Re: [PATCH 1/5] ARM: dts: lpc32xx: add bus surfix for simple-bus

[Vladimir Zapolskiy]

Hi Frank.

On 10/29/25 22:27, Frank Li wrote:
> add bus surfix for simple-bus to fix below CHECK_DTBS warnings:

typo in the subject and in the commit message above, s/surfix/suffix/

> arm/boot/dts/nxp/lpc/lpc3250-ea3250.dtb: usb (simple-bus): $nodename:0: 'usb' does not match '^([a-z][a-z0-9\\-]+-bus|bus|localbus|soc|axi|ahb|apb)(@.+)?$'
>          from schema $id: http://devicetree.org/schemas/simple-bus.yaml#
>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
>   arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi b/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
> index 2236901a00313..9790b0a1d6537 100644
> --- a/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
> +++ b/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
> @@ -86,7 +86,7 @@ dma: dma-controller@31000000 {
>   			#dma-cells = <2>;
>   		};
>   
> -		usb {
> +		usb-bus {

Device nodes under "usb" should be just elevated, the "simple-bus" here
was used only to group some controllers together.

>   			#address-cells = <1>;
>   			#size-cells = <1>;
>   			compatible = "simple-bus";
> @@ -307,14 +307,14 @@ mpwm: pwm@400e8000 {
>   			};
>   		};
>   
> -		fab {
> +		fab-bus {

FAB shall find its place in the AXI/AHB/APB/... list, isn't it?

>   			#address-cells = <1>;
>   			#size-cells = <1>;
>   			compatible = "simple-bus";
>   			ranges = <0x20000000 0x20000000 0x30000000>;
>   
>   			/* System Control Block */
> -			scb {
> +			scb-bus {
>   				compatible = "simple-bus";
>   				ranges = <0x0 0x40004000 0x00001000>;
>   				#address-cells = <1>;

Here "simple-bus" is also unjustified...

--
Best wishes,
Vladimir