linux-kernel - [PATCH V4 1/2] dt-bindings: net: renesas,etheravb: Add additional clocks

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Date:   Mon, 12 Apr 2021 08:26:18 -0500
From:   Adam Ford <aford173@...il.com>
To:     netdev@...r.kernel.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH V4 1/2] dt-bindings: net: renesas,etheravb: Add additional clocks

The AVB driver assumes there is an external crystal, but it could
be clocked by other means.  In order to enable a programmable
clock, it needs to be added to the clocks list and enabled in the
driver.  Since there currently only one clock, there is no
clock-names list either.

Update bindings to add the additional optional clock, and explicitly
name both of them.

Signed-off-by: Adam Ford <aford173@...il.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
Acked-by: Rob Herring <robh@...nel.org>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@...il.com>
---
V4:  No Change
V3:  No Change
V2:  No Change

diff --git a/Documentation/devicetree/bindings/net/renesas,etheravb.yaml b/Documentation/devicetree/bindings/net/renesas,etheravb.yaml
index 91ba96d43c6c..fe72a5598add 100644
--- a/Documentation/devicetree/bindings/net/renesas,etheravb.yaml
+++ b/Documentation/devicetree/bindings/net/renesas,etheravb.yaml
@@ -50,7 +50,16 @@ properties:
   interrupt-names: true
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: AVB functional clock
+      - description: Optional TXC reference clock
+
+  clock-names:
+    items:
+      - const: fck
+      - const: refclk
 
   iommus:
     maxItems: 1
-- 
2.17.1