linux-kernel - [PATCH 6/7] arm/dts: omap4-panda: Audio support for PandaBoard 4430

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Date:	Fri,  8 Jun 2012 17:02:04 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Russell King <linux@....linux.org.uk>,
	Benoit Cousson <b-cousson@...com>,
	Tony Lindgren <tony@...mide.com>,
	Grant Likely <grant.likely@...retlab.ca>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, linux-omap@...r.kernel.org,
	Rajendra Nayak <rnayak@...com>, Liam Girdwood <lrg@...com>
Subject: [PATCH 6/7] arm/dts: omap4-panda: Audio support for PandaBoard 4430

PandaBoard uses twl6040 connected via McPDM for audio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 arch/arm/boot/dts/omap4-panda.dts |   37 +++++++++++++++++++++++++++++++++++++
 1 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/omap4-panda.dts b/arch/arm/boot/dts/omap4-panda.dts
index 1efe0c5..f57f5e8 100644
--- a/arch/arm/boot/dts/omap4-panda.dts
+++ b/arch/arm/boot/dts/omap4-panda.dts
@@ -32,6 +32,30 @@
 			linux,default-trigger = "mmc0";
 		};
 	};
+
+	sound: sound {
+		compatible = "ti,abe-twl6040";
+		ti,model = "PandaBoard";
+
+		ti,mclk-freq = <38400000>;
+
+		ti,mcpdm = <&mcpdm>;
+
+		ti,twl6040 = <&twl6040>;
+
+		/* Audio routing */
+		ti,audio-routing =
+			"Headset Stereophone", "HSOL",
+			"Headset Stereophone", "HSOR",
+			"Ext Spk", "HFL",
+			"Ext Spk", "HFR",
+			"Line Out", "AUXL",
+			"Line Out", "AUXR",
+			"HSMIC", "Headset Mic",
+			"Headset Mic", "Headset Mic Bias",
+			"AFML", "Line In",
+			"AFMR", "Line In";
+	};
 };
 
 &i2c1 {
@@ -43,6 +67,19 @@
 		interrupts = <0 7 4>; /* IRQ_SYS_1N cascaded to gic */
 		interrupt-parent = <&gic>;
 	};
+
+	twl6040: twl@4b {
+		compatible = "ti,twl6040";
+		reg = <0x4b>;
+		/* SPI = 0, IRQ# = 119, 4 = active high level-sensitive */
+		interrupts = <0 119 4>; /* IRQ_SYS_2N cascaded to gic */
+		interrupt-parent = <&gic>;
+		ti,audpwron-gpio = <&gpio4 31 0>;  /* gpio line 127 */
+
+		vio-supply = <&v1v8>;
+		v2v1-supply = <&v2v1>;
+		enable-active-high;
+	};
 };
 
 /include/ "twl6030.dtsi"
-- 
1.7.8.6

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