nWKRQ supports an output voltage of either the internal reference voltage
(3.6V) or the reference voltage of the digital interface 0 - 6V.
Add the devicetree option ti,nwkrq-voltage-sel to be able to select
between them.
Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
---
Documentation/devicetree/bindings/net/can/tcan4x5x.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
index 20c0572c9853424e1d104cbf75d02094a54836c3..f6f8b9e44c0c8dab09a0b7e3bc17d4230fcefab7 100644
--- a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
+++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
@@ -23,6 +23,12 @@ required property details.
Optional properties:
- reset-gpios: Hardwired output GPIO. If not defined then software
reset.
+ - ti,nwkrq-voltage-sel: nWKRQ Pin GPO buffer voltage rail configuration.
+ The option of this properties will tell which
+ voltage rail is used for the nWKRQ Pin.
+ Valid values are 0 and 1.
+ 0: Internal voltage rail
+ 1: VIO voltage rail
- device-state-gpios: Input GPIO that indicates if the device is in
a sleep state or if the device is active. Not
available with tcan4552/4553.
@@ -44,5 +50,6 @@ tcan4x5x: tcan4x5x@0 {
device-state-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
device-wake-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+ ti,nwkrq-voltage-sel = /bits/ 8 <0>;
wakeup-source;
};
--
2.46.2
