From:   Poovendhan Selvaraj <quic_poovendh@quicinc.com>
To:     <agross@kernel.org>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <lee@kernel.org>,
        <catalin.marinas@arm.com>, <will@kernel.org>,
        <shawnguo@kernel.org>, <arnd@arndb.de>,
        <marcel.ziswiler@toradex.com>, <robimarko@gmail.com>,
        <dmitry.baryshkov@linaro.org>, <nfraprado@collabora.com>,
        <broonie@kernel.org>, <quic_gurus@quicinc.com>,
        <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>
CC:     <quic_srichara@quicinc.com>, <quic_gokulsri@quicinc.com>,
        <quic_sjaganat@quicinc.com>, <quic_kathirav@quicinc.com>,
        <quic_arajkuma@quicinc.com>, <quic_anusha@quicinc.com>,
        <quic_devipriy@quicinc.com>
Subject: [PATCH V5 3/5] arm64: dts: qcom: ipq9574: Enable the download mode support
Date:   Thu, 16 Feb 2023 17:30:10 +0530
Message-ID: <20230216120012.28357-4-quic_poovendh@quicinc.com>
In-Reply-To: <20230216120012.28357-1-quic_poovendh@quicinc.com>
References: <20230216120012.28357-1-quic_poovendh@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Enable the support for download mode to collect the crashdumps if
system crashes, to debug crashes extensively.

Signed-off-by: Poovendhan Selvaraj <quic_poovendh@quicinc.com>
---
 Changes in V5:
	- No changes

 Changes in V4:
	- Dropped smem related nodes from this patch
        - Mapped the entire TCSR_REGS region and updated the offset in
	  qcom,dload-mode property
	- updated the commit message

 Changes in V3:
	- No changes

 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 3bb7435f5e7f..099948f36efc 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -81,6 +81,13 @@
 		reg = <0x0 0x40000000 0x0 0x0>;
 	};
 
+	firmware {
+		scm {
+			compatible = "qcom,scm-ipq9574", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x6100>;
+		};
+	};
+
 	pmu {
 		compatible = "arm,cortex-a73-pmu";
 		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
@@ -142,6 +149,11 @@
 			#power-domain-cells = <1>;
 		};
 
+		tcsr: syscon@1937000 {
+			compatible = "qcom,tcsr-ipq9574", "syscon";
+			reg = <0x01937000 0x21000>;
+		};
+
 		sdhc_1: mmc@7804000 {
 			compatible = "qcom,ipq9574-sdhci", "qcom,sdhci-msm-v5";
 			reg = <0x07804000 0x1000>, <0x07805000 0x1000>;
-- 
2.17.1