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linux/drivers/clk/samsung/clk-exynos3250.c
Krzysztof Kozlowski f4f4dd0c45 clk: samsung: Suppress unbinding to prevent theoretical attacks 
Although unbinding a driver requires root privileges but it still might
be used theoretically in certain attacks (by triggering NULL pointer
exception or memory corruption if driver does not provide proper remove
callbacks or core does not handle it).

Samsung clock drivers are essential for system operation so their
removal is not expected. More over, the Exynos3250 ISP clock driver does
not implement remove() driver callback and it is not buildable as
modules.

Suppress the unbind interface for Exynos3250 ISP and S3C2410 DCLK clock
drivers.

Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-06-02 11:18:18 +02:00

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/*
* 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-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-cpu.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)
static const unsigned long exynos3250_cmu_clk_regs[] __initconst = {
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,
};
/* 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 const struct samsung_fixed_factor_clock fixed_factor_clks[] __initconst = {
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 const struct samsung_mux_clock mux_clks[] __initconst = {
/*
* 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_MMC2, "mout_mmc2", group_sclk_p, SRC_FSYS, 8, 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_UART2, "mout_uart2", group_sclk_p, SRC_PERIL0, 8, 4),
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_F(CLK_MOUT_CORE, "mout_core", mout_core_p, SRC_CPU, 16, 1,
CLK_SET_RATE_PARENT, 0),
MUX_F(CLK_MOUT_APLL, "mout_apll", mout_apll_p, SRC_CPU, 0, 1,
CLK_SET_RATE_PARENT, 0),
};
static const struct samsung_div_clock div_clks[] __initconst = {
/*
* 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_FSYS2 */
DIV_F(CLK_DIV_MMC2_PRE, "div_mmc2_pre", "div_mmc2", DIV_FSYS2, 8, 8,
CLK_SET_RATE_PARENT, 0),
DIV(CLK_DIV_MMC2, "div_mmc2", "mout_mmc2", DIV_FSYS2, 0, 4),
/* DIV_PERIL0 */
DIV(CLK_DIV_UART2, "div_uart2", "mout_uart2", DIV_PERIL0, 8, 4),
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 const struct samsung_gate_clock gate_clks[] __initconst = {
/*
* 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_MMC2, "sclk_mmc2", "div_mmc2_pre",
GATE_SCLK_FSYS, 2, 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_UART2, "sclk_uart2", "div_uart2",
GATE_SCLK_PERIL, 2, 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_SDMMC2, "sdmmc2", "div_aclk_200", GATE_IP_FSYS, 7, 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_UART2, "uart2", "div_aclk_100", GATE_IP_PERIL, 2, 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 const struct samsung_pll_rate_table exynos3250_pll_rates[] __initconst = {
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 const struct samsung_pll_rate_table exynos3250_epll_rates[] __initconst = {
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 const struct samsung_pll_rate_table exynos3250_vpll_rates[] __initconst = {
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 const struct samsung_pll_clock exynos3250_plls[] __initconst = {
PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
APLL_LOCK, APLL_CON0, exynos3250_pll_rates),
PLL(pll_35xx, CLK_FOUT_MPLL, "fout_mpll", "fin_pll",
MPLL_LOCK, MPLL_CON0, exynos3250_pll_rates),
PLL(pll_36xx, CLK_FOUT_VPLL, "fout_vpll", "fin_pll",
VPLL_LOCK, VPLL_CON0, exynos3250_vpll_rates),
PLL(pll_35xx, CLK_FOUT_UPLL, "fout_upll", "fin_pll",
UPLL_LOCK, UPLL_CON0, exynos3250_pll_rates),
};
static void __init exynos3_core_down_clock(void __iomem *reg_base)
{
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 const struct samsung_cmu_info cmu_info __initconst = {
.pll_clks = exynos3250_plls,
.nr_pll_clks = ARRAY_SIZE(exynos3250_plls),
.mux_clks = mux_clks,
.nr_mux_clks = ARRAY_SIZE(mux_clks),
.div_clks = div_clks,
.nr_div_clks = ARRAY_SIZE(div_clks),
.gate_clks = gate_clks,
.nr_gate_clks = ARRAY_SIZE(gate_clks),
.fixed_factor_clks = fixed_factor_clks,
.nr_fixed_factor_clks = ARRAY_SIZE(fixed_factor_clks),
.nr_clk_ids = CLK_NR_CLKS,
.clk_regs = exynos3250_cmu_clk_regs,
.nr_clk_regs = ARRAY_SIZE(exynos3250_cmu_clk_regs),
