On Fri, Jul 25, 2025 at 12:03:53PM +0200, Raphael Gallais-Pou wrote: > The new STMicroelectronics SoC features a display controller similar to > the one used in previous SoCs. Because there is additional registers, > it is incompatible with existing IPs. > > Add the new name to the list of compatible string. > > Signed-off-by: Raphael Gallais-Pou <raphael.gallais-...@foss.st.com> > --- > .../devicetree/bindings/display/st,stm32-ltdc.yaml | 37 > +++++++++++++++++++--- > 1 file changed, 33 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > index > d6ea4d62a2cfae26353c9f20a326a4329fed3a2f..546f57cb7a402b82e868aa05f874c65b8da19444 > 100644 > --- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > @@ -12,7 +12,9 @@ maintainers: > > properties: > compatible: > - const: st,stm32-ltdc > + enum: > + - st,stm32-ltdc > + - st,stm32mp25-ltdc > > reg: > maxItems: 1 > @@ -24,11 +26,12 @@ properties: > minItems: 1 > > clocks: > - maxItems: 1 > + minItems: 1 > + maxItems: 4 > > clock-names: > - items: > - - const: lcd > + minItems: 1 > + maxItems: 4 > > resets: > maxItems: 1 > @@ -51,6 +54,32 @@ required: > - resets > - port > > +if: > + properties: > + compatible: > + contains: > + enum: > + - st,stm32-ltdc > +then: > + properties: > + clocks: > + maxItems: 1 > + clock-names: > + maxItems: 1 > + items: > + - const: lcd > +else: > + properties: > + clocks: > + maxItems: 4 > + clock-names: > + maxItems: 4 > + items: > + - const: bus > + - const: lcd
Why can't 'lcd' be 1st so you aren't changing positions? Keep the items list at the top level and just use minItems/maxItems in the if/then schemas. > + - const: ref > + - const: lvds > + > additionalProperties: false > > examples: > > -- > 2.25.1 >
