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dt-bindings: can: tcan4x5x: Document the ti,nwkrq-voltage-vio option

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The nWKRQ pin supports an output voltage of either the internal reference
voltage (3.6V) or the reference voltage of
the digital interface 0-6V (VIO).
Add the devicetree option ti,nwkrq-voltage-vio to set it to VIO.

If this property is omitted the reset default, the internal reference
voltage, is used.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://patch.msgid.link/20241114-tcan-wkrqv-v5-1-a2d50833ed71@geanix.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Sean Nyekjaer 2024-11-14 10:14:49 +01:00 committed by Marc Kleine-Budde
parent 79195755cd
commit 6495567981
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/net/can/ti,tcan4x5x.yaml
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@ -110,6 +110,13 @@ properties:
Must be half or less of "clocks" frequency.
maximum: 18000000
ti,nwkrq-voltage-vio:
type: boolean
description:
nWKRQ Pin GPO buffer voltage configuration.
Set nWKRQ to use VIO voltage rail.
When not set nWKRQ will use internal voltage rail.
wakeup-source:
$ref: /schemas/types.yaml#/definitions/flag
description:
@ -163,6 +170,7 @@ examples:
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-vio;
wakeup-source;
};
};