Add initial support is limited to HDMI i2s and SPDIF (LPCM).
Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
---
.../boot/dts/amlogic/meson-gxm-nexbox-a1.dts | 80 +++++++++++++++++++
1 file changed, 80 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
index 83eca3af44ce..faca6fafc164 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
@@ -10,6 +10,7 @@
/dts-v1/;
#include "meson-gxm.dtsi"
+#include <dt-bindings/sound/meson-aiu.h>
/ {
compatible = "nexbox,a1", "amlogic,s912", "amlogic,meson-gxm";
@@ -24,11 +25,37 @@
stdout-path = "serial0:115200n8";
};
+ spdif_dit: audio-codec-0 {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dit";
+ status = "okay";
+ sound-name-prefix = "DIT";
+ };
+
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x80000000>;
};
+ vddio_ao18: regulator-vddio_ao18 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_AO18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ hdmi_5v: regulator-hdmi-5v {
+ compatible = "regulator-fixed";
+
+ regulator-name = "HDMI_5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+
+ gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
vddio_boot: regulator-vddio-boot {
compatible = "regulator-fixed";
regulator-name = "VDDIO_BOOT";
@@ -75,6 +102,59 @@
};
};
};
+
+ sound {
+ compatible = "amlogic,gx-sound-card";
+ model = "GXM-NEXBOX-A1";
+ 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_h_pins>;
+ pinctrl-names = "default";
};
&cec_AO {
--
2.17.1
