linux-kernel - [PATCH v5 1/3] dt-bindings: input: add GPIO controllable vibrator

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Date:   Fri, 26 Apr 2019 21:47:45 +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>,
        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 v5 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>
Reviewed-by: Rob Herring <robh@...nel.org>
---
Changes for v5:
- Simply compatible property definition
- Remove reference to regulator schema

 .../bindings/input/gpio-vibrator.yaml         | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/gpio-vibrator.yaml

diff --git a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
new file mode 100644
index 000000000000..903475f52dbd
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/input/gpio-vibrator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPIO vibrator
+
+maintainers:
+  - Luca Weiss <luca@...tu.xyz>
+
+description: |+
+  Registers a GPIO device as vibrator, where the on/off capability is controlled by a GPIO.
+
+properties:
+  compatible:
+    const: gpio-vibrator
+
+  enable-gpios:
+    maxItems: 1
+
+  vcc-supply:
+    description: Regulator that provides power
+
+required:
+  - compatible
+  - enable-gpios
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    vibrator {
+        compatible = "gpio-vibrator";
+        enable-gpios = <&msmgpio 86 GPIO_ACTIVE_HIGH>;
+        vcc-supply = <&pm8941_l18>;
+    };
-- 
2.21.0