From: Peng Fan <peng.fan@nxp.com>
Date: Sun, 25 Jun 2023 12:25:47 +0000 (+0800)
Subject: arm64: dts: imx93: add cma area for i.MX93 11x11 EVK
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fc94fbb9978d97412e584fa057ccd029c19dfb87;p=linux.git

arm64: dts: imx93: add cma area for i.MX93 11x11 EVK

Add CMA region for DMA usage.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index c50f46f06f62c..359ae86f4e7e3 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -15,6 +15,20 @@
 		stdout-path = &lpuart1;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			alloc-ranges = <0 0x80000000 0 0x40000000>;
+			size = <0 0x10000000>;
+			linux,cma-default;
+		};
+	};
+
 	reg_vref_1v8: regulator-adc-vref {
 		compatible = "regulator-fixed";
 		regulator-name = "vref_1v8";