5 files changed, 360 insertions, 75 deletions

diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 376e14a9c273..e30c8325f35e 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -23,6 +23,7 @@ config SND_PXA2XX_SOC_I2S
 
 config SND_PXA_SOC_SSP
         tristate
+        select PXA_SSP
 
 config SND_PXA2XX_SOC_CORGI
         tristate "SoC Audio support for Sharp Zaurus SL-C7x0"
@@ -42,6 +43,14 @@ config SND_PXA2XX_SOC_SPITZ
           Say Y if you want to add support for SoC audio on Sharp
           Zaurus SL-Cxx00 models (Spitz, Borzoi and Akita).
 
+config SND_PXA2XX_SOC_Z2
+        tristate "SoC Audio support for Zipit Z2"
+        depends on SND_PXA2XX_SOC && MACH_ZIPIT2
+        select SND_PXA2XX_SOC_I2S
+        select SND_SOC_WM8750
+        help
+          Say Y if you want to add support for SoC audio on Zipit Z2.
+
 config SND_PXA2XX_SOC_POODLE
         tristate "SoC Audio support for Poodle"
         depends on SND_PXA2XX_SOC && MACH_POODLE
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
index f3e08fd40ca2..caa03d8f4789 100644
--- a/sound/soc/pxa/Makefile
+++ b/sound/soc/pxa/Makefile
@@ -22,6 +22,7 @@ snd-soc-palm27x-objs := palm27x.o
 snd-soc-zylonite-objs := zylonite.o
 snd-soc-magician-objs := magician.o
 snd-soc-mioa701-objs := mioa701_wm9713.o
+snd-soc-z2-objs := z2.o
 snd-soc-imote2-objs := imote2.o
 snd-soc-raumfeld-objs := raumfeld.o
 
@@ -36,6 +37,7 @@ obj-$(CONFIG_SND_PXA2XX_SOC_EM_X270) += snd-soc-em-x270.o
 obj-$(CONFIG_SND_PXA2XX_SOC_PALM27X) += snd-soc-palm27x.o
 obj-$(CONFIG_SND_PXA2XX_SOC_MAGICIAN) += snd-soc-magician.o
 obj-$(CONFIG_SND_PXA2XX_SOC_MIOA701) += snd-soc-mioa701.o
+obj-$(CONFIG_SND_PXA2XX_SOC_Z2) += snd-soc-z2.o
 obj-$(CONFIG_SND_SOC_ZYLONITE) += snd-soc-zylonite.o
 obj-$(CONFIG_SND_PXA2XX_SOC_IMOTE2) += snd-soc-imote2.o
 obj-$(CONFIG_SND_SOC_RAUMFELD) += snd-soc-raumfeld.o
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index 544fd9566f4d..a1fd23e0e3d0 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -32,9 +32,8 @@
 
 #include <mach/hardware.h>
 #include <mach/dma.h>
-#include <mach/regs-ssp.h>
 #include <mach/audio.h>
-#include <mach/ssp.h>
+#include <plat/ssp.h>
 
 #include "pxa2xx-pcm.h"
 #include "pxa-ssp.h"
@@ -57,15 +56,15 @@ struct ssp_priv {
 static void dump_registers(struct ssp_device *ssp)
 {
         dev_dbg(&ssp->pdev->dev, "SSCR0 0x%08x SSCR1 0x%08x SSTO 0x%08x\n",
-                 ssp_read_reg(ssp, SSCR0), ssp_read_reg(ssp, SSCR1),
-                 ssp_read_reg(ssp, SSTO));
+                 pxa_ssp_read_reg(ssp, SSCR0), pxa_ssp_read_reg(ssp, SSCR1),
+                 pxa_ssp_read_reg(ssp, SSTO));
 
         dev_dbg(&ssp->pdev->dev, "SSPSP 0x%08x SSSR 0x%08x SSACD 0x%08x\n",
-                 ssp_read_reg(ssp, SSPSP), ssp_read_reg(ssp, SSSR),
-                 ssp_read_reg(ssp, SSACD));
+                 pxa_ssp_read_reg(ssp, SSPSP), pxa_ssp_read_reg(ssp, SSSR),
+                 pxa_ssp_read_reg(ssp, SSACD));
 }
 
