From: "Steven A. Falco" <sfalco@harris.com>
To: avorontsov@ru.mvista.com
Cc: David Brownell <dbrownell@users.sourceforge.net>,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
i2c@lm-sensors.org, Jean Delvare <khali@linux-fr.org>,
David Miller <davem@davemloft.net>
Subject: Re: [PATCH 0/7 RFC] Handle I2C GPIO controllers with the OF (was: pca9539 I2C gpio expander)
Date: Fri, 17 Oct 2008 12:07:15 -0400 [thread overview]
Message-ID: <48F8B833.7080807@harris.com> (raw)
In-Reply-To: <20081016171222.GA24812@oksana.dev.rtsoft.ru>
Anton Vorontsov wrote:
> Hi all,
>
> Recently there was a question about I2C GPIO controllers and how should
> we handle them with the OpenFirmware and such.
>
> Here is the attempt to "connect" I2C GPIO controllers to the
> "OpenFirmware" device tree, without writing an OF-specific bindings
> for each driver.
>
> The salt is in these two patches:
>
> [PATCH 3/7] of: fill the archdata for I2C devices
> ^ Here we're storing the device tree node into the I2C device.
>
> [PATCH 5/7] of/gpio: implement of_dev_gpiochip_{add,remove} calls
> ^ And here we extracting the the stored node to put the registered
> of_gpio_chip into that node.
>
>
> How does it look?
I've just tested this with a pca9539 chip attached to my Sequoia board,
and it works perfectly for me. I don't have the mcu_mpc8349emitx.c file
in my tree, so I was not able to apply part 7 of 7, but the rest looks
fine. Thanks for doing this.
Acked by: Steve Falco <sfalco@harris.com>
WARNING: multiple messages have this Message-ID (diff)
From: "Steven A. Falco" <sfalco@harris.com>
To: avorontsov@ru.mvista.com
Cc: linux-kernel@vger.kernel.org,
David Brownell <dbrownell@users.sourceforge.net>,
Grant Likely <grant.likely@secretlab.ca>,
Jean Delvare <khali@linux-fr.org>,
David Miller <davem@davemloft.net>,
i2c@lm-sensors.org, linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 0/7 RFC] Handle I2C GPIO controllers with the OF (was: pca9539 I2C gpio expander)
Date: Fri, 17 Oct 2008 12:07:15 -0400 [thread overview]
Message-ID: <48F8B833.7080807@harris.com> (raw)
In-Reply-To: <20081016171222.GA24812@oksana.dev.rtsoft.ru>
Anton Vorontsov wrote:
> Hi all,
>
> Recently there was a question about I2C GPIO controllers and how should
> we handle them with the OpenFirmware and such.
>
> Here is the attempt to "connect" I2C GPIO controllers to the
> "OpenFirmware" device tree, without writing an OF-specific bindings
> for each driver.
>
> The salt is in these two patches:
>
> [PATCH 3/7] of: fill the archdata for I2C devices
> ^ Here we're storing the device tree node into the I2C device.
>
> [PATCH 5/7] of/gpio: implement of_dev_gpiochip_{add,remove} calls
> ^ And here we extracting the the stored node to put the registered
> of_gpio_chip into that node.
>
>
> How does it look?
I've just tested this with a pca9539 chip attached to my Sequoia board,
and it works perfectly for me. I don't have the mcu_mpc8349emitx.c file
in my tree, so I was not able to apply part 7 of 7, but the rest looks
fine. Thanks for doing this.
