLK_GATE_PORTAUSB2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "porta-usb2clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 14,
+ },
+ [SCU0_CLK_UART] = {
+ .type = CLK_MUX,
+ .name = "soc0-uartclk",
+ .parent_names = (const char *[]){"soc0-clk24Mhz", "soc0-clk192Mhz", },
+ .num_parents = 2,
+ .reg = SCU0_CLK_SEL2,
+ .bit_shift = 14,
+ .bit_width = 1,
+ },
+ [SCU0_CLK_UART4] = {
+ .type = CLK_DIV_TABLE,
+ .name = "uart4clk",
+ .parent_names = (const char *[]){ "soc0-uartclk", },
+ .reg = SCU0_CLK_SEL2,
+ .bit_shift = 30,
+ .bit_width = 1,
+ .div_table = ast2700_clk_uart_div_table,
+ },
+ [SCU0_CLK_GATE_UART4CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart4clk-gate",
+ .parent_names = (const char *[]){"uart4clk" },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 15,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_SLICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "soc0-sliclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 16,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_DACCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "dacclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 17,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_DP] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "dpclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 18,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_E2M1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "e2m1clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 19,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU0_CLK_GATE_CRT0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "crt0clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 20,
+ },
+ [SCU0_CLK_GATE_CRT1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "crt1clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 21,
+ },
+ [SCU0_CLK_GATE_ECDSACLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "eccclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 23,
+ },
+ [SCU0_CLK_GATE_RSACLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "rsaclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 24,
+ },
+ [SCU0_CLK_GATE_RVAS0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "rvasclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 25,
+ },
+ [SCU0_CLK_GATE_UFSCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "ufsclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 26,
+ },
+ [SCU0_CLK_EMMCMUX] = {
+ .type = CLK_MUX,
+ .name = "emmcsrc-mux",
+ .parent_names = (const char *[]){"soc0-mpll_div4", "soc0-hpll_div4", },
+ .num_parents = 2,
+ .reg = SCU0_CLK_SEL1,
+ .bit_shift = 11,
+ .bit_width = 1,
+ },
+ [SCU0_CLK_EMMC] = {
+ .type = CLK_DIV_TABLE,
+ .name = "emmcclk",
+ .parent_names = (const char *[]){ "emmcsrc-mux", },
+ .reg = SCU0_CLK_SEL1,
+ .bit_shift = 12,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table2,
+ },
+ [SCU0_CLK_GATE_EMMCCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "emmcclk-gate",
+ .parent_names = (const char *[]){ "emmcclk", },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 27,
+ },
+ [SCU0_CLK_GATE_RVAS1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "rvas2clk-gate",
+ .parent_names = (const char *[]){ "emmcclk", },
+ .reg = SCU0_CLK_STOP,
+ .clk_idx = 28,
+ },
+};
+
+static const struct ast2700_clk_info ast2700_scu1_clk_info[] __initconst = {
+ [SCU1_CLKIN] = {
+ .type = CLK_FIXED,
+ .name = "soc1-clkin",
+ .fixed_rate = SCU_CLK_25MHZ,
+ },
+ [SCU1_CLK_HPLL] = {
+ .type = CLK_PLL,
+ .name = "soc1-hpll",
+ .parent_names = (const char *[]){ "soc1-clkin", },
+ .reg = SCU1_HPLL_PARAM,
+ },
+ [SCU1_CLK_APLL] = {
+ .type = CLK_PLL,
+ .name = "soc1-apll",
+ .parent_names = (const char *[]){ "soc1-clkin", },
+ .reg = SCU1_APLL_PARAM,
+ },
+ [SCU1_CLK_APLL_DIV2] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc1-apll_div2",
+ .parent_names = (const char *[]){ "soc1-apll", },
+ .mult = 1,
+ .div = 2,
+ },
+ [SCU1_CLK_APLL_DIV4] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "soc1-apll_div4",
+ .parent_names = (const char *[]){ "soc1-apll", },
+ .mult = 1,
+ .div = 4,
+ },
+ [SCU1_CLK_DPLL] = {
+ .type = CLK_PLL,
+ .name = "soc1-dpll",
+ .parent_names = (const char *[]){ "soc1-clkin", },
+ .reg = SCU1_DPLL_PARAM,
+ },
+ [SCU1_CLK_UXCLK] = {
+ .type = CLK_MUX,
+ .name = "uxclk",
