diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 47 | ||||
| -rw-r--r-- | drivers/power/palmas.c | 21 |
2 files changed, 22 insertions, 46 deletions
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 020db98..0a1ee40 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -96,44 +96,6 @@ static int omap_mmc_setup_gpio_in(int gpio, const char *label) } #endif -#if defined(CONFIG_OMAP44XX) -static void omap4_vmmc_pbias_config(struct mmc *mmc) -{ - u32 value = 0; - - value = readl((*ctrl)->control_pbiaslite); - value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ); - writel(value, (*ctrl)->control_pbiaslite); - value = readl((*ctrl)->control_pbiaslite); - value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ; - writel(value, (*ctrl)->control_pbiaslite); -} -#endif - -#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER) -static void omap5_pbias_config(struct mmc *mmc) -{ - u32 value = 0; - - value = readl((*ctrl)->control_pbias); - value &= ~SDCARD_PWRDNZ; - writel(value, (*ctrl)->control_pbias); - udelay(10); /* wait 10 us */ - value &= ~SDCARD_BIAS_PWRDNZ; - writel(value, (*ctrl)->control_pbias); - - palmas_mmc1_poweron_ldo(); - - value = readl((*ctrl)->control_pbias); - value |= SDCARD_BIAS_PWRDNZ; - writel(value, (*ctrl)->control_pbias); - udelay(150); /* wait 150 us */ - value |= SDCARD_PWRDNZ; - writel(value, (*ctrl)->control_pbias); - udelay(150); /* wait 150 us */ -} -#endif - static unsigned char mmc_board_init(struct mmc *mmc) { #if defined(CONFIG_OMAP34XX) @@ -173,14 +135,10 @@ static unsigned char mmc_board_init(struct mmc *mmc) &prcm_base->iclken1_core); #endif -#if defined(CONFIG_OMAP44XX) +#if defined(CONFIG_OMAP54XX) || defined(CONFIG_OMAP44XX) /* PBIAS config needed for MMC1 only */ if (mmc->block_dev.devnum == 0) - omap4_vmmc_pbias_config(mmc); -#endif -#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER) - if (mmc->block_dev.devnum == 0) - omap5_pbias_config(mmc); + vmmc_pbias_config(LDO_VOLT_3V0); #endif return 0; @@ -214,7 +172,6 @@ void mmc_init_stream(struct hsmmc *mmc_base) writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con); } - static int omap_hsmmc_init_setup(struct mmc *mmc) { struct hsmmc *mmc_base; diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c index cfbc9dc..4f9a62c 100644 --- a/drivers/power/palmas.c +++ b/drivers/power/palmas.c @@ -23,7 +23,26 @@ void palmas_init_settings(void) #endif } -int palmas_mmc1_poweron_ldo(void) +#if defined(CONFIG_OMAP54XX) +int lp873x_mmc1_poweron_ldo(uint voltage) +{ + if (palmas_i2c_write_u8(LP873X_LDO1_ADDR, LP873X_LDO1_VOLTAGE, + voltage)) { + printf("lp873x: could not set LDO1 voltage.\n"); + return 1; + } + /* TURN ON LDO1 */ + if (palmas_i2c_write_u8(LP873X_LDO1_ADDR, LP873X_LDO1_CTRL, + LP873X_LDO_CTRL_EN | LP873X_LDO_CTRL_RDIS_EN)) { + printf("lp873x: could not turn on LDO1.\n"); + return 1; + } + return 0; + +} +#endif + +int palmas_mmc1_poweron_ldo(uint voltage) { u8 val = 0; |