[PATCH v2 1/2] dt-bindings: pwm: Allow decimal format in addition to hex format

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Mon Nov 21 06:40:00 PST 2022


On Mon, Nov 21, 2022 at 01:55:24PM +0200, Tony Lindgren wrote:
> Let's allow node numbering in decimal format too.
> 
> Simple human-readable increments/IDs are usually decimal, hex is only for
> addresses as noted by Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>.
> 
> Cc: Thierry Reding <thierry.reding at gmail.com>
> Cc: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Signed-off-by: Tony Lindgren <tony at atomide.com>
> ---
>  Documentation/devicetree/bindings/pwm/pwm.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm.yaml b/Documentation/devicetree/bindings/pwm/pwm.yaml
> --- a/Documentation/devicetree/bindings/pwm/pwm.yaml
> +++ b/Documentation/devicetree/bindings/pwm/pwm.yaml
> @@ -13,7 +13,7 @@ select: false
>  
>  properties:
>    $nodename:
> -    pattern: "^pwm(@.*|-[0-9a-f])*$"
> +    pattern: "^pwm(@.*|-([0-9a-f]|1[0-5]))*$"

I wonder why you don't make this:

+    pattern: "^pwm(@.*|-[0-9a-f]*)$"

Is there a use case to match

	pwm-1-2-3-4-5

?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |
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