Re: [PATCH] mips: dts: ingenic: x1000: Add PWM device tree node

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On Mon, Apr 11, 2022 at 08:41:26PM +0800, Zhou Yanjie wrote:
> Hi Aidan,
> 
> On 2022/4/11 下午6:01, Aidan MacDonald wrote:
> > Copied from the jz4740 devicetree and trimmed to 5 timers, which
> > is what the hardware supports.
> >
> > Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@xxxxxxxxx>
> > ---
> >   arch/mips/boot/dts/ingenic/x1000.dtsi | 13 +++++++++++++
> >   1 file changed, 13 insertions(+)
> >
> > diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi
> > index 8bd27edef216..0dcf37527c8e 100644
> > --- a/arch/mips/boot/dts/ingenic/x1000.dtsi
> > +++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
> > @@ -127,6 +127,19 @@ wdt: watchdog@0 {
> >   			clocks = <&tcu TCU_CLK_WDT>;
> >   			clock-names = "wdt";
> >   		};
> > +
> > +		pwm: pwm@40 {
> > +			compatible = "ingenic,x1000-pwm";
> > +			reg = <0x40 0x80>;
> 
> 
> It seems more reasonable to use "reg = <0x40 0x80>" since the
> X1000 has only 5 PWM channels.

I think you mean "reg = <0x40 0x60>" but I'll do that, thanks!

> > +
> > +			#pwm-cells = <3>;
> > +
> > +			clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>,
> > +				 <&tcu TCU_CLK_TIMER2>, <&tcu TCU_CLK_TIMER3>,
> > +				 <&tcu TCU_CLK_TIMER4>;
> > +			clock-names = "timer0", "timer1", "timer2",
> > +				      "timer3", "timer4";
> 
> 
> One line is now allowed to hold at most 100 characters,
> so it is possible to use only one line like:
> 
>          clock-names = "timer0", "timer1", "timer2", "timer3", "timer4";
> 
> to reduce the number of lines in the dtsi file.

Sounds good to me.

> 
> 
> Thanks and best regards!
> 
> 
> > +		};
> >   	};
> >   
> >   	rtc: rtc@10003000 {

Regards,
Aidan



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