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authorFabio Estevam <fabio.estevam@freescale.com>2014-02-06 14:57:51 +0400
committerShawn Guo <shawn.guo@linaro.org>2014-02-10 12:27:44 +0400
commit032de438cf659cf105c59c8d013b85aaf11a727c (patch)
tree6a63af2ead858439d46225ae086235537a5095f1
parent56df2680c062466686e52ba1bf559ead7006ce7e (diff)
downloadlinux-032de438cf659cf105c59c8d013b85aaf11a727c.tar.xz
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>
-rw-r--r--arch/arm/boot/dts/imx6sl-evk.dts84
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>;