/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
*
* 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 Exynos3250 SoC.
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/syscore_ops.h>
#include <dt-bindings/clock/exynos3250.h>
#include "clk.h"
#include "clk-pll.h"
#define SRC_LEFTBUS 0x4200
#define DIV_LEFTBUS 0x4500
#define GATE_IP_LEFTBUS 0x4800
#define SRC_RIGHTBUS 0x8200
#define DIV_RIGHTBUS 0x8500
#define GATE_IP_RIGHTBUS 0x8800
#define GATE_IP_PERIR 0x8960
#define MPLL_LOCK 0xc010
#define MPLL_CON0 0xc110
#define VPLL_LOCK 0xc020
#define VPLL_CON0 0xc120
#define UPLL_LOCK 0xc030
#define UPLL_CON0 0xc130
#define SRC_TOP0 0xc210
#define SRC_TOP1 0xc214
#define SRC_CAM 0xc220
#define SRC_MFC 0xc228
#define SRC_G3D 0xc22c
#define SRC_LCD 0xc234
#define SRC_ISP 0xc238
#define SRC_FSYS 0xc240
#define SRC_PERIL0 0xc250
#define SRC_PERIL1 0xc254
#define SRC_MASK_TOP 0xc310
#define SRC_MASK_CAM 0xc320
#define SRC_MASK_LCD 0xc334
#define SRC_MASK_ISP 0xc338
#define SRC_MASK_FSYS 0xc340
#define SRC_MASK_PERIL0 0xc350
#define SRC_MASK_PERIL1 0xc354
#define DIV_TOP 0xc510
#define DIV_CAM 0xc520
#define DIV_MFC 0xc528
#define DIV_G3D 0xc52c
#define DIV_LCD 0xc534
#define DIV_ISP 0xc538
#define DIV_FSYS0 0xc540
#define DIV_FSYS1 0xc544
#define DIV_FSYS2 0xc548
#define DIV_PERIL0 0xc550
#define DIV_PERIL1 0xc554
#define DIV_PERIL3 0xc55c
#define DIV_PERIL4 0xc560
#define DIV_PERIL5 0xc564
#define DIV_CAM1 0xc568
#define CLKDIV2_RATIO 0xc580
#define GATE_SCLK_CAM 0xc820
#define GATE_SCLK_MFC 0xc828
#define GATE_SCLK_G3D 0xc82c
#define GATE_SCLK_LCD 0xc834
#define GATE_SCLK_ISP_TOP 0xc838
#define GATE_SCLK_FSYS 0xc840
#define GATE_SCLK_PERIL 0xc850
#define GATE_IP_CAM 0xc920
#define GATE_IP_MFC 0xc928
#define GATE_IP_G3D 0xc92c
#define GATE_IP_LCD 0xc934
#define GATE_IP_ISP 0xc938
#define GATE_IP_FSYS 0xc940
#define GATE_IP_PERIL 0xc950
#define GATE_BLOCK 0xc970
#define APLL_LOCK 0x14000
#define APLL_CON0 0x14100
#define SRC_CPU 0x14200
#define DIV_CPU0 0x14500
#define DIV_CPU1 0x14504
#define PWR_CTRL1 0x15020
#define PWR_CTRL2 0x15024
/* Below definitions are used for PWR_CTRL settings */
#define PWR_CTRL1_CORE2_DOWN_RATIO(x) (((x) & 0x7) << 28)
#define PWR_CTRL1_CORE1_DOWN_RATIO(x) (((x) & 0x7) << 16)
#define PWR_CTRL1_DIV2_DOWN_EN (1 << 9)
#define PWR_CTRL1_DIV1_DOWN_EN (1 << 8)
#define PWR_CTRL1_USE_CORE3_WFE (1 << 7)
#define PWR_CTRL1_USE_CORE2_WFE (1 << 6)
#define PWR_CTRL1_USE_CORE1_WFE (1 << 5)
#define PWR_CTRL1_USE_CORE0_WFE (1 << 4)
#define PWR_CTRL1_USE_CORE3_WFI (1 << 3)
#define PWR_CTRL1_USE_CORE2_WFI (1 << 2)
#define PWR_CTRL1_USE_CORE1_WFI (1 << 1)
#define PWR_CTRL1_USE_CORE0_WFI (1 << 0)
/* list of PLLs to be registered */
enum exynos3250_plls {
apll, mpll, vpll, upll,
nr_plls
};
/* list of PLLs in DMC block to be registered */
enum exynos3250_dmc_plls {
bpll, epll,
nr_dmc_plls
};
static void __iomem *reg_base;
static void __iomem *dmc_reg_base;
/*
* Support for CMU save/restore across system suspends
*/
#ifdef CONFIG_PM_SLEEP
static struct samsung_clk_reg_dump *exynos3250_clk_regs;
static unsigned long exynos3250_cmu_clk_regs[] __initdata = {
SRC_LEFTBUS,
DIV_LEFTBUS,
GATE_IP_LEFTBUS,
SRC_RIGHTBUS,
DIV_RIGHTBUS,
GATE_IP_RIGHTBUS,
GATE_IP_PERIR,
MPLL_LOCK,
MPLL_CON0,
VPLL_LOCK,
VPLL_CON0,
UPLL_LOCK,
UPLL_CON0,
SRC_TOP0,
SRC_TOP1,
SRC_CAM,
SRC_MFC,
SRC_G3D,
SRC_LCD,
SRC_ISP,
SRC_FSYS,
SRC_PERIL0,
SRC_PERIL1,
SRC_MASK_TOP,
SRC_MASK_CAM,
SRC_MASK_LCD,
SRC_MASK_ISP,
SRC_MASK_FSYS,
SRC_MASK_PERIL0,
SRC_MASK_PERIL1,
DIV_TOP,
DIV_CAM,
DIV_MFC,
DIV_G3D,
DIV_LCD,
DIV_ISP,
DIV_FSYS0,
DIV_FSYS1,
DIV_FSYS2,
DIV_PERIL0,
DIV_PERIL1,
DIV_PERIL3,
DIV_PERIL4,
DIV_PERIL5,
DIV_CAM1,
CLKDIV2_RATIO,
GATE_SCLK_CAM,
GATE_SCLK_MFC,
GATE_SCLK_G3D,
GATE_SCLK_LCD,
GATE_SCLK_ISP_TOP,
