[PATCH v8 3/6] dt-bindings: pwm: airoha: Add EN7581 pwm

[Benjamin Larsson]

On 21/10/2024 21:00, Rob Herring wrote:
>> +  airoha,sipo-clock-divisor:
>> +    description: Declare Shift Register chip clock divisor (clock source is
>> +      from SoC APB Clock)
> Where is the clock source defined?
>
> You can specify the PWM frequency in PWM cells and should be able to get
> the APB Clock frequency. Then you can calculate the divider.

Hi this controls SRCLK for shift registers.

https://www.ti.com/lit/ds/symlink/sn74hc595.pdf page 8 has the limits 
for this chip.

I am fine with removal of this option. The main use of this pwm driver 
is for leds and for that purpose the default is ok.

But I will try to get a value for the clock source, I guess with that 
value the option can stay in.

MvH

Benjamin Larsson