On 08/10/2022 09:42, Biju Das wrote:
>>>> + "tgia8", "tgib8", "tgic8", "tgid8",
>>> "tgiv8", "tgiu8";
>>>> + clocks = <&cpg CPG_MOD R9A07G044_MTU_X_MCK_MTU3>;
>>>> + power-domains = <&cpg>;
>>>> + resets = <&cpg R9A07G044_MTU_X_PRESET_MTU3>;
>>>> +
>>>> + counter {
>>>> + compatible = "renesas,rz-mtu3-counter";
>>>
>>> You don't have any resources for the counter in DT, so you don't
>> even
>>> need a node here. Just have the parent driver instaniate the counter
>>> driver.
>>
>
> If I remove "renesas,rz-mtu3-counter" and "renesas,rz-mtu3-pwm" then instantiating
> the counter and pwm driver from parent driver by directly calling probe function is
> giving cyclic dependency error[1].
How is this related to DT? Purpose of DT is not to solve your probe
problems.
>
> So looks like either we need to use compatible "renesas,rz-mtu3-counter" and
> "renesas,rz-mtu3-pwm" if these functionalities to be in respective subsystem tree
>
No, you don't need. Your driver implementation is not really related to
the bindings.
Best regards,
Krzysztof
