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-rw-r--r--arch/arm/mach-exynos4/clock.c436
1 files changed, 359 insertions, 77 deletions
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 851dea01857..db616916d7a 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/syscore_ops.h>
#include <plat/cpu-freq.h>
#include <plat/clock.h>
@@ -20,29 +21,101 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
+#include <plat/exynos4.h>
+#include <plat/pm.h>
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/sysmmu.h>
-
-static struct clk clk_sclk_hdmi27m = {
+#include <mach/exynos4-clock.h>
+
+static struct sleep_save exynos4_clock_save[] = {
+ SAVE_ITEM(S5P_CLKDIV_LEFTBUS),
+ SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS),
+ SAVE_ITEM(S5P_CLKDIV_RIGHTBUS),
+ SAVE_ITEM(S5P_CLKGATE_IP_RIGHTBUS),
+ SAVE_ITEM(S5P_CLKSRC_TOP0),
+ SAVE_ITEM(S5P_CLKSRC_TOP1),
+ SAVE_ITEM(S5P_CLKSRC_CAM),
+ SAVE_ITEM(S5P_CLKSRC_TV),
+ SAVE_ITEM(S5P_CLKSRC_MFC),
+ SAVE_ITEM(S5P_CLKSRC_G3D),
+ SAVE_ITEM(S5P_CLKSRC_LCD0),
+ SAVE_ITEM(S5P_CLKSRC_MAUDIO),
+ SAVE_ITEM(S5P_CLKSRC_FSYS),
+ SAVE_ITEM(S5P_CLKSRC_PERIL0),
+ SAVE_ITEM(S5P_CLKSRC_PERIL1),
+ SAVE_ITEM(S5P_CLKDIV_CAM),
+ SAVE_ITEM(S5P_CLKDIV_TV),
+ SAVE_ITEM(S5P_CLKDIV_MFC),
+ SAVE_ITEM(S5P_CLKDIV_G3D),
+ SAVE_ITEM(S5P_CLKDIV_LCD0),
+ SAVE_ITEM(S5P_CLKDIV_MAUDIO),
+ SAVE_ITEM(S5P_CLKDIV_FSYS0),
+ SAVE_ITEM(S5P_CLKDIV_FSYS1),
+ SAVE_ITEM(S5P_CLKDIV_FSYS2),
+ SAVE_ITEM(S5P_CLKDIV_FSYS3),
+ SAVE_ITEM(S5P_CLKDIV_PERIL0),
+ SAVE_ITEM(S5P_CLKDIV_PERIL1),
+ SAVE_ITEM(S5P_CLKDIV_PERIL2),
+ SAVE_ITEM(S5P_CLKDIV_PERIL3),
+ SAVE_ITEM(S5P_CLKDIV_PERIL4),
+ SAVE_ITEM(S5P_CLKDIV_PERIL5),
+ SAVE_ITEM(S5P_CLKDIV_TOP),
+ SAVE_ITEM(S5P_CLKSRC_MASK_TOP),
+ SAVE_ITEM(S5P_CLKSRC_MASK_CAM),
+ SAVE_ITEM(S5P_CLKSRC_MASK_TV),
+ SAVE_ITEM(S5P_CLKSRC_MASK_LCD0),
+ SAVE_ITEM(S5P_CLKSRC_MASK_MAUDIO),
+ SAVE_ITEM(S5P_CLKSRC_MASK_FSYS),
+ SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0),
+ SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1),
+ SAVE_ITEM(S5P_CLKDIV2_RATIO),
+ SAVE_ITEM(S5P_CLKGATE_SCLKCAM),
+ SAVE_ITEM(S5P_CLKGATE_IP_CAM),
+ SAVE_ITEM(S5P_CLKGATE_IP_TV),
+ SAVE_ITEM(S5P_CLKGATE_IP_MFC),
+ SAVE_ITEM(S5P_CLKGATE_IP_G3D),
+ SAVE_ITEM(S5P_CLKGATE_IP_LCD0),
+ SAVE_ITEM(S5P_CLKGATE_IP_FSYS),
+ SAVE_ITEM(S5P_CLKGATE_IP_GPS),
+ SAVE_ITEM(S5P_CLKGATE_IP_PERIL),
+ SAVE_ITEM(S5P_CLKGATE_BLOCK),
+ SAVE_ITEM(S5P_CLKSRC_MASK_DMC),
+ SAVE_ITEM(S5P_CLKSRC_DMC),
+ SAVE_ITEM(S5P_CLKDIV_DMC0),
+ SAVE_ITEM(S5P_CLKDIV_DMC1),
+ SAVE_ITEM(S5P_CLKGATE_IP_DMC),
+ SAVE_ITEM(S5P_CLKSRC_CPU),
+ SAVE_ITEM(S5P_CLKDIV_CPU),
+ SAVE_ITEM(S5P_CLKDIV_CPU + 0x4),
+ SAVE_ITEM(S5P_CLKGATE_SCLKCPU),
+ SAVE_ITEM(S5P_CLKGATE_IP_CPU),
+};
+
+struct clk clk_sclk_hdmi27m = {
.name = "sclk_hdmi27m",
.rate = 27000000,
};
-static struct clk clk_sclk_hdmiphy = {
+struct clk clk_sclk_hdmiphy = {
.name = "sclk_hdmiphy",
};
-static struct clk clk_sclk_usbphy0 = {
+struct clk clk_sclk_usbphy0 = {
.name = "sclk_usbphy0",
.rate = 27000000,
};
-static struct clk clk_sclk_usbphy1 = {
+struct clk clk_sclk_usbphy1 = {
.name = "sclk_usbphy1",
};
+static struct clk dummy_apb_pclk = {
+ .name = "apb_pclk",
+ .id = -1,
+};
+
static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
@@ -58,12 +131,7 @@ static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
}
-static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
-}
-
-static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
+int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
}
@@ -83,6 +151,11 @@ static int exynos4_clk_ip_mfc_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKGATE_IP_MFC, clk, enable);
