linux-kernel - Re: [PATCH v5 1/4] dt-bindings: can: rockchip

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Message-ID: <20250523-sensible-sweet-hyrax-984f9b-mkl@pengutronix.de>
Date: Fri, 23 May 2025 09:57:31 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Elaine Zhang <zhangqing@...k-chips.com>
Cc: kernel@...gutronix.de, mailhol.vincent@...adoo.fr, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, heiko@...ech.de, cl@...k-chips.com, 
	kever.yang@...k-chips.com, linux-can@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v5 1/4] dt-bindings: can: rockchip_canfd: add rk3576
 CAN-FD controller

On 23.05.2025 15:54:19, Elaine Zhang wrote:
> Add documentation for the rockchip rk3576 CAN-FD controller.
> 
> Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
> ---
>  .../net/can/rockchip,rk3568v2-canfd.yaml      | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
> index a077c0330013..e5dfce382061 100644
> --- a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
> +++ b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
> @@ -17,6 +17,7 @@ properties:
>    compatible:
>      oneOf:
>        - const: rockchip,rk3568v2-canfd
> +      - const: rockchip,rk3576-canfd
>        - items:
>            - const: rockchip,rk3568v3-canfd
>            - const: rockchip,rk3568v2-canfd
> @@ -43,6 +44,13 @@ properties:
>        - const: core
>        - const: apb
>  
> +  dmas:
> +    maxItems: 1
> +
> +  dma-names:
> +    items:
> +      - const: rx
> +

DMA is only supported for rockchip,rk3576-canfd.

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
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