lkml.org 
[lkml]   [2015]   [May]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] ARM: dts: omap3-gta04: Add GSM audio support
Date
Add voice audio card which is used for telephony on gta04 board.
gtm601 codec is UMTS modem with pcm interface which get samples from
microphone and provide data from other party side. Use simple audio card
to describe audio card.

Signed-off-by: Marek Belisko <marek@goldelico.com>
---
arch/arm/boot/dts/omap3-gta04.dtsi | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index b9f6881..a3a4156 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -48,6 +48,28 @@
ti,mcbsp = <&mcbsp2>;
};

+ /* GSM audio */
+ sound_telephony {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "GTA04 voice";
+ simple-audio-card,bitclock-master = <&telephony_link_master>;
+ simple-audio-card,frame-master = <&telephony_link_master>;
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,cpu {
+ sound-dai = <&mcbsp4>;
+ };
+
+ telephony_link_master: simple-audio-card,codec {
+ sound-dai = <&gtm601_codec>;
+ };
+ };
+
+ gtm601_codec: gsm_codec {
+ compatible = "option,gtm601";
+ #sound-dai-cells = <0>;
+ };
+
spi_lcd {
compatible = "spi-gpio";
#address-cells = <0x1>;
@@ -517,3 +539,7 @@
&mcbsp2 {
status = "okay";
};
+
+&mcbsp4 {
+ status = "okay";
+};
--
1.9.1


\
 
 \ /
  Last update: 2015-05-07 21:41    [W:1.594 / U:0.000 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site