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kernel/linux-imx6_3.14.28/drivers/clk/samsung/clk-exynos5250.c 25.5 KB
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  /*
   * 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 Exynos5250 SoC.
  */
  
  #include <dt-bindings/clock/exynos5250.h>
  #include <linux/clk.h>
  #include <linux/clkdev.h>
  #include <linux/clk-provider.h>
  #include <linux/of.h>
  #include <linux/of_address.h>
  
  #include "clk.h"
  
  #define APLL_LOCK		0x0
  #define APLL_CON0		0x100
  #define SRC_CPU			0x200
  #define DIV_CPU0		0x500
  #define MPLL_LOCK		0x4000
  #define MPLL_CON0		0x4100
  #define SRC_CORE1		0x4204
  #define GATE_IP_ACP		0x8800
  #define CPLL_LOCK		0x10020
  #define EPLL_LOCK		0x10030
  #define VPLL_LOCK		0x10040
  #define GPLL_LOCK		0x10050
  #define CPLL_CON0		0x10120
  #define EPLL_CON0		0x10130
  #define VPLL_CON0		0x10140
  #define GPLL_CON0		0x10150
  #define SRC_TOP0		0x10210
  #define SRC_TOP2		0x10218
  #define SRC_TOP3		0x1021c
  #define SRC_GSCL		0x10220
  #define SRC_DISP1_0		0x1022c
  #define SRC_MAU			0x10240
  #define SRC_FSYS		0x10244
  #define SRC_GEN			0x10248
  #define SRC_PERIC0		0x10250
  #define SRC_PERIC1		0x10254
  #define SRC_MASK_GSCL		0x10320
  #define SRC_MASK_DISP1_0	0x1032c
  #define SRC_MASK_MAU		0x10334
  #define SRC_MASK_FSYS		0x10340
  #define SRC_MASK_GEN		0x10344
  #define SRC_MASK_PERIC0		0x10350
  #define SRC_MASK_PERIC1		0x10354
  #define DIV_TOP0		0x10510
  #define DIV_TOP1		0x10514
  #define DIV_GSCL		0x10520
  #define DIV_DISP1_0		0x1052c
  #define DIV_GEN			0x1053c
  #define DIV_MAU			0x10544
  #define DIV_FSYS0		0x10548
  #define DIV_FSYS1		0x1054c
  #define DIV_FSYS2		0x10550
  #define DIV_PERIC0		0x10558
  #define DIV_PERIC1		0x1055c
  #define DIV_PERIC2		0x10560
  #define DIV_PERIC3		0x10564
  #define DIV_PERIC4		0x10568
  #define DIV_PERIC5		0x1056c
  #define GATE_IP_GSCL		0x10920
  #define GATE_IP_DISP1		0x10928
  #define GATE_IP_MFC		0x1092c
  #define GATE_IP_GEN		0x10934
  #define GATE_IP_FSYS		0x10944
  #define GATE_IP_PERIC		0x10950
  #define GATE_IP_PERIS		0x10960
  #define BPLL_LOCK		0x20010
  #define BPLL_CON0		0x20110
  #define SRC_CDREX		0x20200
  #define PLL_DIV2_SEL		0x20a24
  
  /* list of PLLs to be registered */
  enum exynos5250_plls {
  	apll, mpll, cpll, epll, vpll, gpll, bpll,
  	nr_plls			/* number of PLLs */
  };
  
  /*
   * list of controller registers to be saved and restored during a
   * suspend/resume cycle.
   */
  static unsigned long exynos5250_clk_regs[] __initdata = {
  	SRC_CPU,
  	DIV_CPU0,
  	SRC_CORE1,
  	SRC_TOP0,
  	SRC_TOP2,
  	SRC_TOP3,
  	SRC_GSCL,
  	SRC_DISP1_0,
  	SRC_MAU,
  	SRC_FSYS,
  	SRC_GEN,
  	SRC_PERIC0,
  	SRC_PERIC1,
  	SRC_MASK_GSCL,
  	SRC_MASK_DISP1_0,
  	SRC_MASK_MAU,
  	SRC_MASK_FSYS,
  	SRC_MASK_GEN,
  	SRC_MASK_PERIC0,
  	SRC_MASK_PERIC1,
  	DIV_TOP0,
  	DIV_TOP1,
  	DIV_GSCL,
  	DIV_DISP1_0,
  	DIV_GEN,
  	DIV_MAU,
  	DIV_FSYS0,
  	DIV_FSYS1,
  	DIV_FSYS2,
  	DIV_PERIC0,
  	DIV_PERIC1,
  	DIV_PERIC2,
  	DIV_PERIC3,
  	DIV_PERIC4,
  	DIV_PERIC5,
  	GATE_IP_GSCL,
  	GATE_IP_MFC,
  	GATE_IP_GEN,
  	GATE_IP_FSYS,
  	GATE_IP_PERIC,
  	GATE_IP_PERIS,
  	SRC_CDREX,
  	PLL_DIV2_SEL,
  	GATE_IP_DISP1,
  	GATE_IP_ACP,
  };
  
