arm64: dts: rockchip: Add HDMI audio nodes to rk356x

This adds the i2s0 node and an hdmi-sound sound device to the
rk356x device tree. On the rk356[68], the i2s0 controller is
connected to HDMI audio.

Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Link: https://lore.kernel.org/r/20220611065300.885212-2-frattaroli.nicolas@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index cc1c5a65c5e52e793d8d7a4504b92b8d936f1285..319981c3e9f72a12c73a4784c122a24afe1b5263 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -183,6 +183,22 @@
                };
        };
 
+       hdmi_sound: hdmi-sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "HDMI";
+               simple-audio-card,format = "i2s";
+               simple-audio-card,mclk-fs = <256>;
+               status = "disabled";
+
+               simple-audio-card,codec {
+                       sound-dai = <&hdmi>;
+               };
+
+               simple-audio-card,cpu {
+                       sound-dai = <&i2s0_8ch>;
+               };
+       };
+
        pmu {
                compatible = "arm,cortex-a55-pmu";
                interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_HIGH>,
@@ -951,6 +967,23 @@
                status = "disabled";
        };
 
+       i2s0_8ch: i2s@fe400000 {
+               compatible = "rockchip,rk3568-i2s-tdm";
+               reg = <0x0 0xfe400000 0x0 0x1000>;
+               interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+               assigned-clocks = <&cru CLK_I2S0_8CH_TX_SRC>, <&cru CLK_I2S0_8CH_RX_SRC>;
+               assigned-clock-rates = <1188000000>, <1188000000>;
+               clocks = <&cru MCLK_I2S0_8CH_TX>, <&cru MCLK_I2S0_8CH_RX>, <&cru HCLK_I2S0_8CH>;
+               clock-names = "mclk_tx", "mclk_rx", "hclk";
+               dmas = <&dmac1 0>;
+               dma-names = "tx";
+               resets = <&cru SRST_M_I2S0_8CH_TX>, <&cru SRST_M_I2S0_8CH_RX>;
+               reset-names = "tx-m", "rx-m";
+               rockchip,grf = <&grf>;
+               #sound-dai-cells = <0>;
+               status = "disabled";
+       };
+
        i2s1_8ch: i2s@fe410000 {
                compatible = "rockchip,rk3568-i2s-tdm";
                reg = <0x0 0xfe410000 0x0 0x1000>;