[PATCH v2 13/20] ARM: DTS: am437x-gp-evm: Enable analog audio via simple-card

From: Peter Ujfalusi
Date: Thu Jul 02 2015 - 10:10:23 EST


The board uses McASP1 <-> tlv320aic3106 for analog audio and has
Headphone out and Line in connectors.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 98fcf6f17961..8e6ada75c428 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -113,6 +113,32 @@
clock-frequency = <12000000>;
};

+ sound0: sound@0 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "AM437x-GP-EVM";
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Line", "Line In";
+ simple-audio-card,routing =
+ "Headphone Jack", "HPLOUT",
+ "Headphone Jack", "HPROUT",
+ "LINE1L", "Line In",
+ "LINE1R", "Line In";
+ simple-audio-card,format = "dsp_b";
+ simple-audio-card,bitclock-master = <&sound0_master>;
+ simple-audio-card,frame-master = <&sound0_master>;
+ simple-audio-card,bitclock-inversion;
+
+ simple-audio-card,cpu {
+ sound-dai = <&mcasp1>;
+ system-clock-frequency = <12000000>;
+ };
+
+ sound0_master: simple-audio-card,codec {
+ sound-dai = <&tlv320aic3106>;
+ system-clock-frequency = <12000000>;
+ };
+ };
};

&am43xx_pinmux {
@@ -530,6 +556,7 @@
};

tlv320aic3106: tlv320aic3106@1b {
+ #sound-dai-cells = <0>;
compatible = "ti,tlv320aic3106";
reg = <0x1b>;
status = "okay";
@@ -825,6 +852,7 @@
};

&mcasp1 {
+ #sound-dai-cells = <0>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mcasp1_pins>;
pinctrl-1 = <&mcasp1_sleep_pins>;
--
2.4.5

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