linux-kernel - [PATCH 2/7] dt-bindings: can: m

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Message-ID: <20240523075347.1282395-3-msp@baylibre.com>
Date: Thu, 23 May 2024 09:53:42 +0200
From: Markus Schneider-Pargmann <msp@...libre.com>
To: Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
	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 <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>
Cc: Vibhore Vardhan <vibhore@...com>,
	Kevin Hilman <khilman@...libre.com>,
	Dhruva Gole <d-gole@...com>,
	Martin Hundebøll <martin@...nix.com>,
	Simon Horman <horms@...nel.org>,
	linux-can@...r.kernel.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH 2/7] dt-bindings: can: m_can: Add wakeup pinctrl state

Pins associated with m_can can be the source of a wakeup in deep sleep
states. To be able to wakeup these pins have to be configured in a
special way. To support this configuration add the default and wakeup
pinctrl states.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
---
 .../devicetree/bindings/net/can/bosch,m_can.yaml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
index 33f1688ca208..7c6fa7367c37 100644
--- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
+++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
@@ -106,6 +106,22 @@ properties:
         maximum: 32
     minItems: 1
 
+  pinctrl-0:
+    description: Default pinctrl state
+
+  pinctrl-1:
+    description: Wakeup pinctrl state
+
+  pinctrl-names:
+    description:
+      When present should contain at least "default" describing the default pin
+      states. The second state called "wakeup" describes the pins in their
+      wakeup configuration required to exit sleep states.
+    minItems: 1
+    items:
+      - const: default
+      - const: wakeup
+
   power-domains:
     description:
       Power domain provider node and an args specifier containing
-- 
2.43.0