-static void ssp_enable(struct ssp_device *ssp)
+static void pxa_ssp_enable(struct ssp_device *ssp)
 {
         uint32_t sscr0;
 
@@ -73,7 +72,7 @@ static void ssp_enable(struct ssp_device *ssp)
         __raw_writel(sscr0, ssp->mmio_base + SSCR0);
 }
 
-static void ssp_disable(struct ssp_device *ssp)
+static void pxa_ssp_disable(struct ssp_device *ssp)
 {
         uint32_t sscr0;
 
@@ -87,7 +86,7 @@ struct pxa2xx_pcm_dma_data {
 };
 
 static struct pxa2xx_pcm_dma_params *
-ssp_get_dma_params(struct ssp_device *ssp, int width4, int out)
+pxa_ssp_get_dma_params(struct ssp_device *ssp, int width4, int out)
 {
         struct pxa2xx_pcm_dma_data *dma;
 
@@ -119,7 +118,7 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream,
 
         if (!cpu_dai->active) {
                 clk_enable(ssp->clk);
-                ssp_disable(ssp);
+                pxa_ssp_disable(ssp);
         }
 
         kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
@@ -137,7 +136,7 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
         struct ssp_device *ssp = priv->ssp;
 
         if (!cpu_dai->active) {
-                ssp_disable(ssp);
+                pxa_ssp_disable(ssp);
                 clk_disable(ssp->clk);
         }
 
@@ -160,7 +159,7 @@ static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai)
         priv->to  = __raw_readl(ssp->mmio_base + SSTO);
         priv->psp = __raw_readl(ssp->mmio_base + SSPSP);
 
-        ssp_disable(ssp);
+        pxa_ssp_disable(ssp);
         clk_disable(ssp->clk);
         return 0;
 }
@@ -180,7 +179,7 @@ static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai)
         __raw_writel(priv->psp, ssp->mmio_base + SSPSP);
 
         if (cpu_dai->active)
-                ssp_enable(ssp);
+                pxa_ssp_enable(ssp);
         else
                 clk_disable(ssp->clk);
 
@@ -196,9 +195,9 @@ static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai)
  * ssp_set_clkdiv - set SSP clock divider
  * @div: serial clock rate divider
  */
-static void ssp_set_scr(struct ssp_device *ssp, u32 div)
+static void pxa_ssp_set_scr(struct ssp_device *ssp, u32 div)
 {
-        u32 sscr0 = ssp_read_reg(ssp, SSCR0);
+        u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
 
         if (cpu_is_pxa25x() && ssp->type == PXA25x_SSP) {
                 sscr0 &= ~0x0000ff00;
@@ -207,15 +206,15 @@ static void ssp_set_scr(struct ssp_device *ssp, u32 div)
                 sscr0 &= ~0x000fff00;
                 sscr0 |= (div - 1) << 8;     /* 1..4096 */
         }
-        ssp_write_reg(ssp, SSCR0, sscr0);
+        pxa_ssp_write_reg(ssp, SSCR0, sscr0);
 }
 
 /**
- * ssp_get_clkdiv - get SSP clock divider
+ * pxa_ssp_get_clkdiv - get SSP clock divider
  */
-static u32 ssp_get_scr(struct ssp_device *ssp)
+static u32 pxa_ssp_get_scr(struct ssp_device *ssp)
 {
-        u32 sscr0 = ssp_read_reg(ssp, SSCR0);
+        u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
         u32 div;
 
         if (cpu_is_pxa25x() && ssp->type == PXA25x_SSP)
@@ -235,7 +234,7 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
         struct ssp_device *ssp = priv->ssp;
         int val;
 
