diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos5250.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5250.c | 118 |
1 files changed, 107 insertions, 11 deletions
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index e7ee4420da81..1fad4c5e3f5d 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -24,10 +24,14 @@ #define APLL_CON0 0x100 #define SRC_CPU 0x200 #define DIV_CPU0 0x500 +#define PWR_CTRL1 0x1020 +#define PWR_CTRL2 0x1024 #define MPLL_LOCK 0x4000 #define MPLL_CON0 0x4100 #define SRC_CORE1 0x4204 #define GATE_IP_ACP 0x8800 +#define GATE_IP_ISP0 0xc800 +#define GATE_IP_ISP1 0xc804 #define CPLL_LOCK 0x10020 #define EPLL_LOCK 0x10030 #define VPLL_LOCK 0x10040 @@ -37,6 +41,7 @@ #define VPLL_CON0 0x10140 #define GPLL_CON0 0x10150 #define SRC_TOP0 0x10210 +#define SRC_TOP1 0x10214 #define SRC_TOP2 0x10218 #define SRC_TOP3 0x1021c #define SRC_GSCL 0x10220 @@ -71,6 +76,7 @@ #define GATE_IP_GSCL 0x10920 #define GATE_IP_DISP1 0x10928 #define GATE_IP_MFC 0x1092c +#define GATE_IP_G3D 0x10930 #define GATE_IP_GEN 0x10934 #define GATE_IP_FSYS 0x10944 #define GATE_IP_PERIC 0x10950 @@ -80,6 +86,23 @@ #define SRC_CDREX 0x20200 #define PLL_DIV2_SEL 0x20a24 +/*Below definitions are used for PWR_CTRL settings*/ +#define PWR_CTRL1_CORE2_DOWN_RATIO (7 << 28) +#define PWR_CTRL1_CORE1_DOWN_RATIO (7 << 16) +#define PWR_CTRL1_DIV2_DOWN_EN (1 << 9) +#define PWR_CTRL1_DIV1_DOWN_EN (1 << 8) +#define PWR_CTRL1_USE_CORE1_WFE (1 << 5) +#define PWR_CTRL1_USE_CORE0_WFE (1 << 4) +#define PWR_CTRL1_USE_CORE1_WFI (1 << 1) +#define PWR_CTRL1_USE_CORE0_WFI (1 << 0) + +#define PWR_CTRL2_DIV2_UP_EN (1 << 25) +#define PWR_CTRL2_DIV1_UP_EN (1 << 24) +#define PWR_CTRL2_DUR_STANDBY2_VAL (1 << 16) +#define PWR_CTRL2_DUR_STANDBY1_VAL (1 << 8) +#define PWR_CTRL2_CORE2_UP_RATIO (1 << 4) +#define PWR_CTRL2_CORE1_UP_RATIO (1 << 0) + /* list of PLLs to be registered */ enum exynos5250_plls { apll, mpll, cpll, epll, vpll, gpll, bpll, @@ -98,8 +121,11 @@ static struct samsung_clk_reg_dump *exynos5250_save; static unsigned long exynos5250_clk_regs[] __initdata = { SRC_CPU, DIV_CPU0, + PWR_CTRL1, + PWR_CTRL2, SRC_CORE1, SRC_TOP0, + SRC_TOP1, SRC_TOP2, SRC_TOP3, SRC_GSCL, @@ -133,6 +159,7 @@ static unsigned long exynos5250_clk_regs[] __initdata = { DIV_PERIC5, GATE_IP_GSCL, GATE_IP_MFC, + GATE_IP_G3D, GATE_IP_GEN, GATE_IP_FSYS, GATE_IP_PERIC, @@ -141,6 +168,8 @@ static unsigned long exynos5250_clk_regs[] __initdata = { PLL_DIV2_SEL, GATE_IP_DISP1, GATE_IP_ACP, + GATE_IP_ISP0, + GATE_IP_ISP1, }; static int exynos5250_clk_suspend(void) @@ -189,13 +218,16 @@ 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_gpll_p) = { "fin_pll", "fout_gpll" }; 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_aclk400_p) = { "mout_aclk400_g3d_mid", "mout_gpll" }; 