From 70cb470fb104553e65fae12dbed6675f5d2a3d71 Mon Sep 17 00:00:00 2001
From: Dong Aisheng <aisheng.dong@nxp.com>
Date: Thu, 14 Nov 2019 17:32:16 +0800
Subject: [PATCH] MLK-22974-3 ARM: dts: imx7d sdb: reserve CMA memory for
 Display

Reserve CMA memory for Display

[ Aisheng: Ported from 4.19 GA ]
Tested-by: Robby Cai <robby.cai@nxp.com>
Acked-by: Jason Liu <jason.hui.liu@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
 arch/arm/boot/dts/imx7d-sdb.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 7853fc95a6de..623d1faf409b 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -19,6 +19,19 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x14000000>;
+			linux,cma-default;
+		};
+	};
+
 	modem_reset: modem-reset {
 		compatible = "gpio-reset";
 		reset-gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
-- 
2.17.1