[PATCH 24/32] dt-bindings: Document kendryte,k210-fpioa bindings

[Geert Uytterhoeven]

Hi Damien, Sean,

On Mon, Nov 9, 2020 at 4:46 PM Sean Anderson <seanga2 at gmail.com> wrote:
> On 11/9/20 10:36 AM, Rob Herring wrote:
> > On Sat, Nov 07, 2020 at 05:14:12PM +0900, Damien Le Moal wrote:
> >> Document the device tree bindings for the Kendryte K210 SoC Fully
> >> Programmable IO Array (FPIOA) pinctrl driver in
> >> Documentation/devicetree/bindings/pinctrl/kendryte,k210-fpioa.yaml
> >>
> >> Signed-off-by: Damien Le Moal <damien.lemoal at wdc.com>

> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/pinctrl/kendryte,k210-fpioa.yaml

> >> +  kendryte,power-offset:
> >> +    minItems: 1
> >> +    maxItems: 1
> >> +    $ref: /schemas/types.yaml#/definitions/uint32
> >> +    description: |
> >> +      Offset of the power domain control register of the system controller.
> >
> > Sounds like you should be using power-domains binding.
>
> This is for pin power domains. E.g. pins 0-5 can be set to 1V8 or 3V3 logic levels.

Which brings to my attention the power-source property is not
documented below...

> >> +      The value should be the macro K210_SYSCTL_POWER_SEL defined in
> >> +      dt-bindings/mfd/k210-sysctl.h.
> >> +
> >> +patternProperties:
> >> +  '^.*$':
> >> +    if:
> >> +      type: object
> >> +    then:

As the driver supports e.g. bias and drive-strength, these should be
documented here, too.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

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                                -- Linus Torvalds