Thread (27 messages) 27 messages, 4 authors, 2025-07-14

Re: [PATCH v8 03/16] dt-bindings: net: mediatek,net: allow irq names

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2025-07-07 10:12:10
Also in: linux-arm-kernel, linux-devicetree, linux-mediatek, linux-pm, lkml

Il 06/07/25 15:21, Frank Wunderlich ha scritto:
From: Frank Wunderlich <redacted>

In preparation for MT7988 and RSS/LRO allow the interrupt-names
property.
In this way driver can request the interrupts by name which is much
more readable in the driver code and SoC's dtsi than relying on a
specific order.

Frame-engine-IRQs (fe0..3):
MT7621, MT7628: 1 IRQ
MT7622, MT7623: 3 IRQs (only two used by the driver for now)
MT7981, MT7986: 4 IRQs (only two used by the driver for now)

RSS/LRO IRQs (pdma0..3) only on Filogic (MT798x) with count of 4.

Set boundaries for all compatibles same as irq count.

Signed-off-by: Frank Wunderlich <redacted>
I'm fine with that, as long as you don't break the driver's ability to keep
getting the interrupts without any interrupt-names, at least for the currently
supported interrupts.

This commit ain't touching any driver, anyway, and the change is valid IMO, so:

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
quoted hunk ↗ jump to hunk
---
v8:
   - fixed typo in mt7621 section "interrupt-namess"
   - separated interrupt count from interrupt-names
   - rephrased description a bit to explain the "why"
v7: fixed wrong rebase
v6: new patch splitted from the mt7988 changes
---
  .../devicetree/bindings/net/mediatek,net.yaml | 36 +++++++++++++++++++
  1 file changed, 36 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/mediatek,net.yaml b/Documentation/devicetree/bindings/net/mediatek,net.yaml
index 766224e4ed86..da7bda20786a 100644
--- a/Documentation/devicetree/bindings/net/mediatek,net.yaml
+++ b/Documentation/devicetree/bindings/net/mediatek,net.yaml
@@ -42,6 +42,18 @@ properties:
      minItems: 1
      maxItems: 8
  
+  interrupt-names:
+    minItems: 1
+    items:
+      - const: fe0
+      - const: fe1
+      - const: fe2
+      - const: fe3
+      - const: pdma0
+      - const: pdma1
+      - const: pdma2
+      - const: pdma3
+
    power-domains:
      maxItems: 1
  
@@ -135,6 +147,10 @@ allOf:
            minItems: 3
            maxItems: 3
  
+        interrupt-names:
+          minItems: 3
+          maxItems: 3
+
          clocks:
            minItems: 4
            maxItems: 4
@@ -166,6 +182,9 @@ allOf:
          interrupts:
            maxItems: 1
  
+        interrupt-names:
+          maxItems: 1
+
          clocks:
            minItems: 2
            maxItems: 2
@@ -192,6 +211,10 @@ allOf:
            minItems: 3
            maxItems: 3
  
+        interrupt-names:
+          minItems: 3
+          maxItems: 3
+
          clocks:
            minItems: 11
            maxItems: 11
@@ -232,6 +255,10 @@ allOf:
            minItems: 3
            maxItems: 3
  
+        interrupt-names:
+          minItems: 3
+          maxItems: 3
+
          clocks:
            minItems: 17
            maxItems: 17
@@ -274,6 +301,9 @@ allOf:
          interrupts:
            minItems: 4
  
+        interrupt-names:
+          minItems: 4
+
          clocks:
            minItems: 15
            maxItems: 15
@@ -312,6 +342,9 @@ allOf:
          interrupts:
            minItems: 4
  
+        interrupt-names:
+          minItems: 4
+
          clocks:
            minItems: 15
            maxItems: 15
@@ -350,6 +383,9 @@ allOf:
          interrupts:
            minItems: 4
  
+        interrupt-names:
+          minItems: 4
+
          clocks:
            minItems: 24
            maxItems: 24
  
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