Commit 970406ea authored by Adam Ford's avatar Adam Ford Committed by Shawn Guo
Browse files

arm64: dts: imx8mn: Enable Asynchronous Sample Rate Converter 



The driver exists for the Enhanced Asynchronous Sample Rate Converter
(EASRC) Controller, but there isn't a device tree entry for it.

On the vendor kernel, they put this on a spba-bus for SDMA support.

Add the node for the spba-bus with the easrc node inside.

Signed-off-by: default avatarAdam Ford <aford173@gmail.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 2e6cde96

arch/arm64/boot/dts/freescale/imx8mn.dtsi

+28 −0
Original line number Diff line number Diff line
@@ -253,6 +253,34 @@ 
			#size-cells = <1>;

			ranges;



			spba: bus@30000000 {

				compatible = "fsl,spba-bus", "simple-bus";

				#address-cells = <1>;

				#size-cells = <1>;

				reg = <0x30000000 0x100000>;

				ranges;



				easrc: easrc@300c0000 {

					compatible = "fsl,imx8mn-easrc";

					reg = <0x300c0000 0x10000>;

					interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;

					clocks = <&clk IMX8MN_CLK_ASRC_ROOT>;

					clock-names = "mem";

					dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>,

					       <&sdma2 18 23 0> , <&sdma2 19 23 0>,

					       <&sdma2 20 23 0> , <&sdma2 21 23 0>,

					       <&sdma2 22 23 0> , <&sdma2 23 23 0>;

					dma-names = "ctx0_rx", "ctx0_tx",

						    "ctx1_rx", "ctx1_tx",

						    "ctx2_rx", "ctx2_tx",

						    "ctx3_rx", "ctx3_tx";

					firmware-name = "imx/easrc/easrc-imx8mn.bin";

					fsl,asrc-rate  = <8000>;

					fsl,asrc-format = <2>;

					status = "disabled";

				};

			};



			gpio1: gpio@30200000 {

				compatible = "fsl,imx8mn-gpio", "fsl,imx35-gpio";

				reg = <0x30200000 0x10000>;