* clock consumer for output clocks?
@ 2022-06-01 14:15 Alexander Stein
2022-06-16 2:52 ` Stephen Boyd
0 siblings, 1 reply; 3+ messages in thread
From: Alexander Stein @ 2022-06-01 14:15 UTC (permalink / raw)
To: linux-clk
Hi,
I want to use an output clock, which provides some internal clock on an putput
pad, such as IMX8MP_CLK_CLKOUT1 or IMX6QDL_CLK_CKO.
To prepare and enable a clock I need a consumer, but in my case there is no
(local) consumer. Is there some way, DT node or some kind of driver/uapi,
which I can use to enable the clock?
Best regards,
Alexander
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: clock consumer for output clocks?
2022-06-01 14:15 clock consumer for output clocks? Alexander Stein
@ 2022-06-16 2:52 ` Stephen Boyd
2022-06-16 11:52 ` (EXT) " Alexander Stein
0 siblings, 1 reply; 3+ messages in thread
From: Stephen Boyd @ 2022-06-16 2:52 UTC (permalink / raw)
To: Alexander Stein, linux-clk
Quoting Alexander Stein (2022-06-01 07:15:54)
> Hi,
>
> I want to use an output clock, which provides some internal clock on an putput
> pad, such as IMX8MP_CLK_CLKOUT1 or IMX6QDL_CLK_CKO.
> To prepare and enable a clock I need a consumer, but in my case there is no
> (local) consumer. Is there some way, DT node or some kind of driver/uapi,
> which I can use to enable the clock?
I think you want to use an "always-on-clocks" property in DT for your
device. See the proposal[1].
[1] https://lore.kernel.org/linux-clk/20220517235919.200375-1-marex@denx.de
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: (EXT) Re: clock consumer for output clocks?
2022-06-16 2:52 ` Stephen Boyd
@ 2022-06-16 11:52 ` Alexander Stein
0 siblings, 0 replies; 3+ messages in thread
From: Alexander Stein @ 2022-06-16 11:52 UTC (permalink / raw)
To: linux-clk, Stephen Boyd
Hello Stephen,
Am Donnerstag, 16. Juni 2022, 04:52:50 CEST schrieb Stephen Boyd:
> Quoting Alexander Stein (2022-06-01 07:15:54)
>
> > Hi,
> >
> > I want to use an output clock, which provides some internal clock on an
> > putput pad, such as IMX8MP_CLK_CLKOUT1 or IMX6QDL_CLK_CKO.
> > To prepare and enable a clock I need a consumer, but in my case there is
> > no
> > (local) consumer. Is there some way, DT node or some kind of driver/uapi,
> > which I can use to enable the clock?
>
> I think you want to use an "always-on-clocks" property in DT for your
> device. See the proposal[1].
>
> [1] https://lore.kernel.org/linux-clk/20220517235919.200375-1-marex@denx.de
Nice, this looks interesting. Thanks for the link.
Best regards,
Alexander
^ permalink raw reply [flat|nested] 3+ messages in thread
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