linux-kernel - [PATCH] arm64: dts: qcom: sm8650: Enable download mode register write

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Date: Fri, 17 May 2024 01:05:33 +0530
From: Mukesh Ojha <quic_mojha@...cinc.com>
To: <andersson@...nel.org>, <konrad.dybcio@...aro.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <robh@...nel.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] arm64: dts: qcom: sm8650: Enable download mode register write

Enable download mode setting for sm8650 which can help collect
ramdump for this SoC.

Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sm8650.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index 62a6e77730bc..eb0f20160822 100644
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -371,6 +371,7 @@
 	firmware {
 		scm: scm {
 			compatible = "qcom,scm-sm8650", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x19000>;
 			interconnects = <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS
 					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
 		};
-- 
2.7.4