This patch add SCLK_SPDIF clock to support source clock of S/PDIF
on S5PC100.
Signed-off-by: Seungwhan Youn <sw.youn@xxxxxxxxxxx>
---
arch/arm/mach-s5pc100/clock.c | 59 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
index 42b7138..306ae74 100644
--- a/arch/arm/mach-s5pc100/clock.c
+++ b/arch/arm/mach-s5pc100/clock.c
@@ -980,6 +980,64 @@ 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 = {
@@ -1185,6 +1243,7 @@ static struct clksrc_clk *sysclks[] = {
&clk_sclk_audio0,
&clk_sclk_audio1,
&clk_sclk_audio2,
+ &clk_sclk_spdif,
};
void __init_or_cpufreq s5pc100_setup_clocks(void)
--
1.6.2.5
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