From 0f6aa56d2852e927ba94fbd2f91e5499c1479dad Mon Sep 17 00:00:00 2001 From: johnwc_yeh Date: Thu, 19 Jan 2023 16:47:04 +0800 Subject: winterhold: adjusts phase comparator threshold offset Modify 0x39 Forward Buck Phase Comparator Threshold Offset bit<15:13> from 000=0mV to 100=-4mV. BUG=b:265862821 BRANCH=none TEST=fix charger stuck in CCM problem and S5 power consumption can meet < 0.5W criteria. Change-Id: Ifd2c0ddd9403670ca6cebca93f9e84cd09682fba Signed-off-by: johnwc_yeh Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4179443 Reviewed-by: Elthan Huang Reviewed-by: Diana Z --- zephyr/program/skyrim/winterhold/project.conf | 3 +++ 1 file changed, 3 insertions(+) (limited to 'zephyr/program/skyrim/winterhold') diff --git a/zephyr/program/skyrim/winterhold/project.conf b/zephyr/program/skyrim/winterhold/project.conf index c962d95abe..9938196f0c 100644 --- a/zephyr/program/skyrim/winterhold/project.conf +++ b/zephyr/program/skyrim/winterhold/project.conf @@ -21,6 +21,9 @@ CONFIG_PLATFORM_EC_CHARGER_ISL9238C=y CONFIG_PLATFORM_EC_ISL9238C_ENABLE_BUCK_MODE=y CONFIG_PLATFORM_EC_CHARGER_PROFILE_OVERRIDE=y +# Forward Buck Phase Comparator bit<15:13> to 100=-4mV +CONFIG_PLATFORM_EC_ISL9238C_BUCK_PHASE_VOLTAGE=4 + # Get the vbus voltage from TCPC CONFIG_PLATFORM_EC_USB_PD_VBUS_MEASURE_CHARGER=n CONFIG_PLATFORM_EC_USB_PD_VBUS_MEASURE_TCPC=y -- cgit v1.2.1