Seungwhan Youn wrote:
This patch add SCLK_SPDIF clock to support source clock of S/PDIF on S5PC100.
Signed-off-by: Seungwhan Youn sw.youn@samsung.com
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;
How about following?
static int parent_set_rate(struct clk *clk, unsigned long rate) { struct clk *p_clk; int ret; p_clk = clk_get_parent(clk); ret = clk_set_rate(p_clk, rate);
clk_put(p_clk);
return ret; }
Hmm...isn't there any method?...
+}
+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;
+}
Similar...
+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)
Thanks.
Best regards, Kgene. -- Kukjin Kim kgene.kim@samsung.com, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.