linux-kernel - [PATCH] ARM: dts: qcom: pm8226: Add VADC node

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Message-Id: <20220207174933.20909-1-rayyan@ansari.sh>
Date:   Mon,  7 Feb 2022 17:49:33 +0000
From:   Rayyan Ansari <rayyan@...ari.sh>
To:     linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Rayyan Ansari <rayyan@...ari.sh>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: qcom: pm8226: Add VADC node

Add a node for the voltage ADC (VADC) found in PM8226.

Signed-off-by: Rayyan Ansari <rayyan@...ari.sh>
---
 arch/arm/boot/dts/qcom-pm8226.dtsi | 33 ++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-pm8226.dtsi b/arch/arm/boot/dts/qcom-pm8226.dtsi
index b3d0f7b5874d..a651b4c941b8 100644
--- a/arch/arm/boot/dts/qcom-pm8226.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8226.dtsi
@@ -40,6 +40,39 @@ smbb: charger@...0 {
 			chg_otg: otg-vbus { };
 		};
 
+		pm8226_vadc: adc@...0 {
+			compatible = "qcom,spmi-vadc";
+			reg = <0x3100>;
+			interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#io-channel-cells = <1>;
+
+			adc-chan@7 {
+				reg = <VADC_VSYS>;
+				qcom,pre-scaling = <1 3>;
+				label = "vph_pwr";
+			};
+			adc-chan@8 {
+				reg = <VADC_DIE_TEMP>;
+				label = "die_temp";
+			};
+			adc-chan@9 {
+				reg = <VADC_REF_625MV>;
+				label = "ref_625mv";
+			};
+			adc-chan@a {
+				reg = <VADC_REF_1250MV>;
+				label = "ref_1250mv";
+			};
+			adc-chan@e {
+				reg = <VADC_GND_REF>;
+			};
+			adc-chan@f {
+				reg = <VADC_VDD_VADC>;
+			};
+		};
+
 		pm8226_mpps: mpps@...0 {
 			compatible = "qcom,pm8226-mpp", "qcom,spmi-mpp";
 			reg = <0xa000>;
-- 
2.34.1