};
#define E3250_CPU_DIV0(apll, pclk_dbg, atb, corem) \
(((apll) << 24) | ((pclk_dbg) << 20) | ((atb) << 16) | \
((corem) << 4))
#define E3250_CPU_DIV1(hpm, copy) \
(((hpm) << 4) | ((copy) << 0))
static const struct exynos_cpuclk_cfg_data e3250_armclk_d[] __initconst = {
{ 1000000, E3250_CPU_DIV0(1, 7, 4, 1), E3250_CPU_DIV1(7, 7), },
{ 900000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 800000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 700000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 600000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 500000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 400000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 300000, E3250_CPU_DIV0(1, 5, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 200000, E3250_CPU_DIV0(1, 3, 3, 1), E3250_CPU_DIV1(7, 7), },
{ 100000, E3250_CPU_DIV0(1, 1, 1, 1), E3250_CPU_DIV1(7, 7), },
{ 0 },
};
static void __init exynos3250_cmu_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
ctx = samsung_cmu_register_one(np, &cmu_info);
if (!ctx)
return;
exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
mout_core_p[0], mout_core_p[1], 0x14200,
e3250_armclk_d, ARRAY_SIZE(e3250_armclk_d),
CLK_CPU_HAS_DIV1);
exynos3_core_down_clock(ctx->reg_base);
}
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
static const unsigned long exynos3250_cmu_dmc_clk_regs[] __initconst = {
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,
};
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 const struct samsung_mux_clock dmc_mux_clks[] __initconst = {
/*
* 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 const struct samsung_div_clock dmc_div_clks[] __initconst = {
/*
* 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 const struct samsung_pll_clock exynos3250_dmc_plls[] __initconst = {
PLL(pll_35xx, CLK_FOUT_BPLL, "fout_bpll", "fin_pll",
BPLL_LOCK, BPLL_CON0, exynos3250_pll_rates),
PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
EPLL_LOCK, EPLL_CON0, exynos3250_epll_rates),
};
static const struct samsung_cmu_info dmc_cmu_info __initconst = {
.pll_clks = exynos3250_dmc_plls,
.nr_pll_clks = ARRAY_SIZE(exynos3250_dmc_plls),
.mux_clks = dmc_mux_clks,
.nr_mux_clks = ARRAY_SIZE(dmc_mux_clks),
.div_clks = dmc_div_clks,
.nr_div_clks = ARRAY_SIZE(dmc_div_clks),
.nr_clk_ids = NR_CLKS_DMC,
.clk_regs = exynos3250_cmu_dmc_clk_regs,
.nr_clk_regs = ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs),
};
static void __init exynos3250_cmu_dmc_init(struct device_node *np)
{
samsung_cmu_register_one(np, &dmc_cmu_info);
}
CLK_OF_DECLARE(exynos3250_cmu_dmc, "samsung,exynos3250-cmu-dmc",
exynos3250_cmu_dmc_init);
/*
* CMU ISP
*/
#define DIV_ISP0 0x300
#define DIV_ISP1 0x304
#define GATE_IP_ISP0 0x800
#define GATE_IP_ISP1 0x804
#define GATE_SCLK_ISP 0x900
static const struct samsung_div_clock isp_div_clks[] __initconst = {
/*
* 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_ISP0 */
DIV(CLK_DIV_ISP1, "div_isp1", "mout_aclk_266_sub", DIV_ISP0, 4, 3),
DIV(CLK_DIV_ISP0, "div_isp0", "mout_aclk_266_sub", DIV_ISP0, 0, 3),
/* DIV_ISP1 */
DIV(CLK_DIV_MCUISP1, "div_mcuisp1", "mout_aclk_400_mcuisp_sub",
DIV_ISP1, 8, 3),
DIV(CLK_DIV_MCUISP0, "div_mcuisp0", "mout_aclk_400_mcuisp_sub",
DIV_ISP1, 4, 3),
DIV(CLK_DIV_MPWM, "div_mpwm", "div_isp1", DIV_ISP1, 0, 3),
};
static const struct samsung_gate_clock isp_gate_clks[] __initconst = {
/*
* 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_ISP0 */
GATE(CLK_UART_ISP, "uart_isp", "uart_isp_top",
GATE_IP_ISP0, 31, CLK_IGNORE_UNUSED, 0),
GATE(CLK_WDT_ISP, "wdt_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 30, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PWM_ISP, "pwm_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 28, CLK_IGNORE_UNUSED, 0),
GATE(CLK_I2C1_ISP, "i2c1_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 26, CLK_IGNORE_UNUSED, 0),
GATE(CLK_I2C0_ISP, "i2c0_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 25, CLK_IGNORE_UNUSED, 0),
GATE(CLK_MPWM_ISP, "mpwm_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 24, CLK_IGNORE_UNUSED, 0),
GATE(CLK_MCUCTL_ISP, "mcuctl_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 23, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMUISPX, "ppmuispx", "mout_aclk_266_sub",
