Merge branch 'twl4030-mfd' into for-2.6.33

9 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 87e69658be6f..08e535d92c06 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -415,6 +415,7 @@ static struct twl4030_codec_audio_data sdp3430_audio = {
 };
 
 static struct twl4030_codec_data sdp3430_codec = {
+	.audio_mclk = 26000000,
 	.audio = &sdp3430_audio,
 };
 
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 2161d855fc9f..8f0c106a449d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -259,6 +259,7 @@ static struct twl4030_codec_audio_data beagle_audio_data = {
 };
 
 static struct twl4030_codec_data beagle_codec_data = {
+	.audio_mclk = 26000000,
 	.audio = &beagle_audio_data,
 };
 
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index c0d97364dbd4..25ca5f6a0d3d 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -199,6 +199,7 @@ static struct twl4030_codec_audio_data omap3evm_audio_data = {
 };
 
 static struct twl4030_codec_data omap3evm_codec_data = {
+	.audio_mclk = 26000000,
 	.audio = &omap3evm_audio_data,
 };
 
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 74f757408639..ed97b54e1fa5 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -286,6 +286,7 @@ static struct twl4030_codec_audio_data omap3pandora_audio_data = {
 };
 
 static struct twl4030_codec_data omap3pandora_codec_data = {
+	.audio_mclk = 26000000,
 	.audio = &omap3pandora_audio_data,
 };
 
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index dc550089755f..e1fb50451e19 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -334,6 +334,7 @@ static struct twl4030_codec_audio_data overo_audio_data = {
 };
 
 static struct twl4030_codec_data overo_codec_data = {
+	.audio_mclk = 26000000,
 	.audio = &overo_audio_data,
 };
 
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index e04a4f06ed9a..5fcb20f41a68 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -236,6 +236,7 @@ static struct twl4030_codec_audio_data zoom2_audio_data = {
 };
 
 static struct twl4030_codec_data zoom2_codec_data = {
+	.audio_mclk = 26000000,
 	.audio = &zoom2_audio_data,
 };
 
diff --git a/drivers/mfd/twl4030-codec.c b/drivers/mfd/twl4030-codec.c
index 97103078dc2a..77b914907d7c 100644
--- a/drivers/mfd/twl4030-codec.c
+++ b/drivers/mfd/twl4030-codec.c
@@ -41,6 +41,7 @@ struct twl4030_codec_resource {
 };
 
 struct twl4030_codec {
+	unsigned int audio_mclk;
 	struct mutex mutex;
 	struct twl4030_codec_resource resource[TWL4030_CODEC_RES_MAX];
 	struct mfd_cell cells[TWL4030_CODEC_CELLS];
@@ -145,12 +146,45 @@ int twl4030_codec_disable_resource(unsigned id)
 }
 EXPORT_SYMBOL_GPL(twl4030_codec_disable_resource);
 
+unsigned int twl4030_codec_get_mclk(void)
+{
+	struct twl4030_codec *codec = platform_get_drvdata(twl4030_codec_dev);
+
+	return codec->audio_mclk;
+}
+EXPORT_SYMBOL_GPL(twl4030_codec_get_mclk);
+
 static int __devinit twl4030_codec_probe(struct platform_device *pdev)
 {
 	struct twl4030_codec *codec;
 	struct twl4030_codec_data *pdata = pdev->dev.platform_data;
 	struct mfd_cell *cell = NULL;
 	int ret, childs = 0;
+	u8 val;
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "Platform data is missing\n");
+		return -EINVAL;
+	}
+
+	/* Configure APLL_INFREQ and disable APLL if enabled */
+	val = 0;
+	switch (pdata->audio_mclk) {
+	case 19200000:
+		val |= TWL4030_APLL_INFREQ_19200KHZ;
+		break;
+	case 26000000:
+		val |= TWL4030_APLL_INFREQ_26000KHZ;
+		break;
+	case 38400000:
+		val |= TWL4030_APLL_INFREQ_38400KHZ;
+		break;
+	default:
+		dev_err(&pdev->dev, "Invalid audio_mclk\n");
+		return -EINVAL;
+	}
+	twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+					val, TWL4030_REG_APLL_CTL);
 
 	codec = kzalloc(sizeof(struct twl4030_codec), GFP_KERNEL);
 	if (!codec)
@@ -160,6 +194,7 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev)
 
 	twl4030_codec_dev = pdev;
 	mutex_init(&codec->mutex);
+	codec->audio_mclk = pdata->audio_mclk;
 
 	/* Codec power */
 	codec->resource[TWL4030_CODEC_RES_POWER].reg = TWL4030_REG_CODEC_MODE;
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
index ba61add3e05a..5306a759cbde 100644
--- a/include/linux/i2c/twl4030.h
+++ b/include/linux/i2c/twl4030.h
@@ -414,6 +414,7 @@ struct twl4030_codec_vibra_data {
 };
 
 struct twl4030_codec_data {
+	unsigned int	audio_mclk;
 	struct twl4030_codec_audio_data		*audio;
 	struct twl4030_codec_vibra_data		*vibra;
 };
diff --git a/include/linux/mfd/twl4030-codec.h b/include/linux/mfd/twl4030-codec.h
index ef0a3041d759..2ec317c68e59 100644
--- a/include/linux/mfd/twl4030-codec.h
+++ b/include/linux/mfd/twl4030-codec.h
@@ -267,5 +267,6 @@ enum twl4030_codec_res {
 
 int twl4030_codec_disable_resource(enum twl4030_codec_res id);
 int twl4030_codec_enable_resource(enum twl4030_codec_res id);
+unsigned int twl4030_codec_get_mclk(void);
 
 #endif	/* End of __TWL4030_CODEC_H__ */