  /* list of all parent clock list */
  PNAME(mout_apll_p)	= { "fin_pll", "fout_apll", };
  PNAME(mout_cpu_p)	= { "mout_apll", "mout_mpll", };
  PNAME(mout_mpll_fout_p)	= { "fout_mplldiv2", "fout_mpll" };
  PNAME(mout_mpll_p)	= { "fin_pll", "mout_mpll_fout" };
  PNAME(mout_bpll_fout_p)	= { "fout_bplldiv2", "fout_bpll" };
  PNAME(mout_bpll_p)	= { "fin_pll", "mout_bpll_fout" };
  PNAME(mout_vpllsrc_p)	= { "fin_pll", "sclk_hdmi27m" };
  PNAME(mout_vpll_p)	= { "mout_vpllsrc", "fout_vpll" };
  PNAME(mout_cpll_p)	= { "fin_pll", "fout_cpll" };
  PNAME(mout_epll_p)	= { "fin_pll", "fout_epll" };
  PNAME(mout_mpll_user_p)	= { "fin_pll", "mout_mpll" };
  PNAME(mout_bpll_user_p)	= { "fin_pll", "mout_bpll" };
  PNAME(mout_aclk166_p)	= { "mout_cpll", "mout_mpll_user" };
  PNAME(mout_aclk200_p)	= { "mout_mpll_user", "mout_bpll_user" };
  PNAME(mout_aclk200_sub_p) = { "fin_pll", "div_aclk200" };
  PNAME(mout_aclk266_sub_p) = { "fin_pll", "div_aclk266" };
  PNAME(mout_aclk333_sub_p) = { "fin_pll", "div_aclk333" };
  PNAME(mout_hdmi_p)	= { "div_hdmi_pixel", "sclk_hdmiphy" };
  PNAME(mout_usb3_p)	= { "mout_mpll_user", "mout_cpll" };
  PNAME(mout_group1_p)	= { "fin_pll", "fin_pll", "sclk_hdmi27m",
  				"sclk_dptxphy", "sclk_uhostphy", "sclk_hdmiphy",
  				"mout_mpll_user", "mout_epll", "mout_vpll",
  				"mout_cpll", "none", "none",
  				"none", "none", "none",
  				"none" };
  PNAME(mout_audio0_p)	= { "cdclk0", "fin_pll", "sclk_hdmi27m", "sclk_dptxphy",
  				"sclk_uhostphy", "fin_pll",
  				"mout_mpll_user", "mout_epll", "mout_vpll",
  				"mout_cpll", "none", "none",
  				"none", "none", "none",
  				"none" };
  PNAME(mout_audio1_p)	= { "cdclk1", "fin_pll", "sclk_hdmi27m", "sclk_dptxphy",
  				"sclk_uhostphy", "fin_pll",
  				"mout_mpll_user", "mout_epll", "mout_vpll",
  				"mout_cpll", "none", "none",
  				"none", "none", "none",
  				"none" };
  PNAME(mout_audio2_p)	= { "cdclk2", "fin_pll", "sclk_hdmi27m", "sclk_dptxphy",
  				"sclk_uhostphy", "fin_pll",
  				"mout_mpll_user", "mout_epll", "mout_vpll",
  				"mout_cpll", "none", "none",
  				"none", "none", "none",
  				"none" };
  PNAME(mout_spdif_p)	= { "sclk_audio0", "sclk_audio1", "sclk_audio2",
  				"spdif_extclk" };
  
  /* fixed rate clocks generated outside the soc */
  static struct samsung_fixed_rate_clock exynos5250_fixed_rate_ext_clks[] __initdata = {
  	FRATE(CLK_FIN_PLL, "fin_pll", NULL, CLK_IS_ROOT, 0),
  };
  
  /* fixed rate clocks generated inside the soc */
  static struct samsung_fixed_rate_clock exynos5250_fixed_rate_clks[] __initdata = {
  	FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 24000000),
  	FRATE(0, "sclk_hdmi27m", NULL, CLK_IS_ROOT, 27000000),
  	FRATE(0, "sclk_dptxphy", NULL, CLK_IS_ROOT, 24000000),
  	FRATE(0, "sclk_uhostphy", NULL, CLK_IS_ROOT, 48000000),
  };
  
  static struct samsung_fixed_factor_clock exynos5250_fixed_factor_clks[] __initdata = {
  	FFACTOR(0, "fout_mplldiv2", "fout_mpll", 1, 2, 0),
  	FFACTOR(0, "fout_bplldiv2", "fout_bpll", 1, 2, 0),
  };
  
  static struct samsung_mux_clock exynos5250_pll_pmux_clks[] __initdata = {
  	MUX(0, "mout_vpllsrc", mout_vpllsrc_p, SRC_TOP2, 0, 1),
  };
  
  static struct samsung_mux_clock exynos5250_mux_clks[] __initdata = {
  	/*
  	 * NOTE: Following table is sorted by (clock domain, register address,
  	 * bitfield shift) triplet in ascending order. When adding new entries,
  	 * please make sure that the order is kept, to avoid merge conflicts
  	 * and make further work with defined data easier.
  	 */
  
  	/*
  	 * CMU_CPU
  	 */
  	MUX_FA(0, "mout_apll", mout_apll_p, SRC_CPU, 0, 1,
  					CLK_SET_RATE_PARENT, 0, "mout_apll"),
  	MUX_A(0, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1, "mout_cpu"),
  
  	/*
  	 * CMU_CORE
  	 */
  	MUX_A(0, "mout_mpll", mout_mpll_p, SRC_CORE1, 8, 1, "mout_mpll"),
  
  	/*
  	 * CMU_TOP
  	 */
  	MUX(0, "mout_aclk166", mout_aclk166_p, SRC_TOP0, 8, 1),
  	MUX(0, "mout_aclk200", mout_aclk200_p, SRC_TOP0, 12, 1),
  	MUX(0, "mout_aclk333", mout_aclk166_p, SRC_TOP0, 16, 1),
  
