On Wed, Feb 13, 2019 at 02:43:25PM +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <[email protected]>
>
> 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 <[email protected]>
> ---
> .../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.
This is implied (and may be in a parent node), so remove it.
> +- 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
Some space before tabs here.
> + 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 <devicetree/bindings/gpio/gpio.txt>.
> +
> +Example:
> +--------
> +
> + pmic: max77650@48 {
Hopefully some day this will stop.
pmic@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
>
