linux-hardening - [PATCH 2/4] arm64: dts: qcom: sm6115: Add RMTFS

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Message-Id: <20230406-topic-lenovo_features-v1-2-c73a5180e48e@linaro.org>
Date:   Thu, 06 Apr 2023 17:25:51 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 2/4] arm64: dts: qcom: sm6115: Add RMTFS

Add a node for RMTFS and associate it with MSA and NAV IDs to enable
modem functionality on SM6115.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm6115.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
index 2505c815c65a..99c6550663c8 100644
--- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/clock/qcom,sm6115-gpucc.h>
 #include <dt-bindings/clock/qcom,rpmcc.h>
 #include <dt-bindings/dma/qcom-gpi.h>
+#include <dt-bindings/firmware/qcom,scm.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
@@ -290,6 +291,15 @@ removed_mem: memory@...00000 {
 			reg = <0x0 0x60000000 0x0 0x3900000>;
 			no-map;
 		};
+
+		rmtfs_mem: memory@...01000 {
+			compatible = "qcom,rmtfs-mem";
+			reg = <0x0 0x89b01000 0x0 0x200000>;
+			no-map;
+
+			qcom,client-id = <1>;
+			qcom,vmid = <QCOM_SCM_VMID_MSS_MSA QCOM_SCM_VMID_NAV>;
+		};
 	};
 
 	rpm-glink {

-- 
2.40.0