linux-kernel - [PATCH 3/4] arm64: dts: qcom: qcm6490-fairphone-fp5: Enable CCI pull-up

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Message-Id: <20251002-dw9800-driver-v1-3-c305328e44f0@fairphone.com>
Date: Thu, 02 Oct 2025 12:15:35 +0200
From: Griffin Kroah-Hartman <griffin.kroah@...rphone.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, 
 Daniel Scally <djrscally@...il.com>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 André Apitzsch <git@...tzsch.eu>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, 
 Griffin Kroah-Hartman <griffin.kroah@...rphone.com>
Subject: [PATCH 3/4] arm64: dts: qcom: qcm6490-fairphone-fp5: Enable CCI
 pull-up

Enable vreg_l6p which is used as a pull-up for the CCI busses, to make
sure I2C communication works as expected.

Signed-off-by: Griffin Kroah-Hartman <griffin.kroah@...rphone.com>
---
 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
index e115b6a52b299ef663ccfb614785f8f89091f39d..2dd2c452592aa6b0ac826f19eb9cb1a8b90cee47 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
@@ -749,6 +749,8 @@ vreg_l6p: ldo6 {
 				regulator-name = "vreg_l6p";
 				regulator-min-microvolt = <1700000>;
 				regulator-max-microvolt = <1904000>;
+				/* Pull-up for CCI I2C busses */
+				regulator-always-on;
 			};
 
 			vreg_l7p: ldo7 {

-- 
2.43.0