ARM: S3C2443: Move i2s clock definitions to common code

S3C2416/S3C2450 use the same clocks for their i2s blocks
and can therefore reuse the existing ones.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c
index 59552c0ea5fb..f630adfaf5b2 100644
--- a/arch/arm/plat-s3c24xx/s3c2443-clock.c
+++ b/arch/arm/plat-s3c24xx/s3c2443-clock.c
@@ -205,9 +205,59 @@ static struct clksrc_clk clksrc_clks[] = {
         },
 };
 
+static struct clk clk_i2s_ext = {
+        .name           = "i2s-ext",
+};
+
+/* i2s_eplldiv
+ *
+ * This clock is the output from the I2S divisor of ESYSCLK, and is separate
+ * from the mux that comes after it (cannot merge into one single clock)
+*/
+
+static struct clksrc_clk clk_i2s_eplldiv = {
+        .clk    = {
+                .name           = "i2s-eplldiv",
+                .parent         = &clk_esysclk.clk,
+        },
+        .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, },
+};
+
+/* i2s-ref
+ *
+ * i2s bus reference clock, selectable from external, esysclk or epllref
+ *
+ * Note, this used to be two clocks, but was compressed into one.
+*/
+
+static struct clk *clk_i2s_srclist[] = {
+        [0] = &clk_i2s_eplldiv.clk,
+        [1] = &clk_i2s_ext,
+        [2] = &clk_epllref.clk,
+        [3] = &clk_epllref.clk,
+};
+
+static struct clksrc_clk clk_i2s = {
+        .clk    = {
+                .name           = "i2s-if",
+                .ctrlbit        = S3C2443_SCLKCON_I2SCLK,
+                .enable         = s3c2443_clkcon_enable_s,
+
+        },
+        .sources = &(struct clksrc_sources) {
+                .sources = clk_i2s_srclist,
+                .nr_sources = ARRAY_SIZE(clk_i2s_srclist),
+        },
+        .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 },
+};
 
 static struct clk init_clocks_off[] = {
         {
+                .name           = "iis",
+                .parent         = &clk_p,
+                .enable         = s3c2443_clkcon_enable_p,
+                .ctrlbit        = S3C2443_PCLKCON_IIS,
+        }, {
                 .name           = "adc",
                 .parent         = &clk_p,
                 .enable         = s3c2443_clkcon_enable_p,
@@ -406,6 +456,8 @@ static struct clk *clks[] __initdata = {
 };
 
 static struct clksrc_clk *clksrcs[] __initdata = {
+        &clk_i2s_eplldiv,
+        &clk_i2s,
         &clk_usb_bus_host,
         &clk_epllref,
         &clk_esysclk,