[PATCH 1/3] mx25: add watchdog clock

[Baruch Siach]

Hi Wolfram,

On Thu, Jun 10, 2010 at 10:10:42AM +0200, Wolfram Sang wrote:
> On Wed, Jun 09, 2010 at 02:07:00PM +0300, Baruch Siach wrote:
> > Signed-off-by: Baruch Siach <baruch at tkos.co.il>
> > ---
> >  arch/arm/mach-mx25/clock.c |    2 ++
> >  1 files changed, 2 insertions(+), 0 deletions(-)
> > 
> > diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
> > index 1550149..f9662d9 100644
> > --- a/arch/arm/mach-mx25/clock.c
> > +++ b/arch/arm/mach-mx25/clock.c
> > @@ -191,6 +191,7 @@ DEFINE_CLOCK(i2c_clk,	 0, CCM_CGCR0,  6, get_rate_i2c, NULL, NULL);
> >  DEFINE_CLOCK(fec_clk,	 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk);
> >  DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1,  8, get_rate_ipg, NULL, NULL);
> >  DEFINE_CLOCK(lcdc_clk,	 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk);
> > +DEFINE_CLOCK(wdt_clk,    0, CCM_CGCR1, 19, get_rate_ipg, NULL,  NULL);
> 
> That is clk_gpt1 according to my RM (Rev 1)?

Right. It should be CCM_CGCR2. I'll fix this.

Note that this bit is marked "Reserved" in the RM. But a look at the Freescale 
supplied BSP reveals the following line in crm_regs.h:

#define MXC_CCM_CGCR2_WDOG_OFFSET        (51-32)

baruch

> >  
> >  #define _REGISTER_CLOCK(d, n, c)	\
> >  	{				\
> > @@ -225,6 +226,7 @@ static struct clk_lookup lookups[] = {
> >  	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
> >  	_REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
> >  	_REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
> > +	_REGISTER_CLOCK("imx-wdt.0", NULL, wdt_clk)
> >  };
> >  
> >  int __init mx25_clocks_init(void)
> > -- 
> > 1.7.1

-- 
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