GATE_SCLK_FSYS,
GATE_SCLK_PERIL,
GATE_IP_CAM,
GATE_IP_MFC,
GATE_IP_G3D,
GATE_IP_LCD,
GATE_IP_ISP,
GATE_IP_FSYS,
GATE_IP_PERIL,
GATE_BLOCK,
APLL_LOCK,
SRC_CPU,
DIV_CPU0,
DIV_CPU1,
PWR_CTRL1,
PWR_CTRL2,
};
static int exynos3250_clk_suspend(void)
{
samsung_clk_save(reg_base, exynos3250_clk_regs,
ARRAY_SIZE(exynos3250_cmu_clk_regs));
return 0;
}
static void exynos3250_clk_resume(void)
{
samsung_clk_restore(reg_base, exynos3250_clk_regs,
ARRAY_SIZE(exynos3250_cmu_clk_regs));
}
static struct syscore_ops exynos3250_clk_syscore_ops = {
.suspend = exynos3250_clk_suspend,
.resume = exynos3250_clk_resume,
};
static void exynos3250_clk_sleep_init(void)
{
exynos3250_clk_regs =
samsung_clk_alloc_reg_dump(exynos3250_cmu_clk_regs,
ARRAY_SIZE(exynos3250_cmu_clk_regs));
if (!exynos3250_clk_regs) {
pr_warn("%s: Failed to allocate sleep save data\n", __func__);
goto err;
}
register_syscore_ops(&exynos3250_clk_syscore_ops);
return;
err:
kfree(exynos3250_clk_regs);
}
#else
static inline void exynos3250_clk_sleep_init(void) { }
#endif
/* list of all parent clock list */
PNAME(mout_vpllsrc_p) = { "fin_pll", };
PNAME(mout_apll_p) = { "fin_pll", "fout_apll", };
PNAME(mout_mpll_p) = { "fin_pll", "fout_mpll", };
PNAME(mout_vpll_p) = { "fin_pll", "fout_vpll", };
PNAME(mout_upll_p) = { "fin_pll", "fout_upll", };
PNAME(mout_mpll_user_p) = { "fin_pll", "div_mpll_pre", };
PNAME(mout_epll_user_p) = { "fin_pll", "mout_epll", };
PNAME(mout_core_p) = { "mout_apll", "mout_mpll_user_c", };
PNAME(mout_hpm_p) = { "mout_apll", "mout_mpll_user_c", };
PNAME(mout_ebi_p) = { "div_aclk_200", "div_aclk_160", };
PNAME(mout_ebi_1_p) = { "mout_ebi", "mout_vpll", };
PNAME(mout_gdl_p) = { "mout_mpll_user_l", };
PNAME(mout_gdr_p) = { "mout_mpll_user_r", };
PNAME(mout_aclk_400_mcuisp_sub_p)
= { "fin_pll", "div_aclk_400_mcuisp", };
PNAME(mout_aclk_266_0_p) = { "div_mpll_pre", "mout_vpll", };
PNAME(mout_aclk_266_1_p) = { "mout_epll_user", };
PNAME(mout_aclk_266_p) = { "mout_aclk_266_0", "mout_aclk_266_1", };
PNAME(mout_aclk_266_sub_p) = { "fin_pll", "div_aclk_266", };
PNAME(group_div_mpll_pre_p) = { "div_mpll_pre", };
PNAME(group_epll_vpll_p) = { "mout_epll_user", "mout_vpll" };
PNAME(group_sclk_p) = { "xxti", "xusbxti",
"none", "none",
"none", "none", "div_mpll_pre",
"mout_epll_user", "mout_vpll", };
PNAME(group_sclk_audio_p) = { "audiocdclk", "none",
"none", "none",
"xxti", "xusbxti",
"div_mpll_pre", "mout_epll_user",
"mout_vpll", };
PNAME(group_sclk_cam_blk_p) = { "xxti", "xusbxti",
"none", "none", "none",
"none", "div_mpll_pre",
"mout_epll_user", "mout_vpll",
"none", "none", "none",
"div_cam_blk_320", };
PNAME(group_sclk_fimd0_p) = { "xxti", "xusbxti",
"m_bitclkhsdiv4_2l", "none",
"none", "none", "div_mpll_pre",
"mout_epll_user", "mout_vpll",
"none", "none", "none",
"div_lcd_blk_145", };
PNAME(mout_mfc_p) = { "mout_mfc_0", "mout_mfc_1" };
PNAME(mout_g3d_p) = { "mout_g3d_0", "mout_g3d_1" };
static struct samsung_fixed_factor_clock fixed_factor_clks[] __initdata = {
FFACTOR(0, "sclk_mpll_1600", "mout_mpll", 1, 1, 0),
FFACTOR(0, "sclk_mpll_mif", "mout_mpll", 1, 2, 0),
FFACTOR(0, "sclk_bpll", "fout_bpll", 1, 2, 0),
FFACTOR(0, "div_cam_blk_320", "sclk_mpll_1600", 1, 5, 0),
FFACTOR(0, "div_lcd_blk_145", "sclk_mpll_1600", 1, 11, 0),
/* HACK: fin_pll hardcoded to xusbxti until detection is implemented. */
FFACTOR(CLK_FIN_PLL, "fin_pll", "xusbxti", 1, 1, 0),
};
static struct samsung_mux_clock mux_clks[] __initdata = {
/*
* NOTE: Following table is sorted by register address in ascending
* order and then bitfield shift in descending order, as it is done
* in the User's Manual. When adding new entries, please make sure
* that the order is preserved, to avoid merge conflicts and make
* further work with defined data easier.
