Add machine driver support for AM43xx-ePOS-EVM and update associated
device tree binding document.
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
---
.../bindings/sound/davinci-evm-audio.txt | 9 +++--
sound/soc/davinci/davinci-evm.c | 41 ++++++++++++++++++++
2 files changed, 47 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/davinci-evm-audio.txt b/Documentation/devicetree/bindings/sound/davinci-evm-audio.txt
index 865178d..356cba1 100644
--- a/Documentation/devicetree/bindings/sound/davinci-evm-audio.txt
+++ b/Documentation/devicetree/bindings/sound/davinci-evm-audio.txt
@@ -2,8 +2,10 @@
Required properties:
- compatible : "ti,da830-evm-audio" : forDM365/DA8xx/OMAPL1x/AM33xx
+ : "ti,am43xx-epos-evm-audio" : for am43xx-epos-evm
- ti,model : The user-visible name of this sound complex.
-- ti,audio-codec : The phandle of the TLV320AIC3x audio codec
+- ti,audio-codec : The phandle of the TLV320AIC3x audio codec,
+ or the TLV320AIC31xx audio codec.
- ti,mcasp-controller : The phandle of the McASP controller
- ti,codec-clock-rate : The Codec Clock rate (in Hz) applied to the Codec
- ti,audio-routing : A list of the connections between audio components.
@@ -14,9 +16,10 @@ Required properties:
Board connectors:
* Headphone Jack
- * Line Out
+ * Line Out - "ti,da830-evm-audio" only
* Mic Jack
- * Line In
+ * Line In - "ti,da830-evm-audio" only
+ * Speaker - "ti,am43xx-epos-evm-audio" only
Example:
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 5e3bc3c..d4d965e 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -128,6 +128,33 @@ static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
return 0;
}
+static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+};
+
+/* Logic for EVMs with an aic31xx */
+static int evm_aic31xx_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct device_node *np = codec->card->dev->of_node;
+ int ret;
+
+ snd_soc_dapm_new_controls(dapm, aic31xx_dapm_widgets,
+ ARRAY_SIZE(aic31xx_dapm_widgets));
+
+ if (np) {
+ ret = snd_soc_of_parse_audio_routing(codec->card,
+ "ti,audio-routing");
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
/* davinci-evm digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link dm6446_evm_dai = {
.name = "TLV320AIC3X",
@@ -326,11 +353,25 @@ static struct snd_soc_dai_link evm_dai_tlv320aic3x = {
SND_SOC_DAIFMT_IB_NF,
};
+static struct snd_soc_dai_link evm_dai_tlv320aic3111 = {
+ .name = "TLV320AIC3111",
+ .stream_name = "AIC3111",
+ .codec_dai_name = "tlv320aic31xx-hifi",
+ .ops = &evm_ops,
+ .init = evm_aic31xx_init,
+ .dai_fmt = (SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_DSP_B |
+ SND_SOC_DAIFMT_IB_NF),
+};
+
static const struct of_device_id davinci_evm_dt_ids[] = {
{
.compatible = "ti,da830-evm-audio",
.data = (void *) &evm_dai_tlv320aic3x,
},
+ {
+ .compatible = "ti,am43xx-epos-evm-audio",
+ .data = &evm_dai_tlv320aic3111,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids);
--
1.7.9.5
--
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