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Message-ID: <20240827140455.115182-1-yannick.fertre@foss.st.com>
Date: Tue, 27 Aug 2024 16:04:55 +0200
From: Yannick Fertre <yannick.fertre@...s.st.com>
To: Yannick Fertre <yannick.fertre@...s.st.com>,
        Raphael Gallais-Pou
	<raphael.gallais-pou@...s.st.com>,
        Philippe Cornu
	<philippe.cornu@...s.st.com>,
        David Airlie <airlied@...il.com>, Daniel Vetter
	<daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v3] dt-bindings: display: st,stm32-ltdc: Document stm32mp25 compatible

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@...s.st.com>
---

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


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