Blob Blame History Raw
From: Adam Ford <aford173@gmail.com>
Date: Mon, 16 Dec 2019 05:15:30 -0600
Subject: arm64: dts: imx8mm: Change SDMA1 ahb clock for imx8mm
Git-commit: 24a572bf67994223e722cadfe663e15ba221882a
Patch-mainline: v5.5-rc7
References: bsc#1164202

Using SDMA1 with UART1 is causing a "Timeout waiting for CH0" error.
This patch changes to ahb clock from SDMA1_ROOT to AHB which
fixes the timeout error.

Fixes:  a05ea40eb384 ("arm64: dts: imx: Add i.mx8mm dtsi support")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 6edbdfe2d0d7..3d95b66a2d71 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -740,7 +740,7 @@ sdma1: dma-controller@30bd0000 {
 				reg = <0x30bd0000 0x10000>;
 				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MM_CLK_SDMA1_ROOT>,
-					 <&clk IMX8MM_CLK_SDMA1_ROOT>;
+					 <&clk IMX8MM_CLK_AHB>;
 				clock-names = "ipg", "ahb";
 				#dma-cells = <3>;
 				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";
-- 
2.25.0