From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/drivers/clk/samsung/clk-exynos4.c | 240 +++++------------------------------------------------------
1 files changed, 22 insertions(+), 218 deletions(-)
diff --git a/kernel/drivers/clk/samsung/clk-exynos4.c b/kernel/drivers/clk/samsung/clk-exynos4.c
index 8086756..bf13e29 100644
--- a/kernel/drivers/clk/samsung/clk-exynos4.c
+++ b/kernel/drivers/clk/samsung/clk-exynos4.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* Copyright (c) 2013 Linaro Ltd.
* Author: Thomas Abraham <thomas.ab@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* Common Clock Framework support for all Exynos4 SoCs.
*/
@@ -14,9 +11,9 @@
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/syscore_ops.h>
#include "clk.h"
#include "clk-cpu.h"
@@ -123,10 +120,6 @@
#define CLKOUT_CMU_CPU 0x14a00
#define PWR_CTRL1 0x15020
#define E4X12_PWR_CTRL2 0x15024
-#define E4X12_DIV_ISP0 0x18300
-#define E4X12_DIV_ISP1 0x18304
-#define E4X12_GATE_ISP0 0x18800
-#define E4X12_GATE_ISP1 0x18804
/* Below definitions are used for PWR_CTRL settings */
#define PWR_CTRL1_CORE2_DOWN_RATIO(x) (((x) & 0x7) << 28)
@@ -158,14 +151,6 @@
static enum exynos4_soc exynos4_soc;
/*
- * Support for CMU save/restore across system suspends
- */
-#ifdef CONFIG_PM_SLEEP
-static struct samsung_clk_reg_dump *exynos4_save_common;
-static struct samsung_clk_reg_dump *exynos4_save_soc;
-static struct samsung_clk_reg_dump *exynos4_save_pll;
-
-/*
* list of controller registers to be saved and restored during a
* suspend/resume cycle.
*/
@@ -192,7 +177,7 @@
E4X12_PWR_CTRL2,
};
-static const unsigned long exynos4_clk_pll_regs[] __initconst = {
+static const unsigned long exynos4_clk_regs[] __initconst = {
EPLL_LOCK,
VPLL_LOCK,
EPLL_CON0,
@@ -201,9 +186,6 @@
VPLL_CON0,
VPLL_CON1,
VPLL_CON2,
-};
-
-static const unsigned long exynos4_clk_regs[] __initconst = {
SRC_LEFTBUS,
DIV_LEFTBUS,
GATE_IP_LEFTBUS,
@@ -276,6 +258,8 @@
};
static const struct samsung_clk_reg_dump src_mask_suspend[] = {
+ { .offset = VPLL_CON0, .value = 0x80600302, },
+ { .offset = EPLL_CON0, .value = 0x806F0302, },
{ .offset = SRC_MASK_TOP, .value = 0x00000001, },
{ .offset = SRC_MASK_CAM, .value = 0x11111111, },
{ .offset = SRC_MASK_TV, .value = 0x00000111, },
@@ -290,123 +274,6 @@
static const struct samsung_clk_reg_dump src_mask_suspend_e4210[] = {
{ .offset = E4210_SRC_MASK_LCD1, .value = 0x00001111, },
};
-
-#define PLL_ENABLED (1 << 31)
-#define PLL_LOCKED (1 << 29)
-
-static void exynos4_clk_enable_pll(u32 reg)
-{
- u32 pll_con = readl(reg_base + reg);
- pll_con |= PLL_ENABLED;
- writel(pll_con, reg_base + reg);
-
- while (!(pll_con & PLL_LOCKED)) {
- cpu_relax();
- pll_con = readl(reg_base + reg);
- }
-}
-
-static void exynos4_clk_wait_for_pll(u32 reg)
-{
- u32 pll_con;
-
- pll_con = readl(reg_base + reg);
- if (!(pll_con & PLL_ENABLED))
- return;
-
- while (!(pll_con & PLL_LOCKED)) {
- cpu_relax();
- pll_con = readl(reg_base + reg);
- }
-}
-
-static int exynos4_clk_suspend(void)
-{
- samsung_clk_save(reg_base, exynos4_save_common,
- ARRAY_SIZE(exynos4_clk_regs));
- samsung_clk_save(reg_base, exynos4_save_pll,
- ARRAY_SIZE(exynos4_clk_pll_regs));
-
- exynos4_clk_enable_pll(EPLL_CON0);
- exynos4_clk_enable_pll(VPLL_CON0);
-
- if (exynos4_soc == EXYNOS4210) {
- samsung_clk_save(reg_base, exynos4_save_soc,
- ARRAY_SIZE(exynos4210_clk_save));
- samsung_clk_restore(reg_base, src_mask_suspend_e4210,
- ARRAY_SIZE(src_mask_suspend_e4210));
- } else {
- samsung_clk_save(reg_base, exynos4_save_soc,
- ARRAY_SIZE(exynos4x12_clk_save));
- }
-
- samsung_clk_restore(reg_base, src_mask_suspend,
- ARRAY_SIZE(src_mask_suspend));
-
- return 0;
-}
-
-static void exynos4_clk_resume(void)
-{
- samsung_clk_restore(reg_base, exynos4_save_pll,
- ARRAY_SIZE(exynos4_clk_pll_regs));
-
- exynos4_clk_wait_for_pll(EPLL_CON0);
- exynos4_clk_wait_for_pll(VPLL_CON0);
-
- samsung_clk_restore(reg_base, exynos4_save_common,
- ARRAY_SIZE(exynos4_clk_regs));
-
