linux-kernel - [PATCH 1/5] arm64: dts: qcom: qrb4210-rb2: Describe fixed regulators

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Message-Id: <20230515-topic-rb2-bits-v1-1-a52d154a639d@linaro.org>
Date:   Mon, 15 May 2023 15:04:12 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 1/5] arm64: dts: qcom: qrb4210-rb2: Describe fixed
 regulators

The board hosts a whole lot of fixed regulators. Describe them.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 77 +++++++++++++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
index 7843495b0076..80c6b59c8ff6 100644
--- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
@@ -19,11 +19,86 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
-	vph_pwr: vph-pwr-regulator {
+	vreg_hdmi_out_1p2: regulator-hdmi-out-1p2 {
+		compatible = "regulator-fixed";
+		regulator-name = "VREG_HDMI_OUT_1P2";
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+		vin-supply = <&vdc_1v2>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	lt9611_3v3: regulator-lt9611-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "LT9611_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vdc_3v3>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* Main barrel jack input */
+	vdc_12v: regulator-vdc-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_12V";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* 1.2V supply stepped down from the barrel jack input */
+	vdc_1v2: regulator-vdc-1v2 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDC_1V2";
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+		vin-supply = <&vdc_12v>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* 3.3V supply stepped down from the barrel jack input */
+	vdc_3v3: regulator-vdc-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vdc_12v>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* 5V supply stepped down from the barrel jack input */
+	vdc_5v: regulator-vdc-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "VDC_5V";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* "Battery" voltage for the SoM, stepped down from the barrel jack input */
+	vdc_vbat_som: regulator-vdc-vbat {
+		compatible = "regulator-fixed";
+		regulator-name = "VBAT_SOM";
+		regulator-min-microvolt = <4200000>;
+		regulator-max-microvolt = <4200000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* PMI632 charger out, supplied by VBAT */
+	vph_pwr: regulator-vph-pwr {
 		compatible = "regulator-fixed";
 		regulator-name = "vph_pwr";
 		regulator-min-microvolt = <3700000>;
 		regulator-max-microvolt = <3700000>;
+		vin-supply = <&vdc_vbat_som>;
 
 		regulator-always-on;
 		regulator-boot-on;

-- 
2.40.1