  	MUX(0, "mout_cpll", mout_cpll_p, SRC_TOP2, 8, 1),
  	MUX(0, "mout_epll", mout_epll_p, SRC_TOP2, 12, 1),
  	MUX(0, "mout_vpll", mout_vpll_p, SRC_TOP2, 16, 1),
  	MUX(0, "mout_mpll_user", mout_mpll_user_p, SRC_TOP2, 20, 1),
  	MUX(0, "mout_bpll_user", mout_bpll_user_p, SRC_TOP2, 24, 1),
  
  	MUX(0, "mout_aclk200_disp1_sub", mout_aclk200_sub_p, SRC_TOP3, 4, 1),
  	MUX(0, "mout_aclk266_gscl_sub", mout_aclk266_sub_p, SRC_TOP3, 8, 1),
  	MUX(0, "mout_aclk333_sub", mout_aclk333_sub_p, SRC_TOP3, 24, 1),
  
  	MUX(0, "mout_cam_bayer", mout_group1_p, SRC_GSCL, 12, 4),
  	MUX(0, "mout_cam0", mout_group1_p, SRC_GSCL, 16, 4),
  	MUX(0, "mout_cam1", mout_group1_p, SRC_GSCL, 20, 4),
  	MUX(0, "mout_gscl_wa", mout_group1_p, SRC_GSCL, 24, 4),
  	MUX(0, "mout_gscl_wb", mout_group1_p, SRC_GSCL, 28, 4),
  
  	MUX(0, "mout_fimd1", mout_group1_p, SRC_DISP1_0, 0, 4),
  	MUX(0, "mout_mipi1", mout_group1_p, SRC_DISP1_0, 12, 4),
  	MUX(0, "mout_dp", mout_group1_p, SRC_DISP1_0, 16, 4),
  	MUX(CLK_MOUT_HDMI, "mout_hdmi", mout_hdmi_p, SRC_DISP1_0, 20, 1),
  
  	MUX(0, "mout_audio0", mout_audio0_p, SRC_MAU, 0, 4),
  
  	MUX(0, "mout_mmc0", mout_group1_p, SRC_FSYS, 0, 4),
  	MUX(0, "mout_mmc1", mout_group1_p, SRC_FSYS, 4, 4),
  	MUX(0, "mout_mmc2", mout_group1_p, SRC_FSYS, 8, 4),
  	MUX(0, "mout_mmc3", mout_group1_p, SRC_FSYS, 12, 4),
  	MUX(0, "mout_sata", mout_aclk200_p, SRC_FSYS, 24, 1),
  	MUX(0, "mout_usb3", mout_usb3_p, SRC_FSYS, 28, 1),
  
  	MUX(0, "mout_jpeg", mout_group1_p, SRC_GEN, 0, 4),
  
  	MUX(0, "mout_uart0", mout_group1_p, SRC_PERIC0, 0, 4),
  	MUX(0, "mout_uart1", mout_group1_p, SRC_PERIC0, 4, 4),
  	MUX(0, "mout_uart2", mout_group1_p, SRC_PERIC0, 8, 4),
  	MUX(0, "mout_uart3", mout_group1_p, SRC_PERIC0, 12, 4),
  	MUX(0, "mout_pwm", mout_group1_p, SRC_PERIC0, 24, 4),
  
  	MUX(0, "mout_audio1", mout_audio1_p, SRC_PERIC1, 0, 4),
  	MUX(0, "mout_audio2", mout_audio2_p, SRC_PERIC1, 4, 4),
  	MUX(0, "mout_spdif", mout_spdif_p, SRC_PERIC1, 8, 2),
  	MUX(0, "mout_spi0", mout_group1_p, SRC_PERIC1, 16, 4),
  	MUX(0, "mout_spi1", mout_group1_p, SRC_PERIC1, 20, 4),
  	MUX(0, "mout_spi2", mout_group1_p, SRC_PERIC1, 24, 4),
  
  	/*
  	 * CMU_CDREX
  	 */
  	MUX(0, "mout_bpll", mout_bpll_p, SRC_CDREX, 0, 1),
  
  	MUX(0, "mout_mpll_fout", mout_mpll_fout_p, PLL_DIV2_SEL, 4, 1),
  	MUX(0, "mout_bpll_fout", mout_bpll_fout_p, PLL_DIV2_SEL, 0, 1),
  };
  
  static struct samsung_div_clock exynos5250_div_clks[] __initdata = {
  	/*
  	 * NOTE: Following table is sorted by (clock domain, register address,
  	 * bitfield shift) triplet in ascending order. When adding new entries,
  	 * please make sure that the order is kept, to avoid merge conflicts
  	 * and make further work with defined data easier.
  	 */
  
  	/*
  	 * CMU_CPU
  	 */
  	DIV(0, "div_arm", "mout_cpu", DIV_CPU0, 0, 3),
  	DIV(0, "div_apll", "mout_apll", DIV_CPU0, 24, 3),
  	DIV_A(0, "div_arm2", "div_arm", DIV_CPU0, 28, 3, "armclk"),
  
  	/*
  	 * CMU_TOP
  	 */
  	DIV(0, "div_aclk66", "div_aclk66_pre", DIV_TOP0, 0, 3),
  	DIV(0, "div_aclk166", "mout_aclk166", DIV_TOP0, 8, 3),
  	DIV(0, "div_aclk200", "mout_aclk200", DIV_TOP0, 12, 3),
  	DIV(0, "div_aclk266", "mout_mpll_user", DIV_TOP0, 16, 3),
  	DIV(0, "div_aclk333", "mout_aclk333", DIV_TOP0, 20, 3),
  
