linux-kernel - [PATCH] dt-bindings: net: rockchip-dwmac: add default 'input' for clock_in

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Message-Id: <20230718090914.282293-1-eugen.hristev@collabora.com>
Date:   Tue, 18 Jul 2023 12:09:14 +0300
From:   Eugen Hristev <eugen.hristev@...labora.com>
To:     linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        netdev@...r.kernel.org
Cc:     david.wu@...k-chips.com, heiko@...ech.de,
        krzysztof.kozlowski+dt@...aro.org, kernel@...labora.com,
        Eugen Hristev <eugen.hristev@...labora.com>
Subject: [PATCH] dt-bindings: net: rockchip-dwmac: add default 'input' for clock_in_out

'clock_in_out' property is optional, and it can be one of two enums.
The binding does not specify what is the behavior when the property is
missing altogether.
Hence, add a default value that the driver can use.

Signed-off-by: Eugen Hristev <eugen.hristev@...labora.com>
---
 Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index 176ea5f90251..bb943c96c196 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -80,6 +80,7 @@ properties:
       "output" means GMAC provides the reference clock.
     $ref: /schemas/types.yaml#/definitions/string
     enum: [input, output]
+    default: input
 
   rockchip,grf:
     description: The phandle of the syscon node for the general register file.
-- 
2.34.1