[U-Boot] [RESEND PATCH 5/5] clk: add enable() callback
Simon Glass
sjg at chromium.org
Mon Dec 28 15:20:44 CET 2015
Hi Masahiro,
On 22 December 2015 at 03:04, Masahiro Yamada
<yamada.masahiro at socionext.com> wrote:
> The most basic thing for clock is to enable it, but it is missing
> in this uclass.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> ---
>
> include/clk.h | 9 +++++++++
> 1 file changed, 9 insertions(+)
Acked-by: Simon Glass <sjg at chromium.org>
Thinking ahead, should we have disable() also, or maybe replacing both
with set_enable(bool enable) would be better?
>
> diff --git a/include/clk.h b/include/clk.h
> index 518cb47..ce2db41 100644
> --- a/include/clk.h
> +++ b/include/clk.h
> @@ -33,6 +33,15 @@ struct clk_ops {
> ulong (*set_rate)(struct udevice *dev, ulong rate);
>
> /**
> + * enable() - Enable the clock for a peripheral
> + *
> + * @dev: clock provider
> + * @periph: Peripheral ID to enable
> + * @return zero on success, or -ve error code
> + */
> + int (*enable)(struct udevice *dev, int periph);
> +
> + /**
> * get_periph_rate() - Get clock rate for a peripheral
> *
> * @dev: Device to check (UCLASS_CLK)
> --
> 1.9.1
>
Regards,
Simon
More information about the U-Boot
mailing list