  	DIV(0, "div_aclk66_pre", "mout_mpll_user", DIV_TOP1, 24, 3),
  
  	DIV(0, "div_cam_bayer", "mout_cam_bayer", DIV_GSCL, 12, 4),
  	DIV(0, "div_cam0", "mout_cam0", DIV_GSCL, 16, 4),
  	DIV(0, "div_cam1", "mout_cam1", DIV_GSCL, 20, 4),
  	DIV(0, "div_gscl_wa", "mout_gscl_wa", DIV_GSCL, 24, 4),
  	DIV(0, "div_gscl_wb", "mout_gscl_wb", DIV_GSCL, 28, 4),
  
  	DIV(0, "div_fimd1", "mout_fimd1", DIV_DISP1_0, 0, 4),
  	DIV(0, "div_mipi1", "mout_mipi1", DIV_DISP1_0, 16, 4),
  	DIV_F(0, "div_mipi1_pre", "div_mipi1",
  			DIV_DISP1_0, 20, 4, CLK_SET_RATE_PARENT, 0),
  	DIV(0, "div_dp", "mout_dp", DIV_DISP1_0, 24, 4),
  	DIV(CLK_SCLK_PIXEL, "div_hdmi_pixel", "mout_vpll", DIV_DISP1_0, 28, 4),
  
  	DIV(0, "div_jpeg", "mout_jpeg", DIV_GEN, 4, 4),
  
  	DIV(0, "div_audio0", "mout_audio0", DIV_MAU, 0, 4),
  	DIV(CLK_DIV_PCM0, "div_pcm0", "sclk_audio0", DIV_MAU, 4, 8),
  
  	DIV(0, "div_sata", "mout_sata", DIV_FSYS0, 20, 4),
  	DIV(0, "div_usb3", "mout_usb3", DIV_FSYS0, 24, 4),
  
  	DIV(0, "div_mmc0", "mout_mmc0", DIV_FSYS1, 0, 4),
  	DIV_F(0, "div_mmc_pre0", "div_mmc0",
  			DIV_FSYS1, 8, 8, CLK_SET_RATE_PARENT, 0),
  	DIV(0, "div_mmc1", "mout_mmc1", DIV_FSYS1, 16, 4),
  	DIV_F(0, "div_mmc_pre1", "div_mmc1",
  			DIV_FSYS1, 24, 8, CLK_SET_RATE_PARENT, 0),
  
  	DIV(0, "div_mmc2", "mout_mmc2", DIV_FSYS2, 0, 4),
  	DIV_F(0, "div_mmc_pre2", "div_mmc2",
  			DIV_FSYS2, 8, 8, CLK_SET_RATE_PARENT, 0),
  	DIV(0, "div_mmc3", "mout_mmc3", DIV_FSYS2, 16, 4),
  	DIV_F(0, "div_mmc_pre3", "div_mmc3",
  			DIV_FSYS2, 24, 8, CLK_SET_RATE_PARENT, 0),
  
  	DIV(0, "div_uart0", "mout_uart0", DIV_PERIC0, 0, 4),
  	DIV(0, "div_uart1", "mout_uart1", DIV_PERIC0, 4, 4),
  	DIV(0, "div_uart2", "mout_uart2", DIV_PERIC0, 8, 4),
  	DIV(0, "div_uart3", "mout_uart3", DIV_PERIC0, 12, 4),
  
  	DIV(0, "div_spi0", "mout_spi0", DIV_PERIC1, 0, 4),
  	DIV_F(0, "div_spi_pre0", "div_spi0",
  			DIV_PERIC1, 8, 8, CLK_SET_RATE_PARENT, 0),
  	DIV(0, "div_spi1", "mout_spi1", DIV_PERIC1, 16, 4),
  	DIV_F(0, "div_spi_pre1", "div_spi1",
  			DIV_PERIC1, 24, 8, CLK_SET_RATE_PARENT, 0),
  
  	DIV(0, "div_spi2", "mout_spi2", DIV_PERIC2, 0, 4),
  	DIV_F(0, "div_spi_pre2", "div_spi2",
  			DIV_PERIC2, 8, 8, CLK_SET_RATE_PARENT, 0),
  
  	DIV(0, "div_pwm", "mout_pwm", DIV_PERIC3, 0, 4),
  
  	DIV(0, "div_audio1", "mout_audio1", DIV_PERIC4, 0, 4),
  	DIV(0, "div_pcm1", "sclk_audio1", DIV_PERIC4, 4, 8),
  	DIV(0, "div_audio2", "mout_audio2", DIV_PERIC4, 16, 4),
  	DIV(0, "div_pcm2", "sclk_audio2", DIV_PERIC4, 20, 8),
  
  	DIV(CLK_DIV_I2S1, "div_i2s1", "sclk_audio1", DIV_PERIC5, 0, 6),
  	DIV(CLK_DIV_I2S2, "div_i2s2", "sclk_audio2", DIV_PERIC5, 8, 6),
  };
  
  static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
  	/*
  	 * NOTE: Following table is sorted by (clock domain, register address,
  	 * bitfield shift) triplet in ascending order. When adding new entries,
  	 * please make sure that the order is kept, to avoid merge conflicts
  	 * and make further work with defined data easier.
  	 */
  
  	/*
  	 * CMU_ACP
  	 */
  	GATE(CLK_MDMA0, "mdma0", "div_aclk266", GATE_IP_ACP, 1, 0, 0),
  	GATE(CLK_G2D, "g2d", "div_aclk200", GATE_IP_ACP, 3, 0, 0),
  	GATE(CLK_SMMU_MDMA0, "smmu_mdma0", "div_aclk266", GATE_IP_ACP, 5, 0, 0),
  
