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fusee: support low-voltage SDMMC mode

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This commit is contained in:
Kate J. Temkin
2018-05-10 06:05:00 -07:00
parent b20a04ede5
commit 437344fd25
4 changed files with 415 additions and 146 deletions
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11
fusee/fusee-primary/src/supplies.c
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@@ -13,12 +13,19 @@
* Enables a given power supply.
*
* @param supply The power domain on the Switch that is to be enabled.
* @param use_low_voltage If the supply supports multiple voltages, use the lower one.
* Some devices start in a high power mode, but an can be switched to a lower one.
* Set this to false unless you know what you're doing.
*/
void supply_enable(enum switch_power_supply supply)
void supply_enable(enum switch_power_supply supply, bool use_low_voltage)
{
uint32_t voltage = 0;
switch(supply) {
case SUPPLY_MICROSD:
max77620_regulator_set_voltage(SUPPLY_MICROSD_REGULATOR, SUPPLY_MICROSD_VOLTAGE);
voltage = use_low_voltage ? SUPPLY_MICROSD_LOW_VOLTAGE : SUPPLY_MICROSD_VOLTAGE;
max77620_regulator_set_voltage(SUPPLY_MICROSD_REGULATOR, voltage);
max77620_regulator_enable(SUPPLY_MICROSD_REGULATOR, true);
return;