*/
/* SRC_LEFTBUS */
MUX(CLK_MOUT_MPLL_USER_L, "mout_mpll_user_l", mout_mpll_user_p,
SRC_LEFTBUS, 4, 1),
MUX(CLK_MOUT_GDL, "mout_gdl", mout_gdl_p, SRC_LEFTBUS, 0, 1),
/* SRC_RIGHTBUS */
MUX(CLK_MOUT_MPLL_USER_R, "mout_mpll_user_r", mout_mpll_user_p,
SRC_RIGHTBUS, 4, 1),
MUX(CLK_MOUT_GDR, "mout_gdr", mout_gdr_p, SRC_RIGHTBUS, 0, 1),
/* SRC_TOP0 */
MUX(CLK_MOUT_EBI, "mout_ebi", mout_ebi_p, SRC_TOP0, 28, 1),
MUX(CLK_MOUT_ACLK_200, "mout_aclk_200", group_div_mpll_pre_p,SRC_TOP0, 24, 1),
MUX(CLK_MOUT_ACLK_160, "mout_aclk_160", group_div_mpll_pre_p, SRC_TOP0, 20, 1),
MUX(CLK_MOUT_ACLK_100, "mout_aclk_100", group_div_mpll_pre_p, SRC_TOP0, 16, 1),
MUX(CLK_MOUT_ACLK_266_1, "mout_aclk_266_1", mout_aclk_266_1_p, SRC_TOP0, 14, 1),
MUX(CLK_MOUT_ACLK_266_0, "mout_aclk_266_0", mout_aclk_266_0_p, SRC_TOP0, 13, 1),
MUX(CLK_MOUT_ACLK_266, "mout_aclk_266", mout_aclk_266_p, SRC_TOP0, 12, 1),
MUX(CLK_MOUT_VPLL, "mout_vpll", mout_vpll_p, SRC_TOP0, 8, 1),
MUX(CLK_MOUT_EPLL_USER, "mout_epll_user", mout_epll_user_p, SRC_TOP0, 4, 1),
MUX(CLK_MOUT_EBI_1, "mout_ebi_1", mout_ebi_1_p, SRC_TOP0, 0, 1),
/* SRC_TOP1 */
MUX(CLK_MOUT_UPLL, "mout_upll", mout_upll_p, SRC_TOP1, 28, 1),
MUX(CLK_MOUT_ACLK_400_MCUISP_SUB, "mout_aclk_400_mcuisp_sub", mout_aclk_400_mcuisp_sub_p,
SRC_TOP1, 24, 1),
MUX(CLK_MOUT_ACLK_266_SUB, "mout_aclk_266_sub", mout_aclk_266_sub_p, SRC_TOP1, 20, 1),
MUX(CLK_MOUT_MPLL, "mout_mpll", mout_mpll_p, SRC_TOP1, 12, 1),
MUX(CLK_MOUT_ACLK_400_MCUISP, "mout_aclk_400_mcuisp", group_div_mpll_pre_p, SRC_TOP1, 8, 1),
MUX(CLK_MOUT_VPLLSRC, "mout_vpllsrc", mout_vpllsrc_p, SRC_TOP1, 0, 1),
/* SRC_CAM */
MUX(CLK_MOUT_CAM1, "mout_cam1", group_sclk_p, SRC_CAM, 20, 4),
MUX(CLK_MOUT_CAM_BLK, "mout_cam_blk", group_sclk_cam_blk_p, SRC_CAM, 0, 4),
/* SRC_MFC */
MUX(CLK_MOUT_MFC, "mout_mfc", mout_mfc_p, SRC_MFC, 8, 1),
MUX(CLK_MOUT_MFC_1, "mout_mfc_1", group_epll_vpll_p, SRC_MFC, 4, 1),
MUX(CLK_MOUT_MFC_0, "mout_mfc_0", group_div_mpll_pre_p, SRC_MFC, 0, 1),
/* SRC_G3D */
MUX(CLK_MOUT_G3D, "mout_g3d", mout_g3d_p, SRC_G3D, 8, 1),
MUX(CLK_MOUT_G3D_1, "mout_g3d_1", group_epll_vpll_p, SRC_G3D, 4, 1),
MUX(CLK_MOUT_G3D_0, "mout_g3d_0", group_div_mpll_pre_p, SRC_G3D, 0, 1),
/* SRC_LCD */
MUX(CLK_MOUT_MIPI0, "mout_mipi0", group_sclk_p, SRC_LCD, 12, 4),
MUX(CLK_MOUT_FIMD0, "mout_fimd0", group_sclk_fimd0_p, SRC_LCD, 0, 4),
/* SRC_ISP */
MUX(CLK_MOUT_UART_ISP, "mout_uart_isp", group_sclk_p, SRC_ISP, 12, 4),
MUX(CLK_MOUT_SPI1_ISP, "mout_spi1_isp", group_sclk_p, SRC_ISP, 8, 4),
MUX(CLK_MOUT_SPI0_ISP, "mout_spi0_isp", group_sclk_p, SRC_ISP, 4, 4),
/* SRC_FSYS */
MUX(CLK_MOUT_TSADC, "mout_tsadc", group_sclk_p, SRC_FSYS, 28, 4),
MUX(CLK_MOUT_MMC1, "mout_mmc1", group_sclk_p, SRC_FSYS, 4, 4),
MUX(CLK_MOUT_MMC0, "mout_mmc0", group_sclk_p, SRC_FSYS, 0, 4),
/* SRC_PERIL0 */
MUX(CLK_MOUT_UART1, "mout_uart1", group_sclk_p, SRC_PERIL0, 4, 4),
MUX(CLK_MOUT_UART0, "mout_uart0", group_sclk_p, SRC_PERIL0, 0, 4),
/* SRC_PERIL1 */
MUX(CLK_MOUT_SPI1, "mout_spi1", group_sclk_p, SRC_PERIL1, 20, 4),
MUX(CLK_MOUT_SPI0, "mout_spi0", group_sclk_p, SRC_PERIL1, 16, 4),
MUX(CLK_MOUT_AUDIO, "mout_audio", group_sclk_audio_p, SRC_PERIL1, 4, 4),
/* SRC_CPU */
MUX(CLK_MOUT_MPLL_USER_C, "mout_mpll_user_c", mout_mpll_user_p,
SRC_CPU, 24, 1),
MUX(CLK_MOUT_HPM, "mout_hpm", mout_hpm_p, SRC_CPU, 20, 1),
MUX(CLK_MOUT_CORE, "mout_core", mout_core_p, SRC_CPU, 16, 1),
MUX(CLK_MOUT_APLL, "mout_apll", mout_apll_p, SRC_CPU, 0, 1),
};
static struct samsung_div_clock div_clks[] __initdata = {
/*
* NOTE: Following table is sorted by register address in ascending
* order and then bitfield shift in descending order, as it is done
* in the User's Manual. When adding new entries, please make sure
* that the order is preserved, to avoid merge conflicts and make
* further work with defined data easier.