  	/*
  	 * CMU_TOP
  	 */
  	GATE(CLK_SCLK_CAM_BAYER, "sclk_cam_bayer", "div_cam_bayer",
  			SRC_MASK_GSCL, 12, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_CAM0, "sclk_cam0", "div_cam0",
  			SRC_MASK_GSCL, 16, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_CAM1, "sclk_cam1", "div_cam1",
  			SRC_MASK_GSCL, 20, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_GSCL_WA, "sclk_gscl_wa", "div_gscl_wa",
  			SRC_MASK_GSCL, 24, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_GSCL_WB, "sclk_gscl_wb", "div_gscl_wb",
  			SRC_MASK_GSCL, 28, CLK_SET_RATE_PARENT, 0),
  
  	GATE(CLK_SCLK_FIMD1, "sclk_fimd1", "div_fimd1",
  			SRC_MASK_DISP1_0, 0, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_MIPI1, "sclk_mipi1", "div_mipi1",
  			SRC_MASK_DISP1_0, 12, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_DP, "sclk_dp", "div_dp",
  			SRC_MASK_DISP1_0, 16, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_HDMI, "sclk_hdmi", "mout_hdmi",
  			SRC_MASK_DISP1_0, 20, 0, 0),
  
  	GATE(CLK_SCLK_AUDIO0, "sclk_audio0", "div_audio0",
  			SRC_MASK_MAU, 0, CLK_SET_RATE_PARENT, 0),
  
  	GATE(CLK_SCLK_MMC0, "sclk_mmc0", "div_mmc_pre0",
  			SRC_MASK_FSYS, 0, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_MMC1, "sclk_mmc1", "div_mmc_pre1",
  			SRC_MASK_FSYS, 4, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_MMC2, "sclk_mmc2", "div_mmc_pre2",
  			SRC_MASK_FSYS, 8, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_MMC3, "sclk_mmc3", "div_mmc_pre3",
  			SRC_MASK_FSYS, 12, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_SATA, "sclk_sata", "div_sata",
  			SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_USB3, "sclk_usb3", "div_usb3",
  			SRC_MASK_FSYS, 28, CLK_SET_RATE_PARENT, 0),
  
  	GATE(CLK_SCLK_JPEG, "sclk_jpeg", "div_jpeg",
  			SRC_MASK_GEN, 0, CLK_SET_RATE_PARENT, 0),
  
  	GATE(CLK_SCLK_UART0, "sclk_uart0", "div_uart0",
  			SRC_MASK_PERIC0, 0, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_UART1, "sclk_uart1", "div_uart1",
  			SRC_MASK_PERIC0, 4, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_UART2, "sclk_uart2", "div_uart2",
  			SRC_MASK_PERIC0, 8, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_UART3, "sclk_uart3", "div_uart3",
  			SRC_MASK_PERIC0, 12, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_PWM, "sclk_pwm", "div_pwm",
  			SRC_MASK_PERIC0, 24, CLK_SET_RATE_PARENT, 0),
  
  	GATE(CLK_SCLK_AUDIO1, "sclk_audio1", "div_audio1",
  			SRC_MASK_PERIC1, 0, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_AUDIO2, "sclk_audio2", "div_audio2",
  			SRC_MASK_PERIC1, 4, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_SPDIF, "sclk_spdif", "mout_spdif",
  			SRC_MASK_PERIC1, 4, 0, 0),
  	GATE(CLK_SCLK_SPI0, "sclk_spi0", "div_spi_pre0",
  			SRC_MASK_PERIC1, 16, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_SPI1, "sclk_spi1", "div_spi_pre1",
  			SRC_MASK_PERIC1, 20, CLK_SET_RATE_PARENT, 0),
  	GATE(CLK_SCLK_SPI2, "sclk_spi2", "div_spi_pre2",
  			SRC_MASK_PERIC1, 24, CLK_SET_RATE_PARENT, 0),
  
  	GATE(CLK_GSCL0, "gscl0", "mout_aclk266_gscl_sub", GATE_IP_GSCL, 0, 0,
  		0),
  	GATE(CLK_GSCL1, "gscl1", "mout_aclk266_gscl_sub", GATE_IP_GSCL, 1, 0,
  		0),
  	GATE(CLK_GSCL2, "gscl2", "mout_aclk266_gscl_sub", GATE_IP_GSCL, 2, 0,
  		0),
  	GATE(CLK_GSCL3, "gscl3", "mout_aclk266_gscl_sub", GATE_IP_GSCL, 3, 0,
  		0),
  	GATE(CLK_GSCL_WA, "gscl_wa", "div_gscl_wa", GATE_IP_GSCL, 5, 0, 0),
  	GATE(CLK_GSCL_WB, "gscl_wb", "div_gscl_wb", GATE_IP_GSCL, 6, 0, 0),
  	GATE(CLK_SMMU_GSCL0, "smmu_gscl0", "mout_aclk266_gscl_sub",
  			GATE_IP_GSCL, 7, 0, 0),
  	GATE(CLK_SMMU_GSCL1, "smmu_gscl1", "mout_aclk266_gscl_sub",
  			GATE_IP_GSCL, 8, 0, 0),
  	GATE(CLK_SMMU_GSCL2, "smmu_gscl2", "mout_aclk266_gscl_sub",
  			GATE_IP_GSCL, 9, 0, 0),
  	GATE(CLK_SMMU_GSCL3, "smmu_gscl3", "mout_aclk266_gscl_sub",
  			GATE_IP_GSCL, 10, 0, 0),
  
