[PATCH v2 7/8] arm64: dts: imx8mm-nitrogen-r2: add audio

From: Adrien Grassein
Date: Wed Feb 17 2021 - 11:14:24 EST


Add audio description and pin muxing.

Signed-off-by: Adrien Grassein <adrien.grassein@xxxxxxxxx>
---
.../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 86 +++++++++++++++++++
1 file changed, 86 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
index bdadc70acac6..6a90ef77b25b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
@@ -28,6 +28,29 @@ reg_wlan_vmmc: regulator-wlan-vmmc {
gpio = <&gpio3 20 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ sound-wm8960 {
+ audio-cpu = <&sai1>;
+ audio-codec = <&wm8960>;
+ audio-routing =
+ "Headphone Jack", "HP_L",
+ "Headphone Jack", "HP_R",
+ "Ext Spk", "SPK_LP",
+ "Ext Spk", "SPK_LN",
+ "Ext Spk", "SPK_RP",
+ "Ext Spk", "SPK_RN",
+ "RINPUT1", "Mic Jack",
+ "Mic Jack", "MICB";
+ codec-master;
+ compatible = "fsl,imx-audio-wm8960";
+ /* JD2: hp detect high for headphone*/
+ hp-det-gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
+ /* Jack is not stuffed */
+ mic-det-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+ model = "wm8960-audio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sound_wm8960>;
+ };
};

&A53_0 {
@@ -211,6 +234,22 @@ rtc@68 {
};
};

+&i2c4 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c4>;
+ status = "okay";
+
+ wm8960: codec@1a {
+ compatible = "wlf,wm8960";
+ reg = <0x1a>;
+ clocks = <&clk IMX8MM_CLK_SAI1_ROOT>;
+ clock-names = "mclk1";
+ wlf,shared-lrclk;
+ #sound-dai-cells = <0>;
+ };
+};
+
&pwm1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm1>;
@@ -238,6 +277,18 @@ &pwm4 {
status = "okay";
};

+&sai1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai1>;
+ status = "okay";
+};
+
+&sai2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai2>;
+ status = "okay";
+};
+
/* BT */
&uart1 {
pinctrl-names = "default";
@@ -406,6 +457,13 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
>;
};

+ pinctrl_i2c4: i2c4grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3
+ MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x400001c3
+ >;
+ };
+
pinctrl_i2c3a_rv4162: i2c3a-rv4162grp {
fsl,pins = <
MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22 0x1c0
@@ -442,6 +500,34 @@ MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x16
>;
};

+ pinctrl_sai1: sai1grp {
+ fsl,pins = <
+ /* wm8960 */
+ MX8MM_IOMUXC_SAI1_MCLK_SAI1_MCLK 0xd6
+ MX8MM_IOMUXC_SAI1_TXFS_SAI1_TX_SYNC 0xd6
+ MX8MM_IOMUXC_SAI1_TXC_SAI1_TX_BCLK 0xd6
+ MX8MM_IOMUXC_SAI1_TXD0_SAI1_TX_DATA0 0xd6
+ MX8MM_IOMUXC_SAI1_RXD0_SAI1_RX_DATA0 0xd6
+ >;
+ };
+
+ pinctrl_sai2: sai2grp {
+ fsl,pins = <
+ /* Bluetooth PCM */
+ MX8MM_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC 0xd6
+ MX8MM_IOMUXC_SAI2_TXC_SAI2_TX_BCLK 0xd6
+ MX8MM_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0 0xd6
+ MX8MM_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0 0xd6
+ >;
+ };
+
+ pinctrl_sound_wm8960: sound-wm8960grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x80
+ MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x80
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
--
2.25.1