netdev - [PATCH net-next 4/4] dt-bindings: net: marvell10g: Document LED polarity

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Date: Thu, 14 Dec 2023 21:14:42 +0100
From: Tobias Waldekranz <tobias@...dekranz.com>
To: davem@...emloft.net,
	kuba@...nel.org
Cc: linux@...linux.org.uk,
	kabel@...nel.org,
	andrew@...n.ch,
	hkallweit1@...il.com,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: [PATCH net-next 4/4] dt-bindings: net: marvell10g: Document LED polarity

Hardware supports multiple ways of driving attached LEDs, but this is
not configurable via any sample-at-reset pins - rather it must be set
via software.

Signed-off-by: Tobias Waldekranz <tobias@...dekranz.com>
---
 .../bindings/net/marvell,marvell10g.yaml      | 60 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/marvell,marvell10g.yaml

diff --git a/Documentation/devicetree/bindings/net/marvell,marvell10g.yaml b/Documentation/devicetree/bindings/net/marvell,marvell10g.yaml
new file mode 100644
index 000000000000..37ff7fdfdd3d
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/marvell,marvell10g.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/marvell,marvell10g.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell Alaska X 10G Ethernet PHY
+
+maintainers:
+  - Tobias Waldekranz <tobias@...dekranz.com>
+
+description: |
+  Bindings for Marvell Alaska X 10G Ethernet PHYs
+
+allOf:
+  - $ref: ethernet-phy.yaml#
+
+properties:
+  leds:
+    type: object
+
+    properties:
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      '^led@[a-f0-9]+$':
+        $ref: /schemas/leds/common.yaml#
+
+        properties:
+          marvell,polarity:
+            description: |
+              Electrical polarity and drive type for this LED. In the
+              active state, hardware may drive the pin either low or
+              high. In the inactive state, the pin can either be
+              driven to the opposite logic level, or be tristated.
+            $ref: /schemas/types.yaml#/definitions/string
+            enum:
+              - active-low
+              - active-high
+              - active-low-tristate
+              - active-high-tristate
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet-phy@0 {
+            reg = <0>;
+
+            marvell,polarity = "active-low-tristate";
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index a151988646fe..2def66789f9d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12849,6 +12849,7 @@ M:	Russell King <linux@...linux.org.uk>
 M:	Marek Behún <kabel@...nel.org>
 L:	netdev@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/net/marvell,marvell10g.yaml
 F:	drivers/net/phy/marvell10g.c
 
 MARVELL MVEBU THERMAL DRIVER
-- 
2.34.1