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Commit 04a4fd0a authored by Seungwhan Youn's avatar Seungwhan Youn Committed by Kukjin Kim
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ARM: S5PC100: Add SCLK_SPDIF clock 



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

Signed-off-by: default avatarSeungwhan Youn <sw.youn@samsung.com>
Acked-by: default avatarJassi Brar <jassi.brar@samsung.com>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 4cfd9c25

arch/arm/mach-s5pc100/clock.c

+59 −0
Original line number Diff line number Diff line
@@ -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)