ARM: dts: imx6sl-evk: Add audio support

imx6sl-evk has a wm8962 codec. Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 1899f8549dc2..3216edec46e9 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -43,9 +43,49 @@
                         gpio = <&gpio4 2 0>;
                         enable-active-high;
                 };
+
+                reg_aud3v: regulator@2 {
+                        compatible = "regulator-fixed";
+                        reg = <2>;
+                        regulator-name = "wm8962-supply-3v15";
+                        regulator-min-microvolt = <3150000>;
+                        regulator-max-microvolt = <3150000>;
+                        regulator-boot-on;
+                };
+
+                reg_aud4v: regulator@3 {
+                        compatible = "regulator-fixed";
+                        reg = <3>;
+                        regulator-name = "wm8962-supply-4v2";
+                        regulator-min-microvolt = <4325000>;
+                        regulator-max-microvolt = <4325000>;
+                        regulator-boot-on;
+                };
+        };
+
+        sound {
+                compatible = "fsl,imx6sl-evk-wm8962", "fsl,imx-audio-wm8962";
+                model = "wm8962-audio";
+                ssi-controller = <&ssi2>;
+                audio-codec = <&codec>;
+                audio-routing =
+                        "Headphone Jack", "HPOUTL",
+                        "Headphone Jack", "HPOUTR",
+                        "Ext Spk", "SPKOUTL",
+                        "Ext Spk", "SPKOUTR",
+                        "AMIC", "MICBIAS",
+                        "IN3R", "AMIC";
+                mux-int-port = <2>;
+                mux-ext-port = <3>;
         };
 };
 
+&audmux {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audmux3>;
+        status = "okay";
+};
+
 &ecspi1 {
         fsl,spi-num-chipselects = <1>;
         cs-gpios = <&gpio4 11 0>;
@@ -175,6 +215,27 @@
         };
 };
 
+&i2c2 {
+        clock-frequency = <100000>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_i2c2>;
+        status = "okay";
+
+        codec: wm8962@1a {
+                compatible = "wlf,wm8962";
+                reg = <0x1a>;
+                clocks = <&clks IMX6SL_CLK_EXTERN_AUDIO>;
+                DCVDD-supply = <&vgen3_reg>;
+                DBVDD-supply = <&reg_aud3v>;
+                AVDD-supply = <&vgen3_reg>;
+                CPVDD-supply = <&vgen3_reg>;
+                MICVDD-supply = <&reg_aud3v>;
+                PLLVDD-supply = <&vgen3_reg>;
+                SPKVDD1-supply = <&reg_aud4v>;
+                SPKVDD2-supply = <&reg_aud4v>;
+        };
+};
+
 &iomuxc {
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_hog>;
@@ -189,6 +250,16 @@
                                 MX6SL_PAD_REF_CLK_32K__GPIO3_IO22 0x17059
                                 MX6SL_PAD_KEY_COL4__GPIO4_IO00  0x80000000
                                 MX6SL_PAD_KEY_COL5__GPIO4_IO02  0x80000000
+                                MX6SL_PAD_AUD_MCLK__AUDIO_CLK_OUT 0x4130b0
+                        >;
+                };
+
+                pinctrl_audmux3: audmux3grp {
+                        fsl,pins = <
+                                MX6SL_PAD_AUD_RXD__AUD3_RXD       0x4130b0
+                                MX6SL_PAD_AUD_TXC__AUD3_TXC       0x4130b0
+                                MX6SL_PAD_AUD_TXD__AUD3_TXD       0x4110b0
+                                MX6SL_PAD_AUD_TXFS__AUD3_TXFS     0x4130b0
                         >;
                 };
 
@@ -221,6 +292,14 @@
                         >;
                 };
 
+
+                pinctrl_i2c2: i2c2grp {
+                        fsl,pins = <
+                                MX6SL_PAD_I2C2_SCL__I2C2_SCL    0x4001b8b1
+                                MX6SL_PAD_I2C2_SDA__I2C2_SDA    0x4001b8b1
+                        >;
+                };
+
                 pinctrl_kpp: kppgrp {
                         fsl,pins = <
                                 MX6SL_PAD_KEY_ROW0__KEY_ROW0    0x1b010
@@ -374,6 +453,11 @@
         status = "okay";
 };
 
+&ssi2 {
+        fsl,mode = "i2s-slave";
+        status = "okay";
+};
+
 &uart1 {
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_uart1>;