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>

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 1efe0c587985..f57f5e8d0035 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"