void pmic_voltage_init(void)
{
t_regulator_voltage volt;
/* Enable 4 mc13783 output voltages */
pmic_write_reg(REG_ARBITRATION_SWITCHERS, (1 << 5), (1 << 5));
/* Set mc13783 DVS speed 25mV each 4us */
pmic_write_reg(REG_SWITCHERS_4, (0 << 6), (3 << 6));
if (cpu_is_mx31())
volt.sw1a = SW1A_1_625V;
else
volt.sw1a = SW1A_1_425V;
pmic_power_regulator_set_voltage(SW_SW1A, volt);
volt.sw1a = SW1A_1_25V;
pmic_power_switcher_set_dvs(SW_SW1A, volt);
if (cpu_is_mx32()) {
volt.sw1a = SW1A_0_975V;
pmic_power_switcher_set_stby(SW_SW1A, volt);
}
volt.sw1b = SW1A_1_25V;
pmic_power_switcher_set_dvs(SW_SW1B, volt);
volt.sw1b = SW1A_1_25V;
pmic_power_switcher_set_stby(SW_SW1B, volt);
}
void pmic_voltage_init(void)
{
t_regulator_voltage volt;
/* Enable 4 mc13783 output voltages */
pmic_write_reg(REG_ARBITRATION_SWITCHERS, 1, (1 << 5));
/* Enable mc13783 voltage ready signal */
pmic_write_reg(REG_INTERRUPT_MASK_1, 0, (1 << 11));
/* Set mc13783 DVS speed 25mV each 4us */
pmic_write_reg(REG_SWITCHERS_4, 1, (1 << 6));
pmic_write_reg(REG_SWITCHERS_4, 0, (1 << 7));
volt.sw1a = SW1A_1_625V;
pmic_power_regulator_set_voltage(SW_SW1A, volt);
volt.sw1a = SW1A_1_25V;
pmic_power_switcher_set_dvs(SW_SW1A, volt);
volt.sw1b = SW1A_1_25V;
pmic_power_switcher_set_dvs(SW_SW1B, volt);
volt.sw1b = SW1A_1_25V;
pmic_power_switcher_set_stby(SW_SW1B, volt);
}
/*!
* This function updates the CPU voltage, produced by MC13783, by calling
* MC13783 driver functions.
*
* @param dvfs_dptc_tables_ptr pointer to the DPTC translation table.
* @param wp current wp value.
*
*/
static void set_pmic_voltage(dvfs_dptc_tables_s * dvfs_dptc_tables_ptr, int wp)
{
/* Call MC13783 functions */
t_regulator_voltage volt;
volt.sw1a = dvfs_dptc_tables_ptr->wp[wp].pmic_values[0];
pmic_power_regulator_set_voltage(SW_SW1A, volt);
}
static void mxcmci_mc13783_power_ctrl(struct mmc_host *host,
struct mmc_ios *ios)
{
struct mxcmci_priv *priv = mmc_priv(host);
t_regulator_voltage voltage;
switch (ios->power_mode) {
case MMC_POWER_UP:
if (priv->id == 0) {
voltage.vmmc1 = vdd_mapping[ios->vdd];
pmic_power_regulator_set_voltage(REGU_VMMC1, voltage);
pmic_power_regulator_set_lp_mode(REGU_VMMC1,
LOW_POWER_DISABLED);
pmic_power_regulator_on(REGU_VMMC1);
}
if (priv->id == 1) {
voltage.vmmc2 = vdd_mapping[ios->vdd];
pmic_power_regulator_set_voltage(REGU_VMMC2, voltage);
pmic_power_regulator_set_lp_mode(REGU_VMMC2,
LOW_POWER_DISABLED);
pmic_power_regulator_on(REGU_VMMC2);
}
dev_dbg(priv->host->parent, "mmc power on\n");
msleep(300);
break;
case MMC_POWER_OFF:
if (priv->id == 0) {
pmic_power_regulator_set_lp_mode(REGU_VMMC1,
LOW_POWER_EN);
pmic_power_regulator_off(REGU_VMMC1);
}
if (priv->id == 1) {
pmic_power_regulator_set_lp_mode(REGU_VMMC2,
LOW_POWER_EN);
pmic_power_regulator_off(REGU_VMMC2);
}
dev_dbg(priv->host->parent, "mmc power off\n");
break;
default:
break;
}
}
