[PATCH v6 4/5] arm64: dts: qcom: Add PSCI SYSTEM_RESET2 types for qcm6490-idp

Elliot Berman quic_eberman at quicinc.com
Fri Oct 18 12:39:49 PDT 2024


Add nodes for the vendor-defined system resets. "bootloader" will cause
device to reboot and stop in the bootloader's fastboot mode. "edl" will
cause device to reboot into "emergency download mode", which permits
loading images via the Firehose protocol.

Co-developed-by: Shivendra Pratap <quic_spratap at quicinc.com>
Signed-off-by: Shivendra Pratap <quic_spratap at quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio at linaro.org>
Signed-off-by: Elliot Berman <quic_eberman at quicinc.com>
---
 arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 7 +++++++
 arch/arm64/boot/dts/qcom/sc7280.dtsi     | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
index a0668f767e4b..9c141244a7b2 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
@@ -617,6 +617,13 @@ &pon_resin {
 	status = "okay";
 };
 
+&psci {
+	reset-types {
+		mode-bootloader = <0x10001 0x2>;
+		mode-edl = <0 0x1>;
+	};
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 3d8410683402..5360d0e51a65 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -850,7 +850,7 @@ pmu {
 		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
 	};
 
-	psci {
+	psci: psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
 

-- 
2.34.1




More information about the linux-arm-kernel mailing list