+ .parent_names = (const char *[]){ "soc1-apll_div4", "soc1-apll_div2",
+ "soc1-apll", "soc1-hpll",},
+ .num_parents = 4,
+ .reg = SCU1_CLK_SEL2,
+ .bit_shift = 0,
+ .bit_width = 2,
+ },
+ [SCU1_CLK_UARTX] = {
+ .type = CLK_UART_PLL,
+ .name = "uartxclk",
+ .parent_names = (const char *[]){ "uxclk", },
+ .reg = SCU1_UXCLK_CTRL,
+ },
+ [SCU1_CLK_HUXCLK] = {
+ .type = CLK_MUX,
+ .name = "huxclk",
+ .parent_names = (const char *[]){"soc1-apll_div4", "soc1-apll_div2",
+ "soc1-apll", "soc1-hpll",},
+ .num_parents = 4,
+ .reg = SCU1_CLK_SEL2,
+ .bit_shift = 3,
+ .bit_width = 2,
+ },
+ [SCU1_CLK_HUARTX] = {
+ .type = CLK_UART_PLL,
+ .name = "huartxclk",
+ .parent_names = (const char *[]){ "huxclk", },
+ .reg = SCU1_HUXCLK_CTRL,
+ },
+ [SCU1_CLK_AHB] = {
+ .type = CLK_DIV_TABLE,
+ .name = "soc1-ahb",
+ .parent_names = (const char *[]){"soc1-hpll", },
+ .reg = SCU1_CLK_SEL2,
+ .bit_shift = 20,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table,
+ },
+ [SCU1_CLK_APB] = {
+ .type = CLK_DIV_TABLE,
+ .name = "soc1-apb",
+ .parent_names = (const char *[]){"soc1-hpll", },
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 18,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table2,
+ },
+ [SCU1_CLK_RMII] = {
+ .type = CLK_DIV_TABLE,
+ .name = "rmii",
+ .parent_names = (const char *[]){"soc1-hpll", },
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 21,
+ .bit_width = 3,
+ .div_table = ast2700_rmii_div_table,
+ },
+ [SCU1_CLK_MAC0RCLK] = {
+ .type = CLK_GATE,
+ .name = "mac0rclk-gate",
+ .parent_names = (const char *[]){ "rmii", },
+ .reg = SCU1_MAC12_CLK_DLY,
+ .clk_idx = 29,
+ },
+ [SCU1_CLK_MAC1RCLK] = {
+ .type = CLK_GATE,
+ .name = "mac1rclk-gate",
+ .parent_names = (const char *[]){ "rmii", },
+ .reg = SCU1_MAC12_CLK_DLY,
+ .clk_idx = 30,
+ },
+ [SCU1_CLK_RGMII] = {
+ .type = CLK_DIV_TABLE,
+ .name = "rgmii",
+ .parent_names = (const char *[]){"soc1-hpll", },
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 25,
+ .bit_width = 3,
+ .div_table = ast2700_rgmii_div_table,
+ },
+ [SCU1_CLK_MACHCLK] = {
+ .type = CLK_DIV_TABLE,
+ .name = "machclk",
+ .parent_names = (const char *[]){"soc1-hpll", },
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 29,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table,
+ },
+ [SCU1_CLK_GATE_LCLK0] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "lclk0-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 0,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_LCLK1] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "lclk1-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 1,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_ESPI0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "espi0clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 2,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_ESPI1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "espi1clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 3,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_APLL_DIVN] = {
+ .type = CLK_DIV_TABLE,
+ .name = "soc1-apll_divn",
+ .parent_names = (const char *[]){"soc1-apll", },
+ .reg = SCU1_CLK_SEL2,
+ .bit_shift = 8,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table,
+ },
+ [SCU1_CLK_SDMUX] = {
+ .type = CLK_MUX,
+ .name = "sdclk-mux",
+ .parent_names = (const char *[]){ "soc1-hpll", "soc1-apll", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 13,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_SDCLK] = {
+ .type = CLK_DIV_TABLE,
+ .name = "sdclk",
+ .parent_names = (const char *[]){"sdclk-mux", },
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 14,
+ .bit_width = 3,
+ .div_table = ast2700_clk_div_table,
+ },
+ [SCU1_CLK_GATE_SDCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "sdclk-gate",
+ .parent_names = (const char *[]){"sdclk", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 4,
+ },
+ [SCU1_CLK_GATE_IPEREFCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "soc1-iperefclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 5,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_REFCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "soc1-refclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 6,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_LPCHCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "lpchclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 7,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_MAC0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "mac0clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 8,
