Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (214 commits)
  ALSA: hda - Add pin-fix for HP dc5750
  ALSA: als4000: Fix potentially invalid DMA mode setup
  ALSA: als4000: enable burst mode
  ALSA: hda - Fix initial capsrc selection in patch_alc269()
  ASoC: TWL4030: Capture route runtime DAPM ordering fix
  ALSA: hda - Add PC-beep whitelist for an Intel board
  ALSA: hda - More relax for pending period handling
  ALSA: hda - Define AC_FMT_* constants
  ALSA: hda - Fix beep frequency on IDT 92HD73xx and 92HD71Bxx codecs
  ALSA: hda - Add support for HDMI HBR passthrough
  ALSA: hda - Set Stream Type in Stream Format according to AES0
  ALSA: hda - Fix Thinkpad X300 so SPDIF is not exposed
  ALSA: hda - FIX to not expose SPDIF on Thinkpad X301, since it does not have the ability to use SPDIF
  ASoC: wm9081: fix resource reclaim in wm9081_register error path
  ASoC: wm8978: fix a memory leak if a wm8978_register fail
  ASoC: wm8974: fix a memory leak if another WM8974 is registered
  ASoC: wm8961: fix resource reclaim in wm8961_register error path
  ASoC: wm8955: fix resource reclaim in wm8955_register error path
  ASoC: wm8940: fix a memory leak if wm8940_register return error
  ASoC: wm8904: fix resource reclaim in wm8904_register error path
  ...

1 files changed, 66 insertions, 1 deletions

diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index 7f3039761d91..8bf3cec98cfa 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -43,7 +43,8 @@ static unsigned long get_uart_rate(struct clk *clk);
 
 static int set_keytchclk_rate(struct clk *clk, unsigned long rate);
 static int set_div_rate(struct clk *clk, unsigned long rate);
-
+static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate);
+static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate);
 
 static struct clk clk_xtali = {
         .rate           = EP93XX_EXT_CLK_RATE,
@@ -112,6 +113,29 @@ static struct clk clk_video = {
         .set_rate       = set_div_rate,
 };
 
+static struct clk clk_i2s_mclk = {
+        .sw_locked      = 1,
+        .enable_reg     = EP93XX_SYSCON_I2SCLKDIV,
+        .enable_mask    = EP93XX_SYSCON_CLKDIV_ENABLE,
+        .set_rate       = set_div_rate,
+};
+
+static struct clk clk_i2s_sclk = {
+        .sw_locked      = 1,
+        .parent         = &clk_i2s_mclk,
+        .enable_reg     = EP93XX_SYSCON_I2SCLKDIV,
+        .enable_mask    = EP93XX_SYSCON_I2SCLKDIV_SENA,
+        .set_rate       = set_i2s_sclk_rate,
+};
+
+static struct clk clk_i2s_lrclk = {
+        .sw_locked      = 1,
+        .parent         = &clk_i2s_sclk,
+        .enable_reg     = EP93XX_SYSCON_I2SCLKDIV,
+        .enable_mask    = EP93XX_SYSCON_I2SCLKDIV_SENA,
+        .set_rate       = set_i2s_lrclk_rate,
+};
+
 /* DMA Clocks */
 static struct clk clk_m2p0 = {
         .parent         = &clk_h,
@@ -191,6 +215,9 @@ static struct clk_lookup clocks[] = {
         INIT_CK("ep93xx-keypad",        NULL,           &clk_keypad),
         INIT_CK("ep93xx-fb",            NULL,           &clk_video),
         INIT_CK("ep93xx-spi.0",         NULL,           &clk_spi),
+        INIT_CK("ep93xx-i2s",           "mclk",         &clk_i2s_mclk),
+        INIT_CK("ep93xx-i2s",           "sclk",         &clk_i2s_sclk),
+        INIT_CK("ep93xx-i2s",           "lrclk",        &clk_i2s_lrclk),
         INIT_CK(NULL,                   "pwm_clk",      &clk_pwm),
         INIT_CK(NULL,                   "m2p0",         &clk_m2p0),
         INIT_CK(NULL,                   "m2p1",         &clk_m2p1),
@@ -401,6 +428,44 @@ static int set_div_rate(struct clk *clk, unsigned long rate)
         return 0;
 }
 
+static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate)
+{
+        unsigned val = __raw_readl(clk->enable_reg);
+
+        if (rate == clk_i2s_mclk.rate / 2)
+                ep93xx_syscon_swlocked_write(val & ~EP93XX_I2SCLKDIV_SDIV, 
+                                             clk->enable_reg);
+        else if (rate == clk_i2s_mclk.rate / 4)
+                ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_SDIV, 
+                                             clk->enable_reg);
+        else
+                return -EINVAL;
+
+        clk_i2s_sclk.rate = rate;
+        return 0;
+}
+
+static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate)
+{
+        unsigned val = __raw_readl(clk->enable_reg) & 
+                ~EP93XX_I2SCLKDIV_LRDIV_MASK;
+        
+        if (rate == clk_i2s_sclk.rate / 32)
+                ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_LRDIV32,
+                                             clk->enable_reg);
+        else if (rate == clk_i2s_sclk.rate / 64)
+                ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_LRDIV64,
+                                             clk->enable_reg);
+        else if (rate == clk_i2s_sclk.rate / 128)
+                ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_LRDIV128,
+                                             clk->enable_reg);
+        else
+                return -EINVAL;
+
+        clk_i2s_lrclk.rate = rate;
+        return 0;
+}
+
 int clk_set_rate(struct clk *clk, unsigned long rate)
 {
         if (clk->set_rate)