From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Peter Rosin <peda@axentia.se>
Cc: Arnd Bergmann <arnd@arndb.de>, Wolfram Sang <wsa@the-dreams.de>,
linux-i2c@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Przemyslaw Sroka <psroka@cadence.com>,
Arkadiusz Golec <agolec@cadence.com>,
Alan Douglas <adouglas@cadence.com>,
Bartosz Folta <bfolta@cadence.com>, Damian Kos <dkos@cadence.com>,
Alicja Jurasik-Urbaniak <alicja@cadence.com>,
Cyprian Wronka <cwronka@cadence.com>,
Suresh Punnoose <sureshp@cadence.com>,
Rafal Ciepiela <rafalc@cadence.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Nishanth Menon <nm@ti.com>, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
DTML <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Vitor Soares <Vitor.Soares@synopsys.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Linus Walleij <linus.walleij@linaro.org>,
Xiang Lin <Xiang.Lin@synaptics.com>,
linux-gpio@vger.kernel.org, Sekhar Nori <nsekhar@ti.com>,
Przemyslaw Gaj <pgaj@cadence.com>
Subject: Re: [PATCH v6 00/10] Add the I3C subsystem
Date: Fri, 20 Jul 2018 12:05:18 +0200 [thread overview]
Message-ID: <20180720120518.445b947b@bbrezillon> (raw)
In-Reply-To: <2ab0ab75-2df0-2714-f007-c33b25481016@axentia.se>
On Fri, 20 Jul 2018 11:57:56 +0200
Peter Rosin <peda@axentia.se> wrote:
>
> Maybe a bit-bang I3C master isn't feasible for some fundamental
> reason?
No, it's clearly not. The way an I3C master is supposed to switch from
open-drain to push-pull during a transaction or the concept of IBIs
are the first things that come to mind, but I guess you have plenty of
other reasons preventing you from implementing a i3c-bit-bang master.
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Peter Rosin <peda@axentia.se>
Cc: Arnd Bergmann <arnd@arndb.de>, Wolfram Sang <wsa@the-dreams.de>,
linux-i2c@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Przemyslaw Sroka <psroka@cadence.com>,
Arkadiusz Golec <agolec@cadence.com>,
Alan Douglas <adouglas@cadence.com>,
Bartosz Folta <bfolta@cadence.com>, Damian Kos <dkos@cadence.com>,
Alicja Jurasik-Urbaniak <alicja@cadence.com>,
Cyprian Wronka <cwronka@cadence.com>,
Suresh Punnoose <sureshp@cadence.com>,
Rafal Ciepiela <rafalc@cadence.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Nishanth Menon <nm@ti.com>, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian
Subject: Re: [PATCH v6 00/10] Add the I3C subsystem
Date: Fri, 20 Jul 2018 12:05:18 +0200 [thread overview]
Message-ID: <20180720120518.445b947b@bbrezillon> (raw)
In-Reply-To: <2ab0ab75-2df0-2714-f007-c33b25481016@axentia.se>
On Fri, 20 Jul 2018 11:57:56 +0200
Peter Rosin <peda@axentia.se> wrote:
>
> Maybe a bit-bang I3C master isn't feasible for some fundamental
> reason?
No, it's clearly not. The way an I3C master is supposed to switch from
open-drain to push-pull during a transaction or the concept of IBIs
are the first things that come to mind, but I guess you have plenty of
other reasons preventing you from implementing a i3c-bit-bang master.
