[U-Boot] [PATCH v4 3/3] dm:gpio:mxc add DT support

[Igor Grinberg <grinberg@compulab.co.il>]

On 02/10/15 08:46, Peng Fan wrote:
> This patch add DT support for mxc gpio driver.
> 
> There are one place using CONFIG_OF_CONTROL macro.
> 1. The U_BOOT_DEVICES and mxc_plat array are complied out. To DT,
>    platdata is alloced using calloc, so there is no need to use mxc_plat.
> 
> The following situations are tested, and all work fine:
> 1. with DM, without DT
> 2. with DM and DT
> 3. without DM
> Since device tree has not been upstreamed, if want to test this patch.
> The followings need to be done.
>  + pieces of code does not gpio_request when using gpio_direction_xxx and
>    etc, need to request gpio.
>  + move the gpio settings from board_early_init_f to board_init
>  + define CONFIG_DM ,CONFIG_DM_GPIO and CONFIG_OF_CONTROL
>  + Add device tree file and do related configuration in
>    `make ARCH=arm menuconfig`
> These will be done in future patches by step.
> 
> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>

Acked-by: Igor Grinberg <grinberg@compulab.co.il>

-- 
Regards,
Igor.