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dt-bindings: nfc: ti,trf7970a: Restrict the ti,rx-gain-reduction-db values

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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@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250826141736.712827-1-festevam@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Fabio Estevam 2025-08-26 11:17:36 -03:00 committed by Jakub Kicinski
parent 705609dede
commit 40fb9751cc
1 changed files with 2 additions and 1 deletions
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3
Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
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@ -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