Acked by: Steve Falco <sfalco@harris.com>
next prev parent reply other threads:[~2008-10-17 16:07 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-16 17:12 [PATCH 0/7 RFC] Handle I2C GPIO controllers with the OF (was: pca9539 I2C gpio expander) Anton Vorontsov
2008-10-16 17:12 ` Anton Vorontsov
2008-10-16 17:12 ` [PATCH 1/7] powerpc and sparc: introduce dev_archdata node accessors Anton Vorontsov
2008-10-16 17:12 ` Anton Vorontsov
2008-10-16 22:36 ` David Miller
2008-10-16 22:36 ` David Miller
2008-10-16 23:02 ` Grant Likely
2008-10-16 23:02 ` Grant Likely
2008-10-16 17:12 ` [PATCH 2/7] i2c: add info->archdata field Anton Vorontsov
2008-10-16 17:12 ` Anton Vorontsov
2008-10-17 9:21 ` Jean Delvare
2008-10-17 9:21 ` Jean Delvare
[not found] ` <20081017112125.1f2c9d94-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2008-10-22 0:27 ` Benjamin Herrenschmidt
2008-10-22 0:27 ` Benjamin Herrenschmidt
2008-10-22 0:27 ` Benjamin Herrenschmidt
2008-10-22 6:50 ` Jean Delvare
2008-10-22 6:50 ` Jean Delvare
2008-10-22 6:50 ` Jean Delvare
[not found] ` <20081022085002.0698e2a8-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2008-10-22 7:37 ` Benjamin Herrenschmidt
2008-10-22 7:37 ` Benjamin Herrenschmidt
2008-10-22 7:37 ` Benjamin Herrenschmidt
2008-10-22 10:08 ` Anton Vorontsov
2008-10-22 10:08 ` Anton Vorontsov
2008-10-22 11:07 ` Jean Delvare
2008-10-22 11:07 ` Jean Delvare
2008-10-22 12:50 ` Anton Vorontsov
2008-10-22 12:50 ` Anton Vorontsov
[not found] ` <20081016171222.GA24812-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-16 17:12 ` [PATCH 3/7] of: fill the archdata for I2C devices Anton Vorontsov
2008-10-16 17:12 ` Anton Vorontsov
2008-10-16 17:12 ` Anton Vorontsov
2008-10-22 4:14 ` Grant Likely
2008-10-22 4:14 ` Grant Likely
2008-10-16 17:12 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Anton Vorontsov
2008-10-16 17:12 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Anton Vorontsov
2008-10-16 17:12 ` Anton Vorontsov
2008-10-17 20:24 ` David Brownell
2008-10-17 20:24 ` David Brownell
2008-10-17 21:29 ` Anton Vorontsov
2008-10-17 21:29 ` Anton Vorontsov
2008-10-20 7:29 ` David Brownell
2008-10-20 7:29 ` David Brownell
2008-10-20 15:48 ` Anton Vorontsov
2008-10-20 15:48 ` Anton Vorontsov
[not found] ` <20081020154835.GA3234-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-22 0:29 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Benjamin Herrenschmidt
2008-10-22 0:29 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Benjamin Herrenschmidt
2008-10-22 0:29 ` Benjamin Herrenschmidt
2008-10-22 1:03 ` Anton Vorontsov
2008-10-22 1:03 ` Anton Vorontsov
2008-10-22 1:42 ` Anton Vorontsov
2008-10-22 1:42 ` Anton Vorontsov
[not found] ` <20081022014243.GA19362-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-22 2:28 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Benjamin Herrenschmidt
2008-10-22 2:28 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Benjamin Herrenschmidt
2008-10-22 2:28 ` Benjamin Herrenschmidt
2008-10-22 4:20 ` Grant Likely
2008-10-22 4:20 ` Grant Likely
2008-10-22 4:22 ` David Brownell
2008-10-22 4:22 ` David Brownell
2008-10-22 10:36 ` Anton Vorontsov
2008-10-22 10:36 ` Anton Vorontsov