WARNING: multiple messages have this Message-ID (diff)
From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Peter Rosin <peda@axentia.se>
Cc: Arnd Bergmann <arnd@arndb.de>, Wolfram Sang <wsa@the-dreams.de>,
linux-i2c@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Przemyslaw Sroka <psroka@cadence.com>,
Arkadiusz Golec <agolec@cadence.com>,
Alan Douglas <adouglas@cadence.com>,
Bartosz Folta <bfolta@cadence.com>, Damian Kos <dkos@cadence.com>,
Alicja Jurasik-Urbaniak <alicja@cadence.com>,
Cyprian Wronka <cwronka@cadence.com>,
Suresh Punnoose <sureshp@cadence.com>,
Rafal Ciepiela <rafalc@cadence.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Nishanth Menon <nm@ti.com>, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
DTML <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Vitor Soares <Vitor.Soares@synopsys.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Linus Walleij <linus.walleij@linaro.org>,
Xiang Lin <Xiang.Lin@synaptics.com>,
linux-gpio@vger.kernel.org, Sekhar Nori <nsekhar@ti.com>,
Przemyslaw Gaj <pgaj@cadence.com>
Subject: Re: [PATCH v6 00/10] Add the I3C subsystem
Date: Fri, 20 Jul 2018 12:05:18 +0200 [thread overview]
Message-ID: <20180720120518.445b947b@bbrezillon> (raw)
In-Reply-To: <2ab0ab75-2df0-2714-f007-c33b25481016@axentia.se>
On Fri, 20 Jul 2018 11:57:56 +0200
Peter Rosin <peda@axentia.se> wrote:
>
> Maybe a bit-bang I3C master isn't feasible for some fundamental
> reason?
No, it's clearly not. The way an I3C master is supposed to switch from
open-drain to push-pull during a transaction or the concept of IBIs
are the first things that come to mind, but I guess you have plenty of
other reasons preventing you from implementing a i3c-bit-bang master.
next prev parent reply other threads:[~2018-07-20 10:05 UTC|newest]
Thread overview: 177+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-19 15:29 [PATCH v6 00/10] Add the I3C subsystem Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 01/10] i3c: Add core I3C infrastructure Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-08-03 21:38 ` mshettel
2018-08-03 21:38 ` mshettel
2018-08-03 21:38 ` mshettel
2018-08-04 5:33 ` Boris Brezillon
2018-08-04 5:33 ` Boris Brezillon
2018-08-04 5:33 ` Boris Brezillon
2018-08-22 16:43 ` vitor
2018-08-22 16:43 ` vitor
2018-08-24 12:39 ` Boris Brezillon
2018-08-24 12:39 ` Boris Brezillon
2018-08-24 17:52 ` vitor
2018-08-24 17:52 ` vitor
2018-08-24 18:16 ` Boris Brezillon
2018-08-24 18:16 ` Boris Brezillon
2018-08-28 11:50 ` vitor
2018-08-28 11:50 ` vitor
2018-08-28 12:02 ` Boris Brezillon
2018-08-28 12:02 ` Boris Brezillon
2018-08-28 12:55 ` Przemyslaw Gaj
2018-08-28 12:55 ` Przemyslaw Gaj
2018-08-28 13:01 ` Boris Brezillon
2018-08-28 13:01 ` Boris Brezillon
2018-08-29 7:41 ` Przemyslaw Gaj
2018-08-29 7:41 ` Przemyslaw Gaj
2018-08-28 13:03 ` Boris Brezillon
2018-08-28 13:03 ` Boris Brezillon
2018-08-30 13:57 ` vitor
2018-08-30 13:57 ` vitor
2018-08-30 19:00 ` Przemyslaw Gaj
