Linux ARM-MSM sub-architecture
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From: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.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: Mon, 27 Oct 2025 17:23:41 +0530	[thread overview]
Message-ID: <4265f8a8-b26d-45b3-9fdc-5438ea9e931b@quicinc.com> (raw)
In-Reply-To: <cb166706-af7d-40e7-84d5-57c028755cdf@oss.qualcomm.com>



On 10/23/2025 8:03 PM, Konrad Dybcio wrote:
> 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

Hi Konrad,

Thank you for reviewing the patch.
I will incorporate the suggested change in the next version.

Thanks & Regards,
Manikanta.


      reply	other threads:[~2025-10-27 11:53 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
2025-10-27 11:53   ` Manikanta Mylavarapu [this message]

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