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[net-next,02/22] dt-bindings: can-controller: add support for termination-gpios

Message ID 20210819133913.657715-3-mkl@pengutronix.de
State New
Headers show
Series [net-next,01/22] mailmap: update email address of Matthias Fuchs and Thomas Körper | expand

Commit Message

Marc Kleine-Budde Aug. 19, 2021, 1:38 p.m. UTC 
From: Oleksij Rempel <o.rempel@pengutronix.de>

Some boards provide GPIO controllable termination resistor. Provide
binding to make use of it.

Link: https://lore.kernel.org/r/20210818071232.20585-2-o.rempel@pengutronix.de
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 .../devicetree/bindings/net/can/can-controller.yaml      | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/net/can/can-controller.yaml b/Documentation/devicetree/bindings/net/can/can-controller.yaml
index 9cf2ae097156..1f0e98051074 100644
--- a/Documentation/devicetree/bindings/net/can/can-controller.yaml
+++ b/Documentation/devicetree/bindings/net/can/can-controller.yaml
@@ -13,6 +13,15 @@  properties:
   $nodename:
     pattern: "^can(@.*)?$"
 
+  termination-gpios:
+    description: GPIO pin to enable CAN bus termination.
+    maxItems: 1
+
+  termination-ohms:
+    description: The resistance value of the CAN bus termination resistor.
+    minimum: 1
+    maximum: 65535
+
 additionalProperties: true
 
 ...