linux-kernel - [PATCH v3 2/9] dt-bindings: can: m

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Message-Id: <20241011-topic-mcan-wakeup-source-v6-12-v3-2-9752c714ad12@baylibre.com>
Date: Fri, 11 Oct 2024 15:16:39 +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 <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>, 
 Vignesh Raghavendra <vigneshr@...com>, Tero Kristo <kristo@...nel.org>
Cc: linux-can@...r.kernel.org, netdev@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Matthias Schiffer <matthias.schiffer@...tq-group.com>, 
 Vishal Mahaveer <vishalm@...com>, Kevin Hilman <khilman@...libre.com>, 
 Dhruva Gole <d-gole@...com>, Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH v3 2/9] dt-bindings: can: m_can: Add vio-supply

The m_can unit can be integrated in different ways. For AM62 the unit is
integrated in different parts of the system (MCU or Main domain) and can
be powered by different external power sources. For examle on am62-lp-sk
mcu_mcan0 and mcu_mcan1 are powered through VDDSHV_CANUART by an
external regulator. To be able to describe these relationships, add a
vio-supply property to this binding.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
---
 Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
index 0c1f9fa7371897d45539ead49c9d290fb4966f30..e35cabce92c658c1b548cbac0940e16f7c2504ee 100644
--- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
+++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
@@ -140,6 +140,10 @@ properties:

   wakeup-source: true

+  vio-supply:
+    description: |
+      Reference to the main power supply of the unit.
+
 required:
   - compatible
   - reg

-- 
2.45.2