}
+static int exynos4_clksrc_mask_tv_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKSRC_MASK_TV, clk, enable);
+}
+
static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
@@ -103,12 +176,12 @@ static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
}
-static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
+int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
}
-static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
+int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
}
@@ -123,6 +196,16 @@ static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
}
+static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable);
+}
+
+static int exynos4_clk_dac_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable);
+}
+
/* Core list of CMU_CPU side */
static struct clksrc_clk clk_mout_apll = {
@@ -133,7 +216,7 @@ static struct clksrc_clk clk_mout_apll = {
.reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
};
-static struct clksrc_clk clk_sclk_apll = {
+struct clksrc_clk clk_sclk_apll = {
.clk = {
.name = "sclk_apll",
.parent = &clk_mout_apll.clk,
@@ -141,7 +224,7 @@ static struct clksrc_clk clk_sclk_apll = {
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
};
-static struct clksrc_clk clk_mout_epll = {
+struct clksrc_clk clk_mout_epll = {
.clk = {
.name = "mout_epll",
},
@@ -149,12 +232,13 @@ static struct clksrc_clk clk_mout_epll = {
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
};
-static struct clksrc_clk clk_mout_mpll = {
+struct clksrc_clk clk_mout_mpll = {
.clk = {
.name = "mout_mpll",
},
.sources = &clk_src_mpll,
- .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
+
+ /* reg_src will be added in each SoCs' clock */
};
static struct clk *clkset_moutcore_list[] = {
@@ -224,12 +308,12 @@ static struct clksrc_clk clk_periphclk = {
/* Core list of CMU_CORE side */
-static struct clk *clkset_corebus_list[] = {
+struct clk *clkset_corebus_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
-static struct clksrc_sources clkset_mout_corebus = {
+struct clksrc_sources clkset_mout_corebus = {
.sources = clkset_corebus_list,
.nr_sources = ARRAY_SIZE(clkset_corebus_list),
};
@@ -284,12 +368,12 @@ static struct clksrc_clk clk_pclk_acp = {
/* Core list of CMU_TOP side */
-static struct clk *clkset_aclk_top_list[] = {
+struct clk *clkset_aclk_top_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
-static struct clksrc_sources clkset_aclk = {
+struct clksrc_sources clkset_aclk = {
.sources = clkset_aclk_top_list,
.nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
};
@@ -321,7 +405,7 @@ static struct clksrc_clk clk_aclk_160 = {
.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
};
-static struct clksrc_clk clk_aclk_133 = {
+struct clksrc_clk clk_aclk_133 = {
.clk = {
.name = "aclk_133",
},
@@ -360,7 +444,7 @@ static struct clksrc_sources clkset_sclk_vpll = {
.nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
};
-static struct clksrc_clk clk_sclk_vpll = {
+struct clksrc_clk clk_sclk_vpll = {
.clk = {
.name = "sclk_vpll",
},
@@ -410,16 +494,6 @@ static struct clk init_clocks_off[] = {
.enable = exynos4_clk_ip_lcd0_ctrl,
.ctrlbit = (1 << 0),
}, {
- .name = "fimd",
- .devname = "exynos4-fb.1",
- .enable = exynos4_clk_ip_lcd1_ctrl,
- .ctrlbit = (1 << 0),
- }, {
- .name = "sataphy",
- .parent = &clk_aclk_133.clk,
- .enable = exynos4_clk_ip_fsys_ctrl,
- .ctrlbit = (1 << 3),
- }, {
.name = "hsmmc",
.devname = "s3c-sdhci.0",
.parent = &clk_aclk_133.clk,
@@ -449,18 +523,48 @@ static struct clk init_clocks_off[] = {
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 9),
