linux-kernel - [PATCH 1/3] ARM: dts: imx6ul-14x14-evk: Add sensors' GPIO regulator

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Message-Id: <1571906920-29966-1-git-send-email-Anson.Huang@nxp.com>
Date:   Thu, 24 Oct 2019 16:48:38 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 1/3] ARM: dts: imx6ul-14x14-evk: Add sensors' GPIO regulator

On i.MX6UL 14x14 EVK board, sensors' power are controlled
by GPIO5_IO02, add GPIO regulator for sensors to manage
their power.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 arch/arm/boot/dts/imx6ul-14x14-evk.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
index c2a9dd5..4074570 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
@@ -30,6 +30,16 @@
 		enable-active-high;
 	};
 
+	reg_sensors: regulator-sensors {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_sensors_reg>;
+		regulator-name = "sensors-supply";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio5 2 GPIO_ACTIVE_LOW>;
+	};
+
 	reg_can_3v3: regulator-can-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "can-3v3";
@@ -448,6 +458,12 @@
 		>;
 	};
 
+	pinctrl_sensors_reg: sensorsreggrp {
+		fsl,pins = <
+			MX6UL_PAD_SNVS_TAMPER2__GPIO5_IO02	0x1b0b0
+		>;
+	};
+
 	pinctrl_pwm1: pwm1grp {
 		fsl,pins = <
 			MX6UL_PAD_GPIO1_IO08__PWM1_OUT   0x110b0
-- 
2.7.4