diff mbox series

[06/10] arm64: dts: imx8ulp-evk: add reserved memory for cma

Message ID 20230625124238.4071717-7-peng.fan@oss.nxp.com
State New
Headers show
Series arm64: dts: imx8ulp: add more nodes | expand

Commit Message

Peng Fan (OSS) June 25, 2023, 12:42 p.m. UTC 
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 mbox series

Patch

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>;