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ARM: S5PC100: Add SCLK_SPDIF clock

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This patch add SCLK_SPDIF clock to support source clock of S/PDIF
on S5PC100.

Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Seungwhan Youn 2010-10-14 10:35:23 +09:00 committed by Kukjin Kim
parent 4cfd9c2530
commit 04a4fd0ae2
1 changed files with 59 additions and 0 deletions
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59
arch/arm/mach-s5pc100/clock.c
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@ -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)