}, {
+ .name = "dac",
+ .devname = "s5p-sdo",
+ .enable = exynos4_clk_ip_tv_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "mixer",
+ .devname = "s5p-mixer",
+ .enable = exynos4_clk_ip_tv_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "vp",
+ .devname = "s5p-mixer",
+ .enable = exynos4_clk_ip_tv_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "hdmi",
+ .devname = "exynos4-hdmi",
+ .enable = exynos4_clk_ip_tv_ctrl,
+ .ctrlbit = (1 << 3),
+ }, {
+ .name = "hdmiphy",
+ .devname = "exynos4-hdmi",
+ .enable = exynos4_clk_hdmiphy_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "dacphy",
+ .devname = "s5p-sdo",
+ .enable = exynos4_clk_dac_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
.name = "sata",
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 10),
}, {
- .name = "pdma",
- .devname = "s3c-pl330.0",
+ .name = "dma",
+ .devname = "dma-pl330.0",
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 0),
}, {
- .name = "pdma",
- .devname = "s3c-pl330.1",
+ .name = "dma",
+ .devname = "dma-pl330.1",
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 1),
}, {
@@ -520,7 +624,7 @@ static struct clk init_clocks_off[] = {
.ctrlbit = (1 << 21),
}, {
.name = "ac97",
- .id = -1,
+ .devname = "samsung-ac97",
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 27),
}, {
@@ -581,6 +685,12 @@ static struct clk init_clocks_off[] = {
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 13),
}, {
+ .name = "i2c",
+ .devname = "s3c2440-hdmiphy-i2c",
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 14),
+ }, {
.name = "SYSMMU_MDMA",
.enable = exynos4_clk_ip_image_ctrl,
.ctrlbit = (1 << 5),
@@ -673,7 +783,7 @@ static struct clk init_clocks[] = {
}
};
-static struct clk *clkset_group_list[] = {
+struct clk *clkset_group_list[] = {
[0] = &clk_ext_xtal_mux,
[1] = &clk_xusbxti,
[2] = &clk_sclk_hdmi27m,
@@ -685,7 +795,7 @@ static struct clk *clkset_group_list[] = {
[8] = &clk_sclk_vpll.clk,
};
-static struct clksrc_sources clkset_group = {
+struct clksrc_sources clkset_group = {
.sources = clkset_group_list,
.nr_sources = ARRAY_SIZE(clkset_group_list),
};
@@ -782,6 +892,81 @@ static struct clksrc_sources clkset_mout_mfc = {
.nr_sources = ARRAY_SIZE(clkset_mout_mfc_list),
};
+static struct clk *clkset_sclk_dac_list[] = {
+ [0] = &clk_sclk_vpll.clk,
+ [1] = &clk_sclk_hdmiphy,
+};
+
+static struct clksrc_sources clkset_sclk_dac = {
+ .sources = clkset_sclk_dac_list,
+ .nr_sources = ARRAY_SIZE(clkset_sclk_dac_list),
+};
+
+static struct clksrc_clk clk_sclk_dac = {
+ .clk = {
+ .name = "sclk_dac",
+ .enable = exynos4_clksrc_mask_tv_ctrl,
+ .ctrlbit = (1 << 8),
+ },
+ .sources = &clkset_sclk_dac,
+ .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 8, .size = 1 },
+};
+
+static struct clksrc_clk clk_sclk_pixel = {
+ .clk = {
+ .name = "sclk_pixel",
+ .parent = &clk_sclk_vpll.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_TV, .shift = 0, .size = 4 },
+};
+
+static struct clk *clkset_sclk_hdmi_list[] = {
+ [0] = &clk_sclk_pixel.clk,
+ [1] = &clk_sclk_hdmiphy,
+};
+
+static struct clksrc_sources clkset_sclk_hdmi = {
+ .sources = clkset_sclk_hdmi_list,
+ .nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list),
+};
+
+static struct clksrc_clk clk_sclk_hdmi = {
+ .clk = {
+ .name = "sclk_hdmi",
+ .enable = exynos4_clksrc_mask_tv_ctrl,
+ .ctrlbit = (1 << 0),
+ },
+ .sources = &clkset_sclk_hdmi,
+ .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 0, .size = 1 },
+};
+
+static struct clk *clkset_sclk_mixer_list[] = {
+ [0] = &clk_sclk_dac.clk,
+ [1] = &clk_sclk_hdmi.clk,
+};
+
