[PATCH v1 1/3] riscv: dts: starfive: Enable axp15060 pmic for cpufreq

[Mason Huo]

On 2023/4/11 22:49, Shengyu Qu wrote:
>> On Tue, Apr 11, 2023 at 04:32:55PM +0800, Mason Huo wrote:
>>> The VisionFive 2 board has an embedded pmic axp15060,
>>> which supports the cpu DVFS through the dcdc2 regulator.
>>> This patch enables axp15060 pmic and configs the dcdc2.
>>>
>>> Signed-off-by: Mason Huo <mason.huo at starfivetech.com>
>>> ---
>>>   .../starfive/jh7110-starfive-visionfive-2.dtsi    | 15 +++++++++++++++
>>>   1 file changed, 15 insertions(+)
>>>
>>> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>>> index 2a6d81609284..df582bddae4b 100644
>>> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>>> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>>> @@ -114,6 +114,21 @@ &i2c5 {
>>>       pinctrl-names = "default";
>>>       pinctrl-0 = <&i2c5_pins>;
>>>       status = "okay";
>>> +
>>> +    pmic: axp15060_reg at 36 {
>> No underscores in node names please & "pmic" is the generic node name
>> for pmics.
>>
>> Cheers,
>> Conor.
>>
>>> +        compatible = "x-powers,axp15060";
>>> +        reg = <0x36>;
>>> +
>>> +        regulators {
>>> +            reg_dcdc2: dcdc2 {
> 
> reg_dcdc2 seems not a good name, too generic for identification. In most
> 
> cases, it's same as regulator-name but using "_" rather than "-".
> 
Hi Shengyu,

Thanks for your review.
Will change to "vdd_cpu".

>>> +                regulator-boot-on;
> 
> It should not be used,  in Documentation/devicetree/bindings/regulator
> 
> /regulator.yaml, it is described as follows:
> 
> "This property is intended to only be used for regulators where software
> 
> cannot read the state of the regulator."
> 
> In this case, regulator state is completely able to be read by driver.
> 
> Best regards,
> 
> Shengyu
>Will remove it.

Thanks
Mason