linux-kernel - [PATCH 2/2] arm64: dts: qcom: sm8450: Add IMEM and PIL info region

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Date:   Fri, 3 Feb 2023 22:34:51 +0530
From:   Mukesh Ojha <quic_mojha@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Mukesh Ojha <quic_mojha@...cinc.com>
Subject: [PATCH 2/2] arm64: dts: qcom: sm8450: Add IMEM and PIL info region

Add a simple-mfd representing IMEM on SM8450 and define the PIL
relocation info region, so that post mortem tools will be able
to locate the loaded remoteprocs.

Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 5704750..474ea1b 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -3536,6 +3536,21 @@
 			};
 		};
 
+		sram@...aa000 {
+			compatible = "qcom,sm8450-imem", "syscon", "simple-mfd";
+			reg = <0 0x146aa000 0 0x1000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ranges = <0 0 0x146aa000 0x1000>;
+
+			pil-reloc@94c {
+				compatible = "qcom,pil-reloc-info";
+				reg = <0x94c 0xc8>;
+			};
+		};
+
 		apps_rsc: rsc@...00000 {
 			label = "apps_rsc";
 			compatible = "qcom,rpmh-rsc";
-- 
2.7.4