  	GATE(CLK_FIMD1, "fimd1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 0, 0,
  		0),
  	GATE(CLK_MIE1, "mie1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 1, 0,
  		0),
  	GATE(CLK_DSIM0, "dsim0", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 3, 0,
  		0),
  	GATE(CLK_DP, "dp", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 4, 0, 0),
  	GATE(CLK_MIXER, "mixer", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 5, 0,
  		0),
  	GATE(CLK_HDMI, "hdmi", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 6, 0,
  		0),
  
  	GATE(CLK_MFC, "mfc", "mout_aclk333_sub", GATE_IP_MFC, 0, 0, 0),
  	GATE(CLK_SMMU_MFCR, "smmu_mfcr", "mout_aclk333_sub", GATE_IP_MFC, 1, 0,
  		0),
  	GATE(CLK_SMMU_MFCL, "smmu_mfcl", "mout_aclk333_sub", GATE_IP_MFC, 2, 0,
  		0),
  
  	GATE(CLK_ROTATOR, "rotator", "div_aclk266", GATE_IP_GEN, 1, 0, 0),
  	GATE(CLK_JPEG, "jpeg", "div_aclk166", GATE_IP_GEN, 2, 0, 0),
  	GATE(CLK_MDMA1, "mdma1", "div_aclk266", GATE_IP_GEN, 4, 0, 0),
  	GATE(CLK_SMMU_ROTATOR, "smmu_rotator", "div_aclk266", GATE_IP_GEN, 6, 0,
  		0),
  	GATE(CLK_SMMU_JPEG, "smmu_jpeg", "div_aclk166", GATE_IP_GEN, 7, 0, 0),
  	GATE(CLK_SMMU_MDMA1, "smmu_mdma1", "div_aclk266", GATE_IP_GEN, 9, 0, 0),
  
  	GATE(CLK_PDMA0, "pdma0", "div_aclk200", GATE_IP_FSYS, 1, 0, 0),
  	GATE(CLK_PDMA1, "pdma1", "div_aclk200", GATE_IP_FSYS, 2, 0, 0),
  	GATE(CLK_SATA, "sata", "div_aclk200", GATE_IP_FSYS, 6, 0, 0),
  	GATE(CLK_USBOTG, "usbotg", "div_aclk200", GATE_IP_FSYS, 7, 0, 0),
  	GATE(CLK_MIPI_HSI, "mipi_hsi", "div_aclk200", GATE_IP_FSYS, 8, 0, 0),
  	GATE(CLK_SDMMC0, "sdmmc0", "div_aclk200", GATE_IP_FSYS, 12, 0, 0),
  	GATE(CLK_SDMMC1, "sdmmc1", "div_aclk200", GATE_IP_FSYS, 13, 0, 0),
  	GATE(CLK_SDMMC2, "sdmmc2", "div_aclk200", GATE_IP_FSYS, 14, 0, 0),
  	GATE(CLK_SDMMC3, "sdmmc3", "div_aclk200", GATE_IP_FSYS, 15, 0, 0),
  	GATE(CLK_SROMC, "sromc", "div_aclk200", GATE_IP_FSYS, 17, 0, 0),
  	GATE(CLK_USB2, "usb2", "div_aclk200", GATE_IP_FSYS, 18, 0, 0),
  	GATE(CLK_USB3, "usb3", "div_aclk200", GATE_IP_FSYS, 19, 0, 0),
  	GATE(CLK_SATA_PHYCTRL, "sata_phyctrl", "div_aclk200",
  			GATE_IP_FSYS, 24, 0, 0),
  	GATE(CLK_SATA_PHYI2C, "sata_phyi2c", "div_aclk200", GATE_IP_FSYS, 25, 0,
  		0),
  
  	GATE(CLK_UART0, "uart0", "div_aclk66", GATE_IP_PERIC, 0, 0, 0),
  	GATE(CLK_UART1, "uart1", "div_aclk66", GATE_IP_PERIC, 1, 0, 0),
  	GATE(CLK_UART2, "uart2", "div_aclk66", GATE_IP_PERIC, 2, 0, 0),
  	GATE(CLK_UART3, "uart3", "div_aclk66", GATE_IP_PERIC, 3, 0, 0),
  	GATE(CLK_UART4, "uart4", "div_aclk66", GATE_IP_PERIC, 4, 0, 0),
  	GATE(CLK_I2C0, "i2c0", "div_aclk66", GATE_IP_PERIC, 6, 0, 0),
  	GATE(CLK_I2C1, "i2c1", "div_aclk66", GATE_IP_PERIC, 7, 0, 0),
  	GATE(CLK_I2C2, "i2c2", "div_aclk66", GATE_IP_PERIC, 8, 0, 0),
  	GATE(CLK_I2C3, "i2c3", "div_aclk66", GATE_IP_PERIC, 9, 0, 0),
  	GATE(CLK_I2C4, "i2c4", "div_aclk66", GATE_IP_PERIC, 10, 0, 0),
  	GATE(CLK_I2C5, "i2c5", "div_aclk66", GATE_IP_PERIC, 11, 0, 0),
  	GATE(CLK_I2C6, "i2c6", "div_aclk66", GATE_IP_PERIC, 12, 0, 0),
  	GATE(CLK_I2C7, "i2c7", "div_aclk66", GATE_IP_PERIC, 13, 0, 0),
  	GATE(CLK_I2C_HDMI, "i2c_hdmi", "div_aclk66", GATE_IP_PERIC, 14, 0, 0),
  	GATE(CLK_ADC, "adc", "div_aclk66", GATE_IP_PERIC, 15, 0, 0),
  	GATE(CLK_SPI0, "spi0", "div_aclk66", GATE_IP_PERIC, 16, 0, 0),
  	GATE(CLK_SPI1, "spi1", "div_aclk66", GATE_IP_PERIC, 17, 0, 0),
  	GATE(CLK_SPI2, "spi2", "div_aclk66", GATE_IP_PERIC, 18, 0, 0),
  	GATE(CLK_I2S1, "i2s1", "div_aclk66", GATE_IP_PERIC, 20, 0, 0),
  	GATE(CLK_I2S2, "i2s2", "div_aclk66", GATE_IP_PERIC, 21, 0, 0),
  	GATE(CLK_PCM1, "pcm1", "div_aclk66", GATE_IP_PERIC, 22, 0, 0),
  	GATE(CLK_PCM2, "pcm2", "div_aclk66", GATE_IP_PERIC, 23, 0, 0),
  	GATE(CLK_PWM, "pwm", "div_aclk66", GATE_IP_PERIC, 24, 0, 0),
  	GATE(CLK_SPDIF, "spdif", "div_aclk66", GATE_IP_PERIC, 26, 0, 0),
  	GATE(CLK_AC97, "ac97", "div_aclk66", GATE_IP_PERIC, 27, 0, 0),
  	GATE(CLK_HSI2C0, "hsi2c0", "div_aclk66", GATE_IP_PERIC, 28, 0, 0),
  	GATE(CLK_HSI2C1, "hsi2c1", "div_aclk66", GATE_IP_PERIC, 29, 0, 0),
  	GATE(CLK_HSI2C2, "hsi2c2", "div_aclk66", GATE_IP_PERIC, 30, 0, 0),
  	GATE(CLK_HSI2C3, "hsi2c3", "div_aclk66", GATE_IP_PERIC, 31, 0, 0),
  