- if (exynos4_soc == EXYNOS4210)
- samsung_clk_restore(reg_base, exynos4_save_soc,
- ARRAY_SIZE(exynos4210_clk_save));
- else
- samsung_clk_restore(reg_base, exynos4_save_soc,
- ARRAY_SIZE(exynos4x12_clk_save));
-}
-
-static struct syscore_ops exynos4_clk_syscore_ops = {
- .suspend = exynos4_clk_suspend,
- .resume = exynos4_clk_resume,
-};
-
-static void __init exynos4_clk_sleep_init(void)
-{
- exynos4_save_common = samsung_clk_alloc_reg_dump(exynos4_clk_regs,
- ARRAY_SIZE(exynos4_clk_regs));
- if (!exynos4_save_common)
- goto err_warn;
-
- if (exynos4_soc == EXYNOS4210)
- exynos4_save_soc = samsung_clk_alloc_reg_dump(
- exynos4210_clk_save,
- ARRAY_SIZE(exynos4210_clk_save));
- else
- exynos4_save_soc = samsung_clk_alloc_reg_dump(
- exynos4x12_clk_save,
- ARRAY_SIZE(exynos4x12_clk_save));
- if (!exynos4_save_soc)
- goto err_common;
-
- exynos4_save_pll = samsung_clk_alloc_reg_dump(exynos4_clk_pll_regs,
- ARRAY_SIZE(exynos4_clk_pll_regs));
- if (!exynos4_save_pll)
- goto err_soc;
-
- register_syscore_ops(&exynos4_clk_syscore_ops);
- return;
-
-err_soc:
- kfree(exynos4_save_soc);
-err_common:
- kfree(exynos4_save_common);
-err_warn:
- pr_warn("%s: failed to allocate sleep save data, no sleep support!\n",
- __func__);
-}
-#else
-static void __init exynos4_clk_sleep_init(void) {}
-#endif
/* list of all parent clock list */
PNAME(mout_apll_p) = { "fin_pll", "fout_apll", };
@@ -841,18 +708,6 @@
DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3),
};
-static struct samsung_div_clock exynos4x12_isp_div_clks[] = {
- DIV_F(CLK_DIV_ISP0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3,
- CLK_GET_RATE_NOCACHE, 0),
- DIV_F(CLK_DIV_ISP1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3,
- CLK_GET_RATE_NOCACHE, 0),
- DIV(0, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3),
- DIV_F(CLK_DIV_MCUISP0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1,
- 4, 3, CLK_GET_RATE_NOCACHE, 0),
- DIV_F(CLK_DIV_MCUISP1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1,
- 8, 3, CLK_GET_RATE_NOCACHE, 0),
-};
-
/* list of gate clocks supported in all exynos4 soc's */
static const struct samsung_gate_clock exynos4_gate_clks[] __initconst = {
GATE(CLK_PPMULEFT, "ppmuleft", "aclk200", GATE_IP_LEFTBUS, 1, 0, 0),
@@ -1103,6 +958,7 @@
/* list of gate clocks supported in exynos4x12 soc */
static const struct samsung_gate_clock exynos4x12_gate_clks[] __initconst = {
+ GATE(CLK_ASYNC_G3D, "async_g3d", "aclk200", GATE_IP_LEFTBUS, 6, 0, 0),
GATE(CLK_AUDSS, "audss", "sclk_epll", E4X12_GATE_IP_MAUDIO, 0, 0, 0),
GATE(CLK_MDNIE0, "mdnie0", "aclk160", GATE_IP_LCD0, 2, 0, 0),
GATE(CLK_ROTATOR, "rotator", "aclk200", E4X12_GATE_IP_IMAGE, 1, 0, 0),
@@ -1148,61 +1004,6 @@
GATE(CLK_SMMU_G2D, "smmu_g2d", "aclk200", GATE_IP_DMC, 24, 0, 0),
GATE(CLK_TMU_APBIF, "tmu_apbif", "aclk100", E4X12_GATE_IP_PERIR, 17, 0,
0),
-};
-
-static struct samsung_gate_clock exynos4x12_isp_gate_clks[] = {
- GATE(CLK_FIMC_ISP, "isp", "aclk200", E4X12_GATE_ISP0, 0,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_FIMC_DRC, "drc", "aclk200", E4X12_GATE_ISP0, 1,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_FIMC_FD, "fd", "aclk200", E4X12_GATE_ISP0, 2,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_FIMC_LITE0, "lite0", "aclk200", E4X12_GATE_ISP0, 3,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_FIMC_LITE1, "lite1", "aclk200", E4X12_GATE_ISP0, 4,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_MCUISP, "mcuisp", "aclk200", E4X12_GATE_ISP0, 5,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_GICISP, "gicisp", "aclk200", E4X12_GATE_ISP0, 7,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SMMU_ISP, "smmu_isp", "aclk200", E4X12_GATE_ISP0, 8,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SMMU_DRC, "smmu_drc", "aclk200", E4X12_GATE_ISP0, 9,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SMMU_FD, "smmu_fd", "aclk200", E4X12_GATE_ISP0, 10,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SMMU_LITE0, "smmu_lite0", "aclk200", E4X12_GATE_ISP0, 