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@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;
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@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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