linux-kernel - [PATCH 4/6] arm64: dts: qcom: qcs615: Add IMEM and PIL info region

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Message-ID: <20250423-add_qcs615_remoteproc_support-v1-4-a94fe8799f14@quicinc.com>
Date: Wed, 23 Apr 2025 17:17:40 +0800
From: Lijuan Gao <quic_lijuang@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier
	<mathieu.poirier@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>
CC: <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Lijuan Gao <quic_lijuang@...cinc.com>
Subject: [PATCH 4/6] arm64: dts: qcom: qcs615: Add IMEM and PIL info region

Add a simple-mfd representing IMEM on QCS615 and define the PIL
relocation info region, so that post mortem tools will be able
to locate the loaded remoteprocs.

Signed-off-by: Lijuan Gao <quic_lijuang@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qcs615.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
index ab3c6ba5842b..fe9fda6b71c4 100644
--- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
@@ -3297,6 +3297,20 @@ sram@...0000 {
 			reg = <0x0 0x0c3f0000 0x0 0x400>;
 		};
 
+		sram@...aa000 {
+			compatible = "qcom,qcs615-imem", "syscon", "simple-mfd";
+			reg = <0x0 0x146aa000 0x0 0x1000>;
+			ranges = <0 0 0x146aa000 0x1000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			pil-reloc@94c {
+				compatible = "qcom,pil-reloc-info";
+				reg = <0x94c 0xc8>;
+			};
+		};
+
 		apps_smmu: iommu@...00000 {
 			compatible = "qcom,qcs615-smmu-500", "qcom,smmu-500", "arm,mmu-500";
 			reg = <0x0 0x15000000 0x0 0x80000>;

-- 
2.46.0