[PATCH 2/2] arm64: dts: imx8mm: Add spba1 and spba2 buses

Adam Ford aford173 at gmail.com
Tue Apr 6 02:33:43 BST 2021


The i.MX8MM reference manual shows there are two spba busses.
SPBA1 handles much of the serial interfaces, and SPBA2 covers much
of the audio.

Add both of them.

Signed-off-by: Adam Ford <aford173 at gmail.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index a27e02bee6b4..64aa38fd2b6e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -271,117 +271,125 @@ aips1: bus at 30000000 {
 			#size-cells = <1>;
 			ranges = <0x30000000 0x30000000 0x400000>;
 
-			sai1: sai at 30010000 {
-				#sound-dai-cells = <0>;
-				compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
-				reg = <0x30010000 0x10000>;
-				interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_SAI1_IPG>,
-					 <&clk IMX8MM_CLK_SAI1_ROOT>,
-					 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
-				clock-names = "bus", "mclk1", "mclk2", "mclk3";
-				dmas = <&sdma2 0 2 0>, <&sdma2 1 2 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+			spba2: spba-bus at 30000000 {
+				compatible = "fsl,spba-bus", "simple-bus";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0x30000000 0x100000>;
+				ranges;
+
+				sai1: sai at 30010000 {
+					#sound-dai-cells = <0>;
+					compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
+					reg = <0x30010000 0x10000>;
+					interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_SAI1_IPG>,
+						 <&clk IMX8MM_CLK_SAI1_ROOT>,
+						 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
+					clock-names = "bus", "mclk1", "mclk2", "mclk3";
+					dmas = <&sdma2 0 2 0>, <&sdma2 1 2 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			sai2: sai at 30020000 {
-				#sound-dai-cells = <0>;
-				compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
-				reg = <0x30020000 0x10000>;
-				interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_SAI2_IPG>,
-					<&clk IMX8MM_CLK_SAI2_ROOT>,
-					<&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
-				clock-names = "bus", "mclk1", "mclk2", "mclk3";
-				dmas = <&sdma2 2 2 0>, <&sdma2 3 2 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				sai2: sai at 30020000 {
+					#sound-dai-cells = <0>;
+					compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
+					reg = <0x30020000 0x10000>;
+					interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_SAI2_IPG>,
+						<&clk IMX8MM_CLK_SAI2_ROOT>,
+						<&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
+					clock-names = "bus", "mclk1", "mclk2", "mclk3";
+					dmas = <&sdma2 2 2 0>, <&sdma2 3 2 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			sai3: sai at 30030000 {
-				#sound-dai-cells = <0>;
-				compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
-				reg = <0x30030000 0x10000>;
-				interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_SAI3_IPG>,
-					 <&clk IMX8MM_CLK_SAI3_ROOT>,
-					 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
-				clock-names = "bus", "mclk1", "mclk2", "mclk3";
-				dmas = <&sdma2 4 2 0>, <&sdma2 5 2 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				sai3: sai at 30030000 {
+					#sound-dai-cells = <0>;
+					compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
+					reg = <0x30030000 0x10000>;
+					interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_SAI3_IPG>,
+						 <&clk IMX8MM_CLK_SAI3_ROOT>,
+						 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
+					clock-names = "bus", "mclk1", "mclk2", "mclk3";
+					dmas = <&sdma2 4 2 0>, <&sdma2 5 2 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			sai5: sai at 30050000 {
-				#sound-dai-cells = <0>;
-				compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
-				reg = <0x30050000 0x10000>;
-				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_SAI5_IPG>,
-					 <&clk IMX8MM_CLK_SAI5_ROOT>,
-					 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
-				clock-names = "bus", "mclk1", "mclk2", "mclk3";
-				dmas = <&sdma2 8 2 0>, <&sdma2 9 2 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				sai5: sai at 30050000 {
+					#sound-dai-cells = <0>;
+					compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
+					reg = <0x30050000 0x10000>;
+					interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_SAI5_IPG>,
+						 <&clk IMX8MM_CLK_SAI5_ROOT>,
+						 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
+					clock-names = "bus", "mclk1", "mclk2", "mclk3";
+					dmas = <&sdma2 8 2 0>, <&sdma2 9 2 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			sai6: sai at 30060000 {
-				#sound-dai-cells = <0>;
-				compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
-				reg = <0x30060000 0x10000>;
-				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_SAI6_IPG>,
-					 <&clk IMX8MM_CLK_SAI6_ROOT>,
-					 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
-				clock-names = "bus", "mclk1", "mclk2", "mclk3";
-				dmas = <&sdma2 10 2 0>, <&sdma2 11 2 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				sai6: sai at 30060000 {
+					#sound-dai-cells = <0>;
+					compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
+					reg = <0x30060000 0x10000>;
+					interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_SAI6_IPG>,
+						 <&clk IMX8MM_CLK_SAI6_ROOT>,
+						 <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>;
+					clock-names = "bus", "mclk1", "mclk2", "mclk3";
+					dmas = <&sdma2 10 2 0>, <&sdma2 11 2 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			micfil: audio-controller at 30080000 {
-				compatible = "fsl,imx8mm-micfil";
-				reg = <0x30080000 0x10000>;
-				interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
-					     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
-					     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
-					     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_PDM_IPG>,
-					 <&clk IMX8MM_CLK_PDM_ROOT>,
-					 <&clk IMX8MM_AUDIO_PLL1_OUT>,
-					 <&clk IMX8MM_AUDIO_PLL2_OUT>,
-					 <&clk IMX8MM_CLK_EXT3>;
-				clock-names = "ipg_clk", "ipg_clk_app",
-					      "pll8k", "pll11k", "clkext3";
-				dmas = <&sdma2 24 25 0x80000000>;
-				dma-names = "rx";
-				status = "disabled";
-			};
+				micfil: audio-controller at 30080000 {
+					compatible = "fsl,imx8mm-micfil";
+					reg = <0x30080000 0x10000>;
+					interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+						     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+						     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
+						     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_PDM_IPG>,
+						 <&clk IMX8MM_CLK_PDM_ROOT>,
+						 <&clk IMX8MM_AUDIO_PLL1_OUT>,
+						 <&clk IMX8MM_AUDIO_PLL2_OUT>,
+						 <&clk IMX8MM_CLK_EXT3>;
+					clock-names = "ipg_clk", "ipg_clk_app",
+						      "pll8k", "pll11k", "clkext3";
+					dmas = <&sdma2 24 25 0x80000000>;
+					dma-names = "rx";
+					status = "disabled";
+				};
 
