[PATCH 06/10] arm64: dts: imx8ulp-evk: add reserved memory for cma
From: Peng Fan (OSS) <hidden>
Date: 2023-06-25 12:39:17
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Peng Fan <peng.fan@nxp.com> Add reserved memory node for CMA usage. Signed-off-by: Peng Fan <peng.fan@nxp.com> --- 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 f1c6d933a17c..e171390a1888 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts@@ -20,6 +20,19 @@ memory@80000000 { 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>;
--
2.37.1