diff options
| author | Yidi Lin <yidi.lin@mediatek.com> | 2020-10-23 16:02:59 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2020-11-18 06:13:12 +0000 |
| commit | 99e6dd9f74c4d35189b078eda756575e642ca2c7 (patch) | |
| tree | 8c7d25ec12687a3ec5d661c7e0eda307a3b56026 /src | |
| parent | 9ee02095fa1b5c532f758e287401423138687b56 (diff) | |
| download | coreboot-99e6dd9f74c4d35189b078eda756575e642ca2c7.tar.xz | |
ec/google/chromeec: Add more wrappers for regulator control
google_chromeec_regulator_enable is for enabling/disabling
the regulator. google_chromeec_regulator_is_enabled is for
querying if the regulator is enabled.
BUG=b:168863056,b:147789962
BRANCH=none
TEST=emerge-asurada coreboot
Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Change-Id: Ia804242042b0026af19025a0c4a74b3ab8475dab
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46686
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/ec/google/chromeec/ec.c | 47 | ||||
| -rw-r--r-- | src/ec/google/chromeec/ec.h | 20 |
2 files changed, 67 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c index 2ffccbc77c..ed7f97dc43 100644 --- a/src/ec/google/chromeec/ec.c +++ b/src/ec/google/chromeec/ec.c @@ -1624,6 +1624,53 @@ int google_chromeec_ap_reset(void) return 0; } +int google_chromeec_regulator_enable(uint32_t index, uint8_t enable) +{ + struct ec_params_regulator_enable params = { + .index = index, + .enable = enable, + }; + struct chromeec_command cmd = { + .cmd_code = EC_CMD_REGULATOR_ENABLE, + .cmd_version = 0, + .cmd_data_in = ¶ms, + .cmd_size_in = sizeof(params), + .cmd_data_out = NULL, + .cmd_size_out = 0, + .cmd_dev_index = 0, + }; + + if (google_chromeec_command(&cmd)) + return -1; + + return 0; +} + +int google_chromeec_regulator_is_enabled(uint32_t index, uint8_t *enabled) +{ + + struct ec_params_regulator_is_enabled params = { + .index = index, + }; + struct ec_response_regulator_is_enabled resp = {}; + struct chromeec_command cmd = { + .cmd_code = EC_CMD_REGULATOR_IS_ENABLED, + .cmd_version = 0, + .cmd_data_in = ¶ms, + .cmd_size_in = sizeof(params), + .cmd_data_out = &resp, + .cmd_size_out = sizeof(resp), + .cmd_dev_index = 0, + }; + + if (google_chromeec_command(&cmd)) + return -1; + + *enabled = resp.enabled; + + return 0; +} + int google_chromeec_regulator_set_voltage(uint32_t index, uint32_t min_mv, uint32_t max_mv) { diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h index bed8594a8b..c3c456ff14 100644 --- a/src/ec/google/chromeec/ec.h +++ b/src/ec/google/chromeec/ec.h @@ -354,7 +354,26 @@ int google_chromeec_get_keybd_config(struct ec_response_keybd_config *keybd); int google_chromeec_ap_reset(void); /** + * Configure the regulator as enabled / disabled. + * + * @param index Regulator ID + * @param enable Set to enable / disable the regulator + * @return 0 on success, -1 on error + */ +int google_chromeec_regulator_enable(uint32_t index, uint8_t enable); + +/** + * Query if the regulator is enabled. + * + * @param index Regulator ID + * @param *enabled If successful, enabled indicates enable/disable status. + * @return 0 on success, -1 on error + */ +int google_chromeec_regulator_is_enabled(uint32_t index, uint8_t *enabled); + +/** * Set voltage for the voltage regulator within the range specified. + * * @param index Regulator ID * @param min_mv Minimum voltage * @param max_mv Maximum voltage @@ -365,6 +384,7 @@ int google_chromeec_regulator_set_voltage(uint32_t index, uint32_t min_mv, /** * Get the currently configured voltage for the voltage regulator. + * * @param index Regulator ID * @param *voltage_mv If successful, voltage_mv is filled with current voltage * @return 0 on success, -1 on error |