arm64: dts: meson: p230-q200: add initial audio playback support

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@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20200421163935.775935-4-jbrunet@baylibre.com

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 d853981..acb05a7 100644 (file)
--- 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 @@
                        };
                };
        };
+
+       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 {