On 28/08/2023 12:36, Krzysztof Kozlowski wrote:
> On 28/08/2023 12:26, Tomer Maimon wrote:
>> Hi Krzysztof,
>>
>> Thanks for your comments
>>
>> On Mon, 28 Aug 2023 at 10:10, Krzysztof Kozlowski
>> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>>>
>>> On 27/08/2023 22:36, Tomer Maimon wrote:
>>>> Added device tree binding documentation for Nuvoton Arbel BMC NPCM8XX
>>>> pinmux and GPIO controller.
>>>>
>>>> Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx>
>>>> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
>>>> ---
>>>
>>>
>>>> + '^pin':
>>>> + $ref: pincfg-node.yaml#
>>>> +
>>>> + properties:
>>>> + pins:
>>>> + description:
>>>> + A list of pins to configure in certain ways, such as enabling
>>>> + debouncing
>>>
>>> What pin names are allowed?
>> Do you mean to describe all the allowed pin items?
>> for example:
>> items:
>> pattern:
>> 'GPIO0/IOX1_DI/SMB6C_SDA/SMB18_SDA|GPIO1/IOX1_LD/SMB6C_SCL/SMB18_SCL'
>> or
>> items:
>> pattern: '^GPIO([0-9]|[0-9][0-9]|[1-2][0-4][0-9]|25[0-6])$'
>>
>> is good enough?
>
> Something like this. Whichever is correct.
>
>>>
>>>> +
>>>> + bias-disable: true
>>>> +
>
>>>> +additionalProperties: false
>>>> +
>>>> +examples:
>>>> + - |
>>>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
>>>> + #include <dt-bindings/gpio/gpio.h>
>>>> +
>>>> + soc {
>>>> + #address-cells = <2>;
>>>> + #size-cells = <2>;
>>>> +
>>>> + pinctrl: pinctrl@f0800260 {
>>>
>>> Nothing improved here. Test your DTS. This is being reported - I checked.
>> what do you suggest since the pinctrl doesn't have a reg parameter,
>> maybe pinctrl: pinctrl@0?
>
> It has ranges, so yes @0 looks correct here.
Wait, your address according to ranges is 0xf0010000, not 0x0, not
0xf0800260...
> Which leds to second
> question - how pinctrl could have @0? It's already taken by SoC! So your
> DTS here - unit address and ranges - are clearly wrong.
>
>
>> BTW, I have run both dt_binding_check and W=1 dtbs_check, and didn't
>> see an issue related to the pinctrl: pinctrl@f0800260, do I need to
>> add another flag to see the issue?
>
> Did you read my message last time? I said - it's about DTS, not the binding.
Best regards,
Krzysztof