-        u32 sscr0 = ssp_read_reg(ssp, SSCR0) &
+        u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0) &
                 ~(SSCR0_ECS |  SSCR0_NCS | SSCR0_MOD | SSCR0_ACS);
 
         dev_dbg(&ssp->pdev->dev,
@@ -263,7 +262,7 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
                 break;
         case PXA_SSP_CLK_AUDIO:
                 priv->sysclk = 0;
-                ssp_set_scr(ssp, 1);
+                pxa_ssp_set_scr(ssp, 1);
                 sscr0 |= SSCR0_ACS;
                 break;
         default:
@@ -274,8 +273,8 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
          * on PXA2xx.  On PXA3xx it must be enabled when doing so. */
         if (!cpu_is_pxa3xx())
                 clk_disable(ssp->clk);
-        val = ssp_read_reg(ssp, SSCR0) | sscr0;
-        ssp_write_reg(ssp, SSCR0, val);
+        val = pxa_ssp_read_reg(ssp, SSCR0) | sscr0;
+        pxa_ssp_write_reg(ssp, SSCR0, val);
         if (!cpu_is_pxa3xx())
                 clk_enable(ssp->clk);
 
@@ -294,11 +293,11 @@ static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai,
 
         switch (div_id) {
         case PXA_SSP_AUDIO_DIV_ACDS:
-                val = (ssp_read_reg(ssp, SSACD) & ~0x7) | SSACD_ACDS(div);
-                ssp_write_reg(ssp, SSACD, val);
+                val = (pxa_ssp_read_reg(ssp, SSACD) & ~0x7) | SSACD_ACDS(div);
+                pxa_ssp_write_reg(ssp, SSACD, val);
                 break;
         case PXA_SSP_AUDIO_DIV_SCDB:
-                val = ssp_read_reg(ssp, SSACD);
+                val = pxa_ssp_read_reg(ssp, SSACD);
                 val &= ~SSACD_SCDB;
 #if defined(CONFIG_PXA3xx)
                 if (cpu_is_pxa3xx())
@@ -321,10 +320,10 @@ static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai,
                 default:
                         return -EINVAL;
                 }
-                ssp_write_reg(ssp, SSACD, val);
+                pxa_ssp_write_reg(ssp, SSACD, val);
                 break;
         case PXA_SSP_DIV_SCR:
-                ssp_set_scr(ssp, div);
+                pxa_ssp_set_scr(ssp, div);
                 break;
         default:
                 return -ENODEV;
@@ -341,11 +340,11 @@ static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id,
 {
         struct ssp_priv *priv = cpu_dai->private_data;
         struct ssp_device *ssp = priv->ssp;
-        u32 ssacd = ssp_read_reg(ssp, SSACD) & ~0x70;
+        u32 ssacd = pxa_ssp_read_reg(ssp, SSACD) & ~0x70;
 
 #if defined(CONFIG_PXA3xx)
         if (cpu_is_pxa3xx())
-                ssp_write_reg(ssp, SSACDD, 0);
+                pxa_ssp_write_reg(ssp, SSACDD, 0);
 #endif
 
         switch (freq_out) {
@@ -383,7 +382,7 @@ static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id,
                         val = tmp;
 
                         val = (val << 16) | 64;
-                        ssp_write_reg(ssp, SSACDD, val);
+                        pxa_ssp_write_reg(ssp, SSACDD, val);
 
                         ssacd |= (0x6 << 4);
 
@@ -397,7 +396,7 @@ static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id,
                 return -EINVAL;
         }
 
-        ssp_write_reg(ssp, SSACD, ssacd);
+        pxa_ssp_write_reg(ssp, SSACD, ssacd);
 
         return 0;
 }
@@ -412,7 +411,7 @@ static int pxa_ssp_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
         struct ssp_device *ssp = priv->ssp;
         u32 sscr0;
 
-        sscr0 = ssp_read_reg(ssp, SSCR0);
+        sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
         sscr0 &= ~(SSCR0_MOD | SSCR0_SlotsPerFrm(8) | SSCR0_EDSS | SSCR0_DSS);
 
         /* set slot width */
@@ -429,10 +428,10 @@ static int pxa_ssp_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
                 sscr0 |= SSCR0_SlotsPerFrm(slots);
 
                 /* set active slot mask */
-                ssp_write_reg(ssp, SSTSA, tx_mask);
-                ssp_write_reg(ssp, SSRSA, rx_mask);
+                pxa_ssp_write_reg(ssp, SSTSA, tx_mask);
+                pxa_ssp_write_reg(ssp, SSRSA, rx_mask);
         }
-        ssp_write_reg(ssp, SSCR0, sscr0);
+        pxa_ssp_write_reg(ssp, SSCR0, sscr0);
 
         return 0;
 }
@@ -447,12 +446,12 @@ static int pxa_ssp_set_dai_tristate(struct snd_soc_dai *cpu_dai,
         struct ssp_device *ssp = priv->ssp;
         u32 sscr1;
 
