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| author | Jett Rink <jettrink@chromium.org> | 2018-08-07 14:52:04 -0600 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-08-23 17:42:49 -0700 |
| commit | 7487f9eef6159b9b3253b4d30e9dd0b114bd07e1 (patch) | |
| tree | 21b506771c042375da02ff0f1171b7f6712d699b /include/usbc_ppc.h | |
| parent | eab2576658393d15af7fc55e97e827951cafa05e (diff) | |
| download | chrome-ec-7487f9eef6159b9b3253b4d30e9dd0b114bd07e1.tar.gz | |
sn5s330: add low power mode
Add a low power mode method for PPCs behind a new config.
Implement the low power method for SN5S330 based off of TI AE
recommendation.
BRANCH=none
BUG=b:111520593,b:111006203
TEST=CL stack produce lower power during bip hibernate
Change-Id: Icd22f88a8f65c2cd5ab1c95b0750b1eb61e91923
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1166183
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Diffstat (limited to 'include/usbc_ppc.h')
| -rw-r--r-- | include/usbc_ppc.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/usbc_ppc.h b/include/usbc_ppc.h index d65fa79f0e..a93f7e7109 100644 --- a/include/usbc_ppc.h +++ b/include/usbc_ppc.h @@ -106,6 +106,15 @@ struct ppc_drv { */ int (*is_vbus_present)(int port); #endif /* defined(CONFIG_USB_PD_VBUS_DETECT_PPC) */ + + /** + * Optional method to put the PPC into its lowest power state. In this + * state it should still fire interrupts if Vbus changes etc. + * + * @param port: The Type-C port number. + * @return EC_SUCCESS on success, error otherwise. + */ + int (*enter_low_power_mode)(int port); }; struct ppc_config_t { @@ -203,4 +212,14 @@ int ppc_vbus_source_enable(int port, int enable); */ void board_overcurrent_event(int port); +/** + * Put the PPC into its lowest power state. In this state it should still fire + * interrupts if Vbus changes etc. This is called by board-specific code when + * appropriate. + * + * @param port: The Type-C port number. + * @return EC_SUCCESS on success, error otherwise. + */ +int ppc_enter_low_power_mode(int port); + #endif /* !defined(__CROS_EC_USBC_PPC_H) */ |