[PATCH v2 2/3] arm: davinci: clock node support for ECAP & EHRPWM
Philip, Avinash
avinashphilip at ti.com
Wed Mar 20 07:29:14 EDT 2013
On Wed, Mar 20, 2013 at 16:54:34, Nori, Sekhar wrote:
> On 3/20/2013 12:11 PM, Philip Avinash wrote:
> > Add clock node support for ECAP and EHRPWM modules.
> > Also adds TBCLK for EHRWPM TBCLK to comply with pwm-tiehrpwm
> > driver.
> >
> > Signed-off-by: Philip Avinash <avinashphilip at ti.com>
> > ---
> > Changes Since v1:
> > - TBCLK make it as actual clock with enable/disable feature.
> >
> > :100644 100644 0c4a26d... dbed75c... M arch/arm/mach-davinci/da850.c
> > :100644 100644 de439b7... be77ce2... M arch/arm/mach-davinci/include/mach/da8xx.h
> > arch/arm/mach-davinci/da850.c | 46 ++++++++++++++++++++++++++++
> > arch/arm/mach-davinci/include/mach/da8xx.h | 1 +
> > 2 files changed, 47 insertions(+)
> >
> > diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
> > index 0c4a26d..dbed75c 100644
> > --- a/arch/arm/mach-davinci/da850.c
> > +++ b/arch/arm/mach-davinci/da850.c
> > @@ -383,6 +383,49 @@ static struct clk dsp_clk = {
> > .flags = PSC_LRST | PSC_FORCE,
> > };
> >
> > +static struct clk ehrpwm_clk = {
> > + .name = "ehrpwm",
> > + .parent = &pll0_sysclk2,
> > + .lpsc = DA8XX_LPSC1_PWM,
> > + .gpsc = 1,
> > + .flags = DA850_CLK_ASYNC3,
> > +};
> > +
> > +#define DA8XX_EHRPWM_TBCLKSYNC BIT(12)
> > +
> > +void tblck_enable(struct clk *clk)
>
> This should be static. Also, since tbclk is associated with ehrpwm,
> please call the function ehrpwm_tbclk_enable().
Ok I will correct it.
Thanks
Avinash
>
> > +{
> > + u32 val;
> > +
> > + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
> > + val |= DA8XX_EHRPWM_TBCLKSYNC;
> > + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
> > +}
> > +
> > +void tblck_disable(struct clk *clk)
>
> Same comment as above applies.
>
> Thanks,
> Sekhar
>
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