From: Josep Orga <jorga@somdevices.com>
Date: Fri, 8 Oct 2021 17:26:54 +0000 (+0200)
Subject: arm64: dts: imx8mn-somdevices.dtsi: Configure memory and allocate less cma memory.
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~17
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=e19578dd497df7e60068d5066c35e4b62e02cfcc;p=linux.git

arm64: dts: imx8mn-somdevices.dtsi: Configure memory and allocate less cma memory.

Signed-off-by: Josep Orga <jorga@somdevices.com>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi
index cbd125069dd0..c9b040380261 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi
@@ -29,7 +29,7 @@
 
 	memory@40000000 {
 		device_type = "memory";
-		reg = <0x0 0x40000000 0 0x80000000>;
+		reg = <0x0 0x40000000 0 0x20000000>;
 	};
 
 	modem_reset: modem-reset {
@@ -291,6 +291,17 @@
 	};
 };
 
+&resmem {
+	/* global autoconfigured region for contiguous allocations */
+	linux,cma {
+		compatible = "shared-dma-pool";
+		reusable;
+		size = <0 0xA000000>;
+		alloc-ranges = <0 0x40000000 0 0x40000000>;
+		linux,cma-default;
+	};
+};
+
 &sai5 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai5>;