Get a reference to the regulator devices from the dts and store them in the struct mmc for later use.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com --- drivers/mmc/mmc.c | 24 ++++++++++++++---------- include/mmc.h | 4 ++++ 2 files changed, 18 insertions(+), 10 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 38d2e07..11285be 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1618,21 +1618,25 @@ __weak void board_mmc_power_init(void) static int mmc_power_init(struct mmc *mmc) { #if CONFIG_IS_ENABLED(DM_MMC) -#if defined(CONFIG_DM_REGULATOR) && !defined(CONFIG_SPL_BUILD) - struct udevice *vmmc_supply; +#if CONFIG_IS_ENABLED(DM_REGULATOR) int ret;
ret = device_get_supply_regulator(mmc->dev, "vmmc-supply", - &vmmc_supply); - if (ret) { + &mmc->vmmc_supply); + if (ret) debug("%s: No vmmc supply\n", mmc->dev->name); - return 0; - }
- ret = regulator_set_enable(vmmc_supply, true); - if (ret) { - puts("Error enabling VMMC supply\n"); - return ret; + ret = device_get_supply_regulator(mmc->dev, "vqmmc-supply", + &mmc->vqmmc_supply); + if (ret) + debug("%s: No vqmmc supply\n", mmc->dev->name); + + if (mmc->vmmc_supply) { + ret = regulator_set_enable(mmc->vmmc_supply, true); + if (ret) { + puts("Error enabling VMMC supply\n"); + return ret; + } } #endif #else /* !CONFIG_DM_MMC */ diff --git a/include/mmc.h b/include/mmc.h index 010ebe0..188dc74 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -457,6 +457,10 @@ struct mmc { int ddr_mode; #if CONFIG_IS_ENABLED(DM_MMC) struct udevice *dev; /* Device for this MMC controller */ +#if CONFIG_IS_ENABLED(DM_REGULATOR) + struct udevice *vmmc_supply; /* Main voltage regulator (Vcc)*/ + struct udevice *vqmmc_supply; /* IO voltage regulator (Vccq)*/ +#endif #endif };