[PATCH 4/4] arm64: dts: qcom: sm7225-fairphone-fp4: Enable CCI pull-up

Luca Weiss posted 4 patches 1 week, 1 day ago
[PATCH 4/4] arm64: dts: qcom: sm7225-fairphone-fp4: Enable CCI pull-up
Posted by Luca Weiss 1 week, 1 day ago
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@fairphone.com>
---
 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
Re: [PATCH 4/4] arm64: dts: qcom: sm7225-fairphone-fp4: Enable CCI pull-up
Posted by Konrad Dybcio 1 day, 20 hours ago
On 12/10/25 2:05 AM, Luca Weiss wrote:
> 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@fairphone.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad