diff options
| -rw-r--r-- | drivers/mmc/mmc.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 0312da91af..320413aeed 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -15,6 +15,7 @@ #include <errno.h> #include <mmc.h> #include <part.h> +#include <power/regulator.h> #include <malloc.h> #include <memalign.h> #include <linux/list.h> @@ -1582,6 +1583,31 @@ __weak void board_mmc_power_init(void) { } +static int mmc_power_init(struct mmc *mmc) +{ + board_mmc_power_init(); + +#if defined(CONFIG_DM_MMC) && defined(CONFIG_DM_REGULATOR) && \ + !defined(CONFIG_SPL_BUILD) + struct udevice *vmmc_supply; + int ret; + + ret = device_get_supply_regulator(mmc->dev, "vmmc-supply", + &vmmc_supply); + if (ret) { + puts("No vmmc supply\n"); + return 0; + } + + ret = regulator_set_enable(vmmc_supply, true); + if (ret) { + puts("Error enabling VMMC supply\n"); + return ret; + } +#endif + return 0; +} + int mmc_start_init(struct mmc *mmc) { bool no_card; @@ -1606,7 +1632,9 @@ int mmc_start_init(struct mmc *mmc) #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT mmc_adapter_card_type_ident(); #endif - board_mmc_power_init(); + err = mmc_power_init(mmc); + if (err) + return err; #ifdef CONFIG_DM_MMC_OPS /* The device has already been probed ready for use */ |