From 5efd918591a22cbb6a3086c129ff615541cd9923 Mon Sep 17 00:00:00 2001
From: Sudarshan Rajagopalan <sudaraja@quicinc.com>
Date: Tue, 22 Mar 2022 12:25:20 -0700
Subject: [PATCH] ARM: dts: msm: Add system cma region for Cinder

Add the global system cma region for contiguous memory
allocation for RU and DU variants of Cinder.

Change-Id: Ib3dabed7d4e29d0eac83b3c4ae673836d7662e4a
---
 qcom/cinder.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/qcom/cinder.dtsi b/qcom/cinder.dtsi
index 135849ec..53b9c38f 100644
--- a/qcom/cinder.dtsi
+++ b/qcom/cinder.dtsi
@@ -151,6 +151,23 @@
 	};
 
 	soc: soc { };
+
+};
+
+&reserved_memory {
+	#address-cells = <2>;
+	#size-cells = <2>;
+	ranges;
+
+	/* global autoconfigured region for contiguous allocations */
+	system_cma: linux,cma {
+		compatible = "shared-dma-pool";
+		alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+		reusable;
+		alignment = <0x0 0x400000>;
+		size = <0x0 0x2000000>;
+		linux,cma-default;
+	};
 };
 
 #include "cinder-stub-regulator.dtsi"