[PATCH 3/3] arm64: dts: meson: gxbb-kii-pro: add initial audio support

From: Christian Hewitt
Date: Fri Feb 10 2023 - 07:28:43 EST


Add initial support for HDMI and S/PDIF audio output.

Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
Tested-by: Ferass El Hafidi <vitali64pmemail@xxxxxxxxxxxxxx>
---
.../boot/dts/amlogic/meson-gxbb-kii-pro.dts | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
index 435ae2aa404e..b6ee76011d82 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
@@ -9,11 +9,19 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
+#include <dt-bindings/sound/meson-aiu.h>

/ {
compatible = "videostrong,kii-pro", "amlogic,meson-gxbb";
model = "Videostrong KII Pro";

+ spdif_dit: audio-codec-0 {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dit";
+ status = "okay";
+ sound-name-prefix = "DIT";
+ };
+
leds {
compatible = "gpio-leds";

@@ -35,6 +43,59 @@ button-reset {
gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
};
};
+
+ sound {
+ compatible = "amlogic,gx-sound-card";
+ model = "KII-PRO";
+ assigned-clocks = <&clkc CLKID_MPLL0>,
+ <&clkc CLKID_MPLL1>,
+ <&clkc CLKID_MPLL2>;
+ assigned-clock-parents = <0>, <0>, <0>;
+ assigned-clock-rates = <294912000>,
+ <270950400>,
+ <393216000>;
+ status = "okay";
+
+ dai-link-0 {
+ sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
+ };
+
+ dai-link-1 {
+ sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
+ };
+
+ dai-link-2 {
+ sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
+ dai-format = "i2s";
+ mclk-fs = <256>;
+
+ codec-0 {
+ sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
+ };
+ };
+
+ dai-link-3 {
+ sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
+
+ codec-0 {
+ sound-dai = <&spdif_dit>;
+ };
+ };
+
+ dai-link-4 {
+ sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
+
+ codec-0 {
+ sound-dai = <&hdmi_tx>;
+ };
+ };
+ };
+};
+
+&aiu {
+ status = "okay";
+ pinctrl-0 = <&spdif_out_y_pins>;
+ pinctrl-names = "default";
};

&ethmac {
--
2.34.1