linux-kernel - [PATCH V2 1/4] dt-bindings: net: renesas,etheravb: Add additional clocks

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Message-Id: <20210115201953.443710-1-aford173@gmail.com>
Date:   Fri, 15 Jan 2021 14:19:48 -0600
From:   Adam Ford <aford173@...il.com>
To:     linux-renesas-soc@...r.kernel.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh@...nel.org>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V2 1/4] 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>
---
 .../devicetree/bindings/net/renesas,etheravb.yaml     | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

V2:  Change name from TXC Refclock to refclock
     The r-b and a-b notes were pulled from patchwork.

diff --git a/Documentation/devicetree/bindings/net/renesas,etheravb.yaml b/Documentation/devicetree/bindings/net/renesas,etheravb.yaml
index 244befb6402a..9f84d9c6f141 100644
--- a/Documentation/devicetree/bindings/net/renesas,etheravb.yaml
+++ b/Documentation/devicetree/bindings/net/renesas,etheravb.yaml
@@ -49,7 +49,16 @@ properties:
   interrupt-names: true
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: AVB functional clock
+      - description: Optional reference clock
+
+  clock-names:
+    items:
+      - const: fck
+      - const: refclk
 
   iommus:
     maxItems: 1
-- 
2.25.1