GATE_IP_ISP0, 21, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PPMUISPMX, "ppmuispmx", "mout_aclk_266_sub",
GATE_IP_ISP0, 20, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_LITE1, "qe_lite1", "mout_aclk_266_sub",
GATE_IP_ISP0, 18, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_LITE0, "qe_lite0", "mout_aclk_266_sub",
GATE_IP_ISP0, 17, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_FD, "qe_fd", "mout_aclk_266_sub",
GATE_IP_ISP0, 16, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_DRC, "qe_drc", "mout_aclk_266_sub",
GATE_IP_ISP0, 15, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_ISP, "qe_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 14, CLK_IGNORE_UNUSED, 0),
GATE(CLK_CSIS1, "csis1", "mout_aclk_266_sub",
GATE_IP_ISP0, 13, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_LITE1, "smmu_lite1", "mout_aclk_266_sub",
GATE_IP_ISP0, 12, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_LITE0, "smmu_lite0", "mout_aclk_266_sub",
GATE_IP_ISP0, 11, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_FD, "smmu_fd", "mout_aclk_266_sub",
GATE_IP_ISP0, 10, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_DRC, "smmu_drc", "mout_aclk_266_sub",
GATE_IP_ISP0, 9, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_ISP, "smmu_isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 8, CLK_IGNORE_UNUSED, 0),
GATE(CLK_GICISP, "gicisp", "mout_aclk_266_sub",
GATE_IP_ISP0, 7, CLK_IGNORE_UNUSED, 0),
GATE(CLK_CSIS0, "csis0", "mout_aclk_266_sub",
GATE_IP_ISP0, 6, CLK_IGNORE_UNUSED, 0),
GATE(CLK_MCUISP, "mcuisp", "mout_aclk_266_sub",
GATE_IP_ISP0, 5, CLK_IGNORE_UNUSED, 0),
GATE(CLK_LITE1, "lite1", "mout_aclk_266_sub",
GATE_IP_ISP0, 4, CLK_IGNORE_UNUSED, 0),
GATE(CLK_LITE0, "lite0", "mout_aclk_266_sub",
GATE_IP_ISP0, 3, CLK_IGNORE_UNUSED, 0),
GATE(CLK_FD, "fd", "mout_aclk_266_sub",
GATE_IP_ISP0, 2, CLK_IGNORE_UNUSED, 0),
GATE(CLK_DRC, "drc", "mout_aclk_266_sub",
GATE_IP_ISP0, 1, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ISP, "isp", "mout_aclk_266_sub",
GATE_IP_ISP0, 0, CLK_IGNORE_UNUSED, 0),
/* GATE_IP_ISP1 */
GATE(CLK_QE_ISPCX, "qe_ispcx", "uart_isp_top",
GATE_IP_ISP0, 21, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_SCALERP, "qe_scalerp", "uart_isp_top",
GATE_IP_ISP0, 20, CLK_IGNORE_UNUSED, 0),
GATE(CLK_QE_SCALERC, "qe_scalerc", "uart_isp_top",
GATE_IP_ISP0, 19, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_SCALERP, "smmu_scalerp", "uart_isp_top",
GATE_IP_ISP0, 18, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_SCALERC, "smmu_scalerc", "uart_isp_top",
GATE_IP_ISP0, 17, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SCALERP, "scalerp", "uart_isp_top",
GATE_IP_ISP0, 16, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SCALERC, "scalerc", "uart_isp_top",
GATE_IP_ISP0, 15, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SPI1_ISP, "spi1_isp", "uart_isp_top",
GATE_IP_ISP0, 13, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SPI0_ISP, "spi0_isp", "uart_isp_top",
GATE_IP_ISP0, 12, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SMMU_ISPCX, "smmu_ispcx", "uart_isp_top",
GATE_IP_ISP0, 4, CLK_IGNORE_UNUSED, 0),
GATE(CLK_ASYNCAXIM, "asyncaxim", "uart_isp_top",
GATE_IP_ISP0, 0, CLK_IGNORE_UNUSED, 0),
/* GATE_SCLK_ISP */
GATE(CLK_SCLK_MPWM_ISP, "sclk_mpwm_isp", "div_mpwm",
GATE_SCLK_ISP, 0, CLK_IGNORE_UNUSED, 0),
};
static const struct samsung_cmu_info isp_cmu_info __initconst = {
.div_clks = isp_div_clks,
.nr_div_clks = ARRAY_SIZE(isp_div_clks),
.gate_clks = isp_gate_clks,
.nr_gate_clks = ARRAY_SIZE(isp_gate_clks),
.nr_clk_ids = NR_CLKS_ISP,
};
static int __init exynos3250_cmu_isp_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
samsung_cmu_register_one(np, &isp_cmu_info);
return 0;
}
static const struct of_device_id exynos3250_cmu_isp_of_match[] __initconst = {
{ .compatible = "samsung,exynos3250-cmu-isp", },
{ /* sentinel */ }
};
static struct platform_driver exynos3250_cmu_isp_driver __initdata = {
.driver = {
.name = "exynos3250-cmu-isp",
.suppress_bind_attrs = true,
.of_match_table = exynos3250_cmu_isp_of_match,
},
};
static int __init exynos3250_cmu_platform_init(void)
{
return platform_driver_probe(&exynos3250_cmu_isp_driver,
exynos3250_cmu_isp_probe);
}
subsys_initcall(exynos3250_cmu_platform_init);
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