linux-kernel - [PATCH can-next v3 1/2] dt-bindings: can: tcan4x5x: Document the ti,nwkrq-voltage-vio option

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Message-Id: <20241112-tcan-wkrqv-v3-1-c66423fba26d@geanix.com>
Date: Tue, 12 Nov 2024 15:39:39 +0100
From: Sean Nyekjaer <sean@...nix.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-can@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Sean Nyekjaer <sean@...nix.com>
Subject: [PATCH can-next v3 1/2] dt-bindings: can: tcan4x5x: Document the
 ti,nwkrq-voltage-vio option

nWKRQ 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.

Signed-off-by: Sean Nyekjaer <sean@...nix.com>
---
 Documentation/devicetree/bindings/net/can/ti,tcan4x5x.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/ti,tcan4x5x.yaml b/Documentation/devicetree/bindings/net/can/ti,tcan4x5x.yaml
index f1d18a5461e05296998ae9bf09bdfa1226580131..ff18cf7393550d1b7107b1233d8302203026579d 100644
--- a/Documentation/devicetree/bindings/net/can/ti,tcan4x5x.yaml
+++ b/Documentation/devicetree/bindings/net/can/ti,tcan4x5x.yaml
@@ -106,6 +106,13 @@ 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:
@@ -157,6 +164,7 @@ 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;
         };
     };

-- 
2.46.2