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Diffstat (limited to 'arch/arm/mach-s5pc100/clock.c')
-rw-r--r--arch/arm/mach-s5pc100/clock.c174
1 files changed, 112 insertions, 62 deletions
diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
index 084abd13b0a5..2d4a761a5163 100644
--- a/arch/arm/mach-s5pc100/clock.c
+++ b/arch/arm/mach-s5pc100/clock.c
@@ -273,24 +273,6 @@ static struct clksrc_clk clk_div_hdmi = {
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 28, .size = 4 },
};
-static int s5pc100_epll_enable(struct clk *clk, int enable)
-{
- unsigned int ctrlbit = clk->ctrlbit;
- unsigned int epll_con = __raw_readl(S5P_EPLL_CON) & ~ctrlbit;
-
- if (enable)
- __raw_writel(epll_con | ctrlbit, S5P_EPLL_CON);
- else
- __raw_writel(epll_con, S5P_EPLL_CON);
-
- return 0;
-}
-
-static unsigned long s5pc100_epll_get_rate(struct clk *clk)
-{
- return clk->rate;
-}
-
static u32 epll_div[][4] = {
{ 32750000, 131, 3, 4 },
{ 32768000, 131, 3, 4 },
@@ -341,13 +323,16 @@ static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate)
__raw_writel(epll_con, S5P_EPLL_CON);
+ printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
+ clk->rate, rate);
+
clk->rate = rate;
return 0;
}
static struct clk_ops s5pc100_epll_ops = {
- .get_rate = s5pc100_epll_get_rate,
+ .get_rate = s5p_epll_get_rate,
.set_rate = s5pc100_epll_set_rate,
};
@@ -691,55 +676,55 @@ static struct clk init_clocks_disable[] = {
}, {
.name = "iis",
.id = 0,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "iis",
.id = 1,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = "iis",
.id = 2,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 2),
}, {
.name = "ac97",
.id = -1,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "pcm",
.id = 0,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "pcm",
.id = 1,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "spdif",
.id = -1,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "adc",
.id = -1,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "keypad",
.id = -1,
- .parent = &clk_div_d1_bus.clk,
+ .parent = &clk_div_pclkd1.clk,
.enable = s5pc100_d1_5_ctrl,
.ctrlbit = (1 << 8),
}, {
@@ -848,6 +833,18 @@ struct clksrc_sources clk_src_group3 = {
.nr_sources = ARRAY_SIZE(clk_src_group3_list),
};
+static struct clksrc_clk clk_sclk_audio0 = {
+ .clk = {
+ .name = "sclk_audio",
+ .id = 0,
+ .ctrlbit = (1 << 8),
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clk_src_group3,
+ .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 3 },
+ .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
+};
+
static struct clk *clk_src_group4_list[] = {
[0] = &clk_mout_epll.clk,
[1] = &clk_div_mpll.clk,
@@ -862,6 +859,18 @@ struct clksrc_sources clk_src_group4 = {
.nr_sources = ARRAY_SIZE(clk_src_group4_list),
};
+static struct clksrc_clk clk_sclk_audio1 = {
+ .clk = {
+ .name = "sclk_audio",
+ .id = 1,
+ .ctrlbit = (1 << 9),
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clk_src_group4,
+ .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 3 },
+ .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
+};
+
static struct clk *clk_src_group5_list[] = {
[0] = &clk_mout_epll.clk,
[1] = &clk_div_mpll.clk,
@@ -875,6 +884,18 @@ struct clksrc_sources clk_src_group5 = {
.nr_sources = ARRAY_SIZE(clk_src_group5_list),
};
