arm64: dts: freescale: verdin-imx8mp: dev: add sound card

Add NAU8822 based analog sound card to Development carrier board.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi
index bdfdd4c..a509b2b 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi
@@ -4,8 +4,6 @@
  */
 
 / {
-       /* TODO: Audio Codec */
-
        reg_eth2phy: regulator-eth2phy {
                compatible = "regulator-fixed";
                enable-active-high;
@@ -17,6 +15,41 @@
                startup-delay-us = <200000>;
                vin-supply = <&reg_3p3v>;
        };
+
+       sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,bitclock-master = <&codec_dai>;
+               simple-audio-card,format = "i2s";
+               simple-audio-card,frame-master = <&codec_dai>;
+               simple-audio-card,mclk-fs = <256>;
+               simple-audio-card,name = "imx8mp-nau8822";
+               simple-audio-card,routing =
+                       "Headphones", "LHP",
+                       "Headphones", "RHP",
+                       "Speaker", "LSPK",
+                       "Speaker", "RSPK",
+                       "Line Out", "AUXOUT1",
+                       "Line Out", "AUXOUT2",
+                       "LAUX", "Line In",
+                       "RAUX", "Line In",
+                       "LMICP", "Mic In",
+                       "RMICP", "Mic In";
+               simple-audio-card,widgets =
+                       "Headphones", "Headphones",
+                       "Line Out", "Line Out",
+                       "Speaker", "Speaker",
+                       "Microphone", "Mic In",
+                       "Line", "Line In";
+
+               codec_dai: simple-audio-card,codec {
+                       clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1>;
+                       sound-dai = <&nau8822_1a>;
+               };
+
+               simple-audio-card,cpu {
+                       sound-dai = <&sai1>;
+               };
+       };
 };
 
 &backlight {
@@ -88,7 +121,14 @@
 &i2c4 {
        status = "okay";
 
-       /* TODO: Audio Codec */
+       /* Audio Codec */
+       nau8822_1a: audio-codec@1a {
+               compatible = "nuvoton,nau8822";
+               reg = <0x1a>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_sai1>;
+               #sound-dai-cells = <0>;
+       };
 };
 
 /* Verdin PCIE_1 */
@@ -119,7 +159,14 @@
        vin-supply = <&reg_3p3v>;
 };
 
-/* TODO: Verdin I2C_1 with Audio Codec */
+/* Verdin I2S_1 */
+&sai1 {
+       assigned-clocks = <&clk IMX8MP_CLK_SAI1>;
+       assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
+       assigned-clock-rates = <24576000>;
+       fsl,sai-mclk-direction-output;
+       status = "okay";
+};
 
 /* Verdin UART_1, connector X50 through RS485 transceiver */
 &uart1 {