From 06d2c5dd1c31e0354ec593c06ff3db38255cf2a0 Mon Sep 17 00:00:00 2001
From: Damon Ding <damon.ding@rock-chips.com>
Date: Fri, 12 Aug 2022 17:49:52 +0800
Subject: [PATCH] arm64: dts: rockchip: rk3308: add cma node for
 rk3308b-mipi-display-v11.dtsi

Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
Change-Id: I0d813b5f81214f9a6a0e613cd0e7afb0f16924ba
---
 .../boot/dts/rockchip/rk3308b-mipi-display-v11.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308b-mipi-display-v11.dtsi b/arch/arm64/boot/dts/rockchip/rk3308b-mipi-display-v11.dtsi
index d9c7bba0c716..458170438d90 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308b-mipi-display-v11.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308b-mipi-display-v11.dtsi
@@ -56,6 +56,19 @@
 		enable-active-high;
 		regulator-boot-on;
 	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0x2000000>;
+			linux,cma-default;
+		};
+	};
 };
 
 &i2c0 {