[PATCH v1 04/10] arm64: dts: colibri-imx8x: Add sound card

From: Francesco Dolcini
Date: Mon Aug 26 2024 - 17:59:58 EST


From: João Paulo Gonçalves <joao.goncalves@xxxxxxxxxxx>

Add audio support for Colibri-iMX8X sound card.

Signed-off-by: João Paulo Gonçalves <joao.goncalves@xxxxxxxxxxx>
Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
---
.../boot/dts/freescale/imx8x-colibri.dtsi | 47 ++++++++++++++++++-
1 file changed, 46 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
index aa9c45c290b9..1d22002103c4 100644
--- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
@@ -38,6 +38,13 @@ reg_module_3v3: regulator-module-3v3 {
regulator-max-microvolt = <3300000>;
};

+ reg_module_3v3_avdd: regulator-module-3v3-avdd {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "+V3.3_AVDD_AUDIO";
+ };
+
reg_module_vref_1v8: regulator-module-vref-1v8 {
compatible = "regulator-fixed";
regulator-max-microvolt = <1800000>;
@@ -55,6 +62,23 @@ reg_usbh_vbus: regulator-usbh-vbus {
regulator-min-microvolt = <5000000>;
regulator-name = "usbh_vbus";
};
+
+ sound-card {
+ compatible = "simple-audio-card";
+ simple-audio-card,bitclock-master = <&dailink_master>;
+ simple-audio-card,format = "i2s";
+ simple-audio-card,frame-master = <&dailink_master>;
+ simple-audio-card,name = "colibri-imx8x";
+
+ dailink_master: simple-audio-card,codec {
+ clocks = <&mclkout0_lpcg IMX_LPCG_CLK_0>;
+ sound-dai = <&sgtl5000_a>;
+ };
+
+ simple-audio-card,cpu {
+ sound-dai = <&sai0>;
+ };
+ };
};

/* Colibri Analogue Inputs */
@@ -109,6 +133,21 @@ touchscreen@2c {
status = "disabled";
};

+ sgtl5000_a: audio-codec@a {
+ compatible = "fsl,sgtl5000";
+ reg = <0xa>;
+ #sound-dai-cells = <0>;
+ 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>,
+ <&mclkout0_lpcg IMX_LPCG_CLK_0>;
+ assigned-clock-rates = <786432000>, <49152000>, <12000000>, <12000000>;
+ clocks = <&mclkout0_lpcg IMX_LPCG_CLK_0>;
+ VDDA-supply = <&reg_module_3v3_avdd>;
+ VDDD-supply = <&reg_module_vref_1v8>;
+ VDDIO-supply = <&reg_module_3v3>;
+ };
+
gpio_expander_43: gpio@43 {
compatible = "fcs,fxl6408";
reg = <0x43>;
@@ -373,7 +412,13 @@ &lsio_pwm2 {

/* TODO on-module PCIe for Wi-Fi */

-/* TODO On-module i2s / Audio */
+/* On-module I2S */
+&sai0 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai0>;
+ status = "okay";
+};

&usbotg1 {
adp-disable;
--
2.39.2