[PATCH 3/6] arm64: dts: meson: p230-q200: add initial audio playback support

From: Jerome Brunet
Date: Tue Apr 21 2020 - 12:39:49 EST


Add basic audio support on the p230/q200 reference design.
This initial support is limited to HDMI i2s and SPDIF (LPCM).

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
.../boot/dts/amlogic/meson-gx-p23x-q20x.dtsi | 63 +++++++++++++++++++
1 file changed, 63 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
index 12d5e333e5f2..99c1f7f9d37e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
@@ -8,12 +8,21 @@
* the pin-compatible S912 (GXM) or S905D (GXL) SoCs.
*/

+#include <dt-bindings/sound/meson-aiu.h>
+
/ {
aliases {
serial0 = &uart_AO;
ethernet0 = &ethmac;
};

+ spdif_dit: audio-codec-0 {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dit";
+ status = "okay";
+ sound-name-prefix = "DIT";
+ };
+
chosen {
stdout-path = "serial0:115200n8";
};
@@ -102,6 +111,60 @@ hdmi_connector_in: endpoint {
};
};
};
+
+ sound {
+ compatible = "amlogic,gx-sound-card";
+ model = "GX-P230-Q200";
+ 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 {
--
2.25.2