+ },
+ [SCU1_CLK_GATE_MAC1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "mac1clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 9,
+ },
+ [SCU1_CLK_GATE_MAC2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "mac2clk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 10,
+ },
+ [SCU1_CLK_UART0] = {
+ .type = CLK_MUX,
+ .name = "uart0clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 0,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart0clk-gate",
+ .parent_names = (const char *[]){ "uart0clk", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 11,
+ },
+ [SCU1_CLK_UART1] = {
+ .type = CLK_MUX,
+ .name = "uart1clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 1,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart1clk-gate",
+ .parent_names = (const char *[]){ "uart1clk", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 12,
+ },
+ [SCU1_CLK_UART2] = {
+ .type = CLK_MUX,
+ .name = "uart2clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 2,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart2clk-gate",
+ .parent_names = (const char *[]){ "uart2clk", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 13,
+ },
+ [SCU1_CLK_UART3] = {
+ .type = CLK_MUX,
+ .name = "uart3clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 3,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART3CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart3clk-gate",
+ .parent_names = (const char *[]){ "uart3clk", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 14,
+ },
+ [SCU1_CLK_GATE_I2CCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i2cclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 15,
+ },
+ [SCU1_CLK_GATE_I3C0CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c0clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 16,
+ },
+ [SCU1_CLK_GATE_I3C1CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c1clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 17,
+ },
+ [SCU1_CLK_GATE_I3C2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c2clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 18,
+ },
+ [SCU1_CLK_GATE_I3C3CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c3clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 19,
+ },
+ [SCU1_CLK_GATE_I3C4CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c4clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 20,
+ },
+ [SCU1_CLK_GATE_I3C5CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c5clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 21,
+ },
+ [SCU1_CLK_GATE_I3C6CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c6clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 22,
+ },
+ [SCU1_CLK_GATE_I3C7CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c7clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 23,
+ },
+ [SCU1_CLK_GATE_I3C8CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c8clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 24,
+ },
+ [SCU1_CLK_GATE_I3C9CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c9clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 25,
+ },
+ [SCU1_CLK_GATE_I3C10CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c10clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 26,
+ },
+ [SCU1_CLK_GATE_I3C11CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c11clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 27,
+ },
+ [SCU1_CLK_GATE_I3C12CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c12clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 28,
+ },
+ [SCU1_CLK_GATE_I3C13CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c13clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 29,
+ },
+ [SCU1_CLK_GATE_I3C14CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c14clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 30,
+ },
+ [SCU1_CLK_GATE_I3C15CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "i3c15clk-gate",
+ .parent_names = (const char *[]){ "soc1-ahb", },
+ .reg = SCU1_CLK_STOP,
+ .clk_idx = 31,
+ },
+ [SCU1_CLK_UART5] = {
+ .type = CLK_MUX,
