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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-05-11 20:24:28 (GMT) |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-05-11 20:24:28 (GMT) |
commit | cac423a730d3506154744485af1bbc1cd3a1e6a8 (patch) | |
tree | 358b627972d9125de573c623f33e2da789f1de51 /drivers/power/palmas.c | |
parent | c1b43ac7699640c8086bd73faa798bc9722d32c9 (diff) | |
parent | 47c6ea076eb51e624f8744d93db5cd70b97dc25d (diff) | |
download | u-boot-cac423a730d3506154744485af1bbc1cd3a1e6a8.tar.xz |
Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
Diffstat (limited to 'drivers/power/palmas.c')
-rw-r--r-- | drivers/power/palmas.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c new file mode 100644 index 0000000..09c832d --- /dev/null +++ b/drivers/power/palmas.c @@ -0,0 +1,52 @@ +/* + * (C) Copyright 2012-2013 + * Texas Instruments, <www.ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <config.h> +#include <palmas.h> + +void palmas_init_settings(void) +{ + return; +} + +int palmas_mmc1_poweron_ldo(void) +{ + u8 val = 0; + + /* set LDO9 TWL6035 to 3V */ + val = 0x2b; /* (3 -.9)*28 +1 */ + + if (palmas_i2c_write_u8(0x48, LDO9_VOLTAGE, val)) { + printf("twl6035: could not set LDO9 voltage.\n"); + return 1; + } + + /* TURN ON LDO9 */ + val = LDO_ON | LDO_MODE_SLEEP | LDO_MODE_ACTIVE; + + if (palmas_i2c_write_u8(0x48, LDO9_CTRL, val)) { + printf("twl6035: could not turn on LDO9.\n"); + return 1; + } + + return 0; +} |