netdev - [PATCH v3 1/3] dt-bindings: net: adin: document phy clock output properties

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Message-Id: <20220428082848.12191-2-josua@solid-run.com>
Date:   Thu, 28 Apr 2022 11:28:46 +0300
From:   Josua Mayer <josua@...id-run.com>
To:     netdev@...r.kernel.org
Cc:     alvaro.karsz@...id-run.com, Josua Mayer <josua@...id-run.com>,
        Andrew Lunn <andrew@...n.ch>,
        Michael Hennerich <michael.hennerich@...log.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH v3 1/3] dt-bindings: net: adin: document phy clock output properties

The ADIN1300 supports generating certain clocks on its GP_CLK pin, as
well as providing the reference clock on CLK25_REF.

Add DT properties to configure both pins.

Signed-off-by: Josua Mayer <josua@...id-run.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
V1 -> V2: changed clkout property to enum
V1 -> V2: added property for CLK25_REF pin

 .../devicetree/bindings/net/adi,adin.yaml       | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml
index 1129f2b58e98..3e0c6304f190 100644
--- a/Documentation/devicetree/bindings/net/adi,adin.yaml
+++ b/Documentation/devicetree/bindings/net/adi,adin.yaml
@@ -36,6 +36,23 @@ properties:
     enum: [ 4, 8, 12, 16, 20, 24 ]
     default: 8
 
+  adi,phy-output-clock:
+    description: Select clock output on GP_CLK pin. Three clocks are available:
+      A 25MHz reference, a free-running 125MHz and a recovered 125MHz.
+      The phy can also automatically switch between the reference and the
+      respective 125MHz clocks based on its internal state.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum:
+    - 25mhz-reference
+    - 125mhz-free-running
+    - 125mhz-recovered
+    - adaptive-free-running
+    - adaptive-recovered
+
+  adi,phy-output-reference-clock:
+    description: Enable 25MHz reference clock output on CLK25_REF pin.
+    $ref: /schemas/types.yaml#/definitions/flag
+
 unevaluatedProperties: false
 
 examples:
-- 
2.34.1