On Wed, Oct 11, 2023 at 08:34:29AM +0200, Javier Martinez Canillas wrote: > Conor Dooley <conor@xxxxxxxxxx> writes: > >> + # Only required for SPI > >> + dc-gpios: > >> + description: > >> + GPIO connected to the controller's D/C# (Data/Command) pin, > >> + that is needed for 4-wire SPI to tell the controller if the > >> + data sent is for a command register or the display data RAM > >> + maxItems: 1 > >> + > >> + solomon,height: > >> + $ref: /schemas/types.yaml#/definitions/uint32 > >> + description: > >> + Height in pixel of the screen driven by the controller. > >> + The default value is controller-dependent. > > > > You probably know better than me, operating in drm stuff, but are there > > really no generic properties for the weidth/height of a display? > > > > There are some common properties, such as the width-mm and height-mm for > the panel-common: > > Documentation/devicetree/bindings/display/panel/panel-common.yaml > > But those are to describe the physical area expressed in millimeters and > the Solomon drivers (the old ssd1307fb fbdev driver and the new ssd130x > DRM driver for backward compatibility with existing DTB) express the width > and height in pixels. > > That's why are Solomon controller specific properties "solomon,width" and > "solomon,height". Okay. Thanks for the explanation.
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