From 4251a3ac4de9625a284a9c046cc915487e9b2a5e Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Tue, 4 May 2021 10:20:51 +0200 Subject: [PATCH] arm64: dts: imx8mm: specify dma-ranges DMA addressing capabilities on i.MX8MM are limited by the interconnect, same as on i.MX8MQ. Add dma-ranges to the the peripheral bus to let the kernel know about this. Signed-off-by: Lucas Stach Reviewed-by: Frieder Schrempf Tested-by: Frieder Schrempf Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index 64aa38f..e7648c3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -261,6 +261,7 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + dma-ranges = <0x40000000 0x0 0x40000000 0xc0000000>; nvmem-cells = <&imx8mm_uid>; nvmem-cell-names = "soc_unique_id"; -- 2.7.4