*/
/* DIV_LEFTBUS */
DIV(CLK_DIV_GPL, "div_gpl", "div_gdl", DIV_LEFTBUS, 4, 3),
DIV(CLK_DIV_GDL, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 4),
/* DIV_RIGHTBUS */
DIV(CLK_DIV_GPR, "div_gpr", "div_gdr", DIV_RIGHTBUS, 4, 3),
DIV(CLK_DIV_GDR, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 4),
/* DIV_TOP */
DIV(CLK_DIV_MPLL_PRE, "div_mpll_pre", "sclk_mpll_mif", DIV_TOP, 28, 2),
DIV(CLK_DIV_ACLK_400_MCUISP, "div_aclk_400_mcuisp",
"mout_aclk_400_mcuisp", DIV_TOP, 24, 3),
DIV(CLK_DIV_EBI, "div_ebi", "mout_ebi_1", DIV_TOP, 16, 3),
DIV(CLK_DIV_ACLK_200, "div_aclk_200", "mout_aclk_200", DIV_TOP, 12, 3),
DIV(CLK_DIV_ACLK_160, "div_aclk_160", "mout_aclk_160", DIV_TOP, 8, 3),
DIV(CLK_DIV_ACLK_100, "div_aclk_100", "mout_aclk_100", DIV_TOP, 4, 4),
DIV(CLK_DIV_ACLK_266, "div_aclk_266", "mout_aclk_266", DIV_TOP, 0, 3),
/* DIV_CAM */
DIV(CLK_DIV_CAM1, "div_cam1", "mout_cam1", DIV_CAM, 20, 4),
DIV(CLK_DIV_CAM_BLK, "div_cam_blk", "mout_cam_blk", DIV_CAM, 0, 4),
/* DIV_MFC */
DIV(CLK_DIV_MFC, "div_mfc", "mout_mfc", DIV_MFC, 0, 4),
/* DIV_G3D */
DIV(CLK_DIV_G3D, "div_g3d", "mout_g3d", DIV_G3D, 0, 4),
/* DIV_LCD */
DIV_F(CLK_DIV_MIPI0_PRE, "div_mipi0_pre", "div_mipi0", DIV_LCD, 20, 4,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_MIPI0, "div_mipi0", "mout_mipi0", DIV_LCD, 16, 4),
DIV(CLK_DIV_FIMD0, "div_fimd0", "mout_fimd0", DIV_LCD, 0, 4),
/* DIV_ISP */
DIV(CLK_DIV_UART_ISP, "div_uart_isp", "mout_uart_isp", DIV_ISP, 28, 4),
DIV_F(CLK_DIV_SPI1_ISP_PRE, "div_spi1_isp_pre", "div_spi1_isp",
DIV_ISP, 20, 8, CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_SPI1_ISP, "div_spi1_isp", "mout_spi1_isp", DIV_ISP, 16, 4),
DIV_F(CLK_DIV_SPI0_ISP_PRE, "div_spi0_isp_pre", "div_spi0_isp",
DIV_ISP, 8, 8, CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_SPI0_ISP, "div_spi0_isp", "mout_spi0_isp", DIV_ISP, 4, 4),
/* DIV_FSYS0 */
DIV_F(CLK_DIV_TSADC_PRE, "div_tsadc_pre", "div_tsadc", DIV_FSYS0, 8, 8,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_TSADC, "div_tsadc", "mout_tsadc", DIV_FSYS0, 0, 4),
/* DIV_FSYS1 */
DIV_F(CLK_DIV_MMC1_PRE, "div_mmc1_pre", "div_mmc1", DIV_FSYS1, 24, 8,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_MMC1, "div_mmc1", "mout_mmc1", DIV_FSYS1, 16, 4),
DIV_F(CLK_DIV_MMC0_PRE, "div_mmc0_pre", "div_mmc0", DIV_FSYS1, 8, 8,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_MMC0, "div_mmc0", "mout_mmc0", DIV_FSYS1, 0, 4),
/* DIV_PERIL0 */
DIV(CLK_DIV_UART1, "div_uart1", "mout_uart1", DIV_PERIL0, 4, 4),
DIV(CLK_DIV_UART0, "div_uart0", "mout_uart0", DIV_PERIL0, 0, 4),
/* DIV_PERIL1 */
DIV_F(CLK_DIV_SPI1_PRE, "div_spi1_pre", "div_spi1", DIV_PERIL1, 24, 8,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_SPI1, "div_spi1", "mout_spi1", DIV_PERIL1, 16, 4),
DIV_F(CLK_DIV_SPI0_PRE, "div_spi0_pre", "div_spi0", DIV_PERIL1, 8, 8,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_SPI0, "div_spi0", "mout_spi0", DIV_PERIL1, 0, 4),
/* DIV_PERIL4 */
DIV(CLK_DIV_PCM, "div_pcm", "div_audio", DIV_PERIL4, 20, 8),
DIV(CLK_DIV_AUDIO, "div_audio", "mout_audio", DIV_PERIL4, 16, 4),
/* DIV_PERIL5 */
DIV(CLK_DIV_I2S, "div_i2s", "div_audio", DIV_PERIL5, 8, 6),
/* DIV_CPU0 */
DIV(CLK_DIV_CORE2, "div_core2", "div_core", DIV_CPU0, 28, 3),
DIV(CLK_DIV_APLL, "div_apll", "mout_apll", DIV_CPU0, 24, 3),
DIV(CLK_DIV_PCLK_DBG, "div_pclk_dbg", "div_core2", DIV_CPU0, 20, 3),
DIV(CLK_DIV_ATB, "div_atb", "div_core2", DIV_CPU0, 16, 3),
DIV(CLK_DIV_COREM, "div_corem", "div_core2", DIV_CPU0, 4, 3),
DIV(CLK_DIV_CORE, "div_core", "mout_core", DIV_CPU0, 0, 3),
/* DIV_CPU1 */
DIV(CLK_DIV_HPM, "div_hpm", "div_copy", DIV_CPU1, 4, 3),
DIV(CLK_DIV_COPY, "div_copy", "mout_hpm", DIV_CPU1, 0, 3),
};
static struct samsung_gate_clock gate_clks[] __initdata = {
/*
* NOTE: Following table is sorted by register address in ascending
* order and then bitfield shift in descending order, as it is done
* in the User's Manual. When adding new entries, please make sure
* that the order is preserved, to avoid merge conflicts and make
* further work with defined data easier.
