linux-kernel - Re: [PATCH v1 1/2] dt-bindings: backlight: gpio-backlight: allow multiple GPIOs

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Message-ID: <aW5CywUjbr6eCPI_@aspen.lan>
Date: Mon, 19 Jan 2026 14:42:19 +0000
From: Daniel Thompson <daniel@...cstar.com>
To: tessolveupstream@...il.com
Cc: lee@...nel.org, danielt@...nel.org, jingoohan1@...il.com, deller@....de,
	pavel@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, dri-devel@...ts.freedesktop.org,
	linux-fbdev@...r.kernel.org, linux-leds@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: backlight: gpio-backlight: allow
 multiple GPIOs

On Sun, Jan 18, 2026 at 10:18:32PM +0530, tessolveupstream@...il.com wrote:
> On 14-01-2026 21:23, Daniel Thompson wrote:
> > On Tue, Jan 13, 2026 at 10:15:53AM +0530, tessolveupstream@...il.com wrote:
> diff --git a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml
> index 1483ce4a3480..82698519daff 100644
> --- a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml
> +++ b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml
> @@ -16,9 +16,11 @@ properties:
>      const: gpio-backlight
>
>    gpios:
> -    description: The gpio that is used for enabling/disabling the backlight.
> +    description: |
> +      The gpio that is used for enabling/disabling the backlight.
> +      Multiple GPIOs can be specified for panels that require several
> +      enable signals.
>      minItems: 1
> -    maxItems: 2
>
>    default-on:
>      description: enable the backlight at boot.
>
> Does this approach work for you?

I think so... but I'd rather just review a v2 patch than this kind of
meta-patch.


Daniel.