Re: [PATCH v2] dt-bindings: display: Add Solomon SSD1351 OLED controller

[Conor Dooley <conor@kernel.org>]

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On Tue, Jun 16, 2026 at 06:27:31PM +0200, Javier Martinez Canillas wrote:
> Conor Dooley <conor@kernel.org> writes:
> 
> Hello Conor,
> 
> > On Mon, Jun 15, 2026 at 08:56:20PM +0300, Amit Barzilai wrote:
> >> Add a device tree binding for the Solomon SSD1351, a 128x128 65k-color
> >> RGB OLED display controller driven over a 4-wire SPI bus. The binding
> >> builds on the shared solomon,ssd-common.yaml properties already used by
> >> the other Solomon display controllers.
> >> 
> >> Assisted-by: Claude:claude-opus-4-8
> >> Signed-off-by: Amit Barzilai <amit.barzilai22@gmail.com>
> >> ---
> >> Changes since v1:
> >> - Drop solomon,width / solomon,height: both are deducible from the
> >>   compatible and are already declared (as optional) by the referenced
> >>   solomon,ssd-common.yaml, so a local override is unnecessary.
> >> - Drop the rotation property: it has no consumer (rotation is being removed from the driver).
> >> - Use dt-bindings/gpio/gpio.h flag defines in the example
> >>   (reset-gpios active-low, dc-gpios active-high).
> >
> > The user for this appears to be in staging. As far as I understand, the
> > policy is that we only add bindings for staging things when they move
> > out of staging.
> > Sure, this is straightforward but why should an exception be made here?
> > Are you working on moving this out of staging?
> >
> 
> 
> This DT binding was part of a series to add support for "solomon,ssd1351"
> to drivers/gpu/drm/solomon/ DRM driver. Amit only sent a v2 of the binding
> schema because he had some questions about the driver:
> 
> https://lore.kernel.org/dri-devel/87cxxqzwxn.fsf@ocarina.mail-host-address-is-not-set/
> 
> But yes, I agree that it would had been better for him to post this as a
> part of v2 (and I still expect him to do it), otherwise it is confusing.
> 
> Specially since as you pointed out, there is an existing fbdev driver for
> the same device in staging.

Right, I'll expect this to reappear in a larger patchset then that
deals with the fbdev driver and adds the drm driver.

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