[U-Boot] [PATCH] ipu_common: Let the MX6 IPU clock be calculated in run-time

[Anatolij Gustschin]

Hi Fabio,

On Wed,  6 Sep 2017 13:49:31 -0300
Fabio Estevam festevam at gmail.com wrote:

> From: Fabio Estevam <fabio.estevam at nxp.com>
> 
> MX6Q/QP IPU operates at 264MHz and MX6DL IPU at 198MHz.
> 
> When running a SPL target, which supports multiple MX6 variants we cannot
> properly setup the IPU clock frequency via CONFIG_IPUV3_CLK option as
> such decision is done in build-time currently.
> 
> Remove the CONFIG_IPUV3_CLK option and let the IPU clock frequency be
> configured in run-time on mx6.
> 
> Reported-by: Eric Nelson <eric at nelint.com>
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
> ---
> Changes since v1:
> - Improve the mx6 detection logic (Troy)
> 
>  drivers/video/ipu_common.c            | 14 +++++++++++++-
>  include/configs/advantech_dms-ba16.h  |  1 -
>  include/configs/apalis_imx6.h         |  1 -
>  include/configs/aristainetos-common.h |  1 -
>  include/configs/cgtqmx6eval.h         |  4 ----
>  include/configs/cm_fx6.h              |  1 -
>  include/configs/colibri_imx6.h        |  1 -
>  include/configs/embestmx6boards.h     |  1 -
>  include/configs/ge_bx50v3.h           |  1 -
>  include/configs/gw_ventana.h          |  1 -
>  include/configs/imx6-engicam.h        |  1 -
>  include/configs/m53evk.h              |  1 -
>  include/configs/mx51evk.h             |  1 -
>  include/configs/mx53cx9020.h          |  1 -
>  include/configs/mx53loco.h            |  1 -
>  include/configs/mx6cuboxi.h           |  1 -
>  include/configs/mx6sabre_common.h     |  5 -----
>  include/configs/nitrogen6x.h          |  1 -
>  include/configs/novena.h              |  1 -
>  include/configs/tbs2910.h             |  1 -
>  include/configs/wandboard.h           |  1 -
>  scripts/config_whitelist.txt          |  1 -
>  22 files changed, 13 insertions(+), 29 deletions(-)

Applied to u-boot-video/master after fixing cgtqmx6eval build. Thanks!

...
> diff --git a/include/configs/cgtqmx6eval.h b/include/configs/cgtqmx6eval.h
> index 4996a89..6a6c063 100644
> --- a/include/configs/cgtqmx6eval.h
> +++ b/include/configs/cgtqmx6eval.h
> @@ -87,10 +87,6 @@
>  #define CONFIG_BMP_16BPP
>  #define CONFIG_VIDEO_LOGO
>  #define CONFIG_VIDEO_BMP_LOGO
> -#ifdef CONFIG_MX6DL
> -#define CONFIG_IPUV3_CLK 198000000
> -#else
> -#define CONFIG_IPUV3_CLK 264000000
>  #endif

dropped this #endif.

Thanks,

Anatolij