-        sscr1 = ssp_read_reg(ssp, SSCR1);
+        sscr1 = pxa_ssp_read_reg(ssp, SSCR1);
         if (tristate)
                 sscr1 &= ~SSCR1_TTE;
         else
                 sscr1 |= SSCR1_TTE;
-        ssp_write_reg(ssp, SSCR1, sscr1);
+        pxa_ssp_write_reg(ssp, SSCR1, sscr1);
 
         return 0;
 }
@@ -476,14 +475,14 @@ static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
                 return 0;
 
         /* we can only change the settings if the port is not in use */
-        if (ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) {
+        if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) {
                 dev_err(&ssp->pdev->dev,
                         "can't change hardware dai format: stream is in use");
                 return -EINVAL;
         }
 
         /* reset port settings */
-        sscr0 = ssp_read_reg(ssp, SSCR0) &
+        sscr0 = pxa_ssp_read_reg(ssp, SSCR0) &
                 (SSCR0_ECS |  SSCR0_NCS | SSCR0_MOD | SSCR0_ACS);
         sscr1 = SSCR1_RxTresh(8) | SSCR1_TxTresh(7);
         sspsp = 0;
@@ -535,9 +534,9 @@ static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
                 return -EINVAL;
         }
 
-        ssp_write_reg(ssp, SSCR0, sscr0);
-        ssp_write_reg(ssp, SSCR1, sscr1);
-        ssp_write_reg(ssp, SSPSP, sspsp);
+        pxa_ssp_write_reg(ssp, SSCR0, sscr0);
+        pxa_ssp_write_reg(ssp, SSCR1, sscr1);
+        pxa_ssp_write_reg(ssp, SSPSP, sspsp);
 
         dump_registers(ssp);
 
@@ -566,7 +565,7 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
         u32 sscr0;
         u32 sspsp;
         int width = snd_pcm_format_physical_width(params_format(params));
-        int ttsa = ssp_read_reg(ssp, SSTSA) & 0xf;
+        int ttsa = pxa_ssp_read_reg(ssp, SSTSA) & 0xf;
         struct pxa2xx_pcm_dma_params *dma_data;
 
         dma_data = snd_soc_dai_get_dma_data(dai, substream);
@@ -578,22 +577,22 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
          * to force 16-bit frame width on the wire (for S16_LE), even
          * with two channels. Use 16-bit DMA transfers for this case.
          */
-        dma_data = ssp_get_dma_params(ssp,
+        dma_data = pxa_ssp_get_dma_params(ssp,
                         ((chn == 2) && (ttsa != 1)) || (width == 32),
                         substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
 
         snd_soc_dai_set_dma_data(dai, substream, dma_data);
 
         /* we can only change the settings if the port is not in use */
-        if (ssp_read_reg(ssp, SSCR0) & SSCR0_SSE)
+        if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE)
                 return 0;
 
         /* clear selected SSP bits */
-        sscr0 = ssp_read_reg(ssp, SSCR0) & ~(SSCR0_DSS | SSCR0_EDSS);
-        ssp_write_reg(ssp, SSCR0, sscr0);
+        sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~(SSCR0_DSS | SSCR0_EDSS);
+        pxa_ssp_write_reg(ssp, SSCR0, sscr0);
 
         /* bit size */
-        sscr0 = ssp_read_reg(ssp, SSCR0);
+        sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
         switch (params_format(params)) {
         case SNDRV_PCM_FORMAT_S16_LE:
 #ifdef CONFIG_PXA3xx
@@ -609,13 +608,13 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
                 sscr0 |= (SSCR0_EDSS | SSCR0_DataSize(16));
                 break;
         }
-        ssp_write_reg(ssp, SSCR0, sscr0);
+        pxa_ssp_write_reg(ssp, SSCR0, sscr0);
 
         switch (priv->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
         case SND_SOC_DAIFMT_I2S:
-               sspsp = ssp_read_reg(ssp, SSPSP);
+               sspsp = pxa_ssp_read_reg(ssp, SSPSP);
 
