From d8401f7d8f98df8e365e4cb2f65d14ecc21fd42e Mon Sep 17 00:00:00 2001
From: Sahitya Tummala <stummala@qti.qualcomm.com>
Date: Tue, 7 Jul 2020 10:38:38 +0530
Subject: [PATCH] ARM: dts: msm: Add rmtfs_sharedmem support for Holi

Add shared memory support to enable the rmt_storage service
in userspace that allows other processor to access the primary
storage device to store its data.

Change-Id: Ie9aa53291e2cfb3f5249d76a0f2a12e33751ea21
---
 bindings/uio/msm_sharedmem.txt | 5 +++++
 qcom/holi.dtsi                 | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/bindings/uio/msm_sharedmem.txt b/bindings/uio/msm_sharedmem.txt
index 749c6e856819..8bbfcf0ce532 100644
--- a/bindings/uio/msm_sharedmem.txt
+++ b/bindings/uio/msm_sharedmem.txt
@@ -9,10 +9,15 @@ Required properties:
 - reg-names : Indicates various client-names.
 - qcom,client-id : The client id for the QMI clients.
 
+Optional properties:
+- qcom,vm-nav-path:     If this dtsi property is set, then the shared memory region
+			will be given access to vm-nav-path also.
+
 Example:
 	qcom,msm_sharedmem@0dc80000 {
 		compatible = "qcom,sharedmem-uio";
 		reg = <0x0dc80000 0x00180000>,
 		reg-names = "rmtfs";
 		qcom,client-id = <0x00000001>;
+		qcom,vm-nav-path;
 	};
diff --git a/qcom/holi.dtsi b/qcom/holi.dtsi
index 067456bb675e..d039505f6104 100644
--- a/qcom/holi.dtsi
+++ b/qcom/holi.dtsi
@@ -935,6 +935,14 @@
 		memory-region = <&pil_video_mem>;
 	};
 
+	qcom,rmtfs_sharedmem@0 {
+		compatible = "qcom,sharedmem-uio";
+		reg = <0x0 0x200000>;
+		reg-names = "rmtfs";
+		qcom,client-id = <0x00000001>;
+		qcom,vm-nav-path;
+	};
+
 	ufsphy_mem: ufsphy_mem@4807000 {
 		reg = <0x4807000 0xDDC>;
 		reg-names = "phy_mem";