[PATCH] ARM: dts: omap3-gta04: Add GSM audio support

[PATCH] ARM: dts: omap3-gta04: Add GSM audio support

[Marek Belisko]

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

Re: [PATCH] ARM: dts: omap3-gta04: Add GSM audio support

[Tony Lindgren]

* Marek Belisko <marek-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org> [150507 12:36]:
> 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-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>

Applying into omap-for-v4.2/dt thanks.

Tony

> ---
>  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";
> +};
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