arm64: dts: imx8qxp: Add audio SAI nodes

This adds the sai nodes attached to aips1 bus. These can be shared with
imx8qm as well. Input clock from ACM is always feed to mclk1 only. Others
are unused and are connected to a dummy clock.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi

@@ -4,6 +4,7 @@
  *	Dong Aisheng <aisheng.dong@nxp.com>
  */
 
+#include <dt-bindings/clock/imx8-clock.h>
 #include <dt-bindings/clock/imx8-lpcg.h>
 #include <dt-bindings/firmware/imx/rsrc.h>
 
@@ -118,6 +119,70 @@ audio_subsys: bus@59000000 {
 	#size-cells = <1>;
 	ranges = <0x59000000 0x0 0x59000000 0x1000000>;
 
+	sai0: sai@59040000 {
+		compatible = "fsl,imx8qm-sai";
+		reg = <0x59040000 0x10000>;
+		interrupts = <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&sai0_lpcg 1>,
+			 <&clk_dummy>,
+			 <&sai0_lpcg 0>,
+			 <&clk_dummy>,
+			 <&clk_dummy>;
+		clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3";
+		dma-names = "rx", "tx";
+		dmas = <&edma0 12 0 1>, <&edma0 13 0 0>;
+		power-domains = <&pd IMX_SC_R_SAI_0>;
+		status = "disabled";
+	};
+
+	sai1: sai@59050000 {
+		compatible = "fsl,imx8qm-sai";
+		reg = <0x59050000 0x10000>;
+		interrupts = <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&sai1_lpcg 1>,
+			 <&clk_dummy>,
+			 <&sai1_lpcg 0>,
+			 <&clk_dummy>,
+			 <&clk_dummy>;
+		clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3";
+		dma-names = "rx", "tx";
+		dmas = <&edma0 14 0 1>, <&edma0 15 0 0>;
+		power-domains = <&pd IMX_SC_R_SAI_1>;
+		status = "disabled";
+	};
+
+	sai2: sai@59060000 {
+		compatible = "fsl,imx8qm-sai";
+		reg = <0x59060000 0x10000>;
+		interrupts = <GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&sai2_lpcg 1>,
+			 <&clk_dummy>,
+			 <&sai2_lpcg 0>,
+			 <&clk_dummy>,
+			 <&clk_dummy>;
+		clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3";
+		dma-names = "rx";
+		dmas = <&edma0 16 0 1>;
+		power-domains = <&pd IMX_SC_R_SAI_2>;
+		status = "disabled";
+	};
+
+	sai3: sai@59070000 {
+		compatible = "fsl,imx8qm-sai";
+		reg = <0x59070000 0x10000>;
+		interrupts = <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&sai3_lpcg 1>,
+			 <&clk_dummy>,
+			 <&sai3_lpcg 0>,
+			 <&clk_dummy>,
+			 <&clk_dummy>;
+		clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3";
+		dma-names = "rx";
+		dmas = <&edma0 17 0 1>;
+		power-domains = <&pd IMX_SC_R_SAI_3>;
+		status = "disabled";
+	};
+
 	edma0: dma-controller@591f0000 {
 		compatible = "fsl,imx8qm-edma";
 		reg = <0x591f0000 0x190000>;
@@ -174,6 +239,54 @@ edma0: dma-controller@591f0000 {
 				<&pd IMX_SC_R_DMA_0_CH23>;
 	};
 
+	sai0_lpcg: clock-controller@59440000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x59440000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&acm IMX_ADMA_ACM_SAI0_MCLK_SEL>,
+			 <&audio_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "sai0_lpcg_mclk",
+				     "sai0_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SAI_0>;
+	};
+
+	sai1_lpcg: clock-controller@59450000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x59450000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&acm IMX_ADMA_ACM_SAI1_MCLK_SEL>,
+			 <&audio_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "sai1_lpcg_mclk",
+				     "sai1_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SAI_1>;
+	};
+
+	sai2_lpcg: clock-controller@59460000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x59460000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&acm IMX_ADMA_ACM_SAI2_MCLK_SEL>,
+			 <&audio_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "sai2_lpcg_mclk",
+				     "sai2_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SAI_2>;
+	};
+
+	sai3_lpcg: clock-controller@59470000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x59470000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&acm IMX_ADMA_ACM_SAI3_MCLK_SEL>,
+			 <&audio_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "sai3_lpcg_mclk",
+				     "sai3_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SAI_3>;
+	};
+
 	dsp_lpcg: clock-controller@59580000 {
 		compatible = "fsl,imx8qxp-lpcg";
 		reg = <0x59580000 0x10000>;

arch/arm64/boot/dts/freescale/imx8qxp.dtsi

@@ -260,6 +260,13 @@ timer {
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* Hypervisor */
 	};
 
+	clk_dummy: clock-dummy {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+		clock-output-names = "clk_dummy";
+	};
+
 	xtal32k: clock-xtal32k {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;