ARM: dts: stm32: add i2s support on stm32mp157c

This patch adds support of STM32 I2S on stm32mp157c.
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp157c.dtsi

@@ -365,6 +365,17 @@ spi2: spi@4000b000 {
 			status = "disabled";
 		};
 
+		i2s2: audio-controller@4000b000 {
+			compatible = "st,stm32h7-i2s";
+			#sound-dai-cells = <0>;
+			reg = <0x4000b000 0x400>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dmamux1 39 0x400 0x01>,
+			       <&dmamux1 40 0x400 0x01>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
 		spi3: spi@4000c000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -379,6 +390,17 @@ spi3: spi@4000c000 {
 			status = "disabled";
 		};
 
+		i2s3: audio-controller@4000c000 {
+			compatible = "st,stm32h7-i2s";
+			#sound-dai-cells = <0>;
+			reg = <0x4000c000 0x400>;
+			interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dmamux1 61 0x400 0x01>,
+			       <&dmamux1 62 0x400 0x01>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
 		spdifrx: audio-controller@4000d000 {
 			compatible = "st,stm32h7-spdifrx";
 			#sound-dai-cells = <0>;
@@ -607,6 +629,17 @@ spi1: spi@44004000 {
 			status = "disabled";
 		};
 
+		i2s1: audio-controller@44004000 {
+			compatible = "st,stm32h7-i2s";
+			#sound-dai-cells = <0>;
+			reg = <0x44004000 0x400>;
+			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dmamux1 37 0x400 0x01>,
+			       <&dmamux1 38 0x400 0x01>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
 		spi4: spi@44005000 {
 			#address-cells = <1>;
 			#size-cells = <0>;