[U-Boot] [PATCH v6 03/12] tegra: Convert tegra GPIO driver to use driver model

[Simon Glass]

Hi,

On 11 August 2014 09:23, Simon Glass <sjg at chromium.org> wrote:
>
> This is an implementation of GPIOs for Tegra that uses driver model. It has
> been tested on trimslice and also using the new iotrace feature.
>
> The implementation uses a top-level GPIO device (which has no actual GPIOS).
> Under this all the banks are created as separate GPIO devices.
>
> The GPIOs are named as per the Tegra datasheet/header files: A0..A7, B0..B7,
> ..., Z0..Z7, AA0..AA7, etc.
>
> Since driver model is not yet available before relocation, or in SPL, a
> special function is provided for seaboard's SPL code.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>


Any comments on this one please?

>
> ---
>
> Changes in v6:
> - Use base_gpio instead of base_port for simplicity
> - Add an implementation of the get_function() method
>
> Changes in v5: None
> Changes in v4:
> - Rename struct device to struct udevice
>
> Changes in v3:
> - Move dm command enable to previous patch
> - Use gpio number for the internal helper functions
>
> Changes in v2:
> - Split out driver model changes into separate patches
> - Correct bugs found during testing
>
>  arch/arm/include/asm/arch-tegra/gpio.h |  15 +-
>  board/nvidia/seaboard/seaboard.c       |   2 +-
>  drivers/gpio/tegra_gpio.c              | 326 +++++++++++++++++++++++++++------
>  include/configs/tegra-common.h         |   1 +
>  4 files changed, 282 insertions(+), 62 deletions(-)
>

Regards,
Simon