Commit 2bee162a authored by Paul Geurts's avatar Paul Geurts Committed by Jakub Kicinski
Browse files

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: default avatarPaul Geurts <paul.geurts@prodrive-technologies.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250626141242.3749958-2-paul.geurts@prodrive-technologies.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent cb70b1bb

Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml

+7 −0
Original line number Diff line number Diff line
@@ -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>;

        };

    };