+static struct clksrc_clk clk_sclk_audio2 = {
+ .clk = {
+ .name = "sclk_audio",
+ .id = 2,
+ .ctrlbit = (1 << 10),
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clk_src_group5,
+ .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 3 },
+ .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
+};
+
static struct clk *clk_src_group6_list[] = {
[0] = &s5p_clk_27m,
[1] = &clk_vclk54m,
@@ -944,6 +965,64 @@ struct clksrc_sources clk_src_pwi = {
.nr_sources = ARRAY_SIZE(clk_src_pwi_list),
};
+static struct clk *clk_sclk_spdif_list[] = {
+ [0] = &clk_sclk_audio0.clk,
+ [1] = &clk_sclk_audio1.clk,
+ [2] = &clk_sclk_audio2.clk,
+};
+
+struct clksrc_sources clk_src_sclk_spdif = {
+ .sources = clk_sclk_spdif_list,
+ .nr_sources = ARRAY_SIZE(clk_sclk_spdif_list),
+};
+
+static int s5pc100_spdif_set_rate(struct clk *clk, unsigned long rate)
+{
+ struct clk *pclk;
+ int ret;
+
+ pclk = clk_get_parent(clk);
+ if (IS_ERR(pclk))
+ return -EINVAL;
+
+ ret = pclk->ops->set_rate(pclk, rate);
+ clk_put(pclk);
+
+ return ret;
+}
+
+static unsigned long s5pc100_spdif_get_rate(struct clk *clk)
+{
+ struct clk *pclk;
+ int rate;
+
+ pclk = clk_get_parent(clk);
+ if (IS_ERR(pclk))
+ return -EINVAL;
+
+ rate = pclk->ops->get_rate(clk);
+ clk_put(pclk);
+
+ return rate;
+}
+
+static struct clk_ops s5pc100_sclk_spdif_ops = {
+ .set_rate = s5pc100_spdif_set_rate,
+ .get_rate = s5pc100_spdif_get_rate,
+};
+
+static struct clksrc_clk clk_sclk_spdif = {
+ .clk = {
+ .name = "sclk_spdif",
+ .id = -1,
+ .ctrlbit = (1 << 11),
+ .enable = s5pc100_sclk1_ctrl,
+ .ops = &s5pc100_sclk_spdif_ops,
+ },
+ .sources = &clk_src_sclk_spdif,
+ .reg_src = { .reg = S5P_CLK_SRC3, .shift = 24, .size = 2 },
+};
+
static struct clksrc_clk clksrcs[] = {
{
.clk = {
@@ -1001,39 +1080,6 @@ static struct clksrc_clk clksrcs[] = {
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 28, .size = 2 },
}, {
.clk = {
- .name = "sclk_audio",
- .id = 0,
- .ctrlbit = (1 << 8),
- .enable = s5pc100_sclk1_ctrl,
-
- },
- .sources = &clk_src_group3,
- .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 3 },
- .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_audio",
- .id = 1,
- .ctrlbit = (1 << 9),
- .enable = s5pc100_sclk1_ctrl,
-
- },
- .sources = &clk_src_group4,
- .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 3 },
- .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_audio",
- .id = 2,
- .ctrlbit = (1 << 10),
- .enable = s5pc100_sclk1_ctrl,
-
- },
- .sources = &clk_src_group5,
- .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 3 },
- .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
- }, {
- .clk = {
.name = "sclk_lcd",
.id = -1,
.ctrlbit = (1 << 0),
@@ -1179,6 +1225,10 @@ static struct clksrc_clk *sysclks[] = {
&clk_div_pclkd1,
&clk_div_cam,
&clk_div_hdmi,
+ &clk_sclk_audio0,
+ &clk_sclk_audio1,
+ &clk_sclk_audio2,
+ &clk_sclk_spdif,
};
void __init_or_cpufreq s5pc100_setup_clocks(void)
@@ -1196,7 +1246,7 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
unsigned int ptr;
/* Set S5PC100 functions for clk_fout_epll */
- clk_fout_epll.enable = s5pc100_epll_enable;
+ clk_fout_epll.enable = s5p_epll_enable;
clk_fout_epll.ops = &s5pc100_epll_ops;
printk(KERN_DEBUG "%s: registering clocks\n", __func__);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 21:39:24 +0000