From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 03/04] ARM: shmobile: Genmai I2C-over-GPIO support
Date: Thu, 28 Nov 2013 00:46:36 +0000 [thread overview]
Message-ID: <3492627.E4uF2vqd6n@avalon> (raw)
In-Reply-To: <CANqRtoQkZHCCZ0hZrFkgndxoOrfdjnRZQR6NUP0KLMiRMxw2Gw@mail.gmail.com>
Hi Magnus,
On Thursday 28 November 2013 09:44:31 Magnus Damm wrote:
> On Wed, Nov 27, 2013 at 8:15 PM, Laurent Pinchart wrote:
> > On Wednesday 27 November 2013 17:28:05 Magnus Damm wrote:
> >> From: Magnus Damm <damm@opensource.se>
> >>
> >> Add support for the Genmai I2C bus hooked up to P1_5 and P1_4 using
> >> the i2c-gpio driver. On the bus sits a 24c128 EEPRROM.
> >
> > Is this a temporary workaround until we get a proper I2C controller
> > driver, or is the EEPROM really hooked up to pins that are not wired to a
> > hardware I2C controller ?
>
> This is a stop-gap solution until we have upstream driver support for the
> I2C master hardware.
OK, no problem. Is there a timeline for that ?
> The pins used for the I2C bus can be configured in GPIO mode or a zillion
> other pin functions including SCL and SDA.
--
Regards,
Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: laurent.pinchart@ideasonboard.com (Laurent Pinchart)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 03/04] ARM: shmobile: Genmai I2C-over-GPIO support
Date: Thu, 28 Nov 2013 01:46:36 +0100 [thread overview]
Message-ID: <3492627.E4uF2vqd6n@avalon> (raw)
In-Reply-To: <CANqRtoQkZHCCZ0hZrFkgndxoOrfdjnRZQR6NUP0KLMiRMxw2Gw@mail.gmail.com>
Hi Magnus,
On Thursday 28 November 2013 09:44:31 Magnus Damm wrote:
> On Wed, Nov 27, 2013 at 8:15 PM, Laurent Pinchart wrote:
> > On Wednesday 27 November 2013 17:28:05 Magnus Damm wrote:
> >> From: Magnus Damm <damm@opensource.se>
> >>
> >> Add support for the Genmai I2C bus hooked up to P1_5 and P1_4 using
> >> the i2c-gpio driver. On the bus sits a 24c128 EEPRROM.
> >
> > Is this a temporary workaround until we get a proper I2C controller
> > driver, or is the EEPROM really hooked up to pins that are not wired to a
> > hardware I2C controller ?
>
> This is a stop-gap solution until we have upstream driver support for the
> I2C master hardware.
OK, no problem. Is there a timeline for that ?
> The pins used for the I2C bus can be configured in GPIO mode or a zillion
> other pin functions including SCL and SDA.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2013-11-28 0:46 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-27 8:27 [PATCH 00/04] ARM: shmobile: r7s72100 and Genmai GPIO / PINCTRL support Magnus Damm
2013-11-27 8:27 ` Magnus Damm
2013-11-27 8:27 ` [PATCH 01/04] ARM: shmobile: r7s72100 GPIO and PINCTRL device nodes Magnus Damm
2013-11-27 8:27 ` Magnus Damm
2013-11-27 8:27 ` [PATCH 02/04] ARM: shmobile: Genmai LED1 and LED2 support Magnus Damm
2013-11-27 8:27 ` Magnus Damm
2013-11-27 11:16 ` Laurent Pinchart
2013-11-27 11:16 ` Laurent Pinchart
2013-11-27 8:28 ` [PATCH 03/04] ARM: shmobile: Genmai I2C-over-GPIO support Magnus Damm
2013-11-27 8:28 ` Magnus Damm
2013-11-27 11:04 ` Wolfram Sang
2013-11-27 11:04 ` Wolfram Sang
2013-11-28 17:11 ` Sergei Shtylyov
2013-11-28 17:11 ` Sergei Shtylyov
2013-11-28 17:14 ` Laurent Pinchart
2013-11-28 17:14 ` Laurent Pinchart
2013-11-28 18:13 ` Sergei Shtylyov
2013-11-28 18:13 ` Sergei Shtylyov
2013-11-27 11:15 ` Laurent Pinchart
2013-11-27 11:15 ` Laurent Pinchart
2013-11-28 0:44 ` Magnus Damm
2013-11-28 0:44 ` Magnus Damm
2013-11-28 0:46 ` Laurent Pinchart [this message]
2013-11-28 0:46 ` Laurent Pinchart
2013-11-27 8:28 ` [PATCH 04/04] ARM: shmobile: Genmai SCIF2 PINCTRL configuration Magnus Damm
2013-11-27 8:28 ` Magnus Damm
2013-11-27 11:16 ` Laurent Pinchart
2013-11-27 11:16 ` Laurent Pinchart
2013-11-27 11:13 ` [PATCH 00/04] ARM: shmobile: r7s72100 and Genmai GPIO / PINCTRL support Laurent Pinchart
2013-11-27 11:13 ` Laurent Pinchart
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