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_aclk400_isp_sub_p) = { "fin_pll", "div_aclk400_isp" }; 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", @@ -273,15 +305,23 @@ static struct samsung_mux_clock exynos5250_mux_clks[] __initdata = { 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_aclk400_g3d_mid", mout_aclk200_p, SRC_TOP0, 20, 1), + + MUX(0, "mout_aclk400_isp", mout_aclk200_p, SRC_TOP1, 24, 1), + MUX(0, "mout_aclk400_g3d", mout_aclk400_p, SRC_TOP1, 28, 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(CLK_MOUT_GPLL, "mout_gpll", mout_gpll_p, SRC_TOP2, 28, 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_aclk_266_isp_sub", mout_aclk266_sub_p, SRC_TOP3, 16, 1), + MUX(0, "mout_aclk_400_isp_sub", mout_aclk400_isp_sub_p, + SRC_TOP3, 20, 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), @@ -351,7 +391,10 @@ static struct samsung_div_clock exynos5250_div_clks[] __initdata = { 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_aclk400_g3d", "mout_aclk400_g3d", DIV_TOP0, + 24, 3), + DIV(0, "div_aclk400_isp", "mout_aclk400_isp", DIV_TOP1, 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), @@ -428,6 +471,7 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { * CMU_ACP */ GATE(CLK_MDMA0, "mdma0", "div_aclk266", GATE_IP_ACP, 1, 0, 0), + GATE(CLK_SSS, "sss", "div_aclk266", GATE_IP_ACP, 2, 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), @@ -533,7 +577,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { 0), GATE(CLK_SMMU_MFCL, "smmu_mfcl", "mout_aclk333_sub", GATE_IP_MFC, 2, 0, 0), - + GATE(CLK_G3D, "g3d", "div_aclk400_g3d", GATE_IP_G3D, 0, + CLK_SET_RATE_PARENT, 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), @@ -615,6 +660,31 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { 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), + GATE(CLK_SMMU_TV, "smmu_tv", "mout_aclk200_disp1_sub", + GATE_IP_DISP1, 2, 0, 0), + GATE(CLK_SMMU_FIMD1, "smmu_fimd1", "mout_aclk200_disp1_sub", + GATE_IP_DISP1, 8, 0, 0), + GATE(CLK_SMMU_2D, "smmu_2d", "div_aclk200", GATE_IP_ACP, 7, 0, 0), + GATE(CLK_SMMU_FIMC_ISP, "smmu_fimc_isp", "mout_aclk_266_isp_sub", + GATE_IP_ISP0, 8, 0, 0), + GATE(CLK_SMMU_FIMC_DRC, "smmu_fimc_drc", "mout_aclk_266_isp_sub", + GATE_IP_ISP0, 9, 0, 0), + GATE(CLK_SMMU_FIMC_FD, "smmu_fimc_fd", "mout_aclk_266_isp_sub", + GATE_IP_ISP0, 10, 0, 0), + GATE(CLK_SMMU_FIMC_SCC, "smmu_fimc_scc", "mout_aclk_266_isp_sub", + GATE_IP_ISP0, 11, 0, 0), + GATE(CLK_SMMU_FIMC_SCP, "smmu_fimc_scp", "mout_aclk_266_isp_sub", + GATE_IP_ISP0, 12, 0, 0), + GATE(CLK_SMMU_FIMC_MCU, "smmu_fimc_mcu", "mout_aclk_400_isp_sub", + GATE_IP_ISP0, 13, 0, 0), + GATE(CLK_SMMU_FIMC_ODC, "smmu_fimc_odc", "mout_aclk_266_isp_sub", + GATE_IP_ISP1, 4, 0, 0), + GATE(CLK_SMMU_FIMC_DIS0, "smmu_fimc_dis0", "mout_aclk_266_isp_sub", + GATE_IP_ISP1, 