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mmc: omap_hsmmc: Set 3.3V for IO voltage

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Pbias voltage should match the IO voltage set for the SD card. With the
latest pbias change to 3.3V, update the capabilities and IO voltages
settings to 3.3V.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
This commit is contained in:
Faiz Abbas 2019-04-05 14:18:46 +05:30 committed by Tom Rini
parent fddfd9c7b0
commit d2c05f50e1
1 changed files with 10 additions and 11 deletions
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21
drivers/mmc/omap_hsmmc.c
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@ -264,7 +264,7 @@ static unsigned char mmc_board_init(struct mmc *mmc)
!CONFIG_IS_ENABLED(DM_REGULATOR)
/* PBIAS config needed for MMC1 only */
if (mmc_get_blk_desc(mmc)->devnum == 0)
vmmc_pbias_config(LDO_VOLT_3V0);
vmmc_pbias_config(LDO_VOLT_3V3);
#endif
return 0;
@ -418,7 +418,7 @@ static void omap_hsmmc_conf_bus_power(struct mmc *mmc, uint signal_voltage)
switch (signal_voltage) {
case MMC_SIGNAL_VOLTAGE_330:
hctl |= SDVS_3V0;
hctl |= SDVS_3V3;
break;
case MMC_SIGNAL_VOLTAGE_180:
hctl |= SDVS_1V8;
@ -514,10 +514,9 @@ static int omap_hsmmc_set_signal_voltage(struct mmc *mmc)
return -EINVAL;
if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_330) {
/* Use 3.0V rather than 3.3V */
mv = 3000;
capa_mask = VS30_3V0SUP;
palmas_ldo_volt = LDO_VOLT_3V0;
mv = 3300;
capa_mask = VS33_3V3SUP;
palmas_ldo_volt = LDO_VOLT_3V3;
} else if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) {
capa_mask = VS18_1V8SUP;
palmas_ldo_volt = LDO_VOLT_1V8;
@ -556,13 +555,13 @@ static uint32_t omap_hsmmc_set_capabilities(struct mmc *mmc)
val = readl(&mmc_base->capa);
if (priv->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {
val |= (VS30_3V0SUP | VS18_1V8SUP);
val |= (VS33_3V3SUP | VS18_1V8SUP);
} else if (priv->controller_flags & OMAP_HSMMC_NO_1_8_V) {
val |= VS30_3V0SUP;
val |= VS33_3V3SUP;
val &= ~VS18_1V8SUP;
} else {
val |= VS18_1V8SUP;
val &= ~VS30_3V0SUP;
val &= ~VS33_3V3SUP;
}
writel(val, &mmc_base->capa);
@ -842,11 +841,11 @@ static int omap_hsmmc_init_setup(struct mmc *mmc)
#if CONFIG_IS_ENABLED(DM_MMC)
reg_val = omap_hsmmc_set_capabilities(mmc);
omap_hsmmc_conf_bus_power(mmc, (reg_val & VS30_3V0SUP) ?
omap_hsmmc_conf_bus_power(mmc, (reg_val & VS33_3V3SUP) ?
MMC_SIGNAL_VOLTAGE_330 : MMC_SIGNAL_VOLTAGE_180);
#else
writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP,
writel(readl(&mmc_base->capa) | VS33_3V3SUP | VS18_1V8SUP,
&mmc_base->capa);
#endif