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

From: Tony Lindgren
Date: Wed May 20 2015 - 13:58:34 EST


* Marek Belisko <marek@xxxxxxxxxxxxx> [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@xxxxxxxxxxxxx>

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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