[PATCH v2 1/3] dt-bindings: mtd: st,stm32: add MP25 support

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Add a compatible string to support MP25 SoC.

FMC2 IP supports up to 4 chip select. On MP1 SoC, only 2 of them are
available when on MP25 SoC, the 4 chip select are available.

Signed-off-by: Christophe Kerello <christophe.kerello@xxxxxxxxxxx>
---
Changes in v2:
 - commit message has been updated.

 .../bindings/mtd/st,stm32-fmc2-nand.yaml      | 25 ++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mtd/st,stm32-fmc2-nand.yaml b/Documentation/devicetree/bindings/mtd/st,stm32-fmc2-nand.yaml
index e72cb5bacaf0..b8ef9ba88e92 100644
--- a/Documentation/devicetree/bindings/mtd/st,stm32-fmc2-nand.yaml
+++ b/Documentation/devicetree/bindings/mtd/st,stm32-fmc2-nand.yaml
@@ -14,10 +14,11 @@ properties:
     enum:
       - st,stm32mp15-fmc2
       - st,stm32mp1-fmc2-nfc
+      - st,stm32mp25-fmc2-nfc
 
   reg:
     minItems: 6
-    maxItems: 7
+    maxItems: 12
 
   interrupts:
     maxItems: 1
@@ -92,6 +93,28 @@ allOf:
             - description: Chip select 1 command
             - description: Chip select 1 address space
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: st,stm32mp25-fmc2-nfc
+    then:
+      properties:
+        reg:
+          items:
+            - description: Chip select 0 data
+            - description: Chip select 0 command
+            - description: Chip select 0 address space
+            - description: Chip select 1 data
+            - description: Chip select 1 command
+            - description: Chip select 1 address space
+            - description: Chip select 2 data
+            - description: Chip select 2 command
+            - description: Chip select 2 address space
+            - description: Chip select 3 data
+            - description: Chip select 3 command
+            - description: Chip select 3 address space
+
 required:
   - compatible
   - reg
-- 
2.25.1





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