From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartosz Golaszewski Subject: [PATCH v5 01/11] dt-bindings: mfd: add DT bindings for max77650 Date: Wed, 13 Feb 2019 14:43:25 +0100 Message-ID: <20190213134335.10838-2-brgl@bgdev.pl> References: <20190213134335.10838-1-brgl@bgdev.pl> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190213134335.10838-1-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Linus Walleij , Dmitry Torokhov , Jacek Anaszewski , Pavel Machek , Lee Jones , Sebastian Reichel , Liam Girdwood , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-input@vger.kernel.org, linux-leds@vger.kernel.org, linux-pm@vger.kernel.org, Bartosz Golaszewski List-Id: linux-input@vger.kernel.org From: Bartosz Golaszewski Add a DT binding document for max77650 ultra-low power PMIC. This describes the core mfd device and the GPIO module. Signed-off-by: Bartosz Golaszewski --- .../devicetree/bindings/mfd/max77650.txt | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/max77650.txt diff --git a/Documentation/devicetree/bindings/mfd/max77650.txt b/Documentation/devicetree/bindings/mfd/max77650.txt new file mode 100644 index 000000000000..0a40e9c6aab8 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max77650.txt @@ -0,0 +1,47 @@ +MAX77650 ultra low-power PMIC from Maxim Integrated. + +Required properties: +------------------- +- compatible: Must be "maxim,max77650" +- reg: I2C device address. +- interrupts: The interrupt on the parent the controller is + connected to. +- interrupt-parent: phandle of the parent interrupt controller. +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Must be <2>. + +- 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. + +The GPIO-controller module is represented as part of the top-level PMIC +node. The device exposes a single GPIO line. + +For device-tree bindings of other sub-modules (regulator, power supply, +LEDs and onkey) refer to the binding documents under the respective +sub-system directories. + +For more details on GPIO bindings, please refer to the generic GPIO DT +binding document . + +Example: +-------- + + pmic: max77650@48 { + compatible = "maxim,max77650"; + reg = <0x48>; + + interrupt-controller; + interrupt-parent = <&gpio2>; + #interrupt-cells = <2>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "max77650-charger"; + }; -- 2.20.1