[PATCH 05/13] ARM: clps711x: Using COMMON_CLK

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Mon Mar 11 07:58:07 EDT 2013


On 15:26 Mon 11 Mar     , Alexander Shiyan wrote:
> Hello.
> 
> > On 13:26 Mon 11 Mar     , Alexander Shiyan wrote:
> > > This patch adds support for COMMON_CLK API for CLPS711X targets.
> > > 
> > > Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
> ...
> > > +	/* Turn timers in free running mode */
> > >  	tmp = readl(SYSCON1);
> > > -	tmp &= ~SYSCON1_TC2M;	/* Free running mode */
> > > -	tmp |= SYSCON1_TC2S;	/* High frequency source */
> > > +	tmp &= ~(SYSCON1_TC1M | SYSCON1_TC2M);
> > >  	writel(tmp, SYSCON1);
> > this is timer configuration not clocks
> 
> We need to read counter value for clocksource, so we need to ensure
> that we have full range of values (0x0 - 0xffff). It mean that timer/counters
> should not be in prescaler mode. All correct.
as on ARM this timer config no clocks
> Thanks.
> 
> ---



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