netdev - [PATCH] dt-bindings: nfc: ti,trf7970a: Restrict the ti,rx-gain-reduction-db values

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Message-Id: <20250825161059.496903-1-festevam@gmail.com>
Date: Mon, 25 Aug 2025 13:10:59 -0300
From: Fabio Estevam <festevam@...il.com>
To: krzk@...nel.org
Cc: mgreer@...malcreek.com,
	robh@...nel.org,
	conor+dt@...nel.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	Fabio Estevam <festevam@...il.com>
Subject: [PATCH] dt-bindings: nfc: ti,trf7970a: Restrict the ti,rx-gain-reduction-db values

Instead of stating the supported values for the ti,rx-gain-reduction-db
property in free text format, add an enum entry that can help validating
the devicetree files.

Signed-off-by: Fabio Estevam <festevam@...il.com>
---
 Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
index 783a85b84893..7e96a625f0cf 100644
--- a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
+++ b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
@@ -58,7 +58,8 @@ properties:
   ti,rx-gain-reduction-db:
     description: |
       Specify an RX gain reduction to reduce antenna sensitivity with 5dB per
-      increment, with a maximum of 15dB. Supported values: [0, 5, 10, 15].
+      increment, with a maximum of 15dB.
+    enum: [ 0, 5, 10, 15]
 
 required:
   - compatible
-- 
2.34.1