linux-kernel - [PATCH 4/8] arm64: dts: qcom: msm8916-samsung-gt510: Add Vibrator

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Message-Id: <20230105123240.1089375-5-nikita@trvn.ru>
Date:   Thu,  5 Jan 2023 17:32:36 +0500
From:   Nikita Travkin <nikita@...n.ru>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Siddharth Manthan <siddharth.manthan@...il.com>,
        Jasper Korten <jja2000@...il.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Nikita Travkin <nikita@...n.ru>
Subject: [PATCH 4/8] arm64: dts: qcom: msm8916-samsung-gt510: Add Vibrator

gt510 uses a PWM controllable vibrator, that uses a general purpose
clock output for it's control. Set up the pwm, supply and the vibrator.

Signed-off-by: Nikita Travkin <nikita@...n.ru>
---
 .../boot/dts/qcom/msm8916-samsung-gt510.dts   | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts
index e9916199e5a3..44d527b3f1f6 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts
@@ -8,4 +8,51 @@ / {
 	model = "Samsung Galaxy Tab A 9.7 (2015)";
 	compatible = "samsung,gt510", "qcom,msm8916";
 	chassis-type = "tablet";
+
+	clk_pwm: pwm {
+		compatible = "clk-pwm";
+		#pwm-cells = <2>;
+
+		clocks = <&gcc GCC_GP2_CLK>;
+
+		pinctrl-0 = <&motor_pwm_default>;
+		pinctrl-names = "default";
+	};
+
+	reg_motor_vdd: regulator-motor-vdd {
+		compatible = "regulator-fixed";
+		regulator-name = "motor_vdd";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+
+		gpio = <&msmgpio 76 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&motor_en_default>;
+		pinctrl-names = "default";
+	};
+
+	vibrator {
+		compatible = "pwm-vibrator";
+
+		pwms = <&clk_pwm 0 100000>;
+		pwm-names = "enable";
+
+		vcc-supply = <&reg_motor_vdd>;
+	};
+};
+
+&msmgpio {
+	motor_en_default: motor-en-default-state {
+		pins = "gpio76";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	motor_pwm_default: motor-pwm-default-state {
+		pins = "gpio50";
+		function = "gcc_gp2_clk_a";
+	};
 };
-- 
2.38.1