linux-kernel - [PATCH v2 04/13] dt-bindings: gpio: add DT bindings for max77650

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Message-Id: <20190129133545.1931-6-brgl@bgdev.pl>
Date:   Tue, 29 Jan 2019 14:35:36 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-input@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-pm@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v2 04/13] dt-bindings: gpio: add DT bindings for max77650

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

Add the DT binding document for the GPIO module of max77650.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
---
 .../bindings/gpio/gpio-max77650.txt           | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/gpio-max77650.txt

diff --git a/Documentation/devicetree/bindings/gpio/gpio-max77650.txt b/Documentation/devicetree/bindings/gpio/gpio-max77650.txt
new file mode 100644
index 000000000000..b5dbbe934deb
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-max77650.txt
@@ -0,0 +1,34 @@
+GPIO driver for MAX77650 PMIC from Maxim Integrated.
+
+This module is part of the MAX77650 MFD device. For more details
+see Documentation/devicetree/bindings/mfd/max77650.txt.
+
+The GPIO controller is represented as a sub-node of the PMIC node on
+the device tree.
+
+This device has a single GPIO pin.
+
+Required properties:
+--------------------
+- compatible:		Must be "maxim,max77650-gpio"
+- gpio-controller : 	Marks the device node as a gpio controller.
+- #gpio-cells : 	Must be <2>. The first cell is the pin number and
+			the second cell is used to specify the gpio active
+			state.
+
+Optional properties:
+--------------------
+gpio-line-names:	Single string containing the name of the GPIO line.
+
+For more details, please refer to the generic GPIO DT binding document
+<devicetree/bindings/gpio/gpio.txt>.
+
+Example:
+--------
+
+	gpio {
+		compatible = "maxim,max77650-gpio";
+		gpio-line-names = "max77650-charger";
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
-- 
2.20.1