linux-kernel - [PATCH 2/3] dt-bindings: phy: Add lane<n>-mode property to WIZ (SERDES wrapper)

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Date:   Mon, 9 Dec 2019 18:22:11 +0200
From:   Jyri Sarha <jsarha@...com>
To:     <kishon@...com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <robh+dt@...nel.org>
CC:     <tomi.valkeinen@...com>, <praneeth@...com>, <yamonkar@...ence.com>,
        <sjakhade@...ence.com>, <rogerq@...com>, <jsarha@...com>
Subject: [PATCH 2/3] dt-bindings: phy: Add lane<n>-mode property to WIZ (SERDES wrapper)

Add property to indicate the usage of SERDES lane controlled by the
WIZ wrapper. The wrapper configuration has some variation depending on
how each lane is going to be used.

Signed-off-by: Jyri Sarha <jsarha@...com>
---
 .../devicetree/bindings/phy/ti,phy-j721e-wiz.yaml    | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml
index 94e3b4b5ed8e..399725f65278 100644
--- a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml
@@ -97,6 +97,18 @@ patternProperties:
       Torrent SERDES should follow the bindings specified in
       Documentation/devicetree/bindings/phy/phy-cadence-dp.txt
 
+  "^lane[1-4]-mode$":
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+      - enum: [0, 1, 2, 3, 4, 5, 6]
+    description: |
+     Integer describing static lane usage for the lane indicated in
+     the property name. For Sierra there may be properties lane0 and
+     lane1, for Torrent all lane[1-4]-mode properties may be
+     there. The constants to indicate the lane usage are defined in
+     "include/dt-bindings/phy/phy.h". The lane is assumed to be unused
+     if its lane<n>-use property does not exist.
+
 required:
   - compatible
   - power-domains
-- 
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