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| author | Ting Shen <phoenixshen@google.com> | 2022-04-28 16:24:14 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-05-12 10:44:56 +0000 |
| commit | d1b1f0e60dd901a27d34b4a6dfd9df7c22d47bba (patch) | |
| tree | 0e8573c9d87a1a7f7ab3a6b2d4f896b975c7e9a7 | |
| parent | e0b1b73469d097591a154fa6c5e1b0117c27651b (diff) | |
| download | chrome-ec-d1b1f0e60dd901a27d34b4a6dfd9df7c22d47bba.tar.gz | |
Krabby: add charger EOC deglitch workaround
Vendor provided workaround, see b/230442545#comment3
BUG=b:230442545
TEST=make
BRANCH=none
Signed-off-by: Ting Shen <phoenixshen@google.com>
Change-Id: I86c9dd0d615c5ebff82429a2dbc11a4bd2f37fc2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3613148
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: Eric Yilun Lin <yllin@google.com>
Tested-by: Ting Shen <phoenixshen@chromium.org>
| -rw-r--r-- | driver/charger/rt9490.h | 1 | ||||
| -rw-r--r-- | zephyr/projects/corsola/src/krabby/charger_workaround.c | 15 |
2 files changed, 16 insertions, 0 deletions
diff --git a/driver/charger/rt9490.h b/driver/charger/rt9490.h index ffc7f4089d..2fd0edbac2 100644 --- a/driver/charger/rt9490.h +++ b/driver/charger/rt9490.h @@ -235,6 +235,7 @@ struct rt9490_init_setting { /* ADD CTRL0 */ #define RT9490_AUTO_AICR BIT(5) +#define RT9490_TD_EOC BIT(4) #define RT9490_AUTO_MIVR BIT(2) #define RT9490_JEITA_COLD_HOT BIT(0) diff --git a/zephyr/projects/corsola/src/krabby/charger_workaround.c b/zephyr/projects/corsola/src/krabby/charger_workaround.c index 576ea65bc7..373917db56 100644 --- a/zephyr/projects/corsola/src/krabby/charger_workaround.c +++ b/zephyr/projects/corsola/src/krabby/charger_workaround.c @@ -72,10 +72,25 @@ static void pwm_freq_workaround(void) rt9490_enable_pwm_1mhz(CHARGER_SOLO, true); } +static void eoc_deglitch_workaround(void) +{ + if (system_get_board_version() != 1) { + return; + } + + /* set end-of-charge deglitch time to 2ms */ + i2c_update8(chg_chips[CHARGER_SOLO].i2c_port, + chg_chips[CHARGER_SOLO].i2c_addr_flags, + RT9490_REG_ADD_CTRL0, + RT9490_TD_EOC, + MASK_CLR); +} + static void board_rt9490_workaround(void) { ibus_adc_workaround(); i2c_speed_workaround(); pwm_freq_workaround(); + eoc_deglitch_workaround(); } DECLARE_HOOK(HOOK_INIT, board_rt9490_workaround, HOOK_PRIO_DEFAULT); |