linux-kernel - [PATCH 2/5] arm64: dts: Add support for Crashdump collection on IPQ9574

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Date:   Fri, 13 Jan 2023 21:30:09 +0530
From:   Poovendhan Selvaraj <quic_poovendh@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <lee@...nel.org>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <shawnguo@...nel.org>, <arnd@...db.de>,
        <marcel.ziswiler@...adex.com>, <dmitry.baryshkov@...aro.org>,
        <nfraprado@...labora.com>, <broonie@...nel.org>,
        <robimarko@...il.com>, <quic_gurus@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <quic_srichara@...cinc.com>, <quic_gokulsri@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_kathirav@...cinc.com>,
        <quic_arajkuma@...cinc.com>, <quic_anusha@...cinc.com>,
        <quic_devipriy@...cinc.com>
Subject: [PATCH 2/5] arm64: dts: Add support for Crashdump collection on IPQ9574

Enable Crashdump collection in ipq9574

Co-developed-by: Anusha Rao <quic_anusha@...cinc.com>
Signed-off-by: Anusha Rao <quic_anusha@...cinc.com>
Co-developed-by: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
Signed-off-by: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>
Signed-off-by: Poovendhan Selvaraj <quic_poovendh@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 79fa5d91882c..349955bad386 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -166,6 +166,13 @@
 		reg = <0x0 0x40000000 0x0 0x0>;
 	};
 
+	firmware {
+		scm {
+			compatible = "qcom,scm-ipq9574", "qcom,scm";
+			qcom,dload-mode = <&tcsr_boot_misc 0>;
+		};
+	};
+
 	pmu {
 		compatible = "arm,cortex-a73-pmu";
 		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
@@ -190,6 +197,13 @@
 			reg = <0x0 0x4a600000 0x0 0x400000>;
 			no-map;
 		};
+
+		smem@...00000 {
+			compatible = "qcom,smem";
+			reg = <0x0 0x4aa00000 0x0 0x00100000>;
+			hwlocks = <&tcsr_mutex 0>;
+			no-map;
+		};
 	};
 
 	soc: soc@0 {
@@ -240,6 +254,17 @@
 			#reset-cells = <1>;
 		};
 
+		tcsr_mutex: hwlock@...5000 {
+			compatible = "qcom,tcsr-mutex";
+			reg = <0x01905000 0x8000>;
+			#hwlock-cells = <1>;
+		};
+
+		tcsr_boot_misc: syscon@...d100 {
+			compatible = "qcom,tcsr-ipq9574", "syscon";
+			reg = <0x0193d100 0x4>;
+		};
+
 		sdhc_1: sdhci@...4000 {
 			compatible = "qcom,sdhci-msm-v5";
 			reg = <0x7804000 0x1000>, <0x7805000 0x1000>;
-- 
2.17.1