+ .name = "uart5clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 5,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART5CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart5clk-gate",
+ .parent_names = (const char *[]){ "uart5clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 0,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_UART6] = {
+ .type = CLK_MUX,
+ .name = "uart6clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 6,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART6CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart6clk-gate",
+ .parent_names = (const char *[]){ "uart6clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 1,
+ },
+ [SCU1_CLK_UART7] = {
+ .type = CLK_MUX,
+ .name = "uart7clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 7,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART7CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart7clk-gate",
+ .parent_names = (const char *[]){ "uart7clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 2,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_UART8] = {
+ .type = CLK_MUX,
+ .name = "uart8clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 8,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART8CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart8clk-gate",
+ .parent_names = (const char *[]){ "uart8clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 3,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_UART9] = {
+ .type = CLK_MUX,
+ .name = "uart9clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 9,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART9CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart9clk-gate",
+ .parent_names = (const char *[]){ "uart9clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 4,
+ },
+ [SCU1_CLK_UART10] = {
+ .type = CLK_MUX,
+ .name = "uart10clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 10,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART10CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart10clk-gate",
+ .parent_names = (const char *[]){ "uart10clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 5,
+ },
+ [SCU1_CLK_UART11] = {
+ .type = CLK_MUX,
+ .name = "uart11clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 11,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART11CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart11clk-gate",
+ .parent_names = (const char *[]){ "uart11clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 6,
+ },
+ [SCU1_CLK_UART12] = {
+ .type = CLK_MUX,
+ .name = "uart12clk",
+ .parent_names = (const char *[]){"uartxclk", "huartxclk", },
+ .num_parents = 2,
+ .reg = SCU1_CLK_SEL1,
+ .bit_shift = 12,
+ .bit_width = 1,
+ },
+ [SCU1_CLK_GATE_UART12CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "uart12clk-gate",
+ .parent_names = (const char *[]){ "uart12clk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 7,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_UART13] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "uart13clk",
+ .parent_names = (const char *[]){ "huartxclk", },
+ .mult = 1,
+ .div = 1,
+ },
+ [SCU1_CLK_UART14] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "uart14clk",
+ .parent_names = (const char *[]){ "huartxclk", },
+ .mult = 1,
+ .div = 1,
+ },
+ [SCU1_CLK_GATE_FSICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "fsiclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 8,
+ },
+ [SCU1_CLK_GATE_LTPIPHYCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "ltpiphyclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 9,
+ },
+ [SCU1_CLK_GATE_LTPICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "ltpiclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 10,
+ },
+ [SCU1_CLK_GATE_VGALCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "vgalclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 11,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_UHCICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "usbuartclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 12,
+ },
+ [SCU1_CLK_CAN] = {
+ .type = CLK_FIXED_FACTOR,
+ .name = "canclk",
+ .parent_names = (const char *[]){ "soc1-apll", },
+ .mult = 1,
+ .div = 10,
+ },
+ [SCU1_CLK_GATE_CANCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "canclk-gate",
+ .parent_names = (const char *[]){ "canclk", },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 13,
