From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 References: <1531312174-17489-1-git-send-email-phil.edworthy@renesas.com> <1531312174-17489-2-git-send-email-phil.edworthy@renesas.com> In-Reply-To: <1531312174-17489-2-git-send-email-phil.edworthy@renesas.com> From: Geert Uytterhoeven Date: Wed, 11 Jul 2018 14:39:05 +0200 Message-ID: Subject: Re: [PATCH 1/2] dt: serial: Add Renesas RZ/N1 binding documentation Content-Type: text/plain; charset="UTF-8" To: Phil Edworthy Cc: Rob Herring , Greg KH , Mark Rutland , Simon Horman , "open list:SERIAL DRIVERS" , Linux-Renesas , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" List-ID: Hi Phil, On Wed, Jul 11, 2018 at 2:30 PM Phil Edworthy 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 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@linux-m68k.org 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