[PATCH v1 4/5] arm64: dts: imx8-apalis: Add nau8822 audio-codec to apalis eval v1.2

Francesco Dolcini
2024-08-26T22:18:50Z

From: Hiago De Franco <hiago.franco@toradex.com>

Add support for audio-codec NAU88C22 present on the Apalis Evaluation
Board v1.2 carrier board.

Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
.../dts/freescale/imx8-apalis-eval-v1.2.dtsi | 69 +++++++++++++++++++
1 file changed, 69 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-eval-v1.2.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-eval-v1.2.dtsi
index f5c6a0164f36..5862b24fb764 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-eval-v1.2.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-eval-v1.2.dtsi
@@ -51,6 +51,40 @@ reg_can2: regulator-can2 {
regulator-name = "5V_SW_CAN2";
startup-delay-us = <10000>;
};
+
+ sound-carrier {
+ 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,name = "apalis-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 {
+ sound-dai = <&nau8822_1a>;
+ system-clock-frequency = <12288000>;
+ };
+
+ simple-audio-card,cpu {
+ sound-dai = <&sai0>;
+ };
+ };
};

/* Apalis CAN1 */
@@ -69,6 +103,13 @@ &flexcan2 {
&i2c2 {
status = "okay";

+ /* Audio Codec */
+ nau8822_1a: audio-codec@1a {
+ compatible = "nuvoton,nau8822";
+ reg = <0x1a>;
+ #sound-dai-cells = <0>;
+ };
+
/* Power/Current Measurement Sensor */
hwmon@40 {
compatible = "ti,ina219";
@@ -87,6 +128,18 @@ eeprom@57 {
};
};

+&sai0 {
+ assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+ <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+ <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+ <&sai0_lpcg IMX_LPCG_CLK_0>;
+ assigned-clock-rates = <786432000>, <49152000>, <12288000>, <49152000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai0>;
+ #sound-dai-cells = <0>;
+ status = "okay";
+};
+
/* Apalis MMC1 */
&usdhc2 {
pinctrl-0 = <&pinctrl_usdhc2_4bit>, <&pinctrl_mmc1_cd>;
@@ -105,6 +158,15 @@ &usdhc3 {
};

&iomuxc {
+ pinctrl-0 = <&pinctrl_cam1_gpios>,
+ <&pinctrl_esai0_gpios>, <&pinctrl_fec2_gpios>,
+ <&pinctrl_gpio3>, <&pinctrl_gpio4>, <&pinctrl_gpio_keys>,
+ <&pinctrl_gpio_usbh_oc_n>, <&pinctrl_lpuart1ctrl>,
+ <&pinctrl_lvds0_i2c0_gpio>, <&pinctrl_lvds1_i2c0_gpios>,
+ <&pinctrl_mipi_dsi_0_1_en>, <&pinctrl_mipi_dsi1_gpios>,
+ <&pinctrl_mlb_gpios>, <&pinctrl_qspi1a_gpios>,
+ <&pinctrl_sata1_act>, <&pinctrl_sim0_gpios>,
+ <&pinctrl_usdhc1_gpios>;

pinctrl_enable_3v3_mmc: enable3v3mmcgrp {
fsl,pins = <IMX8QM_USDHC1_DATA4_LSIO_GPIO5_IO19 0x00000021>; /* MXM3_148 */
@@ -121,4 +183,11 @@ pinctrl_enable_can1_power: enablecan1powergrp {
pinctrl_enable_can2_power: enablecan2powergrp {
fsl,pins = <IMX8QM_USDHC1_DATA6_LSIO_GPIO5_IO21 0x00000021>; /* MXM3_156 */
};
+
+ pinctrl_sai0: sai0grp {
+ fsl,pins = <IMX8QM_SAI1_RXC_AUD_SAI0_TXD 0xc600006c>, /* MXM3_196 */
+ <IMX8QM_SPI0_CS1_AUD_SAI0_TXC 0xc600004c>, /* MXM3_200 */
+ <IMX8QM_SAI1_RXFS_AUD_SAI0_RXD 0xc600004c>, /* MXM3_202 */
+ <IMX8QM_SPI2_CS1_AUD_SAI0_TXFS 0xc600004c>; /* MXM3_204 */
+ };
};
--
2.39.2