Messages in this thread Patch in this message | | | From | Marek Belisko <> | Subject | [PATCH] ARM: dts: omap3-gta04: Add GSM audio support | Date | Thu, 7 May 2015 21:35:05 +0200 |
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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 = <>m601_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
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