+static struct clksrc_sources clkset_sclk_mixer = {
+ .sources = clkset_sclk_mixer_list,
+ .nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list),
+};
+
+static struct clksrc_clk clk_sclk_mixer = {
+ .clk = {
+ .name = "sclk_mixer",
+ .enable = exynos4_clksrc_mask_tv_ctrl,
+ .ctrlbit = (1 << 4),
+ },
+ .sources = &clkset_sclk_mixer,
+ .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk *sclk_tv[] = {
+ &clk_sclk_dac,
+ &clk_sclk_pixel,
+ &clk_sclk_hdmi,
+ &clk_sclk_mixer,
+};
+
static struct clksrc_clk clk_dout_mmc0 = {
.clk = {
.name = "dout_mmc0",
@@ -899,8 +1084,7 @@ static struct clksrc_clk clksrcs[] = {
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
}, {
.clk = {
- .name = "sclk_cam",
- .devname = "exynos4-fimc.0",
+ .name = "sclk_cam0",
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 16),
},
@@ -909,8 +1093,7 @@ static struct clksrc_clk clksrcs[] = {
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
}, {
.clk = {
- .name = "sclk_cam",
- .devname = "exynos4-fimc.1",
+ .name = "sclk_cam1",
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 20),
},
@@ -969,25 +1152,6 @@ static struct clksrc_clk clksrcs[] = {
.reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
}, {
.clk = {
- .name = "sclk_fimd",
- .devname = "exynos4-fb.1",
- .enable = exynos4_clksrc_mask_lcd1_ctrl,
- .ctrlbit = (1 << 0),
- },
- .sources = &clkset_group,
- .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
- .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_sata",
- .enable = exynos4_clksrc_mask_fsys_ctrl,
- .ctrlbit = (1 << 24),
- },
- .sources = &clkset_mout_corebus,
- .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
- .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
- }, {
- .clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.0",
.enable = exynos4_clksrc_mask_peril1_ctrl,
@@ -1116,20 +1280,91 @@ static int xtal_rate;
static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
{
- return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
+ if (soc_is_exynos4210())
+ return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0),
+ pll_4508);
+ else if (soc_is_exynos4212() || soc_is_exynos4412())
+ return s5p_get_pll35xx(xtal_rate, __raw_readl(S5P_APLL_CON0));
+ else
+ return 0;
}
static struct clk_ops exynos4_fout_apll_ops = {
.get_rate = exynos4_fout_apll_get_rate,
};
+static u32 vpll_div[][8] = {
+ { 54000000, 3, 53, 3, 1024, 0, 17, 0 },
+ { 108000000, 3, 53, 2, 1024, 0, 17, 0 },
+};
+
+static unsigned long exynos4_vpll_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+
+static int exynos4_vpll_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int vpll_con0, vpll_con1 = 0;
+ unsigned int i;
+
+ /* Return if nothing changed */
+ if (clk->rate == rate)
+ return 0;
+
+ vpll_con0 = __raw_readl(S5P_VPLL_CON0);
+ vpll_con0 &= ~(0x1 << 27 | \
+ PLL90XX_MDIV_MASK << PLL46XX_MDIV_SHIFT | \
+ PLL90XX_PDIV_MASK << PLL46XX_PDIV_SHIFT | \
+ PLL90XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
+
+ vpll_con1 = __raw_readl(S5P_VPLL_CON1);
+ vpll_con1 &= ~(PLL46XX_MRR_MASK << PLL46XX_MRR_SHIFT | \
+ PLL46XX_MFR_MASK << PLL46XX_MFR_SHIFT | \
+ PLL4650C_KDIV_MASK << PLL46XX_KDIV_SHIFT);
+
+ for (i = 0; i < ARRAY_SIZE(vpll_div); i++) {
+ if (vpll_div[i][0] == rate) {
+ vpll_con0 |= vpll_div[i][1] << PLL46XX_PDIV_SHIFT;
+ vpll_con0 |= vpll_div[i][2] << PLL46XX_MDIV_SHIFT;
+ vpll_con0 |= vpll_div[i][3] << PLL46XX_SDIV_SHIFT;
+ vpll_con1 |= vpll_div[i][4] << PLL46XX_KDIV_SHIFT;
+ vpll_con1 |= vpll_div[i][5] << PLL46XX_MFR_SHIFT;
+ vpll_con1 |= vpll_div[i][6] << PLL46XX_MRR_SHIFT;
