Re: [PATCH 1/2] dt: serial: Add Renesas RZ/N1 binding documentation

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Hi Phil,

On Wed, Jul 11, 2018 at 2:30 PM Phil Edworthy <phil.edworthy@xxxxxxxxxxx> wrote:
> The RZ/N1 UART is a modified Synopsys DesignWare UART.
> The modifications only relate to DMA so you could actually use the
> controller with the Synopsys compatible string if you are not using
> DMA, but you should not do so.
>
> Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>

Thanks for your patch!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/renesas,rzn1-uart.txt
> @@ -0,0 +1,10 @@
> +Renesas RZ/N1 UART
> +
> +This controller is based on the Synopsys DesignWare ABP UART and inherits all
> +properties defined in snps-dw-apb-uart.txt except for the compatible property.
> +
> +Required properties:
> +- compatible : The device specific string followed by the generic RZ/N1 string.
> +   Therefore it must be one of:
> +   "renesas,uart-r9a06g032", "renesas,uart-rzn1"

"renesas,r9a06g032-uart", "renesas,rzn1-uart"

> +   "renesas,uart-r9a06g033", "renesas,uart-rzn1"

"renesas,r9a06g033-uart", "renesas,rzn1-uart"

I assume you plan to describe the DMA-related properties later?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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