From d0da51bb9d8539bdb131c17114444aa9f58a209f Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Mon, 24 Jul 2023 15:58:29 +0800 Subject: [PATCH] arm64: dts: imx8ulp-evk: add reserved memory for cma Add reserved memory node for CMA usage. Signed-off-by: Peng Fan Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts index f1c6d933a17c4..e171390a18882 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -20,6 +20,19 @@ reg = <0x0 0x80000000 0 0x80000000>; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0 0x28000000>; + linux,cma-default; + }; + }; + clock_ext_rmii: clock-ext-rmii { compatible = "fixed-clock"; clock-frequency = <50000000>; -- 2.30.2