[PATCH can-next 01/21] dt-bindings: can: rockchip_canfd: add binding for rockchip CAN-FD controller

Marc Kleine-Budde mkl at pengutronix.de
Wed Jul 31 01:44:15 PDT 2024


On 30.07.2024 13:21:58, Rob Herring wrote:
> On Mon, Jul 29, 2024 at 03:05:32PM +0200, Marc Kleine-Budde wrote:
> > Add the binding of the rockchip rk3568 CAN-FD controller to the device
> > tree bindings documentation.
> 
> Subject line space is valuable. Don't say 'binding' twice. Or anything 
> else for that matter. 
> 
> > Co-developed-by: Elaine Zhang <zhangqing at rock-chips.com>
> > Signed-off-by: Elaine Zhang <zhangqing at rock-chips.com>
> > Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
> > ---
> >  .../bindings/net/can/rockchip,canfd.yaml           | 76 ++++++++++++++++++++++
> >  MAINTAINERS                                        |  7 ++
> >  2 files changed, 83 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml
> > new file mode 100644
> > index 000000000000..85f7ea68d8b9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml
> > @@ -0,0 +1,76 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/net/can/rockchip,canfd.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title:
> > +  Rockchip CAN-FD controller
> > +
> > +maintainers:
> > +  - Marc Kleine-Budde <mkl at pengutronix.de>
> > +
> > +allOf:
> > +  - $ref: can-controller.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - const: rockchip,rk3568-canfd
> > +      - items:
> > +          - enum:
> > +              - rockchip,rk3568v2-canfd
> > +              - rockchip,rk3568v3-canfd
> > +          - const: rockchip,rk3568-canfd
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 2
> > +
> > +  clock-names:
> > +    items:
> > +      - const: baudclk
> 
> Just 'baud'

ok

> 
> > +      - const: apb_pclk
> 
> apb or pclk.

pclk seems to be more common.

> 
> > +
> > +  resets:
> > +    maxItems: 2
> > +
> > +  reset-names:
> > +    items:
> > +      - const: can
> > +      - const: can-apb
> 
> They are always for 'can' so that's redundant. I guess it is fine on 
> the first entry, but definitely drop on the 2nd. Or do 'core' and 'apb'.

I've picked core and apb.

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |
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