From: Josep Orga <jorga@somdevices.com>
Date: Thu, 26 Oct 2023 15:17:31 +0000 (+0200)
Subject: arm64: dts: imx8mp-somdevices.dtsi: Configure memory and allocate less cma memory.
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.3~10
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=4fd84b78e7e3e8e3d96eb10b3e9efb49217874b3;p=linux.git

arm64: dts: imx8mp-somdevices.dtsi: Configure memory and allocate less cma memory.
Based on:
https://github.com/nxp-imx/linux-imx/commit/910178d16dd3e4cba08bebde148c493308cd3fd7
https://git.toradex.com/cgit/linux-toradex.git/commit/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi?h=toradex_5.15-2.2.x-imx&id=5442dba1b301ab623abc8badf1c5a1dc4f851756
https://git.toradex.com/cgit/linux-toradex.git/commit/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi?h=toradex_5.15-2.2.x-imx&id=177b4e0e45cce067933a416f674991f7ed279924

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

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-somdevices.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-somdevices.dtsi
index 587fe6843920..89cbedf6edac 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-somdevices.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-somdevices.dtsi
@@ -30,8 +30,7 @@
 
 	memory@40000000 {
 		device_type = "memory";
-		reg = <0x0 0x40000000 0 0xc0000000>,
-		      <0x1 0x00000000 0 0xc0000000>;
+		reg = <0x0 0x40000000 0 0x80000000>;
 	};
 
 	reg_usdhc2_vmmc: regulator-usdhc2 {
@@ -45,6 +44,17 @@
 		enable-active-high;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			size = <0 0x20000000>;
+			/delete-node/ alloc-ranges;
+		};
+	};
+
 	bt_sco_codec: bt_sco_codec {
 		#sound-dai-cells = <1>;
 		compatible = "linux,bt-sco";
@@ -331,6 +341,12 @@
 	status = "okay";
 };
 
+/* only used for tuning tool, save 256MB */
+/delete-node/ &isp0_reserved;
+&isp_0 {
+	/delete-property/ memory-region;
+};
+
 &hdmi_blk_ctrl {
 	status = "okay";
 };