ARM: dts: imx25-pdk: Add audio support

mx25pdk has a sgtl5000 codec connected to the I2C1 port.

Add support for it.

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

diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts
index 7a6d21fb6e6efa70059cbbaa8cec82760e99b6e0..71743a3f7d76354499904f04cd056b8f66725f66 100644 (file)
--- a/arch/arm/boot/dts/imx25-pdk.dts
+++ b/arch/arm/boot/dts/imx25-pdk.dts
@@ -34,9 +34,46 @@
                        gpio = <&gpio2 3 0>;
                        enable-active-high;
                };
+
+               reg_2p5v: regulator@1 {
+                       compatible = "regulator-fixed";
+                       reg = <1>;
+                       regulator-name = "2P5V";
+                       regulator-min-microvolt = <2500000>;
+                       regulator-max-microvolt = <2500000>;
+               };
+
+               reg_3p3v: regulator@2 {
+                       compatible = "regulator-fixed";
+                       reg = <2>;
+                       regulator-name = "3P3V";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+               };
+
+       };
+
+       sound {
+               compatible = "fsl,imx25-pdk-sgtl5000",
+                            "fsl,imx-audio-sgtl5000";
+               model = "imx25-pdk-sgtl5000";
+               ssi-controller = <&ssi1>;
+               audio-codec = <&codec>;
+               audio-routing =
+                       "MIC_IN", "Mic Jack",
+                       "Mic Jack", "Mic Bias",
+                       "Headphone Jack", "HP_OUT";
+               mux-int-port = <1>;
+               mux-ext-port = <4>;
        };
 };
 
+&audmux {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_audmux>;
+       status = "okay";
+};
+
 &esdhc1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_esdhc1>;
@@ -54,8 +91,32 @@
        status = "okay";
 };
 
+&i2c1 {
+       clock-frequency = <100000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c1>;
+       status = "okay";
+
+       codec: sgtl5000@0a {
+               compatible = "fsl,sgtl5000";
+               reg = <0x0a>;
+               clocks = <&clks 129>;
+               VDDA-supply = <&reg_2p5v>;
+               VDDIO-supply = <&reg_3p3v>;
+       };
+};
+
 &iomuxc {
        imx25-pdk {
+               pinctrl_audmux: audmuxgrp {
+                       fsl,pins = <
+                               MX25_PAD_RW__AUD4_TXFS                  0xe0
+                               MX25_PAD_OE__AUD4_TXC                   0xe0
+                               MX25_PAD_EB0__AUD4_TXD                  0xe0
+                               MX25_PAD_EB1__AUD4_RXD                  0xe0
+                       >;
+               };
+
                pinctrl_esdhc1: esdhc1grp {
                        fsl,pins = <
                                MX25_PAD_SD1_CMD__SD1_CMD               0x80000000
@@ -85,6 +146,13 @@
                        >;
                };
 
+               pinctrl_i2c1: i2c1grp {
+                       fsl,pins = <
+                               MX25_PAD_I2C1_CLK__I2C1_CLK             0x80000000
+                               MX25_PAD_I2C1_DAT__I2C1_DAT             0x80000000
+                       >;
+               };
+
                pinctrl_uart1: uart1grp {
                        fsl,pins = <
                                MX25_PAD_UART1_RTS__UART1_RTS           0xe0
@@ -101,6 +169,12 @@
        status = "okay";
 };
 
+&ssi1 {
+       codec-handle = <&codec>;
+       fsl,mode = "i2s-slave";
+       status = "okay";
+};
+
 &uart1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart1>;