From 970406eaef3a5304cc1513d8a4aae23e183f7ba8 Mon Sep 17 00:00:00 2001 From: Adam Ford Date: Sat, 7 Nov 2020 05:58:05 -0600 Subject: [PATCH] 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: Adam Ford Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 28 +++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index d5cb8abb13e8..412e4a7773ef 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -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 = ; + 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>; -- 2.20.1