*/
/* GATE_IP_LEFTBUS */
GATE(CLK_ASYNC_G3D, "async_g3d", "div_aclk_100", GATE_IP_LEFTBUS, 6,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_ASYNC_MFCL, "async_mfcl", "div_aclk_100", GATE_IP_LEFTBUS, 4,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMULEFT, "ppmuleft", "div_aclk_100", GATE_IP_LEFTBUS, 1,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_GPIO_LEFT, "gpio_left", "div_aclk_100", GATE_IP_LEFTBUS, 0,
CLK_IGNORE_UNUSED, 0),
/* GATE_IP_RIGHTBUS */
GATE(CLK_ASYNC_ISPMX, "async_ispmx", "div_aclk_100",
GATE_IP_RIGHTBUS, 9, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ASYNC_FSYSD, "async_fsysd", "div_aclk_100",
GATE_IP_RIGHTBUS, 5, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ASYNC_LCD0X, "async_lcd0x", "div_aclk_100",
GATE_IP_RIGHTBUS, 3, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ASYNC_CAMX, "async_camx", "div_aclk_100", GATE_IP_RIGHTBUS, 2,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMURIGHT, "ppmuright", "div_aclk_100", GATE_IP_RIGHTBUS, 1,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_GPIO_RIGHT, "gpio_right", "div_aclk_100", GATE_IP_RIGHTBUS, 0,
CLK_IGNORE_UNUSED, 0),
/* GATE_IP_PERIR */
GATE(CLK_MONOCNT, "monocnt", "div_aclk_100", GATE_IP_PERIR, 22,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC6, "tzpc6", "div_aclk_100", GATE_IP_PERIR, 21,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PROVISIONKEY1, "provisionkey1", "div_aclk_100",
GATE_IP_PERIR, 20, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PROVISIONKEY0, "provisionkey0", "div_aclk_100",
GATE_IP_PERIR, 19, CLK_IGNORE_UNUSED, 0),
GATE(CLK_CMU_ISPPART, "cmu_isppart", "div_aclk_100", GATE_IP_PERIR, 18,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TMU_APBIF, "tmu_apbif", "div_aclk_100",
GATE_IP_PERIR, 17, 0, 0),
GATE(CLK_KEYIF, "keyif", "div_aclk_100", GATE_IP_PERIR, 16, 0, 0),
GATE(CLK_RTC, "rtc", "div_aclk_100", GATE_IP_PERIR, 15, 0, 0),
GATE(CLK_WDT, "wdt", "div_aclk_100", GATE_IP_PERIR, 14, 0, 0),
GATE(CLK_MCT, "mct", "div_aclk_100", GATE_IP_PERIR, 13, 0, 0),
GATE(CLK_SECKEY, "seckey", "div_aclk_100", GATE_IP_PERIR, 12,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC5, "tzpc5", "div_aclk_100", GATE_IP_PERIR, 10,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC4, "tzpc4", "div_aclk_100", GATE_IP_PERIR, 9,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC3, "tzpc3", "div_aclk_100", GATE_IP_PERIR, 8,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC2, "tzpc2", "div_aclk_100", GATE_IP_PERIR, 7,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC1, "tzpc1", "div_aclk_100", GATE_IP_PERIR, 6,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_TZPC0, "tzpc0", "div_aclk_100", GATE_IP_PERIR, 5,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_CMU_COREPART, "cmu_corepart", "div_aclk_100", GATE_IP_PERIR, 4,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_CMU_TOPPART, "cmu_toppart", "div_aclk_100", GATE_IP_PERIR, 3,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PMU_APBIF, "pmu_apbif", "div_aclk_100", GATE_IP_PERIR, 2,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_SYSREG, "sysreg", "div_aclk_100", GATE_IP_PERIR, 1,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_CHIP_ID, "chip_id", "div_aclk_100", GATE_IP_PERIR, 0,
CLK_IGNORE_UNUSED, 0),
/* GATE_SCLK_CAM */
GATE(CLK_SCLK_JPEG, "sclk_jpeg", "div_cam_blk",
GATE_SCLK_CAM, 8, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_M2MSCALER, "sclk_m2mscaler", "div_cam_blk",
GATE_SCLK_CAM, 2, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_GSCALER1, "sclk_gscaler1", "div_cam_blk",
GATE_SCLK_CAM, 1, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_GSCALER0, "sclk_gscaler0", "div_cam_blk",
GATE_SCLK_CAM, 0, CLK_SET_RATE_PARENT, 0),
/* GATE_SCLK_MFC */
GATE(CLK_SCLK_MFC, "sclk_mfc", "div_mfc",
GATE_SCLK_MFC, 0, CLK_SET_RATE_PARENT, 0),
/* GATE_SCLK_G3D */
GATE(CLK_SCLK_G3D, "sclk_g3d", "div_g3d",
GATE_SCLK_G3D, 0, CLK_SET_RATE_PARENT, 0),
/* GATE_SCLK_LCD */
GATE(CLK_SCLK_MIPIDPHY2L, "sclk_mipidphy2l", "div_mipi0",
GATE_SCLK_LCD, 4, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_MIPI0, "sclk_mipi0", "div_mipi0_pre",
GATE_SCLK_LCD, 3, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_FIMD0, "sclk_fimd0", "div_fimd0",
GATE_SCLK_LCD, 0, CLK_SET_RATE_PARENT, 0),
/* GATE_SCLK_ISP_TOP */
GATE(CLK_SCLK_CAM1, "sclk_cam1", "div_cam1",
GATE_SCLK_ISP_TOP, 4, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_UART_ISP, "sclk_uart_isp", "div_uart_isp",
GATE_SCLK_ISP_TOP, 3, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_SPI1_ISP, "sclk_spi1_isp", "div_spi1_isp",
GATE_SCLK_ISP_TOP, 2, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_SPI0_ISP, "sclk_spi0_isp", "div_spi0_isp",
GATE_SCLK_ISP_TOP, 1, CLK_SET_RATE_PARENT, 0),