5, 0, 0), + GATE(CLK_SMMU_FIMC_DIS1, "smmu_fimc_dis1", "mout_aclk_266_isp_sub", + GATE_IP_ISP1, 6, 0, 0), + GATE(CLK_SMMU_FIMC_3DNR, "smmu_fimc_3dnr", "mout_aclk_266_isp_sub", + GATE_IP_ISP1, 7, 0, 0), }; static struct samsung_pll_rate_table vpll_24mhz_tbl[] __initdata = { @@ -686,6 +756,9 @@ static struct of_device_id ext_clk_match[] __initdata = { /* register exynox5250 clocks */ static void __init exynos5250_clk_init(struct device_node *np) { + struct samsung_clk_provider *ctx; + unsigned int tmp; + if (np) { reg_base = of_iomap(np, 0); if (!reg_base) @@ -694,11 +767,13 @@ static void __init exynos5250_clk_init(struct device_node *np) panic("%s: unable to determine soc\n", __func__); } - samsung_clk_init(np, reg_base, CLK_NR_CLKS); - samsung_clk_of_register_fixed_ext(exynos5250_fixed_rate_ext_clks, + ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); + samsung_clk_of_register_fixed_ext(ctx, exynos5250_fixed_rate_ext_clks, ARRAY_SIZE(exynos5250_fixed_rate_ext_clks), ext_clk_match); - samsung_clk_register_mux(exynos5250_pll_pmux_clks, + samsung_clk_register_mux(ctx, exynos5250_pll_pmux_clks, ARRAY_SIZE(exynos5250_pll_pmux_clks)); if (_get_rate("fin_pll") == 24 * MHZ) { @@ -709,19 +784,40 @@ static void __init exynos5250_clk_init(struct device_node *np) 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, + samsung_clk_register_pll(ctx, exynos5250_plls, + ARRAY_SIZE(exynos5250_plls), + reg_base); + samsung_clk_register_fixed_rate(ctx, exynos5250_fixed_rate_clks, ARRAY_SIZE(exynos5250_fixed_rate_clks)); - samsung_clk_register_fixed_factor(exynos5250_fixed_factor_clks, + samsung_clk_register_fixed_factor(ctx, exynos5250_fixed_factor_clks, ARRAY_SIZE(exynos5250_fixed_factor_clks)); - samsung_clk_register_mux(exynos5250_mux_clks, + samsung_clk_register_mux(ctx, exynos5250_mux_clks, ARRAY_SIZE(exynos5250_mux_clks)); - samsung_clk_register_div(exynos5250_div_clks, + samsung_clk_register_div(ctx, exynos5250_div_clks, ARRAY_SIZE(exynos5250_div_clks)); - samsung_clk_register_gate(exynos5250_gate_clks, + samsung_clk_register_gate(ctx, exynos5250_gate_clks, ARRAY_SIZE(exynos5250_gate_clks)); + /* + * Enable arm clock down (in idle) and set arm divider + * ratios in WFI/WFE state. + */ + tmp = (PWR_CTRL1_CORE2_DOWN_RATIO | PWR_CTRL1_CORE1_DOWN_RATIO | + 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); + + /* + * Enable arm clock up (on exiting idle). Set arm divider + * ratios when not in idle along with the standby duration + * ratios. + */ + tmp = (PWR_CTRL2_DIV2_UP_EN | PWR_CTRL2_DIV1_UP_EN | + PWR_CTRL2_DUR_STANDBY2_VAL | PWR_CTRL2_DUR_STANDBY1_VAL | + PWR_CTRL2_CORE2_UP_RATIO | PWR_CTRL2_CORE1_UP_RATIO); + __raw_writel(tmp, reg_base + PWR_CTRL2); + exynos5250_clk_sleep_init(); pr_info("Exynos5250: clock setup completed, armclk=%ld\n", |