linux-kernel - [PATCH 2/2] arm64: dts: msm8996: Add rmtfs sharedmem node

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Message-Id: <20180213013724.3177-2-bjorn.andersson@linaro.org>
Date:   Mon, 12 Feb 2018 17:37:24 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>
Cc:     Rajendra Nayak <rnayak@...eaurora.org>,
        Govind Singh <govinds@....qualcomm.com>,
        Shon Parate <sparate@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: msm8996: Add rmtfs sharedmem node

A 2MB shared memory region is used on MSM8996 for exchanging sector data
in rmtfs. Add this chunk of reserved memory now that we have the
rmtfs-mem compatible to describe it and its memory protection
properties.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/boot/dts/qcom/msm8996.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 4b2afcc4fdf4..d04babb5f526 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -75,6 +75,17 @@
 			reg = <0x0 0x86200000 0x0 0x2600000>;
 			no-map;
 		};
+
+		rmtfs@...00000 {
+			compatible = "qcom,rmtfs-mem";
+
+			size = <0x0 0x200000>;
+			alloc-ranges = <0x0 0xa0000000 0x0 0x2000000>;
+			no-map;
+
+			qcom,client-id = <1>;
+			qcom,vmid = <15>;
+		};
 	};
 
 	cpus {
-- 
2.15.0