Commit dff08caf authored by Pi-Hsun Shih's avatar Pi-Hsun Shih Committed by Mark Brown

platform/chrome: cros_ec: Add command for regulator control.

Add host commands for voltage regulator control through ChromeOS EC.
Signed-off-by: default avatarPi-Hsun Shih <pihsun@chromium.org>
Reviewed-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20200612040526.192878-3-pihsun@chromium.orgSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent 54bd53b9
...@@ -161,6 +161,11 @@ ...@@ -161,6 +161,11 @@
TRACE_SYMBOL(EC_CMD_ADC_READ), \ TRACE_SYMBOL(EC_CMD_ADC_READ), \
TRACE_SYMBOL(EC_CMD_ROLLBACK_INFO), \ TRACE_SYMBOL(EC_CMD_ROLLBACK_INFO), \
TRACE_SYMBOL(EC_CMD_AP_RESET), \ TRACE_SYMBOL(EC_CMD_AP_RESET), \
TRACE_SYMBOL(EC_CMD_REGULATOR_GET_INFO), \
TRACE_SYMBOL(EC_CMD_REGULATOR_ENABLE), \
TRACE_SYMBOL(EC_CMD_REGULATOR_IS_ENABLED), \
TRACE_SYMBOL(EC_CMD_REGULATOR_SET_VOLTAGE), \
TRACE_SYMBOL(EC_CMD_REGULATOR_GET_VOLTAGE), \
TRACE_SYMBOL(EC_CMD_CR51_BASE), \ TRACE_SYMBOL(EC_CMD_CR51_BASE), \
TRACE_SYMBOL(EC_CMD_CR51_LAST), \ TRACE_SYMBOL(EC_CMD_CR51_LAST), \
TRACE_SYMBOL(EC_CMD_FP_PASSTHRU), \ TRACE_SYMBOL(EC_CMD_FP_PASSTHRU), \
......
...@@ -5430,6 +5430,88 @@ struct ec_response_rollback_info { ...@@ -5430,6 +5430,88 @@ struct ec_response_rollback_info {
/* Issue AP reset */ /* Issue AP reset */
#define EC_CMD_AP_RESET 0x0125 #define EC_CMD_AP_RESET 0x0125
/*****************************************************************************/
/* Voltage regulator controls */
/*
* Get basic info of voltage regulator for given index.
*
* Returns the regulator name and supported voltage list in mV.
*/
#define EC_CMD_REGULATOR_GET_INFO 0x012B
/* Maximum length of regulator name */
#define EC_REGULATOR_NAME_MAX_LEN 16
/* Maximum length of the supported voltage list. */
#define EC_REGULATOR_VOLTAGE_MAX_COUNT 16
struct ec_params_regulator_get_info {
uint32_t index;
} __ec_align4;
struct ec_response_regulator_get_info {
char name[EC_REGULATOR_NAME_MAX_LEN];
uint16_t num_voltages;
uint16_t voltages_mv[EC_REGULATOR_VOLTAGE_MAX_COUNT];
} __ec_align1;
/*
* Configure the regulator as enabled / disabled.
*/
#define EC_CMD_REGULATOR_ENABLE 0x012C
struct ec_params_regulator_enable {
uint32_t index;
uint8_t enable;
} __ec_align4;
/*
* Query if the regulator is enabled.
*
* Returns 1 if the regulator is enabled, 0 if not.
*/
#define EC_CMD_REGULATOR_IS_ENABLED 0x012D
struct ec_params_regulator_is_enabled {
uint32_t index;
} __ec_align4;
struct ec_response_regulator_is_enabled {
uint8_t enabled;
} __ec_align1;
/*
* Set voltage for the voltage regulator within the range specified.
*
* The driver should select the voltage in range closest to min_mv.
*
* Also note that this might be called before the regulator is enabled, and the
* setting should be in effect after the regulator is enabled.
*/
#define EC_CMD_REGULATOR_SET_VOLTAGE 0x012E
struct ec_params_regulator_set_voltage {
uint32_t index;
uint32_t min_mv;
uint32_t max_mv;
} __ec_align4;
/*
* Get the currently configured voltage for the voltage regulator.
*
* Note that this might be called before the regulator is enabled.
*/
#define EC_CMD_REGULATOR_GET_VOLTAGE 0x012F
struct ec_params_regulator_get_voltage {
uint32_t index;
} __ec_align4;
struct ec_response_regulator_get_voltage {
uint32_t voltage_mv;
} __ec_align4;
/*****************************************************************************/ /*****************************************************************************/
/* The command range 0x200-0x2FF is reserved for Rotor. */ /* The command range 0x200-0x2FF is reserved for Rotor. */
......
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