+ },
+ [SCU1_CLK_GATE_PCICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "pciclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 14,
+ },
+ [SCU1_CLK_GATE_SLICLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "soc1-sliclk-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 15,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_E2MCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "soc1-e2m-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 16,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_PORTCUSB2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "portcusb2-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 17,
+ .flags = CLK_IS_CRITICAL,
+ },
+ [SCU1_CLK_GATE_PORTDUSB2CLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "portdusb2-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 18,
+ },
+ [SCU1_CLK_GATE_LTPI1TXCLK] = {
+ .type = CLK_GATE_ASPEED,
+ .name = "ltp1tx-gate",
+ .parent_names = (const char *[]){ },
+ .reg = SCU1_CLK_STOP2,
+ .clk_idx = 19,
+ },
+};
+
+static struct clk_hw *ast2700_clk_hw_register_pll(int clk_idx, void __iomem *reg,
+ const struct ast2700_clk_info *clk,
+ struct ast2700_clk_ctrl *clk_ctrl)
+{
+ int scu = clk_ctrl->clk_data->scu;
+ unsigned int mult, div;
+ u32 val;
+
+ if (!scu && clk_idx == SCU0_CLK_HPLL) {
+ val = readl(clk_ctrl->base + SCU0_HWSTRAP1);
+ if ((val & GENMASK(3, 2)) != 0) {
+ switch ((val & GENMASK(3, 2)) >> 2) {
+ case 1:
+ return devm_clk_hw_register_fixed_rate(clk_ctrl->dev, "soc0-hpll",
+ NULL, 0, 1900000000);
+ case 2:
+ return devm_clk_hw_register_fixed_rate(clk_ctrl->dev, "soc0-hpll",
+ NULL, 0, 1800000000);
+ case 3:
+ return devm_clk_hw_register_fixed_rate(clk_ctrl->dev, "soc0-hpll",
+ NULL, 0, 1700000000);
+ default:
+ return ERR_PTR(-EINVAL);
+ }
+ }
+ }
+
+ val = readl(reg);
+
+ if (val & BIT(24)) {
+ /* Pass through mode */
+ mult = 1;
+ div = 1;
+ } else {
+ u32 m = val & 0x1fff;
+ u32 n = (val >> 13) & 0x3f;
+ u32 p = (val >> 19) & 0xf;
+
+ if (scu) {
+ mult = (m + 1) / (n + 1);
+ div = (p + 1);
+ } else {
+ if (clk_idx == SCU0_CLK_MPLL) {
+ mult = m / (n + 1);
+ div = (p + 1);
+ } else {
+ mult = (m + 1) / (2 * (n + 1));
+ div = (p + 1);
+ }
+ }
+ }
+
+ return devm_clk_hw_register_fixed_factor(clk_ctrl->dev, clk->name,
+ clk->parent_names[0], 0, mult, div);
+}
+
+static struct clk_hw *ast2700_clk_hw_register_uartpll(int clk_idx, void __iomem *reg,
+ const struct ast2700_clk_info *clk,
+ struct ast2700_clk_ctrl *clk_ctrl)
+{
+ unsigned int mult, div;
+ u32 val = readl(reg);
+ u32 r = val & 0xff;
+ u32 n = (val >> 8) & 0x3ff;
+
+ mult = r;
+ div = n * 2;
+
+ return devm_clk_hw_register_fixed_factor(clk_ctrl->dev, clk->name,
+ clk->parent_names[0], 0, mult, div);
+}
+
+static struct clk_hw *ast2700_clk_hw_register_misc(int clk_idx, void __iomem *reg,
+ const struct ast2700_clk_info *clk,
+ struct ast2700_clk_ctrl *clk_ctrl)
+{
+ u32 div = 0;
+
+ if (clk_idx == SCU0_CLK_MPHY)
+ div = readl(reg) + 1;
+ else if (clk_idx == SCU0_CLK_U2PHY_REFCLK)
+ div = (GET_USB_REFCLK_DIV(readl(reg)) + 1) << 1;
+ else
+ return ERR_PTR(-EINVAL);
+
+ return devm_clk_hw_register_fixed_factor(clk_ctrl->dev, clk->name,
+ clk->parent_names[0], clk->flags,
+ 1, div);
+}
+
+static int ast2700_clk_is_enabled(struct clk_hw *hw)
+{
+ struct clk_gate *gate = to_clk_gate(hw);
+ u32 clk = BIT(gate->bit_idx);
+ u32 reg;
+
+ reg = readl(gate->reg);
+
+ return !(reg & clk);
+}
+
+static int ast2700_clk_enable(struct clk_hw *hw)
+{
+ struct clk_gate *gate = to_clk_gate(hw);
+ u32 clk = BIT(gate->bit_idx);
+
+ if (readl(gate->reg) & clk)
+ writel(clk, gate->reg + 0x04);
+
+ return 0;
+}
+
+static void ast2700_clk_disable(struct clk_hw *hw)
+{
+ struct clk_gate *gate = to_clk_gate(hw);
+ u32 clk = BIT(gate->bit_idx);
+
+ /* Clock is set to enable, so use write to set register */
+ writel(clk, gate->reg);
+}
+
+static const struct clk_ops ast2700_clk_gate_ops = {
+ .enable = ast2700_clk_enable,
+ .disable = ast2700_clk_disable,
+ .is_enabled = ast2700_clk_is_enabled,
+};
+
+static struct clk_hw *ast2700_clk_hw_register_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 clock_idx,
+ u8 clk_gate_flags, spinlock_t *lock)
+{
+ struct clk_gate *gate;
+ struct clk_hw *hw;
+ struct clk_init_data init;
+ int ret = -EINVAL;
+
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &ast2700_clk_gate_ops;
