Linux ARM-MSM sub-architecture
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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>,
	andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: quic_srichara@quicinc.com, quic_varada@quicinc.com,
	kathiravan.thirumoorthy@oss.qualcomm.com
Subject: Re: [PATCH v1] arm64: dts: qcom: ipq5424: add gpio regulator for cpu power supply
Date: Thu, 23 Oct 2025 16:33:39 +0200	[thread overview]
Message-ID: <cb166706-af7d-40e7-84d5-57c028755cdf@oss.qualcomm.com> (raw)
In-Reply-To: <20251023040224.1485946-1-quic_mmanikan@quicinc.com>

On 10/23/25 6:02 AM, Manikanta Mylavarapu wrote:
> Add a GPIO-controlled regulator node for the CPU rail on the
> IPQ5424 RDP466 platform. This regulator supports two voltage
> levels 850mV and 1000mV.
> 
> Update CPU nodes to reference the regulator via the `cpu-supply`
> property, and add the required pinctrl configuration for GPIO17.
> 
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 24 +++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/ipq5424.dtsi       |  4 ++++
>  2 files changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> index 738618551203..6d14eb2fe821 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
> @@ -46,6 +46,23 @@ led-0 {
>  		};
>  	};
>  
> +	vreg_apc: regulator-vreg-apc {
> +		compatible = "regulator-gpio";
> +		regulator-name = "vreg_apc";
> +		regulator-min-microvolt = <850000>;
> +		regulator-max-microvolt = <1000000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-ramp-delay = <250>;
> +
> +		gpios = <&tlmm 17 GPIO_ACTIVE_HIGH>;
> +		gpios-states = <1>;
> +		states = <850000 0>, <1000000 1>;

Atop Dmitry's comment, please make the states entries 1 a line

Konrad

  parent reply	other threads:[~2025-10-23 14:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-23  4:02 [PATCH v1] arm64: dts: qcom: ipq5424: add gpio regulator for cpu power supply Manikanta Mylavarapu
2025-10-23 14:12 ` Dmitry Baryshkov
2025-10-27 11:53   ` Manikanta Mylavarapu
2025-10-23 14:33 ` Konrad Dybcio [this message]
2025-10-27 11:53   ` Manikanta Mylavarapu

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