[U-Boot] [PATCH] video, ipu: make ldb_clock configurable

[Eric Nelson]

Hi Heiko,

On 04/12/2015 01:19 AM, Heiko Schocher wrote:
> make the ldb_clock configurable through the new define
> CONFIG_SYS_LDB_CLOCK. This is needed as the ldb clock is not
> always 650000000, for example on the aristainetos2 board,
> where the ldb clock derives from PLL5 clock.
> 
> Signed-off-by: Heiko Schocher <hs at denx.de>
> ---
> 
>  drivers/video/ipu_common.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
> index 5873531..1a209d4 100644
> --- a/drivers/video/ipu_common.c
> +++ b/drivers/video/ipu_common.c
> @@ -210,9 +210,13 @@ static struct clk ipu_clk = {
>  	.usecount = 0,
>  };
>  
> +#if !defined CONFIG_SYS_LDB_CLOCK

You might want to count the zeros here:

> +#define CONFIG_SYS_LDB_CLOCK 650000000

That big a number will break existing code.

> +#endif
> +
>  static struct clk ldb_clk = {
>  	.name = "ldb_clk",
> -	.rate = 65000000,
> +	.rate = CONFIG_SYS_LDB_CLOCK,
>  	.usecount = 0,
>  };
>  
> 

Tested-by: Eric Nelson <eric.nelson at boundarydevices.com>