linux-kernel - [PATCH 14/16] dt-bindings: nvmem: sfp: Add compatible binding for TA 2.1 SFPs

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Date:   Fri, 29 Apr 2022 17:26:59 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org,
        Sean Anderson <sean.anderson@...o.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 14/16] dt-bindings: nvmem: sfp: Add compatible binding for TA 2.1 SFPs

From: Sean Anderson <sean.anderson@...o.com>

Trust Architecture (TA) 2.1 devices include the LS1012A, LS1021A,
LS1043A, and LS1046A. The SFP device on TA 2.1 devices is very similar
to the SFP on TA 3.0 devices. The primary difference is a few fields in
the control register. Add a compatible string.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 .../devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml    | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
index c5d7375b840a..3b4e6e94cb81 100644
--- a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
+++ b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
@@ -18,8 +18,13 @@ allOf:
 
 properties:
   compatible:
-    enum:
-      - fsl,ls1028a-sfp
+    oneOf:
+      - description: Trust architecture 2.1 SFP
+        items:
+          - const: fsl,ls1021a-sfp
+      - description: Trust architecture 3.0 SFP
+        items:
+          - const: fsl,ls1028a-sfp
 
   reg:
     maxItems: 1
-- 
2.21.0