On Wed, Sep 09, 2015 at 11:35:58AM -0400, slemieux.t...@gmail.com wrote: > From: Sylvain Lemieux <slemi...@tycoint.com> > > The current simplify lpc32xx gpio driver implementation assume a > maximum of 32 GPIO per port; there are a total of 22 GPI, 24 GPO > and 6 GPIO to managed on port 3. > > Update the driver to fix the following: > 1) When requesting GPI_xx and GPO_xx on port 3 (xx is the same number) > the second call to "gpio_request" will return -EBUSY. > > 2) The status of GPO_xx pin report the status of the > corresponding GPI_xx pin when using the "gpio status" command. > > 3) The gpio driver may setup the direction register for the wrong > gpio when calling "gpio_direction_input" (GPI_xx) or > "gpio_direction_output" (GPO_xx) on port 3; the call to the > direction is require to use the "gpio status" command. > > The following change were done in the driver: > 1) port3 GPI are cache in a separate 32 bits in the array. > 2) port3 direction register written only for GPIO pins. > 3) port3 GPO & GPIO (as output) are read using "p3_outp_state". > 4) LPC32XX_GPI_P3_GRP updated to match the change. > > Signed-off-by: Sylvain Lemieux <slemi...@tycoint.com>
Applied to u-boot/master, thanks! -- Tom
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