[PATCH 4/9] arm: imx: imx8mm: add enable_pwm_clk function

[Tommaso Merciai]

On Wed, Mar 16, 2022 at 10:05:47AM +0100, Michael Nazzareno Trimarchi wrote:
> Hi
> 
> On Wed, Mar 16, 2022 at 10:02 AM Tommaso Merciai
> <tommaso.merciai at amarulasolutions.com> wrote:
> >
> > Add function to enable_pwm_clck function into clock_imx8mm.c. This
> > function first configure, then enable pwm1 clock from clock control
> > register. The following configuration is used:
> >
> > source(0) -> 24 MHz ref clock
> > div(0)    -> no division for this clock
> >
> > References:
> >  - iMX8MMRM.pdf p 303
> >
> > Signed-off-by: Tommaso Merciai <tommaso.merciai at amarulasolutions.com>
> > ---
> >  arch/arm/mach-imx/imx8m/clock_imx8mm.c | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> >
> > diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mm.c b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
> > index 49945faf2c..5f2eddf715 100644
> > --- a/arch/arm/mach-imx/imx8m/clock_imx8mm.c
> > +++ b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
> > @@ -313,6 +313,17 @@ void enable_usboh3_clk(unsigned int enable)
> >         }
> >  }
> >
> > +void enable_pwm_clk(unsigned char enable)
> > +{
> > +       if (enable) {
> > +               clock_enable(CCGR_PWM1, false);
> > +               clock_set_target_val(PWM1_CLK_ROOT, CLK_ROOT_ON | CLK_ROOT_SOURCE_SEL(0) |CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1));
> > +               clock_enable(CCGR_PWM1, true);
> > +       } else {
> > +               clock_enable(CCGR_PWM1, false);
> > +       }
> > +}
> > +
> 
> Show not be somenthing like
> enable_pwm_clk(enum pwm_id, bool enable)
> 
> ?

Hi,
Like init_clk_usdhc(u32 index) function in clock_imx8mm.c?
Ack, I'll send v2.

Thanks,
Tommaso

> 
> >  void init_uart_clk(u32 index)
> >  {
> >         /*
> > --
> > 2.25.1
> >
> 
> 
> -- 
> Michael Nazzareno Trimarchi
> Co-Founder & Chief Executive Officer
> M. +39 347 913 2170
> michael at amarulasolutions.com
> __________________________________
> 
> Amarula Solutions BV
> Joop Geesinkweg 125, 1114 AB, Amsterdam, NL
> T. +31 (0)85 111 9172
> info at amarulasolutions.com
> www.amarulasolutions.com

-- 
Tommaso Merciai
Embedded Linux Engineer
tommaso.merciai at amarulasolutions.com
__________________________________

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