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

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Date:   Tue, 11 Apr 2023 10:13:24 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Mason Huo <mason.huo@...rfivetech.com>
CC:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Shengyu Qu <wiagn233@...look.com>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v1 1/3] riscv: dts: starfive: Enable axp15060 pmic for
 cpufreq

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@...rfivetech.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@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 {
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-min-microvolt = <500000>;
> +				regulator-max-microvolt = <1540000>;
> +				regulator-name = "vdd-cpu";
> +			};
> +		};
> +	};
>  };
>  
>  &i2c6 {
> -- 
> 2.39.2
> 

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