Re: [PATCH RFC] clk: Introduce userspace clock driver

[SÃren Brinkmann]

On Thu, May 16, 2013 at 06:26:05PM +0100, Mark Brown wrote:
> On Thu, May 16, 2013 at 10:44:16AM -0400, Philip Balister wrote:
> > On 05/16/2013 12:28 AM, Saravana Kannan wrote:
> 
> > > Agreed. I was about to reply with exactly the same point. I haven't done
> > > any UIO coding, but that device file will eventually have to be opened.
> > > Turn on the clocks in the open and turn them off at close.
> 
> > > Rate to request can be a DT property.
> 
> > But you are assuming each device implemented in the fpga uses one clock.
> > This assumption is clearly not valid since devices will ahve to share
> > clocks.
> 
> The binding should obviously be defined as a set of clocks rather than a
> single clock - something like how we specify regulators on PMICs
> probably makes sense.  Each clock can have its own properties.
For a device driver as clock consumer, the bindings etc. are well
defined. Just add the 'clocks' and 'clock-names' props and use the CCF.

	SÃren


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