[PATCH 4/4] arm64: dts: qcom: sm7225-fairphone-fp4: Enable CCI pull-up
From: Luca Weiss
Date: Tue Dec 09 2025 - 20:08:05 EST
Enable vreg_l6p, which is the voltage source for the pull-up resistor of
the CCI busses.
This ensures that I2C communication works as expected.
Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
index 0cfb24e3941d..a3c2b26736f4 100644
--- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
+++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
@@ -693,6 +693,8 @@ vreg_l6p: ldo6 {
regulator-name = "vreg_l6p";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1800000>;
+ /* Pull-up for CCI I2C busses */
+ regulator-always-on;
};
vreg_l7p: ldo7 {
--
2.52.0