arm/dts: omap4-panda: Audio support for PandaBoard 4430

PandaBoard uses twl6040 connected via McPDM for audio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap4-panda.dts b/arch/arm/boot/dts/omap4-panda.dts
index 1efe0c5..f57f5e8 100644 (file)
--- 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"