  	GATE(CLK_CHIPID, "chipid", "div_aclk66", GATE_IP_PERIS, 0, 0, 0),
  	GATE(CLK_SYSREG, "sysreg", "div_aclk66",
  			GATE_IP_PERIS, 1, CLK_IGNORE_UNUSED, 0),
  	GATE(CLK_PMU, "pmu", "div_aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED,
  		0),
  	GATE(CLK_CMU_TOP, "cmu_top", "div_aclk66",
  			GATE_IP_PERIS, 3, CLK_IGNORE_UNUSED, 0),
  	GATE(CLK_CMU_CORE, "cmu_core", "div_aclk66",
  			GATE_IP_PERIS, 4, CLK_IGNORE_UNUSED, 0),
  	GATE(CLK_CMU_MEM, "cmu_mem", "div_aclk66",
  			GATE_IP_PERIS, 5, CLK_IGNORE_UNUSED, 0),
  	GATE(CLK_TZPC0, "tzpc0", "div_aclk66", GATE_IP_PERIS, 6, 0, 0),
  	GATE(CLK_TZPC1, "tzpc1", "div_aclk66", GATE_IP_PERIS, 7, 0, 0),
  	GATE(CLK_TZPC2, "tzpc2", "div_aclk66", GATE_IP_PERIS, 8, 0, 0),
  	GATE(CLK_TZPC3, "tzpc3", "div_aclk66", GATE_IP_PERIS, 9, 0, 0),
  	GATE(CLK_TZPC4, "tzpc4", "div_aclk66", GATE_IP_PERIS, 10, 0, 0),
  	GATE(CLK_TZPC5, "tzpc5", "div_aclk66", GATE_IP_PERIS, 11, 0, 0),
  	GATE(CLK_TZPC6, "tzpc6", "div_aclk66", GATE_IP_PERIS, 12, 0, 0),
  	GATE(CLK_TZPC7, "tzpc7", "div_aclk66", GATE_IP_PERIS, 13, 0, 0),
  	GATE(CLK_TZPC8, "tzpc8", "div_aclk66", GATE_IP_PERIS, 14, 0, 0),
  	GATE(CLK_TZPC9, "tzpc9", "div_aclk66", GATE_IP_PERIS, 15, 0, 0),
  	GATE(CLK_HDMI_CEC, "hdmi_cec", "div_aclk66", GATE_IP_PERIS, 16, 0, 0),
  	GATE(CLK_MCT, "mct", "div_aclk66", GATE_IP_PERIS, 18, 0, 0),
  	GATE(CLK_WDT, "wdt", "div_aclk66", GATE_IP_PERIS, 19, 0, 0),
  	GATE(CLK_RTC, "rtc", "div_aclk66", GATE_IP_PERIS, 20, 0, 0),
  	GATE(CLK_TMU, "tmu", "div_aclk66", GATE_IP_PERIS, 21, 0, 0),
  };
  
  static struct samsung_pll_rate_table vpll_24mhz_tbl[] __initdata = {
  	/* sorted in descending order */
  	/* PLL_36XX_RATE(rate, m, p, s, k) */
  	PLL_36XX_RATE(266000000, 266, 3, 3, 0),
  	/* Not in UM, but need for eDP on snow */
  	PLL_36XX_RATE(70500000, 94, 2, 4, 0),
  	{ },
  };
  
  static struct samsung_pll_rate_table epll_24mhz_tbl[] __initdata = {
  	/* sorted in descending order */
  	/* PLL_36XX_RATE(rate, m, p, s, k) */
  	PLL_36XX_RATE(192000000, 64, 2, 2, 0),
  	PLL_36XX_RATE(180633600, 90, 3, 2, 20762),
  	PLL_36XX_RATE(180000000, 90, 3, 2, 0),
  	PLL_36XX_RATE(73728000, 98, 2, 4, 19923),
  	PLL_36XX_RATE(67737600, 90, 2, 4, 20762),
  	PLL_36XX_RATE(49152000, 98, 3, 4, 19923),
  	PLL_36XX_RATE(45158400, 90, 3, 4, 20762),
  	PLL_36XX_RATE(32768000, 131, 3, 5, 4719),
  	{ },
  };
  