-			spdif1: spdif at 30090000 {
-				compatible = "fsl,imx35-spdif";
-				reg = <0x30090000 0x10000>;
-				interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_AUDIO_AHB>, /* core */
-					 <&clk IMX8MM_CLK_24M>, /* rxtx0 */
-					 <&clk IMX8MM_CLK_SPDIF1>, /* rxtx1 */
-					 <&clk IMX8MM_CLK_DUMMY>, /* rxtx2 */
-					 <&clk IMX8MM_CLK_DUMMY>, /* rxtx3 */
-					 <&clk IMX8MM_CLK_DUMMY>, /* rxtx4 */
-					 <&clk IMX8MM_CLK_AUDIO_AHB>, /* rxtx5 */
-					 <&clk IMX8MM_CLK_DUMMY>, /* rxtx6 */
-					 <&clk IMX8MM_CLK_DUMMY>, /* rxtx7 */
-					 <&clk IMX8MM_CLK_DUMMY>; /* spba */
-				clock-names = "core", "rxtx0",
-					      "rxtx1", "rxtx2",
-					      "rxtx3", "rxtx4",
-					      "rxtx5", "rxtx6",
-					      "rxtx7", "spba";
-				dmas = <&sdma2 28 18 0>, <&sdma2 29 18 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
+				spdif1: spdif at 30090000 {
+					compatible = "fsl,imx35-spdif";
+					reg = <0x30090000 0x10000>;
+					interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_AUDIO_AHB>, /* core */
+						 <&clk IMX8MM_CLK_24M>, /* rxtx0 */
+						 <&clk IMX8MM_CLK_SPDIF1>, /* rxtx1 */
+						 <&clk IMX8MM_CLK_DUMMY>, /* rxtx2 */
+						 <&clk IMX8MM_CLK_DUMMY>, /* rxtx3 */
+						 <&clk IMX8MM_CLK_DUMMY>, /* rxtx4 */
+						 <&clk IMX8MM_CLK_AUDIO_AHB>, /* rxtx5 */
+						 <&clk IMX8MM_CLK_DUMMY>, /* rxtx6 */
+						 <&clk IMX8MM_CLK_DUMMY>, /* rxtx7 */
+						 <&clk IMX8MM_CLK_DUMMY>; /* spba */
+					clock-names = "core", "rxtx0",
+						      "rxtx1", "rxtx2",
+						      "rxtx3", "rxtx4",
+						      "rxtx5", "rxtx6",
+						      "rxtx7", "spba";
+					dmas = <&sdma2 28 18 0>, <&sdma2 29 18 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 			};
 
 			gpio1: gpio at 30200000 {
@@ -670,80 +678,88 @@ aips3: bus at 30800000 {
 			ranges = <0x30800000 0x30800000 0x400000>,
 				 <0x8000000 0x8000000 0x10000000>;
 
