From: Peng Fan <peng.fan@xxxxxxx>
Add reserved memory node for CMA usage.
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
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