-                if ((ssp_get_scr(ssp) == 4) && (width == 16)) {
+                if ((pxa_ssp_get_scr(ssp) == 4) && (width == 16)) {
                         /* This is a special case where the bitclk is 64fs
                         * and we're not dealing with 2*32 bits of audio
                         * samples.
@@ -649,7 +648,7 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
                         sspsp |= SSPSP_DMYSTRT(1);
                 }
 
-                ssp_write_reg(ssp, SSPSP, sspsp);
+                pxa_ssp_write_reg(ssp, SSPSP, sspsp);
                 break;
         default:
                 break;
@@ -680,45 +679,45 @@ static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd,
 
         switch (cmd) {
         case SNDRV_PCM_TRIGGER_RESUME:
-                ssp_enable(ssp);
+                pxa_ssp_enable(ssp);
                 break;
         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-                val = ssp_read_reg(ssp, SSCR1);
+                val = pxa_ssp_read_reg(ssp, SSCR1);
                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                         val |= SSCR1_TSRE;
                 else
                         val |= SSCR1_RSRE;
-                ssp_write_reg(ssp, SSCR1, val);
-                val = ssp_read_reg(ssp, SSSR);
-                ssp_write_reg(ssp, SSSR, val);
+                pxa_ssp_write_reg(ssp, SSCR1, val);
+                val = pxa_ssp_read_reg(ssp, SSSR);
+                pxa_ssp_write_reg(ssp, SSSR, val);
                 break;
         case SNDRV_PCM_TRIGGER_START:
-                val = ssp_read_reg(ssp, SSCR1);
+                val = pxa_ssp_read_reg(ssp, SSCR1);
                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                         val |= SSCR1_TSRE;
                 else
                         val |= SSCR1_RSRE;
-                ssp_write_reg(ssp, SSCR1, val);
-                ssp_enable(ssp);
+                pxa_ssp_write_reg(ssp, SSCR1, val);
+                pxa_ssp_enable(ssp);
                 break;
         case SNDRV_PCM_TRIGGER_STOP:
-                val = ssp_read_reg(ssp, SSCR1);
+                val = pxa_ssp_read_reg(ssp, SSCR1);
                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                         val &= ~SSCR1_TSRE;
                 else
                         val &= ~SSCR1_RSRE;
-                ssp_write_reg(ssp, SSCR1, val);
+                pxa_ssp_write_reg(ssp, SSCR1, val);
                 break;
         case SNDRV_PCM_TRIGGER_SUSPEND:
-                ssp_disable(ssp);
+                pxa_ssp_disable(ssp);
                 break;
         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-                val = ssp_read_reg(ssp, SSCR1);
+                val = pxa_ssp_read_reg(ssp, SSCR1);
                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                         val &= ~SSCR1_TSRE;
                 else
                         val &= ~SSCR1_RSRE;
-                ssp_write_reg(ssp, SSCR1, val);
+                pxa_ssp_write_reg(ssp, SSCR1, val);
                 break;
 
         default:
@@ -740,7 +739,7 @@ static int pxa_ssp_probe(struct platform_device *pdev,
         if (!priv)
                 return -ENOMEM;
 
-        priv->ssp = ssp_request(dai->id + 1, "SoC audio");
+        priv->ssp = pxa_ssp_request(dai->id + 1, "SoC audio");
         if (priv->ssp == NULL) {
                 ret = -ENODEV;
                 goto err_priv;
@@ -760,7 +759,7 @@ static void pxa_ssp_remove(struct platform_device *pdev,
                               struct snd_soc_dai *dai)
 {
         struct ssp_priv *priv = dai->private_data;
-        ssp_free(priv->ssp);
+        pxa_ssp_free(priv->ssp);
 }
 
 #define PXA_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
index c4cd2acaacb4..1941a357e8c4 100644
--- a/sound/soc/pxa/spitz.c
+++ b/sound/soc/pxa/spitz.c
@@ -322,19 +322,44 @@ static struct snd_soc_card snd_soc_spitz = {
         .num_links = 1,
 };
 
