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ARM: S5PV210: Add SCLK_SPDIF clock

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This patch add SCLK_SPDIF clock to support source clock of S/PDIF
on S5PV210.

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 10:35:24 +09:00 committed by Kukjin Kim
parent 494edadd62
commit aa21ae3d87
1 changed files with 53 additions and 9 deletions
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62
arch/arm/mach-s5pv210/clock.c
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@ -472,6 +472,12 @@ static struct clk init_clocks_disable[] = {
.parent = &clk_p,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "spdif",
.id = -1,
.parent = &clk_p,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1 << 0),
},
};
@ -701,6 +707,53 @@ static struct clksrc_sources clkset_sclk_spdif = {
.nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list),
};
static int s5pv210_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 s5pv210_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 s5pv210_sclk_spdif_ops = {
.set_rate = s5pv210_spdif_set_rate,
.get_rate = s5pv210_spdif_get_rate,
};
static struct clksrc_clk clk_sclk_spdif = {
.clk = {
.name = "sclk_spdif",
.id = -1,
.enable = s5pv210_clk_mask0_ctrl,
.ctrlbit = (1 << 27),
.ops = &s5pv210_sclk_spdif_ops,
},
.sources = &clkset_sclk_spdif,
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
};
static struct clk *clkset_group2_list[] = {
[0] = &clk_ext_xtal_mux,
[1] = &clk_xusbxti,
@ -784,15 +837,6 @@ static struct clksrc_clk clksrcs[] = {
},
.sources = &clkset_sclk_mixer,
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
}, {
.clk = {
.name = "sclk_spdif",
.id = -1,
.enable = s5pv210_clk_mask0_ctrl,
.ctrlbit = (1 << 27),
},
.sources = &clkset_sclk_spdif,
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
}, {
.clk = {
.name = "sclk_fimc",