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| author | tony.tang <tony.tang@lcfc.corp-partner.google.com> | 2023-01-11 18:04:06 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-01-30 02:53:34 +0000 |
| commit | 4527f51ccb9c23247f7725fa5f181756850eb7d1 (patch) | |
| tree | 3f41bad74280437419b915fbe44fbf1b3abf7979 | |
| parent | 0f6aa56d2852e927ba94fbd2f91e5499c1479dad (diff) | |
| download | chrome-ec-4527f51ccb9c23247f7725fa5f181756850eb7d1.tar.gz | |
RAA489000: support modify OCP level margin
support modify OCP level margin
BUG=b:263996465
BRANCH=none
TEST=zmake build pujjo
Change-Id: I53a88053b0d1fee80b0e53c0e6bd7ece671b3c67
Signed-off-by: tony.tang <tony.tang@lcfc.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4154456
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
| -rw-r--r-- | driver/tcpm/raa489000.h | 5 | ||||
| -rw-r--r-- | zephyr/Kconfig.tcpm | 14 |
2 files changed, 19 insertions, 0 deletions
diff --git a/driver/tcpm/raa489000.h b/driver/tcpm/raa489000.h index 41a37f94e7..b0bb202f98 100644 --- a/driver/tcpm/raa489000.h +++ b/driver/tcpm/raa489000.h @@ -39,7 +39,12 @@ /* VBUS_OCP_UV_THRESHOLD */ /* Detect voltage level of overcurrent protection during Sourcing VBUS */ +#ifdef CONFIG_PLATFORM_EC_RAA489000_OCP_UV_THRESHOLD_MV +#define RAA489000_OCP_THRESHOLD_VALUE \ + (CONFIG_PLATFORM_EC_RAA489000_OCP_UV_THRESHOLD_MV / 25) +#else #define RAA489000_OCP_THRESHOLD_VALUE 0x00BE /* 4.75V */ +#endif /* TYPEC_SETTING1 - only older silicon */ /* Enables for reverse current protection */ diff --git a/zephyr/Kconfig.tcpm b/zephyr/Kconfig.tcpm index d2783e9f0a..6651336954 100644 --- a/zephyr/Kconfig.tcpm +++ b/zephyr/Kconfig.tcpm @@ -236,6 +236,20 @@ config PLATFORM_EC_USB_PD_TCPM_RAA489000 Build drivers for the RAA489000, a combined battery charger and USB-C TCPCI. +if PLATFORM_EC_USB_PD_TCPM_RAA489000 + +config PLATFORM_EC_RAA489000_OCP_UV_THRESHOLD_MV + int "Undervoltage threshold while sourcing VBUS (mV)" + default 4750 + help + Sets the RAA489000 undervoltage theshold when sourcing VBUS, in mV. + + If VBUS drops below this level while sourcing, the chip disables sourcing + under the assumption that too much current was being drawn. Rated accuracy + of this measurement is 5%, with 25 mV resolution. + +endif + config PLATFORM_EC_USB_PD_TCPM_RT1715 bool "Richtek RT1715 Type-C Port Controller" help |