From: Lucas Stach <l.stach@pengutronix.de>
Date: Tue, 4 May 2021 08:20:51 +0000 (+0200)
Subject: arm64: dts: imx8mm: specify dma-ranges
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4251a3ac4de9625a284a9c046cc915487e9b2a5e;p=linux.git

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 <l.stach@pengutronix.de>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 64aa38fd2b6e0..e7648c3b83905 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";