From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Belisko Subject: [PATCH v2 4/4] ARM: dts: omap3-gta04: Add GSM audio support Date: Wed, 6 May 2015 22:38:50 +0200 Message-ID: <1430944730-10480-5-git-send-email-marek@goldelico.com> References: <1430944730-10480-1-git-send-email-marek@goldelico.com> Return-path: In-Reply-To: <1430944730-10480-1-git-send-email-marek@goldelico.com> Sender: linux-kernel-owner@vger.kernel.org To: perex@perex.cz, tiwai@suse.de Cc: broonie@kernel.org, hns@goldelico.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Marek Belisko List-Id: devicetree@vger.kernel.org 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. Used simple audio card to describe audio card. Signed-off-by: Marek Belisko --- 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