Linux ARM-MSM sub-architecture
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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Paul Sajna <sajattack@postmarketos.org>,
	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>,
	David Heidelberg <david@ixit.cz>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org,
	Amir Dahan <system64fumo@protonmail.com>,
	Christopher Brown <crispybrown@gmail.com>
Subject: Re: [PATCH v4 10/12] arm64: dts: qcom: sdm845-lg-judyln: Add lab/ibb
Date: Mon, 1 Dec 2025 13:38:21 +0100	[thread overview]
Message-ID: <09e5d84c-39b7-45a9-b7d7-9beb54fb2f3f@oss.qualcomm.com> (raw)
In-Reply-To: <20251125-judyln-dts-v4-10-a5a60500b267@postmarketos.org>

On 11/25/25 9:12 AM, Paul Sajna wrote:
> These regulators are required for the LCD
> 
> Signed-off-by: Paul Sajna <sajattack@postmarketos.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index a61f7bd65a7a..3188334d269b 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -56,10 +56,27 @@ zap-shader {
>  	};
>  };
>  
> +&ibb {
> +	regulator-min-microvolt = <4600000>;
> +	regulator-max-microvolt = <6000000>;

Sorry for not responding earlier, you can retrieve the actual volt
numbers from the hardware by reading

PMI8998_IBB_REG_BASE + REG_LABIBB_VOLTAGE = 0xdc41

ibb_uV = 1.4 + .1 * val

PMI8998_LAB_REG_BASE + REG_LABIBB_VOLTAGE = 0xde41

lab_uV = 4.6 + .1 * val

Konrad

  reply	other threads:[~2025-12-01 12:38 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-25  8:12 [PATCH v4 00/12] arm64: dts: qcom: sdm845-lg-{common, judyln}: Improve HW support in dts Paul Sajna
2025-11-25  8:12 ` [PATCH v4 01/12] arm64: dts: qcom: sdm845-lg-common: Sort nodes and properties Paul Sajna
2025-11-25  8:12 ` [PATCH v4 02/12] arm64: dts: qcom: sdm845-lg-common: Add uarts and Bluetooth Paul Sajna
2025-11-25  8:12 ` [PATCH v4 03/12] arm64: dts: qcom: sdm845-lg-judyln: Add battery and charger Paul Sajna
2025-11-28 11:13   ` Konrad Dybcio
2025-11-25  8:12 ` [PATCH v4 04/12] arm64: dts: qcom: sdm845-lg-common: Add LEDs Paul Sajna
2025-11-28 11:14   ` Konrad Dybcio
2025-11-25  8:12 ` [PATCH v4 05/12] arm64: dts: qcom: sdm845-lg-judyln: Add display panel Paul Sajna
2025-12-01 12:44   ` Konrad Dybcio
2025-11-25  8:12 ` [PATCH v4 06/12] arm64: dts: qcom: sdm845-lg-judyln: Add firmware nodes, change path Paul Sajna
2025-11-25  9:29   ` David Heidelberg
2025-11-25  8:12 ` [PATCH v4 07/12] arm64: dts: qcom: sdm845-lg-{common, judyln}: Add wifi node Paul Sajna
2025-11-28 11:15   ` Konrad Dybcio
2025-11-25  8:12 ` [PATCH v4 08/12] arm64: dts: qcom: sdm845-lg-common: Add chassis-type Paul Sajna
2025-11-25  8:12 ` [PATCH v4 09/12] arm64: dts: qcom: sdm845-lg-common: Add camera flash Paul Sajna
2025-11-28 20:20   ` Paul Sajna
2025-12-01 11:42     ` Konrad Dybcio
2025-12-03  9:27       ` Paul Sajna
2025-12-04  9:17         ` Konrad Dybcio
2025-12-04 18:37           ` Paul Sajna
2025-12-05 10:32             ` Konrad Dybcio
2025-11-25  8:12 ` [PATCH v4 10/12] arm64: dts: qcom: sdm845-lg-judyln: Add lab/ibb Paul Sajna
2025-12-01 12:38   ` Konrad Dybcio [this message]
2025-12-02  4:21     ` Paul Sajna
2025-12-02 10:34       ` Konrad Dybcio
2025-11-25  8:12 ` [PATCH v4 11/12] arm64: dts: qcom: sdm845-lg-common: Change ipa gsi-loader to 'self' Paul Sajna
2025-11-25  8:12 ` [PATCH v4 12/12] arm64: dts: qcom: sdm845-lg-common: remove framebuffer reserved-mem Paul Sajna
2025-12-01 12:41   ` Konrad Dybcio
2025-12-02  4:41     ` Paul Sajna
2025-12-02 10:34       ` Konrad Dybcio
2025-12-03  8:42         ` Paul Sajna
2025-12-03 10:37           ` David Heidelberg
2025-12-03 10:45             ` David Heidelberg
2025-12-03 10:55               ` Konrad Dybcio
2025-11-25 18:09 ` [PATCH v4 00/12] arm64: dts: qcom: sdm845-lg-{common, judyln}: Improve HW support in dts Rob Herring

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