linux-kernel - [PATCH v2 3/3] ARM: dts: qcom: msm8974-hammerhead: add device tree bindings for vibrator

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Date:   Wed, 26 Sep 2018 19:51:12 -0400
From:   Brian Masney <masneyb@...tation.org>
To:     thierry.reding@...il.com, linux-pwm@...r.kernel.org,
        andy.gross@...aro.org, david.brown@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     masneyb@...tation.org, jonathan@...ek.ca, ctatlor97@...il.com
Subject: [PATCH v2 3/3] ARM: dts: qcom: msm8974-hammerhead: add device tree bindings for vibrator

This patch adds device device tree bindings for the vibrator found on
the LG Nexus 5 (hammerhead) phone.

Signed-off-by: Brian Masney <masneyb@...tation.org>
---
 .../qcom-msm8974-lge-nexus5-hammerhead.dts    | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index ed8f064d0895..e67d61f25a96 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -5,6 +5,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/clock/qcom,mmcc-msm8974.h>
 
 / {
 	model = "LGE MSM 8974 HAMMERHEAD";
@@ -268,6 +269,44 @@
 				input-enable;
 			};
 		};
+
+		vibrator_pin: vibrator {
+			pwm {
+				pins = "gpio27";
+				function = "gp1_clk";
+
+				drive-strength = <6>;
+				bias-disable;
+			};
+
+			enable {
+				pins = "gpio60";
+				function = "gpio";
+			};
+		};
+	};
+
+	msm_pwm_vibrator_enable: pwm@...c3450 {
+		compatible = "qcom,msm8974-pwm-vibrator";
+		reg = <0xfd8c3450 0x400>;
+		#pwm-cells = <3>;
+
+		vcc-supply = <&pm8941_l19>;
+
+		clocks = <&mmcc CAMSS_GP1_CLK>;
+		clock-names = "pwm";
+
+		enable-gpios = <&msmgpio 60 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&vibrator_pin>;
+	};
+
+	vibrator {
+		compatible = "pwm-vibrator";
+
+		pwms = <&msm_pwm_vibrator_enable 0 1000000000 0>;
+		pwm-names = "enable";
 	};
 
 	sdhci@...24900 {
-- 
2.17.1