-/* spitz audio private data */
-static struct wm8750_setup_data spitz_wm8750_setup = {
-        .i2c_bus = 0,
-        .i2c_address = 0x1b,
-};
-
 /* spitz audio subsystem */
 static struct snd_soc_device spitz_snd_devdata = {
         .card = &snd_soc_spitz,
         .codec_dev = &soc_codec_dev_wm8750,
-        .codec_data = &spitz_wm8750_setup,
 };
 
+/*
+ * FIXME: This is a temporary bodge to avoid cross-tree merge issues.
+ * New drivers should register the wm8750 I2C device in the machine
+ * setup code (under arch/arm for ARM systems).
+ */
+static int wm8750_i2c_register(void)
+{
+        struct i2c_board_info info;
+        struct i2c_adapter *adapter;
+        struct i2c_client *client;
+
+        memset(&info, 0, sizeof(struct i2c_board_info));
+        info.addr = 0x1b;
+        strlcpy(info.type, "wm8750", I2C_NAME_SIZE);
+
+        adapter = i2c_get_adapter(0);
+        if (!adapter) {
+                printk(KERN_ERR "can't get i2c adapter 0\n");
+                return -ENODEV;
+        }
+
+        client = i2c_new_device(adapter, &info);
+        i2c_put_adapter(adapter);
+        if (!client) {
+                printk(KERN_ERR "can't add i2c device at 0x%x\n",
+                (unsigned int)info.addr);
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
 static struct platform_device *spitz_snd_device;
 
 static int __init spitz_init(void)
@@ -344,6 +369,10 @@ static int __init spitz_init(void)
         if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
                 return -ENODEV;
 
