From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Tobias Heider <tobias.heider@canonical.com>
Cc: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Subject: Re: [PATCH v2 09/11] arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: Add l7b_2p8 voltage regulator for RGB camera
Date: Sat, 21 Mar 2026 21:54:47 +0000 [thread overview]
Message-ID: <fc1ff1de-2ca4-43aa-9def-4d5f78d6d7a0@linaro.org> (raw)
In-Reply-To: <CAARv3RSQbAQwDFsfBrcrkXem_jtVy0Xttqi1UZfuNT86twxmJw@mail.gmail.com>
On 21/03/2026 11:10, Tobias Heider wrote:
> I included this in my Ubuntu test kernel builds and got reports about
> reboot loops
> on the Lenovo Yoga Slim 7x.
>
> Your change seems to be based on
> https://github.com/alexVinarskis/linux/commit/
> a94d1f4e1d025398060d7e0dc2270b8e375f6f60
> which I had previously tested too and didn't see any issues with.
> The only difference is that your version uses different
> regulator-min-microvolt and
> regulator-max-microvolt values (3072000 vs 2800000).
>
> Setting them to 2800000 like in Aleksandrs patch seems to fix the boot issue.
>
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
Thank you for investigating this on real hardware.
I choose to stick to the regulator values apparent on the adjacent - but
apparently 2.8 is the right value.
Debug appreciated.
---
bod
next prev parent reply other threads:[~2026-03-21 21:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-16 1:12 [PATCH v2 00/11] arm64: dts: qcom: Add x1e/Hamoa camera DTSI Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 01/11] arm64: dts: qcom: x1e80100: Add CAMCC block definition Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 02/11] arm64: dts: qcom: x1e80100: Add CCI definitions Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 03/11] arm64: dts: qcom: x1e80100: Add CAMSS block definition Bryan O'Donoghue
2026-03-16 8:30 ` Neil Armstrong
2026-03-16 1:12 ` [PATCH v2 04/11] arm64: dts: qcom: x1e80100-crd: Add pm8010 CRD pmic,id=m regulators Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 05/11] arm64: dts: qcom: x1e80100-crd: Add ov08x40 RGB sensor on CSIPHY4 Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 06/11] arm64: dts: qcom: x1e80100-t14s: Add pm8010 camera PMIC with voltage levels for IR and RGB camera Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 07/11] arm64: dts: qcom: x1e80100-t14s: Add on ov02c10 RGB sensor on CSIPHY4 Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 08/11] arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: Add pm8010 camera PMIC with voltage levels for IR and RGB camera Bryan O'Donoghue
2026-03-16 1:12 ` [PATCH v2 09/11] arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: Add l7b_2p8 voltage regulator for " Bryan O'Donoghue
2026-03-21 11:10 ` Tobias Heider
2026-03-21 21:54 ` Bryan O'Donoghue [this message]
2026-03-16 1:12 ` [PATCH v2 10/11] arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: Add ov02c10 RGB sensor on CSIPHY4 Bryan O'Donoghue
2026-03-16 8:28 ` Neil Armstrong
2026-03-16 11:46 ` Bryan O'Donoghue
2026-03-18 9:26 ` Neil Armstrong
2026-03-27 12:47 ` Konrad Dybcio
2026-03-16 1:12 ` [PATCH v2 11/11] arm64: dts: qcom: x1e80100-dell-inspiron14-7441: Switch on CAMSS RGB sensor Bryan O'Donoghue
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