Messages in this thread | | | From | David Brownell <> | Subject | Re: [spi-devel-general] [patch 2.6.27-git] spi_gpio driver | Date | Mon, 20 Oct 2008 01:37:00 -0700 |
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On Monday 20 October 2008, Ben Dooks wrote: > On Sun, Oct 19, 2008 at 09:24:36PM -0700, David Brownell wrote: > > From: David Brownell <dbrownell@users.sourceforge.net> > > > > Generalize the old at91rm9200 "bootstrap" bitbanging SPI master driver > > as "spi_gpio", so it works with arbitrary GPIOs and can be configured > > through platform_data. Such SPI masters support: > > > > - any number of bus instances (bus_num is the platform_device.id) > > - any number of chipselects (one GPIO per spi_device) > > - all four SPI_MODE values, and SPI_CS_HIGH > > - i/o word sizes from 1 to 32 bits; > > - devices configured as with any other spi_master controller > > Probably worth looking at removing the s3c24xx gpio specific driver and > replacing it with this.
Good point. Let me know if you see any issues doing that, beyond the need to change some boards' setup code and defconfigs first.
- Dave
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