[PATCH net-next v3 1/3] dt-bindings: net: dwmac: Increase 'maxItems' for 'interrupts' and 'interrupt-names'

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From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Increase the `maxItems` value for the `interrupts` and `interrupt-names`
properties to 11 to support additional per-channel Tx/Rx completion
interrupts on the Renesas RZ/V2H(P) SoC, which features the
`snps,dwmac-5.20` IP.

Refactor the `interrupt-names` property by replacing repeated `enum`
entries with a `oneOf` list. Add support for per-channel receive and
transmit completion interrupts using regex patterns.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
Note, for adding constraints to vendor bindings patch [0] has been sent
out seprately.

[0] https://lore.kernel.org/all/20250309003301.1152228-1-prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx/

v2->v3
- Dropped adding `additionalItems`
- Moved interrupts description into interrupt-names
- Replaced enum with a oneOf and added Rx/Tx regex patterns

v1->v2
- No change
---
 .../devicetree/bindings/net/snps,dwmac.yaml   | 24 ++++++++++++-------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 78b3030dc56d..bacec6e6514b 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -114,19 +114,25 @@ properties:
 
   interrupts:
     minItems: 1
-    items:
-      - description: Combined signal for various interrupt events
-      - description: The interrupt to manage the remote wake-up packet detection
-      - description: The interrupt that occurs when Rx exits the LPI state
-      - description: The interrupt that occurs when HW safety error triggered
+    maxItems: 11
 
   interrupt-names:
     minItems: 1
+    maxItems: 26
     items:
-      - const: macirq
-      - enum: [eth_wake_irq, eth_lpi, sfty]
-      - enum: [eth_wake_irq, eth_lpi, sfty]
-      - enum: [eth_wake_irq, eth_lpi, sfty]
+      oneOf:
+        - description: Combined signal for various interrupt events
+          const: macirq
+        - description: The interrupt to manage the remote wake-up packet detection
+          const: eth_wake_irq
+        - description: The interrupt that occurs when Rx exits the LPI state
+          const: eth_lpi
+        - description: The interrupt that occurs when HW safety error triggered
+          const: sfty
+        - description: Per channel receive completion interrupt
+          pattern: '^rx-queue-[0-3]$'
+        - description: Per channel transmit completion interrupt
+          pattern: '^tx-queue-[0-3]$'
 
   clocks:
     minItems: 1
-- 
2.43.0





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