[U-Boot] [PATCH] Add inverted clock polarity support for Atmel LCD driver

[Jean-Christophe PLAGNIOL-VILLARD]

On 18:56 Wed 15 Jul     , Dimitar Dimitrov wrote:
> This is my third try for Olimex SAM9-L9260/61 board support patches. 
> 
> Here follows the first patch.
> ---
> 
> Boards utilizing the Atmel LCD driver can now specify that the LCD clock must
> be inverted by defining the macro CONFIG_LCD_INVERTED_CLOCK.
> ---
>  README                      |    5 +++++
>  drivers/video/atmel_lcdfb.c |    3 +++
>  2 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/README b/README
> index de700bd..d7c0afe 100644
> --- a/README
> +++ b/README
> @@ -1063,6 +1063,11 @@ The following options need to be configured:
>  		Normally display is black on white background; define
>  		CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
>  
> +		CONFIG_LCD_INVERTED_CLOCK
> +		Define this if your LCD needs inverted clock polarity. Note
> +		that this feature will work only if the selected LCD driver 
> +		and hardware controller support it.
> +
>  - Splash Screen Support: CONFIG_SPLASH_SCREEN
>  
>  		If this option is set, the environment is checked for
> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
> index db86763..d3e988e 100644
> --- a/drivers/video/atmel_lcdfb.c
> +++ b/drivers/video/atmel_lcdfb.c
> @@ -112,6 +112,9 @@ void lcd_ctrl_init(void *lcdbase)
>  
>  	value |= panel_info.vl_sync;
>  	value |= (panel_info.vl_bpix << 5);
> +#if defined(CONFIG_LCD_INVERTED_CLOCK)
> +	value |= ATMEL_LCDC_INVCLK_INVERTED;
> +#endif
NACK
	do this throught the struct via vl_sync as in linux

Best Regards,
J.