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Date:   Sun,  7 Apr 2019 17:58:40 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Pascal PAILLET-LME <p.paillet@...com>,
        Coly Li <colyli@...e.de>, Lee Jones <lee.jones@...aro.org>,
        Xiaotong Lu <xiaotong.lu@...eadtrum.com>,
        Brian Masney <masneyb@...tation.org>,
        Rob Herring <robh@...nel.org>,
        Baolin Wang <baolin.wang@...aro.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        linux-arm-msm@...r.kernel.org (open list:ARM/QUALCOMM SUPPORT),
        linux-input@...r.kernel.org (open list:INPUT (KEYBOARD, MOUSE, JOYSTICK
        , TOUCHSCREEN)...),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list),
        Luca Weiss <luca@...tu.xyz>
Subject: [PATCH v2 1/3] dt-bindings: input: add GPIO controllable vibrator

Provide a simple driver for GPIO controllable vibrators.
It will be used by the Fairphone 2.

Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
Changes from v1:
- Mark vcc-supply as optional

 .../bindings/input/gpio-vibrator.txt          | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/gpio-vibrator.txt

diff --git a/Documentation/devicetree/bindings/input/gpio-vibrator.txt b/Documentation/devicetree/bindings/input/gpio-vibrator.txt
new file mode 100644
index 000000000000..93e5a8e7622d
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/gpio-vibrator.txt
@@ -0,0 +1,20 @@
+* GPIO vibrator device tree bindings
+
+Registers a GPIO device as vibrator, where the vibration motor just has the
+capability to turn on or off. If the device is connected to a pwm, you should
+use the pwm-vibrator driver instead.
+
+Required properties:
+- compatible: should contain "gpio-vibrator"
+- enable-gpios: Should contain a GPIO handle
+
+Optional properties:
+- vcc-supply: Phandle for the regulator supplying power
+
+Example from Fairphone 2:
+
+vibrator {
+	compatible = "gpio-vibrator";
+	enable-gpios = <&msmgpio 86 GPIO_ACTIVE_HIGH>;
+	vcc-supply = <&pm8941_l18>;
+};
-- 
2.21.0

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