ARM: S5PV210: Add SCLK_SPDIF clock
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>
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index 1b01120..106993e 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -472,6 +472,12 @@
.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 @@
.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,
@@ -785,15 +838,6 @@
.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",
.id = 0,