linux-kernel - [PATCH 2/2] arm64: dts: qcom: qcs6490-rb3gen2: Configure onboard LEDs

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Message-Id: <20241004-rb3gen2-leds-v1-2-437cdbb4f6c0@oss.qualcomm.com>
Date: Fri, 04 Oct 2024 20:33:43 -0700
From: Bjorn Andersson <bjorn.andersson@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@....qualcomm.com>,
        Konrad Dybcio <quic_kdybcio@...cinc.com>
Subject: [PATCH 2/2] arm64: dts: qcom: qcs6490-rb3gen2: Configure onboard
 LEDs

From: Konrad Dybcio <quic_kdybcio@...cinc.com>

RB3 Gen2 has a trio of LEDs connected to the PM8350C's Light Pulse
Generator. Describe them.

Use the "red channel" as a panic indicator by default.

Signed-off-by: Konrad Dybcio <quic_kdybcio@...cinc.com>
[bjorn: Corrected colors]
Signed-off-by: Bjorn Andersson <bjorn.andersson@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 41 ++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 0d45662b8028..78f116ca5f45 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -9,6 +9,7 @@
 #define PM7250B_SID 8
 #define PM7250B_SID1 9
 
+#include <dt-bindings/leds/common.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 #include "sc7280.dtsi"
 #include "pm7250b.dtsi"
@@ -684,6 +685,46 @@ &mdss_edp_phy {
 	status = "okay";
 };
 
+&pm8350c_pwm {
+	nvmem = <&pmk8350_sdam_21>,
+		<&pmk8350_sdam_22>;
+	nvmem-names = "lpg_chan_sdam",
+		      "lut_sdam";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	status = "okay";
+
+	led@1 {
+		reg = <1>;
+		color = <LED_COLOR_ID_GREEN>;
+		function = LED_FUNCTION_INDICATOR;
+		function-enumerator = <3>;
+		linux,default-trigger = "none";
+		default-state = "off";
+		panic-indicator;
+	};
+
+	led@2 {
+		reg = <2>;
+		color = <LED_COLOR_ID_GREEN>;
+		function = LED_FUNCTION_INDICATOR;
+		function-enumerator = <2>;
+		linux,default-trigger = "none";
+		default-state = "off";
+	};
+
+	led@3 {
+		reg = <3>;
+		color = <LED_COLOR_ID_GREEN>;
+		function = LED_FUNCTION_INDICATOR;
+		function-enumerator = <1>;
+		linux,default-trigger = "none";
+		default-state = "off";
+	};
+};
+
 &pmk8350_rtc {
 	status = "okay";
 };

-- 
2.45.2