mmc: dm: get the IO-line and main voltage regulators from the dts
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>
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8716ac7..73a4612 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1618,21 +1618,25 @@
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 @@
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
};