linux-kernel - [PATCH RESEND v8 3/6] dt-bindings: input: document stpmic1 pmic onkey

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Date:   Mon, 14 Jan 2019 10:05:16 +0000
From:   Pascal PAILLET-LME <p.paillet@...com>
To:     "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "lee.jones@...aro.org" <lee.jones@...aro.org>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>,
        "benjamin.gaignard@...aro.org" <benjamin.gaignard@...aro.org>,
        "eballetbo@...il.com" <eballetbo@...il.com>,
        "axel.lin@...ics.com" <axel.lin@...ics.com>
CC:     Pascal PAILLET-LME <p.paillet@...com>
Subject: [PATCH RESEND v8 3/6] dt-bindings: input: document stpmic1 pmic onkey

The stpmic1 pmic is able to manage an onkey button. It can be configured
to shut-down the power supplies on a long key-press with an adjustable
duration.

Signed-off-by: Pascal Paillet <p.paillet@...com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
changes in v8: nothing

 .../devicetree/bindings/input/st,stpmic1-onkey.txt | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt

diff --git a/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
new file mode 100644
index 0000000..4494613
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
@@ -0,0 +1,28 @@
+STMicroelectronics STPMIC1 Onkey
+
+Required properties:
+
+- compatible = "st,stpmic1-onkey";
+- interrupts: interrupt line to use
+- interrupt-names = "onkey-falling", "onkey-rising"
+	onkey-falling: happens when onkey is pressed; IT_PONKEY_F of pmic
+	onkey-rising: happens when onkey is released; IT_PONKEY_R of pmic
+
+Optional properties:
+
+- st,onkey-clear-cc-flag: onkey is able power on after an
+  over-current shutdown event.
+- st,onkey-pu-inactive: onkey pull up is not active
+- power-off-time-sec: Duration in seconds which the key should be kept
+        pressed for device to power off automatically (from 1 to 16 seconds).
+        see See Documentation/devicetree/bindings/input/keys.txt
+
+Example:
+
+onkey {
+	compatible = "st,stpmic1-onkey";
+	interrupt-parent = <&pmic>;
+	interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
+	interrupt-names = "onkey-falling", "onkey-rising";
+	power-off-time-sec = <10>;
+};
-- 
1.9.1