Add option to reduce the RX antenna gain to be able to reduce the
sensitivity.
Signed-off-by: Paul Geurts <paul_geurts@xxxxxxx>
---
Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
index d0332eb76ad2..bbd045f6cf04 100644
--- a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
+++ b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
@@ -55,6 +55,11 @@ properties:
description: |
Regulator for supply voltage to VIN pin
+ rx-gain-reduction:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Specify a RX gain reduction to reduce antenna sensitivity.
+
required:
- compatible
- interrupts
@@ -95,5 +100,6 @@ examples:
irq-status-read-quirk;
en2-rf-quirk;
clock-frequency = <27120000>;
+ rx-gain-reduction = <3>;
};
};
--
2.20.1
