diff options
| author | Paul Geurts <paul.geurts@prodrive-technologies.com> | 2025-06-26 16:12:41 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-06-27 15:08:57 -0700 |
| commit | 2bee162a28fb5f1b7ad1644071b26808fc14f493 (patch) | |
| tree | 1b9c717b3d5f1a07b6b0f0ca29a8207d92fcf2fb | |
| parent | cb70b1bb73e8bca828251a1e442aa944e8da9be6 (diff) | |
dt-bindings: net/nfc: ti,trf7970a: Add ti,rx-gain-reduction-db option
Add option to reduce the RX antenna gain to be able to reduce the
sensitivity.
Signed-off-by: Paul Geurts <paul.geurts@prodrive-technologies.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250626141242.3749958-2-paul.geurts@prodrive-technologies.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml index d0332eb76ad2..5f49bd9ac5e6 100644 --- a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml +++ b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml @@ -55,6 +55,12 @@ properties: description: | Regulator for supply voltage to VIN pin + ti,rx-gain-reduction-db: + $ref: /schemas/types.yaml#/definitions/uint32 + 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]. + required: - compatible - interrupts @@ -95,5 +101,6 @@ examples: irq-status-read-quirk; en2-rf-quirk; clock-frequency = <27120000>; + ti,rx-gain-reduction-db = <15>; }; }; |