From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: "Rafał Miłecki" <zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"John W. Linville"
<linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Hauke Mehrtens" <hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] bcma: use device from DT (brcm,bus-gpio) for SoC GPIO chip
Date: Sat, 27 Sep 2014 00:03:18 +0200 [thread overview]
Message-ID: <2539898.4te2VKk57a@wuerfel> (raw)
In-Reply-To: <1411741733-13888-1-git-send-email-zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Friday 26 September 2014 16:28:53 Rafał Miłecki wrote:
> +The top-level axi bus may contain following children:
> +
> +- gpio: GPIO chip on the SoC
> +
> + Required properties:
> + - compatible: "brcm,bus-gpio"
> + - gpio-controller : makes the node a GPIO controller
> + - #gpio-cells : size of the GPIO specifier, must be 2
> +
>
I wonder if it would be better to avoid the subnode here and just
make the parent itself the gpio controller.
Is the gpio controller part of the bus itself in reality, or is it
a device that gets probed on the bus?
Arnd
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next prev parent reply other threads:[~2014-09-26 22:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-26 14:28 [PATCH] bcma: use device from DT (brcm,bus-gpio) for SoC GPIO chip Rafał Miłecki
[not found] ` <1411741733-13888-1-git-send-email-zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-26 22:03 ` Arnd Bergmann [this message]
2014-09-27 8:05 ` Rafał Miłecki
[not found] ` <CACna6rwwfJOdnxhmnW7MUuUC1YBPx8bmDbiaSy1+G39hF4p7OA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-27 8:33 ` Hauke Mehrtens
[not found] ` <54267661.5000401-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2014-09-27 10:37 ` Rafał Miłecki
[not found] ` <CACna6rwYcSh7-uFYA+paNehNwrqddmn2az+a9ZwggVGofbDR7w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-27 20:47 ` Hauke Mehrtens
2014-09-28 8:24 ` [PATCH V2] " Rafał Miłecki
[not found] ` <1411892641-5662-1-git-send-email-zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-30 9:37 ` [PATCH V2] bcma: use device from DT (brcm, bus-gpio) " Arnd Bergmann
2014-09-30 9:56 ` Rafał Miłecki
[not found] ` <CACna6ry-mmc8QD-bYUNGLfTh07TcUepjZdPYqKyxLc3HbMPung-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-30 10:28 ` Arnd Bergmann
2014-09-30 10:22 ` [PATCH V3] bcma: use device from DT (brcm,bus-chipcommon) " Rafał Miłecki
[not found] ` <1412072546-3529-1-git-send-email-zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-30 10:36 ` [PATCH V3] bcma: use device from DT (brcm, bus-chipcommon) " Arnd Bergmann
2014-09-30 10:41 ` Rafał Miłecki
2014-09-30 10:55 ` [PATCH V4] bcma: use chipcommon node from DT " Rafał Miłecki
[not found] ` <1412074548-14614-1-git-send-email-zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-30 11:08 ` Arnd Bergmann
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