11,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SMMU_LITE1, "smmu_lite1", "aclk200", E4X12_GATE_ISP0, 12,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_PPMUISPMX, "ppmuispmx", "aclk200", E4X12_GATE_ISP0, 20,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_PPMUISPX, "ppmuispx", "aclk200", E4X12_GATE_ISP0, 21,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_MCUCTL_ISP, "mcuctl_isp", "aclk200", E4X12_GATE_ISP0, 23,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_MPWM_ISP, "mpwm_isp", "aclk200", E4X12_GATE_ISP0, 24,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_I2C0_ISP, "i2c0_isp", "aclk200", E4X12_GATE_ISP0, 25,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_I2C1_ISP, "i2c1_isp", "aclk200", E4X12_GATE_ISP0, 26,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_MTCADC_ISP, "mtcadc_isp", "aclk200", E4X12_GATE_ISP0, 27,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_PWM_ISP, "pwm_isp", "aclk200", E4X12_GATE_ISP0, 28,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_WDT_ISP, "wdt_isp", "aclk200", E4X12_GATE_ISP0, 30,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_UART_ISP, "uart_isp", "aclk200", E4X12_GATE_ISP0, 31,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_ASYNCAXIM, "asyncaxim", "aclk200", E4X12_GATE_ISP1, 0,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SMMU_ISPCX, "smmu_ispcx", "aclk200", E4X12_GATE_ISP1, 4,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SPI0_ISP, "spi0_isp", "aclk200", E4X12_GATE_ISP1, 12,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
- GATE(CLK_SPI1_ISP, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13,
- CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
};
/*
@@ -1432,6 +1233,8 @@
enum exynos4_soc soc)
{
struct samsung_clk_provider *ctx;
+ struct clk_hw **hws;
+
exynos4_soc = soc;
reg_base = of_iomap(np, 0);
@@ -1439,6 +1242,7 @@
panic("%s: failed to map registers\n", __func__);
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
+ hws = ctx->clk_data.hws;
samsung_clk_of_register_fixed_ext(ctx, exynos4_fixed_rate_ext_clks,
ARRAY_SIZE(exynos4_fixed_rate_ext_clks),
@@ -1501,12 +1305,10 @@
exynos4210_fixed_factor_clks,
ARRAY_SIZE(exynos4210_fixed_factor_clks));
exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
- mout_core_p4210[0], mout_core_p4210[1], 0x14200,
+ hws[CLK_MOUT_APLL], hws[CLK_SCLK_MPLL], 0x14200,
e4210_armclk_d, ARRAY_SIZE(e4210_armclk_d),
CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1);
} else {
- struct resource res;
-
samsung_clk_register_mux(ctx, exynos4x12_mux_clks,
ARRAY_SIZE(exynos4x12_mux_clks));
samsung_clk_register_div(ctx, exynos4x12_div_clks,
@@ -1517,23 +1319,25 @@
exynos4x12_fixed_factor_clks,
ARRAY_SIZE(exynos4x12_fixed_factor_clks));
- of_address_to_resource(np, 0, &res);
- if (resource_size(&res) > 0x18000) {
- samsung_clk_register_div(ctx, exynos4x12_isp_div_clks,
- ARRAY_SIZE(exynos4x12_isp_div_clks));
- samsung_clk_register_gate(ctx, exynos4x12_isp_gate_clks,
- ARRAY_SIZE(exynos4x12_isp_gate_clks));
- }
-
exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
- mout_core_p4x12[0], mout_core_p4x12[1], 0x14200,
+ hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL_USER_C], 0x14200,
e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d),
CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1);
}
if (soc == EXYNOS4X12)
exynos4x12_core_down_clock();
- exynos4_clk_sleep_init();
+
+ samsung_clk_extended_sleep_init(reg_base,
+ exynos4_clk_regs, ARRAY_SIZE(exynos4_clk_regs),
+ src_mask_suspend, ARRAY_SIZE(src_mask_suspend));
+ if (exynos4_soc == EXYNOS4210)
+ samsung_clk_extended_sleep_init(reg_base,
+ exynos4210_clk_save, ARRAY_SIZE(exynos4210_clk_save),
+ src_mask_suspend_e4210, ARRAY_SIZE(src_mask_suspend_e4210));
+ else
+ samsung_clk_sleep_init(reg_base, exynos4x12_clk_save,
+ ARRAY_SIZE(exynos4x12_clk_save));
samsung_clk_of_add_provider(np, ctx);
--
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