+ init.flags = flags;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ init.num_parents = parent_name ? 1 : 0;
+
+ gate->reg = reg;
+ gate->bit_idx = clock_idx;
+ gate->flags = clk_gate_flags;
+ gate->lock = lock;
+ gate->hw.init = &init;
+
+ hw = &gate->hw;
+ ret = clk_hw_register(dev, hw);
+ if (ret) {
+ kfree(gate);
+ hw = ERR_PTR(ret);
+ }
+
+ return hw;
+}
+
+static int ast2700_soc_clk_probe(struct platform_device *pdev)
+{
+ struct ast2700_clk_data *clk_data;
+ struct ast2700_clk_ctrl *clk_ctrl;
+ struct clk_hw_onecell_data *clk_hw_data;
+ struct device *dev = &pdev->dev;
+ void __iomem *clk_base;
+ struct clk_hw **hws;
+ char *reset_name;
+ int ret;
+ int i;
+
+ clk_ctrl = devm_kzalloc(dev, sizeof(*clk_ctrl), GFP_KERNEL);
+ if (!clk_ctrl)
+ return -ENOMEM;
+ clk_ctrl->dev = dev;
+ dev_set_drvdata(&pdev->dev, clk_ctrl);
+
+ spin_lock_init(&clk_ctrl->lock);
+
+ clk_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(clk_base))
+ return PTR_ERR(clk_base);
+
+ clk_ctrl->base = clk_base;
+
+ clk_data = (struct ast2700_clk_data *)of_device_get_match_data(dev);
+ if (!clk_data)
+ return devm_of_platform_populate(dev);
+
+ clk_ctrl->clk_data = clk_data;
+ reset_name = devm_kasprintf(dev, GFP_KERNEL, "reset%d", clk_data->scu);
+
+ clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, clk_data->nr_clks),
+ GFP_KERNEL);
+ if (!clk_hw_data)
+ return -ENOMEM;
+
+ clk_hw_data->num = clk_data->nr_clks;
+ hws = clk_hw_data->hws;
+
+ for (i = 0; i < clk_data->nr_clks; i++) {
+ const struct ast2700_clk_info *clk = &clk_data->clk_info[i];
+ void __iomem *reg = clk_ctrl->base + clk->reg;
+
+ if (clk->type == CLK_FIXED) {
+ hws[i] = devm_clk_hw_register_fixed_rate(dev, clk->name, NULL,
+ clk->flags, clk->fixed_rate);
+ } else if (clk->type == CLK_FIXED_FACTOR) {
+ hws[i] = devm_clk_hw_register_fixed_factor(dev, clk->name,
+ clk->parent_names[0], clk->flags,
+ clk->mult, clk->div);
+ } else if (clk->type == CLK_PLL) {
+ hws[i] = ast2700_clk_hw_register_pll(i, reg, clk, clk_ctrl);
+ } else if (clk->type == CLK_UART_PLL) {
+ hws[i] = ast2700_clk_hw_register_uartpll(i, reg, clk, clk_ctrl);
+ } else if (clk->type == CLK_MUX) {
+ hws[i] = devm_clk_hw_register_mux(dev, clk->name, clk->parent_names,
+ clk->num_parents, clk->flags, reg,
+ clk->bit_shift, clk->bit_width,
+ 0, &clk_ctrl->lock);
+ } else if (clk->type == CLK_MISC) {
+ hws[i] = ast2700_clk_hw_register_misc(i, reg, clk, clk_ctrl);
+ } else if (clk->type == CLK_DIVIDER) {
+ hws[i] = devm_clk_hw_register_divider(dev, clk->name, clk->parent_names[0],
+ clk->flags, reg, clk->bit_shift,
+ clk->bit_width, 0,
+ &clk_ctrl->lock);
+ } else if (clk->type == CLK_DIV_TABLE) {
+ hws[i] = clk_hw_register_divider_table(dev, clk->name, clk->parent_names[0],
+ clk->flags, reg, clk->bit_shift,
+ clk->bit_width, 0,
+ clk->div_table, &clk_ctrl->lock);
+ } else if (clk->type == CLK_GATE_ASPEED) {
+ hws[i] = ast2700_clk_hw_register_gate(dev, clk->name, clk->parent_names[0],
+ clk->flags, reg, clk->clk_idx,
+ clk->flags, &clk_ctrl->lock);
+ } else {
+ hws[i] = clk_hw_register_gate(dev, clk->name, clk->parent_names[0],
+ clk->flags, reg, clk->clk_idx, clk->flags,
+ &clk_ctrl->lock);
+ }
+
+ if (IS_ERR(hws[i]))
+ return PTR_ERR(hws[i]);
+ }
+
+ ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_hw_data);
+ if (ret)
+ return ret;
+
+ return aspeed_reset_controller_register(dev, clk_base, reset_name);
+}
+
+static const struct ast2700_clk_data ast2700_clk0_data = {
+ .scu = 0,
+ .nr_clks = ARRAY_SIZE(ast2700_scu0_clk_info),
+ .clk_info = ast2700_scu0_clk_info,
+};
+
+static const struct ast2700_clk_data ast2700_clk1_data = {
+ .scu = 1,
+ .nr_clks = ARRAY_SIZE(ast2700_scu1_clk_info),
+ .clk_info = ast2700_scu1_clk_info,
+};
+
+static const struct of_device_id ast2700_scu_match[] = {
+ { .compatible = "aspeed,ast2700-scu0", .data = &ast2700_clk0_data },
+ { .compatible = "aspeed,ast2700-scu1", .data = &ast2700_clk1_data },
+ { /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, ast2700_scu_match);
+
+static struct platform_driver ast2700_scu_driver = {
+ .driver = {
+ .name = "clk-ast2700",
+ .of_match_table = ast2700_scu_match,
+ },
+};
+
+builtin_platform_driver_probe(ast2700_scu_driver, ast2700_soc_clk_probe);
--
2.34.1
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