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>

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 1899f85..3216ede 100644 (file)
--- 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>;