linux-kernel - RE: [PATCH v2 1/2] dt-bindings: pinctrl: Add bindings for Intel Thunderbay pinctrl driver

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Date:   Thu, 9 Dec 2021 03:26:33 +0000
From:   "D, Lakshmi Sowjanya" <lakshmi.sowjanya.d@...el.com>
To:     Linus Walleij <linus.walleij@...aro.org>
CC:     "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "bgolaszewski@...libre.com" <bgolaszewski@...libre.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "Saha, Tamal" <tamal.saha@...el.com>,
        "N, Pandith" <pandith.n@...el.com>,
        "Demakkanavar, Kenchappa" <kenchappa.demakkanavar@...el.com>
Subject: RE: [PATCH v2 1/2] dt-bindings: pinctrl: Add bindings for Intel
 Thunderbay pinctrl driver



>-----Original Message-----
>From: Linus Walleij <linus.walleij@...aro.org>
>Sent: Thursday, December 9, 2021 7:53 AM
>To: D, Lakshmi Sowjanya <lakshmi.sowjanya.d@...el.com>
>Cc: linux-gpio@...r.kernel.org; devicetree@...r.kernel.org;
>bgolaszewski@...libre.com; linux-kernel@...r.kernel.org;
>andriy.shevchenko@...ux.intel.com; Saha, Tamal <tamal.saha@...el.com>; N,
>Pandith <pandith.n@...el.com>; Demakkanavar, Kenchappa
><kenchappa.demakkanavar@...el.com>
>Subject: Re: [PATCH v2 1/2] dt-bindings: pinctrl: Add bindings for Intel
>Thunderbay pinctrl driver
>
>Hi Lakshmi,
>
>On Wed, Dec 1, 2021 at 8:26 AM <lakshmi.sowjanya.d@...el.com> wrote:
>
>> +patternProperties:
>> +  '^gpio@[0-9a-f]*$':
>> +    type: object
>> +
>> +    description:
>> +      Child nodes can be specified to contain pin configuration information,
>> +      which can then be utilized by pinctrl client devices.
>> +      The following properties are supported.
>> +
>> +    properties:
>> +      pins:
>> +        description: |
>> +          The name(s) of the pins to be configured in the child node.
>> +          Supported pin names are "GPIO0" up to "GPIO66".
>> +
>> +      bias-disable: true
>> +
>> +      bias-pull-down: true
>> +
>> +      bias-pull-up: true
>> +
>> +      drive-strength:
>> +        description: Drive strength for the pad.
>> +        enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
>> +
>> +      bias-bus-hold:
>> +        type: boolean
>> +
>> +      input-schmitt-enable:
>> +        type: boolean
>> +
>> +      slew-rate:
>> +        description: GPIO slew rate control.
>> +                      0 - Slow
>> +                      1 - Fast
>> +        enum: [0, 1]
>> +
>> +additionalProperties: false
>
>Can't you reference
>Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
>here?
>
>Look at for example:
>Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml

I can do that. Shall add it in the next version of patchset.

Regards
Lakshmi Sowjanya D
>
>Yours,
>Linus Walleij