netdev - [PATCH 1/2] dt-bindings: dp83867: Add binding for LED mode configuration

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Date:   Fri, 19 Mar 2021 16:57:09 +0100
From:   Michael Tretter <m.tretter@...gutronix.de>
To:     netdev@...r.kernel.org, devicetree@...r.kernel.org
Cc:     m.tretter@...gutronix.de, kernel@...gutronix.de,
        robh+dt@...nel.org, andrew@...n.ch, hkallweit1@...il.com,
        dmurphy@...com
Subject: [PATCH 1/2] dt-bindings: dp83867: Add binding for LED mode configuration

The DP83867 supports four configurable LED pins. Describe the
multiplexing of functions to the LEDs via device tree.

Signed-off-by: Michael Tretter <m.tretter@...gutronix.de>
---
 .../devicetree/bindings/net/ti,dp83867.yaml   | 24 +++++++++++++++++++
 include/dt-bindings/net/ti-dp83867.h          | 16 +++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.yaml b/Documentation/devicetree/bindings/net/ti,dp83867.yaml
index 047d757e8d82..d09e1cf42462 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.yaml
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.yaml
@@ -106,6 +106,30 @@ properties:
       Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h for applicable
       values.
 
+  ti,dp83867-led-mode-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description: |
+      A list of led name strings sorted in the same order as the
+      ti,dp83867-led-modes property.
+    items:
+      anyOf:
+        items:
+          - const: led-0
+          - const: led-1
+          - const: led-2
+          - const: led-gpio
+    maxItems: 4
+
+  ti,dp83867-led-modes:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      The DP83867 supports four configurable LED pins. Several functions can
+      be multiplexed onto the LEDs for different modes of operation.
+
+      Must contain an entry for each entry in ti,dp83867-led-mode-names.
+      See dt-bindings/net/ti-dp83867.h for applicable values.
+    maxItems: 4
+
 required:
   - reg
 
diff --git a/include/dt-bindings/net/ti-dp83867.h b/include/dt-bindings/net/ti-dp83867.h
index 6fc4b445d3a1..fc3891f37fd1 100644
--- a/include/dt-bindings/net/ti-dp83867.h
+++ b/include/dt-bindings/net/ti-dp83867.h
@@ -50,4 +50,20 @@
 #define DP83867_CLK_O_SEL_REF_CLK		0xC
 /* Special flag to indicate clock should be off */
 #define DP83867_CLK_O_SEL_OFF			0xFFFFFFFF
+
+/* LED configuration */
+#define DP83867_LED_LINK_EST			0x0
+#define DP83867_LED_RX_TX_ACT			0x1
+#define DP83867_LED_TX_ACT			0x2
+#define DP83867_LED_RX_ACT			0x3
+#define DP83867_LED_COLLISION_DET		0x4
+#define DP83867_LED_1000_BT_LINK		0x5
+#define DP83867_LED_100_BT_LINK			0x6
+#define DP83867_LED_10_BT_LINK			0x7
+#define DP83867_LED_10_100_BT_LINK		0x8
+#define DP83867_LED_100_1000_BT_LINK		0x9
+#define DP83867_LED_FULL_DUPLEX			0xa
+#define DP83867_LED_LINK_EST_RX_TX_ACT		0xb
+#define DP83867_LED_RX_TX_ERR			0xd
+#define DP83867_LED_RX_ERR			0xe
 #endif
-- 
2.29.2