linux-kernel - [PATCH v2 13/13] arm64: dts: qcom: sdm845-lg-judyln: Add lab/ibb

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250916-judyln-dts-v2-13-5e16e60263af@postmarketos.org>
Date: Tue, 16 Sep 2025 18:09:59 -0700
From: Paul Sajna <sajattack@...tmarketos.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org, 
 Amir Dahan <system64fumo@...tonmail.com>, 
 Christopher Brown <crispybrown@...il.com>, 
 Paul Sajna <sajattack@...tmarketos.org>
Subject: [PATCH v2 13/13] arm64: dts: qcom: sdm845-lg-judyln: Add lab/ibb

`regulator-always-on;` in ibb improves display blanking issue

Signed-off-by: Paul Sajna <sajattack@...tmarketos.org>
---
 arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
index beb1372dc6c17f5f06c2044412ee1c8165858cd1..44ab98964ffe722144e01efc41e135dc7700fe95 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
@@ -69,10 +69,28 @@ zap-shader {
 	};
 };
 
+&ibb {
+	regulator-min-microvolt = <4600000>;
+	regulator-max-microvolt = <6000000>;
+	regulator-over-current-protection;
+	regulator-pull-down;
+	regulator-soft-start;
+	regulator-always-on;
+	qcom,discharge-resistor-kohms = <300>;
+};
+
 &ipa {
 	firmware-name = "qcom/sdm845/LG/judyln/ipa_fws.mbn";
 };
 
+&lab {
+	regulator-min-microvolt = <4600000>;
+	regulator-max-microvolt = <6000000>;
+	regulator-over-current-protection;
+	regulator-pull-down;
+	regulator-soft-start;
+};
+
 &mdss {
 	status = "okay";
 };

-- 
2.51.0