linux-kernel - [PATCH 4/4] arm64: dts: qcom: sa8295p-adp: Add max20411 on i2c4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230119214749.4048933-5-quic_bjorande@quicinc.com>
Date:   Thu, 19 Jan 2023 13:47:49 -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 4/4] arm64: dts: qcom: sa8295p-adp: Add max20411 on i2c4

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

The SA8295P ADP has a Maxim max20411 step-down converter on i2c4.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
---
 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 80cb18d9e481..cdb296569d46 100644
--- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
+++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
@@ -476,6 +476,31 @@ &pcie4_phy {
 	status = "okay";
 };
 
+&qup1 {
+	status = "okay";
+};
+
+&qup1_i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qup1_i2c4_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>;
+	};
+};
+
 &qup2 {
 	status = "okay";
 };
@@ -636,6 +661,14 @@ &xo_board_clk {
 
 /* PINCTRL */
 
+&pmm8540a_gpios {
+	vdd_gfx_enable_state: vdd-gfx-enable-state {
+		pins = "gpio2";
+		function = "normal";
+		output-enable;
+	};
+};
+
 &tlmm {
 	pcie2a_default: pcie2a-default-state {
 		clkreq-n-pins {
@@ -728,4 +761,12 @@ wake-n-pins {
 			bias-pull-up;
 		};
 	};
+
+	qup1_i2c4_state: qup1-i2c4-state {
+		pins = "gpio0", "gpio1";
+		function = "qup12";
+
+		drive-strength = <2>;
+		bias-pull-up;
+	};
 };
-- 
2.37.3