Re: [PATCH v1 3/3] riscv: dts: starfive: Add cpu scaling for JH7110 SoC

From: Mason Huo
Date: Tue Apr 11 2023 - 22:36:05 EST




On 2023/4/11 17:06, Conor Dooley wrote:
> Hey Mason,
>
> On Tue, Apr 11, 2023 at 04:32:57PM +0800, Mason Huo wrote:
>> Add the operating-points-v2 to support cpu scaling
>> on StarFive JH7110 SoC.
>
> (btw, there's no need to wrap commit messages at 52 columns, you have
> 72 to work with)
>
Hi Conor,

Thanks for your review.
Will place it in the same line.

>> It supports up to 4 cpu frequency loads.
>>
>> Signed-off-by: Mason Huo <mason.huo@xxxxxxxxxxxxxxxx>
>> ---
>> .../jh7110-starfive-visionfive-2.dtsi | 25 +++++++++++++++++++
>> arch/riscv/boot/dts/starfive/jh7110.dtsi | 25 +++++++++++++++++++
>> 2 files changed, 50 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 df582bddae4b..ae446b268e78 100644
>> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> @@ -228,3 +228,28 @@ &uart0 {
>> pinctrl-0 = <&uart0_pins>;
>> status = "okay";
>> };
>> +
>> +&U74_1 {
>> + clocks = <&syscrg JH7110_SYSCLK_CPU_CORE>;
>> + clock-names = "cpu";
>> + cpu-supply = <&reg_dcdc2>;
>> +};
>> +
>> +&U74_2 {
>> + clocks = <&syscrg JH7110_SYSCLK_CPU_CORE>;
>> + clock-names = "cpu";
>> + cpu-supply = <&reg_dcdc2>;
>> +};
>> +
>> +&U74_3 {
>> + clocks = <&syscrg JH7110_SYSCLK_CPU_CORE>;
>> + clock-names = "cpu";
>> + cpu-supply = <&reg_dcdc2>;
>> +};
>> +
>> +&U74_4 {
>> + clocks = <&syscrg JH7110_SYSCLK_CPU_CORE>;
> ^^
> There's a double space in each of these.
>
>> + clock-names = "cpu";
>> + cpu-supply = <&reg_dcdc2>;
>> +};
>
> How come these two clock properties are being added in <board>.dtsi?
> Should they not be in <soc>.dtsi?
>> Thanks,
> Conor.
Yes, will move them to <soc>.dtsi

Thanks
Mason