[PATCH phy 13/14] dt-bindings: phy: lynx-28g: add compatible strings per SerDes and instantiation

[Vladimir Oltean]

Going by the generic "fsl,lynx-28g" compatible string and expecting all
SerDes instantiations on all SoCs to use it was a mistake.

They all share the same register map, sure, but the number of protocol
converters and lanes which are instantiated differs in a way that isn't
detectable by software. So distinguish them by compatible strings.
At the same time, keep "fsl,lynx-28g" as backup.

Cc: Rob Herring <robh at kernel.org>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: devicetree at vger.kernel.org
Signed-off-by: Vladimir Oltean <vladimir.oltean at nxp.com>
---
 .../devicetree/bindings/phy/fsl,lynx-28g.yaml     | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/fsl,lynx-28g.yaml b/Documentation/devicetree/bindings/phy/fsl,lynx-28g.yaml
index ff9f9ca0f19c..55d773c8d0e4 100644
--- a/Documentation/devicetree/bindings/phy/fsl,lynx-28g.yaml
+++ b/Documentation/devicetree/bindings/phy/fsl,lynx-28g.yaml
@@ -11,8 +11,17 @@ maintainers:
 
 properties:
   compatible:
-    enum:
-      - fsl,lynx-28g
+    oneOf:
+      - items:
+          - const: fsl,lynx-28g
+      - items:
+          - enum:
+              - fsl,lx2160a-serdes1
+              - fsl,lx2160a-serdes2
+              - fsl,lx2160a-serdes3
+              - fsl,lx2162a-serdes1
+              - fsl,lx2162a-serdes2
+          - const: fsl,lynx-28g
 
   reg:
     maxItems: 1
@@ -33,7 +42,7 @@ examples:
       #address-cells = <2>;
       #size-cells = <2>;
       serdes_1: phy at 1ea0000 {
-        compatible = "fsl,lynx-28g";
+        compatible = "fsl,lx2160a-serdes1", "fsl,lynx-28g";
         reg = <0x0 0x1ea0000 0x0 0x1e30>;
         #phy-cells = <1>;
       };
-- 
2.34.1