  static struct samsung_pll_rate_table apll_24mhz_tbl[] __initdata = {
  	/* sorted in descending order */
  	/* PLL_35XX_RATE(rate, m, p, s) */
  	PLL_35XX_RATE(1700000000, 425, 6, 0),
  	PLL_35XX_RATE(1600000000, 200, 3, 0),
  	PLL_35XX_RATE(1500000000, 250, 4, 0),
  	PLL_35XX_RATE(1400000000, 175, 3, 0),
  	PLL_35XX_RATE(1300000000, 325, 6, 0),
  	PLL_35XX_RATE(1200000000, 200, 4, 0),
  	PLL_35XX_RATE(1100000000, 275, 6, 0),
  	PLL_35XX_RATE(1000000000, 125, 3, 0),
  	PLL_35XX_RATE(900000000, 150, 4, 0),
  	PLL_35XX_RATE(800000000, 100, 3, 0),
  	PLL_35XX_RATE(700000000, 175, 3, 1),
  	PLL_35XX_RATE(600000000, 200, 4, 1),
  	PLL_35XX_RATE(500000000, 125, 3, 1),
  	PLL_35XX_RATE(400000000, 100, 3, 1),
  	PLL_35XX_RATE(300000000, 200, 4, 2),
  	PLL_35XX_RATE(200000000, 100, 3, 2),
  };
  
  static struct samsung_pll_clock exynos5250_plls[nr_plls] __initdata = {
  	[apll] = PLL_A(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
  		APLL_LOCK, APLL_CON0, "fout_apll", NULL),
  	[mpll] = PLL_A(pll_35xx, CLK_FOUT_MPLL, "fout_mpll", "fin_pll",
  		MPLL_LOCK, MPLL_CON0, "fout_mpll", NULL),
  	[bpll] = PLL(pll_35xx, CLK_FOUT_BPLL, "fout_bpll", "fin_pll", BPLL_LOCK,
  		BPLL_CON0, NULL),
  	[gpll] = PLL(pll_35xx, CLK_FOUT_GPLL, "fout_gpll", "fin_pll", GPLL_LOCK,
  		GPLL_CON0, NULL),
  	[cpll] = PLL(pll_35xx, CLK_FOUT_CPLL, "fout_cpll", "fin_pll", CPLL_LOCK,
  		CPLL_CON0, NULL),
  	[epll] = PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll", EPLL_LOCK,
  		EPLL_CON0, NULL),
  	[vpll] = PLL(pll_36xx, CLK_FOUT_VPLL, "fout_vpll", "mout_vpllsrc",
  		VPLL_LOCK, VPLL_CON0, NULL),
  };
  
  static struct of_device_id ext_clk_match[] __initdata = {
  	{ .compatible = "samsung,clock-xxti", .data = (void *)0, },
  	{ },
  };
  
  /* register exynox5250 clocks */
  static void __init exynos5250_clk_init(struct device_node *np)
  {
  	void __iomem *reg_base;
  
  	if (np) {
  		reg_base = of_iomap(np, 0);
  		if (!reg_base)
  			panic("%s: failed to map registers
  ", __func__);
  	} else {
  		panic("%s: unable to determine soc
  ", __func__);
  	}
  
  	samsung_clk_init(np, reg_base, CLK_NR_CLKS,
  			exynos5250_clk_regs, ARRAY_SIZE(exynos5250_clk_regs),
  			NULL, 0);
  	samsung_clk_of_register_fixed_ext(exynos5250_fixed_rate_ext_clks,
  			ARRAY_SIZE(exynos5250_fixed_rate_ext_clks),
  			ext_clk_match);
  	samsung_clk_register_mux(exynos5250_pll_pmux_clks,
  				ARRAY_SIZE(exynos5250_pll_pmux_clks));
  
  	if (_get_rate("fin_pll") == 24 * MHZ) {
  		exynos5250_plls[epll].rate_table = epll_24mhz_tbl;
  		exynos5250_plls[apll].rate_table = apll_24mhz_tbl;
  	}
  
  	if (_get_rate("mout_vpllsrc") == 24 * MHZ)
  		exynos5250_plls[vpll].rate_table =  vpll_24mhz_tbl;
  
  	samsung_clk_register_pll(exynos5250_plls, ARRAY_SIZE(exynos5250_plls),
  					reg_base);
  	samsung_clk_register_fixed_rate(exynos5250_fixed_rate_clks,
  			ARRAY_SIZE(exynos5250_fixed_rate_clks));
  	samsung_clk_register_fixed_factor(exynos5250_fixed_factor_clks,
  			ARRAY_SIZE(exynos5250_fixed_factor_clks));
  	samsung_clk_register_mux(exynos5250_mux_clks,
  			ARRAY_SIZE(exynos5250_mux_clks));
  	samsung_clk_register_div(exynos5250_div_clks,
  			ARRAY_SIZE(exynos5250_div_clks));
  	samsung_clk_register_gate(exynos5250_gate_clks,
  			ARRAY_SIZE(exynos5250_gate_clks));
  
  	pr_info("Exynos5250: clock setup completed, armclk=%ld
  ",
  			_get_rate("div_arm2"));
  }
  CLK_OF_DECLARE(exynos5250_clk, "samsung,exynos5250-clock", exynos5250_clk_init);