ARM: dts: sun8i: r40: Add I2S nodes

Allwinner R40 has 3 I2S controllers, compatible to those in H3. First
two are routed to pins, while third is used internally for HDMI audio.

Add nodes for all 3 I2S controllers.
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210912072914.398419-3-jernej.skrabec@gmail.com

arch/arm/boot/dts/sun8i-r40.dtsi

@@ -736,6 +736,45 @@ ir1: ir@1c21c00 {
 			status = "disabled";
 		};
 
+		i2s0: i2s@1c22000 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun8i-r40-i2s",
+				     "allwinner,sun8i-h3-i2s";
+			reg = <0x01c22000 0x400>;
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2S0>, <&ccu CLK_I2S0>;
+			clock-names = "apb", "mod";
+			resets = <&ccu RST_BUS_I2S0>;
+			dmas = <&dma 3>, <&dma 3>;
+			dma-names = "rx", "tx";
+		};
+
+		i2s1: i2s@1c22400 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun8i-r40-i2s",
+				     "allwinner,sun8i-h3-i2s";
+			reg = <0x01c22400 0x400>;
+			interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2S1>, <&ccu CLK_I2S1>;
+			clock-names = "apb", "mod";
+			resets = <&ccu RST_BUS_I2S1>;
+			dmas = <&dma 4>, <&dma 4>;
+			dma-names = "rx", "tx";
+		};
+
+		i2s2: i2s@1c22800 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun8i-r40-i2s",
+				     "allwinner,sun8i-h3-i2s";
+			reg = <0x01c22800 0x400>;
+			interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2S2>, <&ccu CLK_I2S2>;
+			clock-names = "apb", "mod";
+			resets = <&ccu RST_BUS_I2S2>;
+			dmas = <&dma 6>, <&dma 6>;
+			dma-names = "rx", "tx";
+		};
+
 		ths: thermal-sensor@1c24c00 {
 			compatible = "allwinner,sun8i-r40-ths";
 			reg = <0x01c24c00 0x100>;