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authorBalaji T K <balajitk@ti.com>2011-09-08 06:34:57 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-09-30 22:00:55 +0200
commit14fa2dd00f4f996c9583c8fba63bfa03f5025ec3 (patch)
treeba54542fd79b3f228ec80d87abd0b41ff743c7de /drivers/power/twl6030.c
parentecd9af88ac70dec7f0ea33613da2f889cf19e433 (diff)
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mmc: omap: config VMMC, MMC1_PBIAS
Config VMMC voltage to 3V for MMC/SD card slot and PBIAS settings needed for OMAP4 Fixes MMC/SD detection on boot from eMMC. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'drivers/power/twl6030.c')
-rw-r--r--drivers/power/twl6030.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/power/twl6030.c b/drivers/power/twl6030.c
index fef57b4..c5a0038 100644
--- a/drivers/power/twl6030.c
+++ b/drivers/power/twl6030.c
@@ -182,6 +182,13 @@ void twl6030_init_battery_charging(void)
return;
}
+void twl6030_power_mmc_init()
+{
+ /* set voltage to 3.0 and turnon for APP */
+ twl6030_i2c_write_u8(TWL6030_CHIP_PM, 0x15, VMMC_CFG_VOLTATE);
+ twl6030_i2c_write_u8(TWL6030_CHIP_PM, 0x21, VMMC_CFG_STATE);
+}
+
void twl6030_usb_device_settings()
{
u8 data = 0;