linux-kernel - [PATCH V2 5/8] dt-bindings: input: document stpmic1 pmic onkey

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Message-ID: <1536325173-16617-6-git-send-email-p.paillet@st.com>
Date:   Fri, 7 Sep 2018 12:59:45 +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>
CC:     Pascal PAILLET-LME <p.paillet@...com>
Subject: [PATCH V2 5/8] dt-bindings: input: document stpmic1 pmic onkey

From: pascal paillet <p.paillet@...com>

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>
---
 .../devicetree/bindings/input/st,stpmic1-onkey.txt | 31 ++++++++++++++++++++++
 1 file changed, 31 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..b0db90d
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
@@ -0,0 +1,31 @@
+STMicroelectronics STPMIC1 Onkey
+
+Required properties:
+
+- compatible = "st,stpmic1-onkey";
+- interrupt-parent: phandle to the parent interrupt controller
+- 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-pwroff-enabled: power off on long key-press
+- st,onkey-long-press-seconds: long key-press duration from 1 to 16s
+  (default 16s)
+- 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
+
+Example:
+
+onkey {
+	compatible = "st,stpmic1-onkey";
+	interrupt-parent = <&pmic>;
+	interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
+	interrupt-names = "onkey-falling", "onkey-rising";
+	status = "okay";
+	st,onkey-pwroff-enabled;
+	st,onkey-long-press-seconds = <10>;
+};
-- 
1.9.1