From: Michael Lawnick <ml.lawnick-Mmb7MZpHnFY@public.gmane.org>
To: Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Delvare,
Jean " <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
Subject: Re: [PATCH] assign a default class to MPC adapter
Date: Tue, 21 Apr 2009 08:47:41 +0200 [thread overview]
Message-ID: <49ED6C0D.2060607@gmx.de> (raw)
In-Reply-To: <20090416114701.GD3052-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Wolfram Sang said the following:
>> Could you please elaborate?
>
> Instead of probing you specify the devices on the i2c-bus in the dts. Example
> for the pcm032 looks like this (from the kernel-tree):
>
> i2c@3d40 {
> #address-cells = <1>;
> #size-cells = <0>;
> compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c";
> reg = <0x3d40 0x40>;
> interrupts = <2 16 0>;
> fsl5200-clocking;
>
> rtc@51 {
> compatible = "nxp,pcf8563";
> reg = <0x51>;
> };
> eeprom@52 {
> compatible = "at24,24c32";
> reg = <0x52>;
> };
> };
>
> Boards which relied on probing need to have such child nodes added.
This entry forces the sysFs basic entries, but instantiation of
_new-style_ drivers still fails, at least on my system.
I now proposed a patch for loading the class parameter of the adapter
from device tree.(--><49ED6AD3.2060808-Mmb7MZpHnFY@public.gmane.org>) and hope to get an ACK.
--
Kind regards,
Michael
next prev parent reply other threads:[~2009-04-21 6:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-16 9:06 [PATCH] assign a default class to MPC adapter Michael Lawnick
[not found] ` <49E6F4F9.3060705-Mmb7MZpHnFY@public.gmane.org>
2009-04-16 9:20 ` Wolfram Sang
[not found] ` <20090416092012.GB3052-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-04-16 10:55 ` Michael Lawnick
2009-04-16 11:01 ` Michael Lawnick
[not found] ` <49E7101E.6070806-Mmb7MZpHnFY@public.gmane.org>
2009-04-16 11:47 ` Wolfram Sang
[not found] ` <20090416114701.GD3052-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-04-16 13:36 ` Michael Lawnick
[not found] ` <49E7344C.2060704-Mmb7MZpHnFY@public.gmane.org>
2009-04-16 13:55 ` Jean Delvare
[not found] ` <49E82270.4030509@gmx.de>
[not found] ` <49E82270.4030509-Mmb7MZpHnFY@public.gmane.org>
2009-04-17 7:33 ` Jean Delvare
[not found] ` <20090417093356.79f38e40-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2009-04-17 7:46 ` Wolfram Sang
2009-04-16 14:05 ` Wolfram Sang
2009-04-21 6:47 ` Michael Lawnick [this message]
[not found] ` <49ED6C0D.2060607-Mmb7MZpHnFY@public.gmane.org>
2009-04-21 7:13 ` Wolfgang Grandegger
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