From f6ae941e710f4228bc13d3aefe0fbefb4012ab71 Mon Sep 17 00:00:00 2001 From: Marek Belisko Date: Thu, 7 May 2015 21:35:05 +0200 Subject: [PATCH] ARM: dts: omap3-gta04: Add GSM audio support 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 Signed-off-by: Tony Lindgren --- 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 6ea1257464e7..7166d8876ea8 100644 --- a/arch/arm/boot/dts/omap3-gta04.dtsi +++ b/arch/arm/boot/dts/omap3-gta04.dtsi @@ -48,6 +48,28 @@ sound { 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 = <>m601_codec>; + }; + }; + + gtm601_codec: gsm_codec { + compatible = "option,gtm601"; + #sound-dai-cells = <0>; + }; + spi_lcd { compatible = "spi-gpio"; #address-cells = <0x1>; @@ -528,3 +550,7 @@ &hdqw1w { pinctrl-names = "default"; pinctrl-0 = <&hdq_pins>; }; + +&mcbsp4 { + status = "okay"; +};