From 949604ed196850cb97a88826e67f0b644f5ed8ee Mon Sep 17 00:00:00 2001
From: Rajeshwar Kurapaty <rkurapat@qti.qualcomm.com>
Date: Thu, 5 Nov 2020 12:02:46 +0530
Subject: [PATCH] ARM: dts: msm: Add secure display heap configuration for
 Yupik

Add secure display heap configuration to enable secure memory
allocations for secure display/camera usecases.

Change-Id: I27132f3b1d85458fc9dc77d4969a42c5aa29ad09
---
 qcom/yupik-ion.dtsi | 6 ++++++
 qcom/yupik.dtsi     | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/qcom/yupik-ion.dtsi b/qcom/yupik-ion.dtsi
index c10aa1385e0e..a79bbd58abf5 100644
--- a/qcom/yupik-ion.dtsi
+++ b/qcom/yupik-ion.dtsi
@@ -15,6 +15,12 @@
 			reg = <ION_SECURE_HEAP_ID>;
 			qcom,ion-heap-type = "SYSTEM_SECURE";
 		};
+
+		qcom,ion-heap@10 { /* SECURE DISPLAY HEAP */
+			reg = <ION_SECURE_DISPLAY_HEAP_ID>;
+			memory-region = <&secure_display_memory>;
+			qcom,ion-heap-type = "HYP_CMA";
+		};
 	};
 };
 
diff --git a/qcom/yupik.dtsi b/qcom/yupik.dtsi
index be693f53cd92..cc04ff320e6e 100644
--- a/qcom/yupik.dtsi
+++ b/qcom/yupik.dtsi
@@ -322,6 +322,14 @@
 			reg = <0x0 0xc0000000 0x0 0x5100000>;
 		};
 
+		secure_display_memory: secure_display_region {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0 0x00000000 0 0xffffffff>;
+			reusable;
+			alignment = <0 0x400000>;
+			size = <0 0x8c00000>;
+		};
+
 		/* global autoconfigured region for contiguous allocations */
 		linux,cma {
 			compatible = "shared-dma-pool";