Re: [PATCH v4 1/8] dt-bindings: mfd: Add retu/tahvo ASIC chips bindings

[Rob Herring <robh+dt@kernel.org>]

On Tue, Apr 4, 2017 at 10:30 AM, Javier Martinez Canillas
<javier@osg.samsung.com> wrote:
> There are Device Tree source files defining a device node for the
> retu/tahvo I2C chip, but there isn't a DT binding document for it.
>
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
>
> ---
>
> Changes in v4:
> - Use "dt-bindings: mfd:" prefix in subject line (Rob Herring).
> - Add information about what functions the device serve (Lee Jones).
> - Avoid using MFD in Device Tree (Lee Jones).
>
> Changes in v3: None
> Changes in v2: None
>
>  Documentation/devicetree/bindings/mfd/retu.txt | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/retu.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/retu.txt b/Documentation/devicetree/bindings/mfd/retu.txt
> new file mode 100644
> index 000000000000..7df21a2b28ea
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/retu.txt
> @@ -0,0 +1,21 @@
> +* Device tree bindings for Nokia Retu and Tahvo multi-function device
> +
> +Retu and Tahvo are a multi-function devices found on Nokia Internet
> +Tablets (770, N800 and N810). The Retu chip provides watchdog timer
> +and power button control functionalities while Tahvo chip provides
> +USB transceiver functionality.
> +
> +Required properties:
> +- compatible:          "nokia,retu" or "nokia,tahvo"
> +- reg:                 Specifies the I2C slave address of the ASIC chip

Missing interrupts here.

With that:

Acked-by: Rob Herring <robh@kernel.org>