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* [PATCH] ARM: dts: omap3-gta04: Add GSM audio support
@ 2015-05-07 19:35 ` Marek Belisko
  0 siblings, 0 replies; 5+ messages in thread
From: Marek Belisko @ 2015-05-07 19:35 UTC (permalink / raw)
  To: bcousson, tony
  Cc: linux-omap, devicetree, linux-arm-kernel, linux-kernel, hns,
	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

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2015-05-20 17:58 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2015-05-07 19:35 [PATCH] ARM: dts: omap3-gta04: Add GSM audio support Marek Belisko
2015-05-07 19:35 ` Marek Belisko
     [not found] ` <1431027305-17627-1-git-send-email-marek-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-05-20 17:58   ` Tony Lindgren
2015-05-20 17:58     ` Tony Lindgren
2015-05-20 17:58     ` Tony Lindgren

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