netdev - [PATCH V2 net-next 1/2] dt-bindings: net: bcm4908-enet: add optional TX interrupt

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Date:   Thu, 11 Mar 2021 13:35:20 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH V2 net-next 1/2] dt-bindings: net: bcm4908-enet: add optional TX interrupt

From: Rafał Miłecki <rafal@...ecki.pl>

I discovered that hardware actually supports two interrupts, one per DMA
channel (RX and TX).

Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
---
 .../bindings/net/brcm,bcm4908-enet.yaml         | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
index 79c38ea14237..2a3be0f9a1a1 100644
--- a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
@@ -22,10 +22,18 @@ properties:
     maxItems: 1
 
   interrupts:
-    description: RX interrupt
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: RX interrupt
+      - description: TX interrupt
 
   interrupt-names:
-    const: rx
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: rx
+      - const: tx
 
 required:
   - reg
@@ -43,6 +51,7 @@ examples:
         compatible = "brcm,bcm4908-enet";
         reg = <0x80002000 0x1000>;
 
-        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
-        interrupt-names = "rx";
+        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "rx", "tx";
     };
-- 
2.26.2