linux-kernel - [PATCH v2 3/3] arm64: dts: qcom: sa8295p-adp: Add max20411 on i2c12

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Date:   Tue, 24 Jan 2023 10:44:40 -0800
From:   Bjorn Andersson <quic_bjorande@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
CC:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>
Subject: [PATCH v2 3/3] arm64: dts: qcom: sa8295p-adp: Add max20411 on i2c12

From: Bjorn Andersson <bjorn.andersson@...aro.org>

The SA8295P ADP has a Maxim max20411 step-down converter on i2c12.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
---

Changes since v1:
- i2c node had changed name

 arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 41 ++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
index bb4270e8f551..642000d95812 100644
--- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
+++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
@@ -266,6 +266,27 @@ &dispcc1 {
 	status = "okay";
 };
 
+&i2c12 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c12_state>;
+
+	status = "okay";
+
+	vdd_gfx: regulator@39 {
+		compatible = "maxim,max20411";
+		reg = <0x39>;
+
+		regulator-name = "vdd_gfx";
+		regulator-min-microvolt = <800000>;
+		regulator-max-microvolt = <968750>;
+
+		enable-gpios = <&pmm8540a_gpios 2 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&vdd_gfx_enable_state>;
+	};
+};
+
 &mdss0 {
 	status = "okay";
 };
@@ -476,6 +497,10 @@ &pcie4_phy {
 	status = "okay";
 };
 
+&qup1 {
+	status = "okay";
+};
+
 &qup2 {
 	status = "okay";
 };
@@ -636,7 +661,23 @@ &xo_board_clk {
 
 /* PINCTRL */
 
+&pmm8540a_gpios {
+	vdd_gfx_enable_state: vdd-gfx-enable-state {
+		pins = "gpio2";
+		function = "normal";
+		output-enable;
+	};
+};
+
 &tlmm {
+	i2c12_state: i2c12-state {
+		pins = "gpio0", "gpio1";
+		function = "qup12";
+
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
 	pcie2a_default: pcie2a-default-state {
 		clkreq-n-pins {
 			pins = "gpio142";
-- 
2.25.1