/* GATE_SCLK_FSYS */
GATE(CLK_SCLK_UPLL, "sclk_upll", "mout_upll", GATE_SCLK_FSYS, 10, 0, 0),
GATE(CLK_SCLK_TSADC, "sclk_tsadc", "div_tsadc_pre",
GATE_SCLK_FSYS, 9, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_EBI, "sclk_ebi", "div_ebi",
GATE_SCLK_FSYS, 6, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_MMC1, "sclk_mmc1", "div_mmc1_pre",
GATE_SCLK_FSYS, 1, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_MMC0, "sclk_mmc0", "div_mmc0_pre",
GATE_SCLK_FSYS, 0, CLK_SET_RATE_PARENT, 0),
/* GATE_SCLK_PERIL */
GATE(CLK_SCLK_I2S, "sclk_i2s", "div_i2s",
GATE_SCLK_PERIL, 18, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_PCM, "sclk_pcm", "div_pcm",
GATE_SCLK_PERIL, 16, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_SPI1, "sclk_spi1", "div_spi1_pre",
GATE_SCLK_PERIL, 7, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_SPI0, "sclk_spi0", "div_spi0_pre",
GATE_SCLK_PERIL, 6, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_UART1, "sclk_uart1", "div_uart1",
GATE_SCLK_PERIL, 1, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_UART0, "sclk_uart0", "div_uart0",
GATE_SCLK_PERIL, 0, CLK_SET_RATE_PARENT, 0),
/* GATE_IP_CAM */
GATE(CLK_QEJPEG, "qejpeg", "div_cam_blk_320", GATE_IP_CAM, 19,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PIXELASYNCM1, "pixelasyncm1", "div_cam_blk_320",
GATE_IP_CAM, 18, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PIXELASYNCM0, "pixelasyncm0", "div_cam_blk_320",
GATE_IP_CAM, 17, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMUCAMIF, "ppmucamif", "div_cam_blk_320",
GATE_IP_CAM, 16, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QEM2MSCALER, "qem2mscaler", "div_cam_blk_320",
GATE_IP_CAM, 14, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QEGSCALER1, "qegscaler1", "div_cam_blk_320",
GATE_IP_CAM, 13, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QEGSCALER0, "qegscaler0", "div_cam_blk_320",
GATE_IP_CAM, 12, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMUJPEG, "smmujpeg", "div_cam_blk_320",
GATE_IP_CAM, 11, 0, 0),
GATE(CLK_SMMUM2M2SCALER, "smmum2m2scaler", "div_cam_blk_320",
GATE_IP_CAM, 9, 0, 0),
GATE(CLK_SMMUGSCALER1, "smmugscaler1", "div_cam_blk_320",
GATE_IP_CAM, 8, 0, 0),
GATE(CLK_SMMUGSCALER0, "smmugscaler0", "div_cam_blk_320",
GATE_IP_CAM, 7, 0, 0),
GATE(CLK_JPEG, "jpeg", "div_cam_blk_320", GATE_IP_CAM, 6, 0, 0),
GATE(CLK_M2MSCALER, "m2mscaler", "div_cam_blk_320",
GATE_IP_CAM, 2, 0, 0),
GATE(CLK_GSCALER1, "gscaler1", "div_cam_blk_320", GATE_IP_CAM, 1, 0, 0),
GATE(CLK_GSCALER0, "gscaler0", "div_cam_blk_320", GATE_IP_CAM, 0, 0, 0),
/* GATE_IP_MFC */
GATE(CLK_QEMFC, "qemfc", "div_aclk_200", GATE_IP_MFC, 5,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMUMFC_L, "ppmumfc_l", "div_aclk_200", GATE_IP_MFC, 3,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMUMFC_L, "smmumfc_l", "div_aclk_200", GATE_IP_MFC, 1, 0, 0),
GATE(CLK_MFC, "mfc", "div_aclk_200", GATE_IP_MFC, 0, 0, 0),
/* GATE_IP_G3D */
GATE(CLK_SMMUG3D, "smmug3d", "div_aclk_200", GATE_IP_G3D, 3, 0, 0),
GATE(CLK_QEG3D, "qeg3d", "div_aclk_200", GATE_IP_G3D, 2,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMUG3D, "ppmug3d", "div_aclk_200", GATE_IP_G3D, 1,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_G3D, "g3d", "div_aclk_200", GATE_IP_G3D, 0, 0, 0),
/* GATE_IP_LCD */
GATE(CLK_QE_CH1_LCD, "qe_ch1_lcd", "div_aclk_160", GATE_IP_LCD, 7,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_CH0_LCD, "qe_ch0_lcd", "div_aclk_160", GATE_IP_LCD, 6,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMULCD0, "ppmulcd0", "div_aclk_160", GATE_IP_LCD, 5,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMUFIMD0, "smmufimd0", "div_aclk_160", GATE_IP_LCD, 4, 0, 0),
GATE(CLK_DSIM0, "dsim0", "div_aclk_160", GATE_IP_LCD, 3, 0, 0),
GATE(CLK_SMIES, "smies", "div_aclk_160", GATE_IP_LCD, 2, 0, 0),
GATE(CLK_FIMD0, "fimd0", "div_aclk_160", GATE_IP_LCD, 0, 0, 0),
/* GATE_IP_ISP */
GATE(CLK_CAM1, "cam1", "mout_aclk_266_sub", GATE_IP_ISP, 5, 0, 0),
GATE(CLK_UART_ISP_TOP, "uart_isp_top", "mout_aclk_266_sub",
GATE_IP_ISP, 3, 0, 0),
GATE(CLK_SPI1_ISP_TOP, "spi1_isp_top", "mout_aclk_266_sub",
GATE_IP_ISP, 2, 0, 0),
GATE(CLK_SPI0_ISP_TOP, "spi0_isp_top", "mout_aclk_266_sub",
GATE_IP_ISP, 1, 0, 0),
/* GATE_IP_FSYS */
GATE(CLK_TSADC, "tsadc", "div_aclk_200", GATE_IP_FSYS, 20, 0, 0),
GATE(CLK_PPMUFILE, "ppmufile", "div_aclk_200", GATE_IP_FSYS, 17,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_USBOTG, "usbotg", "div_aclk_200", GATE_IP_FSYS, 13, 0, 0),
GATE(CLK_USBHOST, "usbhost", "div_aclk_200", GATE_IP_FSYS, 12, 0, 0),
GATE(CLK_SROMC, "sromc", "div_aclk_200", GATE_IP_FSYS, 11, 0, 0),
GATE(CLK_SDMMC1, "sdmmc1", "div_aclk_200", GATE_IP_FSYS, 6, 0, 0),
GATE(CLK_SDMMC0, "sdmmc0", "div_aclk_200", GATE_IP_FSYS, 5, 0, 0),
