netdev - [PATCH net-next 2/9] dt-bindings: can: tcan4x5x: Document the wakeup-source flag

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Message-ID: <20240220085130.2936533-3-mkl@pengutronix.de>
Date: Tue, 20 Feb 2024 09:46:04 +0100
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
	kuba@...nel.org,
	linux-can@...r.kernel.org,
	kernel@...gutronix.de,
	Martin Hundebøll <martin@...nix.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 2/9] dt-bindings: can: tcan4x5x: Document the wakeup-source flag

From: Martin Hundebøll <martin@...nix.com>

Let it be known that the tcan4x5x device can now be configured to wake
the host from suspend when a can frame is received.

Signed-off-by: Martin Hundebøll <martin@...nix.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
[mkl: make first the first patch]
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 Documentation/devicetree/bindings/net/can/tcan4x5x.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
index 170e23f0610d..20c0572c9853 100644
--- a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
+++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
@@ -28,6 +28,8 @@ Optional properties:
 			      available with tcan4552/4553.
 	- device-wake-gpios: Wake up GPIO to wake up the TCAN device. Not
 			     available with tcan4552/4553.
+	- wakeup-source: Leave the chip running when suspended, and configure
+			 the RX interrupt to wake up the device.
 
 Example:
 tcan4x5x: tcan4x5x@0 {
@@ -42,4 +44,5 @@ 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>;
+		wakeup-source;
 };
-- 
2.43.0