2008-10-22 10:46 ` Anton Vorontsov
2008-10-22 10:46 ` Anton Vorontsov
2008-10-22 18:32 ` Anton Vorontsov
2008-10-22 18:32 ` Anton Vorontsov
2008-10-22 21:04 ` David Brownell
2008-10-22 21:04 ` David Brownell
2008-10-22 21:22 ` Anton Vorontsov
2008-10-22 21:22 ` Anton Vorontsov
2008-10-22 21:52 ` David Brownell
2008-10-22 21:52 ` David Brownell
2008-10-22 22:29 ` Anton Vorontsov
2008-10-22 22:29 ` Anton Vorontsov
2008-10-23 5:19 ` David Brownell
2008-10-23 5:19 ` David Brownell
[not found] ` <200810221404.52798.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-10-23 4:45 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Benjamin Herrenschmidt
2008-10-23 4:45 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Benjamin Herrenschmidt
2008-10-23 4:45 ` Benjamin Herrenschmidt
2008-10-23 6:06 ` David Brownell
2008-10-23 6:06 ` David Brownell
2008-10-23 6:15 ` David Brownell
2008-10-23 6:15 ` David Brownell
2008-10-28 17:45 ` [PATCH 0/6 RFC] OF-glue devices for I2C/SPI (was: " Anton Vorontsov
2008-10-28 17:45 ` Anton Vorontsov
2008-10-28 17:46 ` [PATCH 1/6] of/base: Add new helper of_should_create_pdev() Anton Vorontsov
2008-10-28 17:46 ` [PATCH 2/6] of/of_i2c: implement of_{,un}register_i2c_device Anton Vorontsov
2008-10-28 17:46 ` [PATCH 3/6] of/of_i2c: add support for dedicated OF I2C devices Anton Vorontsov
2008-10-28 18:41 ` David Miller
2008-10-28 17:46 ` [PATCH 4/6] of/gpio: add support for two-stage registration for the of_gpio_chips Anton Vorontsov
2008-10-28 17:46 ` [PATCH 5/6] gpio/pca953x: pass gpio_chip pointer to the setup/teardown callbacks Anton Vorontsov
2008-10-28 17:46 ` [PATCH 6/6] gpio: OpenFirmware bindings for the pca953x Anton Vorontsov
2008-10-28 17:53 ` [PATCH 0/6 RFC] OF-glue devices for I2C/SPI (was: Re: [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Grant Likely
2008-10-28 17:53 ` [PATCH 0/6 RFC] OF-glue devices for I2C/SPI (was: Re: [PATCH 4/7] gpiolib: implement dev_gpiochip_{add, remove} calls Grant Likely
[not found] ` <20081022010347.GA7377-wnGakbxT3iijyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-10-22 2:27 ` Benjamin Herrenschmidt
2008-10-22 2:27 ` [PATCH 4/7] gpiolib: implement dev_gpiochip_{add,remove} calls Benjamin Herrenschmidt
2008-10-22 2:27 ` Benjamin Herrenschmidt
2008-10-16 17:13 ` [PATCH 5/7] of/gpio: implement of_dev_gpiochip_{add,remove} calls Anton Vorontsov
2008-10-16 17:13 ` Anton Vorontsov
2008-10-17 20:25 ` David Brownell
2008-10-17 20:25 ` [PATCH 5/7] of/gpio: implement of_dev_gpiochip_{add, remove} calls David Brownell
2008-10-17 21:13 ` [PATCH 5/7] of/gpio: implement of_dev_gpiochip_{add,remove} calls Anton Vorontsov
2008-10-17 21:13 ` Anton Vorontsov
2008-10-17 21:13 ` Anton Vorontsov
2008-10-16 17:13 ` [PATCH 6/7] gpio/pca953x: convert to dev_gpiochip_add and make it work with the OF Anton Vorontsov
2008-10-16 17:13 ` Anton Vorontsov
2008-10-16 17:13 ` [PATCH 7/7] i2c/mcu_mpc8349emitx: convert to the new I2C/OF/GPIO infrastructure Anton Vorontsov
2008-10-16 17:13 ` Anton Vorontsov
2008-10-17 16:07 ` Steven A. Falco [this message]
2008-10-17 16:07 ` [PATCH 0/7 RFC] Handle I2C GPIO controllers with the OF (was: pca9539 I2C gpio expander) Steven A. Falco
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