GATE(CLK_PDMA1, "pdma1", "div_aclk_200", GATE_IP_FSYS, 1, 0, 0),
GATE(CLK_PDMA0, "pdma0", "div_aclk_200", GATE_IP_FSYS, 0, 0, 0),
/* GATE_IP_PERIL */
GATE(CLK_PWM, "pwm", "div_aclk_100", GATE_IP_PERIL, 24, 0, 0),
GATE(CLK_PCM, "pcm", "div_aclk_100", GATE_IP_PERIL, 23, 0, 0),
GATE(CLK_I2S, "i2s", "div_aclk_100", GATE_IP_PERIL, 21, 0, 0),
GATE(CLK_SPI1, "spi1", "div_aclk_100", GATE_IP_PERIL, 17, 0, 0),
GATE(CLK_SPI0, "spi0", "div_aclk_100", GATE_IP_PERIL, 16, 0, 0),
GATE(CLK_I2C7, "i2c7", "div_aclk_100", GATE_IP_PERIL, 13, 0, 0),
GATE(CLK_I2C6, "i2c6", "div_aclk_100", GATE_IP_PERIL, 12, 0, 0),
GATE(CLK_I2C5, "i2c5", "div_aclk_100", GATE_IP_PERIL, 11, 0, 0),
GATE(CLK_I2C4, "i2c4", "div_aclk_100", GATE_IP_PERIL, 10, 0, 0),
GATE(CLK_I2C3, "i2c3", "div_aclk_100", GATE_IP_PERIL, 9, 0, 0),
GATE(CLK_I2C2, "i2c2", "div_aclk_100", GATE_IP_PERIL, 8, 0, 0),
GATE(CLK_I2C1, "i2c1", "div_aclk_100", GATE_IP_PERIL, 7, 0, 0),
GATE(CLK_I2C0, "i2c0", "div_aclk_100", GATE_IP_PERIL, 6, 0, 0),
GATE(CLK_UART1, "uart1", "div_aclk_100", GATE_IP_PERIL, 1, 0, 0),
GATE(CLK_UART0, "uart0", "div_aclk_100", GATE_IP_PERIL, 0, 0, 0),
};
/* APLL & MPLL & BPLL & UPLL */
static struct samsung_pll_rate_table exynos3250_pll_rates[] = {
PLL_35XX_RATE(1200000000, 400, 4, 1),
PLL_35XX_RATE(1100000000, 275, 3, 1),
PLL_35XX_RATE(1066000000, 533, 6, 1),
PLL_35XX_RATE(1000000000, 250, 3, 1),
PLL_35XX_RATE( 960000000, 320, 4, 1),
PLL_35XX_RATE( 900000000, 300, 4, 1),
PLL_35XX_RATE( 850000000, 425, 6, 1),
PLL_35XX_RATE( 800000000, 200, 3, 1),
PLL_35XX_RATE( 700000000, 175, 3, 1),
PLL_35XX_RATE( 667000000, 667, 12, 1),
PLL_35XX_RATE( 600000000, 400, 4, 2),
PLL_35XX_RATE( 533000000, 533, 6, 2),
PLL_35XX_RATE( 520000000, 260, 3, 2),
PLL_35XX_RATE( 500000000, 250, 3, 2),
PLL_35XX_RATE( 400000000, 200, 3, 2),
PLL_35XX_RATE( 200000000, 200, 3, 3),
PLL_35XX_RATE( 100000000, 200, 3, 4),
{ /* sentinel */ }
};
/* EPLL */
static struct samsung_pll_rate_table exynos3250_epll_rates[] = {
PLL_36XX_RATE(800000000, 200, 3, 1, 0),
PLL_36XX_RATE(288000000, 96, 2, 2, 0),
PLL_36XX_RATE(192000000, 128, 2, 3, 0),
PLL_36XX_RATE(144000000, 96, 2, 3, 0),
PLL_36XX_RATE( 96000000, 128, 2, 4, 0),
PLL_36XX_RATE( 84000000, 112, 2, 4, 0),
PLL_36XX_RATE( 80000004, 106, 2, 4, 43691),
PLL_36XX_RATE( 73728000, 98, 2, 4, 19923),
PLL_36XX_RATE( 67737598, 270, 3, 5, 62285),
PLL_36XX_RATE( 65535999, 174, 2, 5, 49982),
PLL_36XX_RATE( 50000000, 200, 3, 5, 0),
PLL_36XX_RATE( 49152002, 131, 2, 5, 4719),
PLL_36XX_RATE( 48000000, 128, 2, 5, 0),
PLL_36XX_RATE( 45158401, 180, 3, 5, 41524),
{ /* sentinel */ }
};
/* VPLL */
static struct samsung_pll_rate_table exynos3250_vpll_rates[] = {
PLL_36XX_RATE(600000000, 100, 2, 1, 0),
PLL_36XX_RATE(533000000, 266, 3, 2, 32768),
PLL_36XX_RATE(519230987, 173, 2, 2, 5046),
PLL_36XX_RATE(500000000, 250, 3, 2, 0),
PLL_36XX_RATE(445500000, 148, 2, 2, 32768),
PLL_36XX_RATE(445055007, 148, 2, 2, 23047),
PLL_36XX_RATE(400000000, 200, 3, 2, 0),
PLL_36XX_RATE(371250000, 123, 2, 2, 49152),
PLL_36XX_RATE(370878997, 185, 3, 2, 28803),
PLL_36XX_RATE(340000000, 170, 3, 2, 0),
PLL_36XX_RATE(335000015, 111, 2, 2, 43691),
PLL_36XX_RATE(333000000, 111, 2, 2, 0),
PLL_36XX_RATE(330000000, 110, 2, 2, 0),
PLL_36XX_RATE(320000015, 106, 2, 2, 43691),
PLL_36XX_RATE(300000000, 100, 2, 2, 0),
PLL_36XX_RATE(275000000, 275, 3, 3, 0),
PLL_36XX_RATE(222750000, 148, 2, 3, 32768),
PLL_36XX_RATE(222528007, 148, 2, 3, 23069),
PLL_36XX_RATE(160000000, 160, 3, 3, 0),
PLL_36XX_RATE(148500000, 99, 2, 3, 0),
PLL_36XX_RATE(148352005, 98, 2, 3, 59070),
PLL_36XX_RATE(108000000, 144, 2, 4, 0),
PLL_36XX_RATE( 74250000, 99, 2, 4, 0),
PLL_36XX_RATE( 74176002, 98, 3, 4, 59070),
PLL_36XX_RATE( 54054000, 216, 3, 5, 14156),
PLL_36XX_RATE( 54000000, 144, 2, 5, 0),
{ /* sentinel */ }
};
static struct samsung_pll_clock exynos3250_plls[nr_plls] __initdata = {
[apll] = PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
APLL_LOCK, APLL_CON0, NULL),
[mpll] = PLL(pll_35xx, CLK_FOUT_MPLL, "fout_mpll", "fin_pll",
MPLL_LOCK, MPLL_CON0, NULL),
[vpll] = PLL(pll_36xx, CLK_FOUT_VPLL, "fout_vpll", "fin_pll",
VPLL_LOCK, VPLL_CON0, NULL),
[upll] = PLL(pll_35xx, CLK_FOUT_UPLL, "fout_upll", "fin_pll",
UPLL_LOCK, UPLL_CON0, NULL),
};
static void __init exynos3_core_down_clock(void)
{
unsigned int tmp;
/*
* Enable arm clock down (in idle) and set arm divider
* ratios in WFI/WFE state.
*/
tmp = (PWR_CTRL1_CORE2_DOWN_RATIO(7) | PWR_CTRL1_CORE1_DOWN_RATIO(7) |
PWR_CTRL1_DIV2_DOWN_EN | PWR_CTRL1_DIV1_DOWN_EN |
PWR_CTRL1_USE_CORE1_WFE | PWR_CTRL1_USE_CORE0_WFE |
PWR_CTRL1_USE_CORE1_WFI | PWR_CTRL1_USE_CORE0_WFI);
__raw_writel(tmp, reg_base + PWR_CTRL1);
/*
* Disable the clock up feature on Exynos4x12, in case it was
* enabled by bootloader.