-			ecspi1: spi at 30820000 {
-				compatible = "fsl,imx8mm-ecspi", "fsl,imx51-ecspi";
+			spba1: spba-bus at 30800000 {
+				compatible = "fsl,spba-bus", "simple-bus";
 				#address-cells = <1>;
-				#size-cells = <0>;
-				reg = <0x30820000 0x10000>;
-				interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_ECSPI1_ROOT>,
-					 <&clk IMX8MM_CLK_ECSPI1_ROOT>;
-				clock-names = "ipg", "per";
-				dmas = <&sdma1 0 7 1>, <&sdma1 1 7 2>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				#size-cells = <1>;
+				reg = <0x30800000 0x100000>;
+				ranges;
+
+				ecspi1: spi at 30820000 {
+					compatible = "fsl,imx8mm-ecspi", "fsl,imx51-ecspi";
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0x30820000 0x10000>;
+					interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_ECSPI1_ROOT>,
+						 <&clk IMX8MM_CLK_ECSPI1_ROOT>;
+					clock-names = "ipg", "per";
+					dmas = <&sdma1 0 7 1>, <&sdma1 1 7 2>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			ecspi2: spi at 30830000 {
-				compatible = "fsl,imx8mm-ecspi", "fsl,imx51-ecspi";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				reg = <0x30830000 0x10000>;
-				interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_ECSPI2_ROOT>,
-					 <&clk IMX8MM_CLK_ECSPI2_ROOT>;
-				clock-names = "ipg", "per";
-				dmas = <&sdma1 2 7 1>, <&sdma1 3 7 2>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				ecspi2: spi at 30830000 {
+					compatible = "fsl,imx8mm-ecspi", "fsl,imx51-ecspi";
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0x30830000 0x10000>;
+					interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_ECSPI2_ROOT>,
+						 <&clk IMX8MM_CLK_ECSPI2_ROOT>;
+					clock-names = "ipg", "per";
+					dmas = <&sdma1 2 7 1>, <&sdma1 3 7 2>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			ecspi3: spi at 30840000 {
-				compatible = "fsl,imx8mm-ecspi", "fsl,imx51-ecspi";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				reg = <0x30840000 0x10000>;
-				interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_ECSPI3_ROOT>,
-					 <&clk IMX8MM_CLK_ECSPI3_ROOT>;
-				clock-names = "ipg", "per";
-				dmas = <&sdma1 4 7 1>, <&sdma1 5 7 2>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				ecspi3: spi at 30840000 {
+					compatible = "fsl,imx8mm-ecspi", "fsl,imx51-ecspi";
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0x30840000 0x10000>;
+					interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_ECSPI3_ROOT>,
+						 <&clk IMX8MM_CLK_ECSPI3_ROOT>;
+					clock-names = "ipg", "per";
+					dmas = <&sdma1 4 7 1>, <&sdma1 5 7 2>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			uart1: serial at 30860000 {
-				compatible = "fsl,imx8mm-uart", "fsl,imx6q-uart";
-				reg = <0x30860000 0x10000>;
-				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_UART1_ROOT>,
-					 <&clk IMX8MM_CLK_UART1_ROOT>;
-				clock-names = "ipg", "per";
-				dmas = <&sdma1 22 4 0>, <&sdma1 23 4 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				uart1: serial at 30860000 {
+					compatible = "fsl,imx8mm-uart", "fsl,imx6q-uart";
+					reg = <0x30860000 0x10000>;
+					interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_UART1_ROOT>,
+						 <&clk IMX8MM_CLK_UART1_ROOT>;
+					clock-names = "ipg", "per";
+					dmas = <&sdma1 22 4 0>, <&sdma1 23 4 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			uart3: serial at 30880000 {
-				compatible = "fsl,imx8mm-uart", "fsl,imx6q-uart";
-				reg = <0x30880000 0x10000>;
-				interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_UART3_ROOT>,
-					 <&clk IMX8MM_CLK_UART3_ROOT>;
-				clock-names = "ipg", "per";
-				dmas = <&sdma1 26 4 0>, <&sdma1 27 4 0>;
-				dma-names = "rx", "tx";
-				status = "disabled";
-			};
+				uart3: serial at 30880000 {
+					compatible = "fsl,imx8mm-uart", "fsl,imx6q-uart";
+					reg = <0x30880000 0x10000>;
+					interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_UART3_ROOT>,
+						 <&clk IMX8MM_CLK_UART3_ROOT>;
+					clock-names = "ipg", "per";
+					dmas = <&sdma1 26 4 0>, <&sdma1 27 4 0>;
+					dma-names = "rx", "tx";
+					status = "disabled";
+				};
 
-			uart2: serial at 30890000 {
-				compatible = "fsl,imx8mm-uart", "fsl,imx6q-uart";
-				reg = <0x30890000 0x10000>;
-				interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_UART2_ROOT>,
-					 <&clk IMX8MM_CLK_UART2_ROOT>;
-				clock-names = "ipg", "per";
-				status = "disabled";
+				uart2: serial at 30890000 {
+					compatible = "fsl,imx8mm-uart", "fsl,imx6q-uart";
+					reg = <0x30890000 0x10000>;
+					interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&clk IMX8MM_CLK_UART2_ROOT>,
+						 <&clk IMX8MM_CLK_UART2_ROOT>;
+					clock-names = "ipg", "per";
+					status = "disabled";
+				};
 			};
 
 			crypto: crypto at 30900000 {
-- 
2.25.1




More information about the linux-arm-kernel mailing list