2018-08-30 19:00 ` Przemyslaw Gaj
2018-09-03 9:33 ` vitor
2018-09-03 9:33 ` vitor
2018-09-04 11:03 ` Przemyslaw Gaj
2018-09-04 11:03 ` Przemyslaw Gaj
2018-09-06 12:43 ` Przemyslaw Gaj
2018-09-06 12:43 ` Przemyslaw Gaj
2018-09-06 12:59 ` Arnd Bergmann
2018-09-06 12:59 ` Arnd Bergmann
2018-09-06 13:14 ` Boris Brezillon
2018-09-06 13:14 ` Boris Brezillon
2018-09-06 13:20 ` Boris Brezillon
2018-09-06 13:20 ` Boris Brezillon
2018-09-06 13:45 ` Arnd Bergmann
2018-09-06 13:45 ` Arnd Bergmann
2018-09-06 13:50 ` vitor
2018-09-06 13:50 ` vitor
2018-09-06 14:14 ` Boris Brezillon
2018-09-06 14:14 ` Boris Brezillon
2018-09-06 15:17 ` vitor
2018-09-06 15:17 ` vitor
2018-09-06 16:06 ` Boris Brezillon
2018-09-06 16:06 ` Boris Brezillon
2018-09-06 16:17 ` Przemyslaw Gaj
2018-09-06 16:17 ` Przemyslaw Gaj
2018-09-10 16:16 ` vitor
2018-09-10 16:16 ` vitor
2018-09-07 7:51 ` Przemyslaw Gaj
2018-09-07 7:51 ` Przemyslaw Gaj
2018-09-06 13:47 ` Przemyslaw Gaj
2018-09-06 13:47 ` Przemyslaw Gaj
2018-09-06 14:09 ` Boris Brezillon
2018-09-06 14:09 ` Boris Brezillon
2018-09-06 14:20 ` Przemyslaw Gaj
2018-09-06 14:20 ` Przemyslaw Gaj
2018-07-19 15:29 ` [PATCH v6 02/10] docs: driver-api: Add I3C documentation Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 03/10] i3c: Add sysfs ABI spec Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 04/10] dt-bindings: i3c: Document core bindings Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 05/10] dt-bindings: i3c: Add macros to help fill I3C/I2C device's reg property Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 06/10] MAINTAINERS: Add myself as the I3C subsystem maintainer Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 07/10] i3c: master: Add driver for Cadence IP Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 08/10] dt-bindings: i3c: Document Cadence I3C master bindings Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 09/10] gpio: Add a driver for Cadence I3C GPIO expander Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` [PATCH v6 10/10] dt-bindings: gpio: Add bindings for Cadence I3C gpio expander Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-19 15:29 ` Boris Brezillon
2018-07-20 8:52 ` [PATCH v6 00/10] Add the I3C subsystem Arnd Bergmann
2018-07-20 8:52 ` Arnd Bergmann
2018-07-20 8:52 ` Arnd Bergmann
2018-07-20 9:57 ` Peter Rosin
2018-07-20 9:57 ` Peter Rosin
2018-07-20 9:57 ` Peter Rosin
2018-07-20 10:05 ` Boris Brezillon [this message]
2018-07-20 10:05 ` Boris Brezillon
2018-07-20 10:05 ` Boris Brezillon
2018-07-20 10:39 ` Peter Rosin
2018-07-20 10:39 ` Peter Rosin
2018-07-20 10:39 ` Peter Rosin
2018-07-20 10:12 ` Wolfram Sang
2018-07-20 10:12 ` Wolfram Sang
2018-07-20 10:57 ` Arnd Bergmann
2018-07-20 10:57 ` Arnd Bergmann
2018-07-20 10:57 ` Arnd Bergmann
2018-07-20 11:05 ` Wolfram Sang
2018-07-20 11:05 ` Wolfram Sang
2018-07-20 11:13 ` Peter Rosin
2018-07-20 11:13 ` Peter Rosin
2018-07-20 11:13 ` Peter Rosin
