arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn

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: 6c3debcbae47 ("arm64: dts: freescale: Add i.MX8MN dtsi support")

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index fa78f01..8135dd0 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -718,7 +718,7 @@
                                reg = <0x30bd0000 0x10000>;
                                interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clk IMX8MN_CLK_SDMA1_ROOT>,
-                                        <&clk IMX8MN_CLK_SDMA1_ROOT>;
+                                        <&clk IMX8MN_CLK_AHB>;
                                clock-names = "ipg", "ahb";
                                #dma-cells = <3>;
                                fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";