+        ret = wm8750_i2c_setup();
+        if (ret != 0)
+                return ret;
+
         spitz_snd_device = platform_device_alloc("soc-audio", -1);
         if (!spitz_snd_device)
                 return -ENOMEM;
diff --git a/sound/soc/pxa/z2.c b/sound/soc/pxa/z2.c
new file mode 100644
index 000000000000..4e4d2fa8ddc5
--- /dev/null
+++ b/sound/soc/pxa/z2.c
@@ -0,0 +1,246 @@
+/*
+ * linux/sound/soc/pxa/z2.c
+ *
+ * SoC Audio driver for Aeronix Zipit Z2
+ *
+ * Copyright (C) 2009 Ken McGuire <kenm@desertweyr.com>
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <mach/audio.h>
+#include <mach/z2.h>
+
+#include "../codecs/wm8750.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
+
+static struct snd_soc_card snd_soc_z2;
+
+static int z2_hw_params(struct snd_pcm_substream *substream,
+        struct snd_pcm_hw_params *params)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+        struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+        unsigned int clk = 0;
+        int ret = 0;
+
+        switch (params_rate(params)) {
+        case 8000:
+        case 16000:
+        case 48000:
+        case 96000:
+                clk = 12288000;
+                break;
+        case 11025:
+        case 22050:
+        case 44100:
+                clk = 11289600;
+                break;
+        }
+
+        /* set codec DAI configuration */
+        ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+        if (ret < 0)
+                return ret;
+
+        /* set cpu DAI configuration */
+        ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+        if (ret < 0)
+                return ret;
+
+        /* set the codec system clock for DAC and ADC */
+        ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
+                SND_SOC_CLOCK_IN);
+        if (ret < 0)
+                return ret;
+
+        /* set the I2S system clock as input (unused) */
+        ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
+                SND_SOC_CLOCK_IN);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+static struct snd_soc_jack hs_jack;
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin hs_jack_pins[] = {
+        {
+                .pin    = "Mic Jack",
+                .mask   = SND_JACK_MICROPHONE,
+        },
+        {
+                .pin    = "Headphone Jack",
+                .mask   = SND_JACK_HEADPHONE,
+        },
+};
+
+/* Headset jack detection gpios */
+static struct snd_soc_jack_gpio hs_jack_gpios[] = {
+        {
+                .gpio           = GPIO37_ZIPITZ2_HEADSET_DETECT,
+                .name           = "hsdet-gpio",
+                .report         = SND_JACK_HEADSET,
+                .debounce_time  = 200,
+        },
+};
+
+/* z2 machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
+        SND_SOC_DAPM_HP("Headphone Jack", NULL),
+        SND_SOC_DAPM_MIC("Mic Jack", NULL),
+        SND_SOC_DAPM_SPK("Ext Spk", NULL),
+
+        /* headset is a mic and mono headphone */
+        SND_SOC_DAPM_HP("Headset Jack", NULL),
+};
+
+/* Z2 machine audio_map */
+static const struct snd_soc_dapm_route audio_map[] = {
+
+        /* headphone connected to LOUT1, ROUT1 */
+        {"Headphone Jack", NULL, "LOUT1"},
+        {"Headphone Jack", NULL, "ROUT1"},
+
+        /* ext speaker connected to LOUT2, ROUT2  */
+        {"Ext Spk", NULL , "ROUT2"},
+        {"Ext Spk", NULL , "LOUT2"},
+
+        /* mic is connected to R input 2 - with bias */
+        {"RINPUT2", NULL, "Mic Bias"},
+        {"Mic Bias", NULL, "Mic Jack"},
+};
+
+/*
+ * Logic for a wm8750 as connected on a Z2 Device
+ */
+static int z2_wm8750_init(struct snd_soc_codec *codec)
+{
+        int ret;
+
+        /* NC codec pins */
+        snd_soc_dapm_disable_pin(codec, "LINPUT3");
+        snd_soc_dapm_disable_pin(codec, "RINPUT3");
+        snd_soc_dapm_disable_pin(codec, "OUT3");
+        snd_soc_dapm_disable_pin(codec, "MONO");
+
+        /* Add z2 specific widgets */
+        snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
+                                 ARRAY_SIZE(wm8750_dapm_widgets));
+
+        /* Set up z2 specific audio paths */
+        snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+        ret = snd_soc_dapm_sync(codec);
+        if (ret)
+                goto err;
+
+        /* Jack detection API stuff */
+        ret = snd_soc_jack_new(&snd_soc_z2, "Headset Jack", SND_JACK_HEADSET,
+                                &hs_jack);
+        if (ret)
+                goto err;
+
+        ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
+                                hs_jack_pins);
+        if (ret)
+                goto err;
+
+        ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
+                                hs_jack_gpios);
+        if (ret)
+                goto err;
+
+        return 0;
+
+err:
+        return ret;
+}
+
+static struct snd_soc_ops z2_ops = {
+        .hw_params = z2_hw_params,
+};
+
+/* z2 digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link z2_dai = {
+        .name           = "wm8750",
+        .stream_name    = "WM8750",
+        .cpu_dai        = &pxa_i2s_dai,
+        .codec_dai      = &wm8750_dai,
+        .init           = z2_wm8750_init,
+        .ops            = &z2_ops,
+};
+
+/* z2 audio machine driver */
+static struct snd_soc_card snd_soc_z2 = {
+        .name           = "Z2",
+        .platform       = &pxa2xx_soc_platform,
+        .dai_link       = &z2_dai,
+        .num_links      = 1,
+};
+
+/* z2 audio subsystem */
+static struct snd_soc_device z2_snd_devdata = {
+        .card           = &snd_soc_z2,
+        .codec_dev      = &soc_codec_dev_wm8750,
+};
+
+static struct platform_device *z2_snd_device;
+
+static int __init z2_init(void)
+{
+        int ret;
+
+        if (!machine_is_zipit2())
+                return -ENODEV;
+
+        z2_snd_device = platform_device_alloc("soc-audio", -1);
+        if (!z2_snd_device)
+                return -ENOMEM;
+
+        platform_set_drvdata(z2_snd_device, &z2_snd_devdata);
+        z2_snd_devdata.dev = &z2_snd_device->dev;
+        ret = platform_device_add(z2_snd_device);
+
+        if (ret)
+                platform_device_put(z2_snd_device);
+
+        return ret;
+}
+
+static void __exit z2_exit(void)
+{
+        platform_device_unregister(z2_snd_device);
+}
+
+module_init(z2_init);
+module_exit(z2_exit);
+
+MODULE_AUTHOR("Ken McGuire <kenm@desertweyr.com>, "
+                "Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("ALSA SoC ZipitZ2");
+MODULE_LICENSE("GPL");