From 40d027c5ce41bbc752516c0c68fcf2cffd2518c3 Mon Sep 17 00:00:00 2001
From: Rajeshwar Kurapaty <rkurapat@qti.qualcomm.com>
Date: Tue, 19 May 2020 21:53:36 +0530
Subject: [PATCH] ARM: dts: msm: Add secure display heap configuration for holi

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

Change-Id: I19ae73eb8da6780e94b3f15b1c8c2cc9ed05615b
---
 qcom/holi-ion.dtsi | 6 ++++++
 qcom/holi.dtsi     | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/qcom/holi-ion.dtsi b/qcom/holi-ion.dtsi
index 71bec6ce40e7..492860866012 100644
--- a/qcom/holi-ion.dtsi
+++ b/qcom/holi-ion.dtsi
@@ -15,5 +15,11 @@
 			reg = <ION_SECURE_HEAP_ID>;
 			qcom,ion-heap-type = "SYSTEM_SECURE";
 		};
+
+		qcom,ion-heap@10 { /* SECURE DISPLAY HEAP */
+			reg = <10>;
+			memory-region = <&secure_display_memory>;
+			qcom,ion-heap-type = "HYP_CMA";
+		};
 	};
 };
diff --git a/qcom/holi.dtsi b/qcom/holi.dtsi
index 0c09985e443c..d6cd5ced6ef0 100644
--- a/qcom/holi.dtsi
+++ b/qcom/holi.dtsi
@@ -266,6 +266,14 @@
 			reg = <0x0 0xd0000000 0x0 0xa600000>;
 		};
 
+		secure_display_memory: secure_display_region {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0 0x00000000 0 0xffffffff>;
+			reusable;
+			alignment = <0 0x400000>;
+			size = <0 0x5c00000>;
+		};
+
 		/* global autoconfigured region for contiguous allocations */
 		linux,cma {
 			compatible = "shared-dma-pool";