On Oct 28, 2024 at 18:38:07 +0100, Markus Schneider-Pargmann wrote: > m_can can be a wakeup source on some devices. Especially on some of the > am62* SoCs pins, connected to m_can in the mcu, can be used to wakeup > the SoC. > > The wakeup-source property defines on which devices m_can can be used > for wakeup. > > The pins associated with m_can have to have a special configuration to > be able to wakeup the SoC. This configuration is described in the wakeup > pinctrl state while the default state describes the default > configuration. > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx> > --- > .../devicetree/bindings/net/can/bosch,m_can.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml > index c4887522e8fe97c3947357b4dbd4ecf20ee8100a..0c1f9fa7371897d45539ead49c9d290fb4966f30 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 > @@ -122,6 +138,8 @@ properties: > minItems: 1 > maxItems: 2 > > + wakeup-source: true > + Reviewed-by: Dhruva Gole <d-gole@xxxxxx> -- Best regards, Dhruva Gole Texas Instruments Incorporated
