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Date: Fri, 19 Apr 2024 17:35:17 +0200
From: Josua Mayer <josua@...id-run.com>
To: Michael Hennerich <michael.hennerich@...log.com>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Alexandru Tachici <alexandru.tachici@...log.com>, 
 Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, 
 Russell King <linux@...linux.org.uk>
Cc: Jon Nettleton <jon@...id-run.com>, 
 Yazan Shhady <yazan.shhady@...id-run.com>, netdev@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Josua Mayer <josua@...id-run.com>
Subject: [PATCH net-next 1/2] dt-bindings: net: adin: add pin polarity
 properties for LED_0, LINK_ST

ADIN1300 supports software control over pin polarity for both LED_0 and
LINK_ST pins.

Add new properties to set pin polarity:

- adi,led-polarity:
  LED_0 is used as hardware configuration signal during reset.
  Depending on external voltage on the line default value is either
  active-high  (0) or active-low (1).
- adi,link-st-polarity:
  LINK_ST is always active-high (0) after reset.

Signed-off-by: Josua Mayer <josua@...id-run.com>
---
 Documentation/devicetree/bindings/net/adi,adin.yaml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml
index 929cf8c0b0fd..ff9262dc69f9 100644
--- a/Documentation/devicetree/bindings/net/adi,adin.yaml
+++ b/Documentation/devicetree/bindings/net/adi,adin.yaml
@@ -52,6 +52,24 @@ properties:
     description: Enable 25MHz reference clock output on CLK25_REF pin.
     type: boolean
 
+  adi,led-polarity:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      LED_0 pin polarity. If unspecified keep phy reset-default derived
+      from hardware configuration pins.
+    enum:
+      - 0 # active high
+      - 1 # active low
+
+  adi,link-st-polarity:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      LINK_ST pin polarity.
+    enum:
+      - 0 # active high
+      - 1 # active low
+    default: 0
+
 unevaluatedProperties: false
 
 examples:

-- 
2.35.3


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