S3C2443: Move i2s clock definitions to common code
From: Heiko Stuebner <heiko@...> Date: Sat, 20 Aug 2011 13:53:43 +0200
Commit-Message
S3C2416/S3C2450 use the same clocks for their i2s blocks and can therefore reuse the existing ones. Signed-off-by: Heiko Stuebner <heiko@...>
Patch-Comment
arch/arm/mach-s3c2443/clock.c | 53 --------------------------------- arch/arm/plat-s3c24xx/s3c2443-clock.c | 53 +++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+), 53 deletions(-)
Statistics
- 53 lines added
- 53 lines removed
Changes
------------------------ arch/arm/mach-s3c2443/clock.c -------------------------
index a1a7176..966bde5 100644
@@ -57,10 +57,6 @@
/* clock selections */
/* armdiv
*
* this clock is sourced from msysclk and can have a number of
@@ -235,48 +231,6 @@ static struct clk clk_hsmmc = {
},
};
/* standard clock definitions */
static struct clk init_clocks_off[] = {
@@ -286,11 +240,6 @@ static struct clk init_clocks_off[] = {
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_SDI,
}, {
.name = "spi",
.devname = "s3c2410-spi.0",
.parent = &clk_p,
@@ -312,8 +261,6 @@ static struct clk init_clocks[] = {
static struct clksrc_clk *clksrcs[] __initdata = {
&clk_arm,
&clk_hsspi,
&clk_hsmmc_div,
};
-------------------- arch/arm/plat-s3c24xx/s3c2443-clock.c ---------------------
index 59552c0..e2807d9 100644
@@ -205,9 +205,60 @@ 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 +457,8 @@ static struct clk *clks[] __initdata = {
};
static struct clksrc_clk *clksrcs[] __initdata = {
+ &clk_i2s_eplldiv,
+ &clk_i2s,
&clk_usb_bus_host,
&clk_epllref,
&clk_esysclk,