ARM: dts: imx7s-warp: Add audio support

warp7 has a sgtl5000 audio codec.

Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index ae23781034fd06770bdd42e010fc4c2bedf8531a..f819003f2d4a86ee134a6f43ac2f5846d090f957 100644 (file)
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -53,6 +53,27 @@
        memory {
                reg = <0x80000000 0x20000000>;
        };
+
+       sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "imx7-sgtl5000";
+               simple-audio-card,format = "i2s";
+               simple-audio-card,bitclock-master = <&dailink_master>;
+               simple-audio-card,frame-master = <&dailink_master>;
+               simple-audio-card,cpu {
+                       sound-dai = <&sai1>;
+               };
+
+               dailink_master: simple-audio-card,codec {
+                       sound-dai = <&codec>;
+                       clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+               };
+       };
+};
+
+&clks {
+       assigned-clocks = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
+       assigned-clock-rates = <884736000>;
 };
 
 &cpu0 {
@@ -161,12 +182,32 @@
        pinctrl-0 = <&pinctrl_i2c4>;
        status = "okay";
 
+       codec: sgtl5000@0a {
+               #sound-dai-cells = <0>;
+               reg = <0x0a>;
+               compatible = "fsl,sgtl5000";
+               clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+               VDDA-supply = <&vgen4_reg>;
+               VDDIO-supply = <&vgen4_reg>;
+               VDDD-supply = <&vgen2_reg>;
+       };
+
        mpl3115@60 {
                compatible = "fsl,mpl3115";
                reg = <0x60>;
        };
 };
 
+&sai1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_sai1>;
+       assigned-clocks = <&clks IMX7D_SAI1_ROOT_SRC>,
+                         <&clks IMX7D_SAI1_ROOT_CLK>;
+       assigned-clock-parents = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
+       assigned-clock-rates = <0>, <36864000>;
+       status = "okay";
+};
+
 &uart1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart1>;
@@ -208,6 +249,16 @@
                >;
        };
 
+       pinctrl_sai1: sai1grp {
+               fsl,pins = <
+                       MX7D_PAD_SAI1_RX_DATA__SAI1_RX_DATA0    0x1f
+                       MX7D_PAD_SAI1_TX_BCLK__SAI1_TX_BCLK     0x1f
+                       MX7D_PAD_SAI1_TX_SYNC__SAI1_TX_SYNC     0x1f
+                       MX7D_PAD_SAI1_TX_DATA__SAI1_TX_DATA0    0x30
+                       MX7D_PAD_SAI1_MCLK__SAI1_MCLK           0x1f
+               >;
+       };
+
        pinctrl_uart1: uart1grp {
                fsl,pins = <
                        MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX    0x79