2018-07-20 11:28 ` Arnd Bergmann
2018-07-20 11:28 ` Arnd Bergmann
2018-07-20 11:28 ` Arnd Bergmann
2018-07-20 13:16 ` Peter Rosin
2018-07-20 13:16 ` Peter Rosin
2018-07-20 13:16 ` Peter Rosin
2018-07-20 15:41 ` Wolfram Sang
2018-07-20 15:41 ` Wolfram Sang
2018-07-24 14:14 ` Arnd Bergmann
2018-07-24 14:14 ` Arnd Bergmann
2018-07-24 14:14 ` Arnd Bergmann
2018-07-24 15:57 ` Wolfram Sang
2018-07-24 15:57 ` Wolfram Sang
2018-07-24 16:04 ` Arnd Bergmann
2018-07-24 16:04 ` Arnd Bergmann
2018-07-24 16:04 ` Arnd Bergmann
2018-07-24 20:22 ` Wolfram Sang
2018-07-24 20:22 ` Wolfram Sang
2018-07-24 16:07 ` Boris Brezillon
2018-07-24 16:07 ` Boris Brezillon
2018-07-24 16:07 ` Boris Brezillon
2018-07-20 13:17 ` Boris Brezillon
2018-07-20 13:17 ` Boris Brezillon
2018-07-20 13:17 ` Boris Brezillon
2018-07-24 14:03 ` Arnd Bergmann
2018-07-24 14:03 ` Arnd Bergmann
2018-07-24 14:03 ` Arnd Bergmann
2018-07-24 14:28 ` Boris Brezillon
2018-07-24 14:28 ` Boris Brezillon
2018-07-24 14:28 ` Boris Brezillon
2018-07-24 15:05 ` Arnd Bergmann
2018-07-24 15:05 ` Arnd Bergmann
2018-07-24 15:05 ` Arnd Bergmann
2018-07-24 15:15 ` Geert Uytterhoeven
2018-07-24 15:15 ` Geert Uytterhoeven
2018-07-24 15:15 ` Geert Uytterhoeven
2018-07-24 15:40 ` Arnd Bergmann
2018-07-24 15:40 ` Arnd Bergmann
2018-07-24 15:40 ` Arnd Bergmann
2018-07-24 15:46 ` Geert Uytterhoeven
2018-07-24 15:46 ` Geert Uytterhoeven
2018-07-24 15:46 ` Geert Uytterhoeven
2018-07-24 15:58 ` Arnd Bergmann
2018-07-24 15:58 ` Arnd Bergmann
2018-07-24 15:58 ` Arnd Bergmann
2018-07-24 16:14 ` Boris Brezillon
2018-07-24 16:14 ` Boris Brezillon
2018-07-24 16:14 ` Boris Brezillon
2018-07-24 16:25 ` Arnd Bergmann
2018-07-24 16:25 ` Arnd Bergmann
2018-07-24 16:25 ` Arnd Bergmann
2018-07-24 16:54 ` Boris Brezillon
2018-07-24 16:54 ` Boris Brezillon
2018-07-24 16:54 ` Boris Brezillon
2018-07-24 20:21 ` Arnd Bergmann
2018-07-24 20:21 ` Arnd Bergmann
2018-07-24 20:21 ` Arnd Bergmann
2018-07-24 16:04 ` Wolfram Sang
2018-07-24 16:04 ` Wolfram Sang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180720120518.445b947b@bbrezillon \
--to=boris.brezillon@bootlin.com \
--cc=Vitor.Soares@synopsys.com \
--cc=Xiang.Lin@synaptics.com \
--cc=adouglas@cadence.com \
--cc=agolec@cadence.com \
--cc=alicja@cadence.com \
--cc=arnd@arndb.de \
--cc=bfolta@cadence.com \
--cc=corbet@lwn.net \
--cc=cwronka@cadence.com \
--cc=devicetree@vger.kernel.org \
--cc=dkos@cadence.com \
--cc=galak@codeaurora.org \
--cc=geert@linux-m68k.org \
--cc=gregkh@linuxfoundation.org \
--cc=ijc+devicetree@hellion.org.uk \
--cc=linus.walleij@linaro.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=nm@ti.com \
--cc=nsekhar@ti.com \
--cc=pawel.moll@arm.com \
--cc=peda@axentia.se \
--cc=pgaj@cadence.com \
--cc=psroka@cadence.com \
--cc=rafalc@cadence.com \
--cc=robh+dt@kernel.org \
--cc=sureshp@cadence.com \
--cc=thomas.petazzoni@bootlin.com \
--cc=wsa@the-dreams.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.