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authorPaul Kocialkowski <contact@paulk.fr>2014-10-28 18:14:23 +0100
committerAnatolij Gustschin <agust@denx.de>2014-10-31 00:29:39 +0100
commit2ed8c878eb781eb572c10789e8108f7cc2957192 (patch)
tree6b10e3a87d9b4c80580479609a93891db955cef6 /drivers
parent934a529f94f653c869e750d8178b7ace62dadaf3 (diff)
twl4030: VMMC2 3.2V enable on MMC init
This enables the VMMC2 LDO, which powers the MMC2 device. When the device starts from MMC2, this has already been enabled by the BootROM, but when starting from peripheral boot (USB, UART), it is not the case. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/power/twl4030.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c
index 3e50310464..e578ae6342 100644
--- a/drivers/power/twl4030.c
+++ b/drivers/power/twl4030.c
@@ -98,4 +98,10 @@ void twl4030_power_mmc_init(void)
TWL4030_PM_RECEIVER_VMMC1_VSEL_32,
TWL4030_PM_RECEIVER_VMMC1_DEV_GRP,
TWL4030_PM_RECEIVER_DEV_GRP_P1);
+
+ /* Set VMMC2 to 3.15 Volts */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC2_DEDICATED,
+ TWL4030_PM_RECEIVER_VMMC2_VSEL_32,
+ TWL4030_PM_RECEIVER_VMMC2_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
}