ARM: dt: tegra cardhu: basic audio support

Add WM8903 codec nodes, and top-level sound complex node for basic
analog audio over headset jack and internal speakers.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/boot/dts/tegra-cardhu.dts b/arch/arm/boot/dts/tegra-cardhu.dts
index 0a9f34a..ab8d901 100644 (file)
--- a/arch/arm/boot/dts/tegra-cardhu.dts
+++ b/arch/arm/boot/dts/tegra-cardhu.dts
@@ -51,6 +51,15 @@
                                nvidia,pull = <2>;
                                nvidia,tristate = <0>;
                        };
+                       dap2_fs_pa2 {
+                               nvidia,pins =   "dap2_fs_pa2",
+                                               "dap2_sclk_pa3",
+                                               "dap2_din_pa4",
+                                               "dap2_dout_pa5";
+                               nvidia,function = "i2s1";
+                               nvidia,pull = <0>;
+                               nvidia,tristate = <0>;
+                       };
                };
        };
 
@@ -92,6 +101,20 @@
 
        i2c@7000d000 {
                clock-frequency = <100000>;
+
+               wm8903: wm8903@1a {
+                       compatible = "wlf,wm8903";
+                       reg = <0x1a>;
+                       interrupt-parent = <&gpio>;
+                       interrupts = <179 0x04>; /* gpio PW3 */
+
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       micdet-cfg = <0>;
+                       micdet-delay = <100>;
+                       gpio-cfg = <0xffffffff 0xffffffff 0 0xffffffff 0xffffffff>;
+               };
        };
 
        sdhci@78000000 {
@@ -111,4 +134,44 @@
        sdhci@78000400 {
                support-8bit;
        };
+
+       ahub@70080000 {
+               i2s@70080300 {
+                       status = "disable";
+               };
+
+               i2s@70080500 {
+                       status = "disable";
+               };
+
+               i2s@70080600 {
+                       status = "disable";
+               };
+
+               i2s@70080700 {
+                       status = "disable";
+               };
+       };
+
+       sound {
+               compatible = "nvidia,tegra-audio-wm8903-cardhu",
+                            "nvidia,tegra-audio-wm8903";
+               nvidia,model = "NVIDIA Tegra Cardhu";
+
+               nvidia,audio-routing =
+                       "Headphone Jack", "HPOUTR",
+                       "Headphone Jack", "HPOUTL",
+                       "Int Spk", "ROP",
+                       "Int Spk", "RON",
+                       "Int Spk", "LOP",
+                       "Int Spk", "LON",
+                       "Mic Jack", "MICBIAS",
+                       "IN1L", "Mic Jack";
+
+               nvidia,i2s-controller = <&tegra_i2s1>;
+               nvidia,audio-codec = <&wm8903>;
+
+               nvidia,spkr-en-gpios = <&wm8903 2 0>;
+               nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+       };
 };