GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-28 01:51:33 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

mmc: dm: get the IO-line and main voltage regulators from the dts

Browse source 
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>
This commit is contained in:
Jean-Jacques Hiblot 2017-09-21 16:29:48 +02:00 • committed by Jaehoon Chung
parent bb7b4ef370
commit 06ec045fee
2 changed files with 18 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
drivers/mmc/mmc.c
View file

@ -1618,21 +1618,25 @@ __weak void board_mmc_power_init(void)
static int mmc_power_init(struct mmc *mmc) static int mmc_power_init(struct mmc *mmc)
{ {
#if CONFIG_IS_ENABLED(DM_MMC) #if CONFIG_IS_ENABLED(DM_MMC)
#if defined(CONFIG_DM_REGULATOR) && !defined(CONFIG_SPL_BUILD) #if CONFIG_IS_ENABLED(DM_REGULATOR)
struct udevice *vmmc_supply;
int ret; int ret;
ret = device_get_supply_regulator(mmc->dev, "vmmc-supply", ret = device_get_supply_regulator(mmc->dev, "vmmc-supply",
&vmmc_supply); &mmc->vmmc_supply);
if (ret) { if (ret)
debug("%s: No vmmc supply\n", mmc->dev->name); debug("%s: No vmmc supply\n", mmc->dev->name);
return 0;
}
ret = regulator_set_enable(vmmc_supply, true); ret = device_get_supply_regulator(mmc->dev, "vqmmc-supply",
if (ret) { &mmc->vqmmc_supply);
puts("Error enabling VMMC supply\n"); if (ret)
return 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 #endif
#else /* !CONFIG_DM_MMC */ #else /* !CONFIG_DM_MMC */

4
include/mmc.h
View file

@ -457,6 +457,10 @@ struct mmc {
int ddr_mode; int ddr_mode;
#if CONFIG_IS_ENABLED(DM_MMC) #if CONFIG_IS_ENABLED(DM_MMC)
struct udevice *dev; /* Device for this MMC controller */ 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 #endif
}; };