Re: [spi-devel-general] [patch 2.6.27-git] spi_gpio driver

From: Ben Dooks
Date: Mon Oct 20 2008 - 04:11:49 EST

On Sun, Oct 19, 2008 at 09:24:36PM -0700, David Brownell wrote:
> From: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> 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
> - 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.


Q: What's a light-year?
A: One-third less calories than a regular year.

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