[PATCH v3] dt-bindings: display: st,stm32-ltdc: Document stm32mp25 compatible

From: Yannick Fertre
Date: Tue Aug 27 2024 - 10:08:53 EST


Add "st,stm32mp25-ltdc" compatible for SOC MP25. This new SOC introduce
new clocks (bus, ref & lvds). Bus clock was separated from lcd clock.
New sources are possible for lcd clock (lvds / ref).

Signed-off-by: Yannick Fertre <yannick.fertre@xxxxxxxxxxx>
---

Changes in v3: Add max/min Items fields.
'make dt_binding_check' command fails on previous patch, rework fiedls mas/min items
of properties clocks & clock-names.

Changes in v2: Rework clock property.

.../bindings/display/st,stm32-ltdc.yaml | 28 +++++++++++++++----
1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml
index d6ea4d62a2cf..940127820de3 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
@@ -24,12 +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 +53,22 @@ required:
- resets
- port

+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - st,stm32mp25-ltdc
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ else:
+ properties:
+ clocks:
+ minItems: 1
+
additionalProperties: false

examples:
--
2.34.1