On 04/05/10 18:55, yajin wrote:
> Gdium uses different freq of mclk&m1xclk of sm501. This seems a dirty
> hack. Maybe we need a configuration option for changing the freq of
> these clocks.
>
> Signed-off-by: yajin <yajin@xxxxxxxxxxxxx>
> ---
> drivers/mfd/sm501.c | 9 +++++++--
> 1 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
> index ce5dfce..5e55cbd 100644
> --- a/drivers/mfd/sm501.c
> +++ b/drivers/mfd/sm501.c
> @@ -1606,10 +1606,15 @@ static struct sm501_initdata sm501_pci_initdata = {
> .devices = SM501_USE_ALL,
>
> /* Errata AB-3 says that 72MHz is the fastest available
> - * for 33MHZ PCI with proper bus-mastering operation */
> -
> + * for 33MHZ PCI with proper bus-mastering operation
> + * For gdium, it works under 84&112M clock freq.*/
> +#ifdef CONFIG_DEXXON_GDIUM
> + .mclk = 84 * MHZ,
> + .m1xclk = 112 * MHZ,
> +#else
I think these frequencies are out of spec for the SM501,
Plus, it is a hack.
Does it not work at 72/144?
> .mclk = 72 * MHZ,
> .m1xclk = 144 * MHZ,
> +#endif
> };
>
> static struct sm501_platdata_fbsub sm501_pdata_fbsub = {