+ vpll_con0 |= vpll_div[i][7] << 27;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(vpll_div)) {
+ printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ __raw_writel(vpll_con0, S5P_VPLL_CON0);
+ __raw_writel(vpll_con1, S5P_VPLL_CON1);
+
+ /* Wait for VPLL lock */
+ while (!(__raw_readl(S5P_VPLL_CON0) & (1 << PLL46XX_LOCKED_SHIFT)))
+ continue;
+
+ clk->rate = rate;
+ return 0;
+}
+
+static struct clk_ops exynos4_vpll_ops = {
+ .get_rate = exynos4_vpll_get_rate,
+ .set_rate = exynos4_vpll_set_rate,
+};
+
void __init_or_cpufreq exynos4_setup_clocks(void)
{
struct clk *xtal_clk;
- unsigned long apll;
- unsigned long mpll;
- unsigned long epll;
- unsigned long vpll;
+ unsigned long apll = 0;
+ unsigned long mpll = 0;
+ unsigned long epll = 0;
+ unsigned long vpll = 0;
unsigned long vpllsrc;
unsigned long xtal;
unsigned long armclk;
@@ -1153,18 +1388,34 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
- apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
- mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
- epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
- __raw_readl(S5P_EPLL_CON1), pll_4600);
-
- vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
- vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
- __raw_readl(S5P_VPLL_CON1), pll_4650);
+ if (soc_is_exynos4210()) {
+ apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0),
+ pll_4508);
+ mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0),
+ pll_4508);
+ epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
+ __raw_readl(S5P_EPLL_CON1), pll_4600);
+
+ vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
+ vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
+ __raw_readl(S5P_VPLL_CON1), pll_4650c);
+ } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
+ apll = s5p_get_pll35xx(xtal, __raw_readl(S5P_APLL_CON0));
+ mpll = s5p_get_pll35xx(xtal, __raw_readl(S5P_MPLL_CON0));
+ epll = s5p_get_pll36xx(xtal, __raw_readl(S5P_EPLL_CON0),
+ __raw_readl(S5P_EPLL_CON1));
+
+ vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
+ vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
+ __raw_readl(S5P_VPLL_CON1));
+ } else {
+ /* nothing */
+ }
clk_fout_apll.ops = &exynos4_fout_apll_ops;
clk_fout_mpll.rate = mpll;
clk_fout_epll.rate = epll;
+ clk_fout_vpll.ops = &exynos4_vpll_ops;
clk_fout_vpll.rate = vpll;
printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
@@ -1192,7 +1443,32 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
}
static struct clk *clks[] __initdata = {
- /* Nothing here yet */
+ &clk_sclk_hdmi27m,
+ &clk_sclk_hdmiphy,
+ &clk_sclk_usbphy0,
+ &clk_sclk_usbphy1,
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int exynos4_clock_suspend(void)
+{
+ s3c_pm_do_save(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save));
+ return 0;
+}
+
+static void exynos4_clock_resume(void)
+{
+ s3c_pm_do_restore_core(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save));
+}
+
+#else
+#define exynos4_clock_suspend NULL
+#define exynos4_clock_resume NULL
+#endif
+
+struct syscore_ops exynos4_clock_syscore_ops = {
+ .suspend = exynos4_clock_suspend,
+ .resume = exynos4_clock_resume,
};
void __init exynos4_register_clocks(void)
@@ -1204,11 +1480,17 @@ void __init exynos4_register_clocks(void)
for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
s3c_register_clksrc(sysclks[ptr], 1);
+ for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++)
+ s3c_register_clksrc(sclk_tv[ptr], 1);
+
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ register_syscore_ops(&exynos4_clock_syscore_ops);
+ s3c24xx_register_clock(&dummy_apb_pclk);
+
s3c_pwmclk_init();
}