*/
__raw_writel(0x0, reg_base + PWR_CTRL2);
}
static void __init exynos3250_cmu_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
samsung_clk_register_fixed_factor(ctx, fixed_factor_clks,
ARRAY_SIZE(fixed_factor_clks));
exynos3250_plls[apll].rate_table = exynos3250_pll_rates;
exynos3250_plls[mpll].rate_table = exynos3250_pll_rates;
exynos3250_plls[vpll].rate_table = exynos3250_vpll_rates;
exynos3250_plls[upll].rate_table = exynos3250_pll_rates;
samsung_clk_register_pll(ctx, exynos3250_plls,
ARRAY_SIZE(exynos3250_plls), reg_base);
samsung_clk_register_mux(ctx, mux_clks, ARRAY_SIZE(mux_clks));
samsung_clk_register_div(ctx, div_clks, ARRAY_SIZE(div_clks));
samsung_clk_register_gate(ctx, gate_clks, ARRAY_SIZE(gate_clks));
exynos3_core_down_clock();
exynos3250_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
}
CLK_OF_DECLARE(exynos3250_cmu, "samsung,exynos3250-cmu", exynos3250_cmu_init);
/*
* CMU DMC
*/
#define BPLL_LOCK 0x0118
#define BPLL_CON0 0x0218
#define BPLL_CON1 0x021c
#define BPLL_CON2 0x0220
#define SRC_DMC 0x0300
#define DIV_DMC1 0x0504
#define GATE_BUS_DMC0 0x0700
#define GATE_BUS_DMC1 0x0704
#define GATE_BUS_DMC2 0x0708
#define GATE_BUS_DMC3 0x070c
#define GATE_SCLK_DMC 0x0800
#define GATE_IP_DMC0 0x0900
#define GATE_IP_DMC1 0x0904
#define EPLL_LOCK 0x1110
#define EPLL_CON0 0x1114
#define EPLL_CON1 0x1118
#define EPLL_CON2 0x111c
#define SRC_EPLL 0x1120
/*
* Support for CMU save/restore across system suspends
*/
#ifdef CONFIG_PM_SLEEP
static struct samsung_clk_reg_dump *exynos3250_dmc_clk_regs;
static unsigned long exynos3250_cmu_dmc_clk_regs[] __initdata = {
BPLL_LOCK,
BPLL_CON0,
BPLL_CON1,
BPLL_CON2,
SRC_DMC,
DIV_DMC1,
GATE_BUS_DMC0,
GATE_BUS_DMC1,
GATE_BUS_DMC2,
GATE_BUS_DMC3,
GATE_SCLK_DMC,
GATE_IP_DMC0,
GATE_IP_DMC1,
EPLL_LOCK,
EPLL_CON0,
EPLL_CON1,
EPLL_CON2,
SRC_EPLL,
};
static int exynos3250_dmc_clk_suspend(void)
{
samsung_clk_save(dmc_reg_base, exynos3250_dmc_clk_regs,
ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs));
return 0;
}
static void exynos3250_dmc_clk_resume(void)
{
samsung_clk_restore(dmc_reg_base, exynos3250_dmc_clk_regs,
ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs));
}
static struct syscore_ops exynos3250_dmc_clk_syscore_ops = {
.suspend = exynos3250_dmc_clk_suspend,
.resume = exynos3250_dmc_clk_resume,
};
static void exynos3250_dmc_clk_sleep_init(void)
{
exynos3250_dmc_clk_regs =
samsung_clk_alloc_reg_dump(exynos3250_cmu_dmc_clk_regs,
ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs));
if (!exynos3250_dmc_clk_regs) {
pr_warn("%s: Failed to allocate sleep save data\n", __func__);
goto err;
}
register_syscore_ops(&exynos3250_dmc_clk_syscore_ops);
return;
err:
kfree(exynos3250_dmc_clk_regs);
}
#else
static inline void exynos3250_dmc_clk_sleep_init(void) { }
#endif
PNAME(mout_epll_p) = { "fin_pll", "fout_epll", };
PNAME(mout_bpll_p) = { "fin_pll", "fout_bpll", };
PNAME(mout_mpll_mif_p) = { "fin_pll", "sclk_mpll_mif", };
PNAME(mout_dphy_p) = { "mout_mpll_mif", "mout_bpll", };
static struct samsung_mux_clock dmc_mux_clks[] __initdata = {
/*
* NOTE: Following table is sorted by register address in ascending
* order and then bitfield shift in descending order, as it is done
* in the User's Manual. When adding new entries, please make sure
* that the order is preserved, to avoid merge conflicts and make
* further work with defined data easier.
*/
/* SRC_DMC */
MUX(CLK_MOUT_MPLL_MIF, "mout_mpll_mif", mout_mpll_mif_p, SRC_DMC, 12, 1),
MUX(CLK_MOUT_BPLL, "mout_bpll", mout_bpll_p, SRC_DMC, 10, 1),
MUX(CLK_MOUT_DPHY, "mout_dphy", mout_dphy_p, SRC_DMC, 8, 1),
MUX(CLK_MOUT_DMC_BUS, "mout_dmc_bus", mout_dphy_p, SRC_DMC, 4, 1),
/* SRC_EPLL */
MUX(CLK_MOUT_EPLL, "mout_epll", mout_epll_p, SRC_EPLL, 4, 1),
};
static struct samsung_div_clock dmc_div_clks[] __initdata = {
/*
* NOTE: Following table is sorted by register address in ascending
* order and then bitfield shift in descending order, as it is done
* in the User's Manual. When adding new entries, please make sure
* that the order is preserved, to avoid merge conflicts and make
* further work with defined data easier.
*/
/* DIV_DMC1 */
DIV(CLK_DIV_DMC, "div_dmc", "div_dmc_pre", DIV_DMC1, 27, 3),
DIV(CLK_DIV_DPHY, "div_dphy", "mout_dphy", DIV_DMC1, 23, 3),
DIV(CLK_DIV_DMC_PRE, "div_dmc_pre", "mout_dmc_bus", DIV_DMC1, 19, 2),
DIV(CLK_DIV_DMCP, "div_dmcp", "div_dmcd", DIV_DMC1, 15, 3),
DIV(CLK_DIV_DMCD, "div_dmcd", "div_dmc", DIV_DMC1, 11, 3),
};
static struct samsung_pll_clock exynos3250_dmc_plls[nr_dmc_plls] __initdata = {
[bpll] = PLL(pll_35xx, CLK_FOUT_BPLL, "fout_bpll", "fin_pll",
BPLL_LOCK, BPLL_CON0, NULL),
[epll] = PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
EPLL_LOCK, EPLL_CON0, NULL),
};
static void __init exynos3250_cmu_dmc_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
dmc_reg_base = of_iomap(np, 0);
if (!dmc_reg_base)
panic("%s: failed to map registers\n", __func__);
ctx = samsung_clk_init(np, dmc_reg_base, NR_CLKS_DMC);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
exynos3250_dmc_plls[bpll].rate_table = exynos3250_pll_rates;
exynos3250_dmc_plls[epll].rate_table = exynos3250_epll_rates;
pr_err("CLK registering epll bpll: %d, %d, %d, %d\n",
exynos3250_dmc_plls[bpll].rate_table[0].rate,
exynos3250_dmc_plls[bpll].rate_table[0].mdiv,
exynos3250_dmc_plls[bpll].rate_table[0].pdiv,
exynos3250_dmc_plls[bpll].rate_table[0].sdiv
);
samsung_clk_register_pll(ctx, exynos3250_dmc_plls,
ARRAY_SIZE(exynos3250_dmc_plls), dmc_reg_base);
samsung_clk_register_mux(ctx, dmc_mux_clks, ARRAY_SIZE(dmc_mux_clks));
samsung_clk_register_div(ctx, dmc_div_clks, ARRAY_SIZE(dmc_div_clks));
exynos3250_dmc_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
}
CLK_OF_DECLARE(exynos3250_cmu_dmc, "samsung,exynos3250-cmu-dmc",
exynos3250_cmu_dmc_init);