summaryrefslogtreecommitdiff
path: root/drivers/power/palmas.c
diff options
context:
space:
mode:
authorNishanth Menon <nm@ti.com>2013-03-26 05:20:54 +0000
committerTom Rini <trini@ti.com>2013-05-10 08:25:54 -0400
commitcb199102b06c5d895d2495c62554c5be998b234b (patch)
tree6cd2fa8cccc4a01202c266de258ce7d7f2311330 /drivers/power/palmas.c
parent502dac5568df4c67d7bb53b4aca242f2435eed73 (diff)
downloadu-boot-imx-cb199102b06c5d895d2495c62554c5be998b234b.zip
u-boot-imx-cb199102b06c5d895d2495c62554c5be998b234b.tar.gz
u-boot-imx-cb199102b06c5d895d2495c62554c5be998b234b.tar.bz2
twl6035: rename to palmas
TPS659038/TWL6035/TWL6037 all belong to palmas family of TI PMICs Rename twl6035 to palmas to allow reuse across multiple current and future platforms As part of this change, change the CONFIG_TWL6035_POWER to CONFIG_PALMAS_POWER and update usage of header file accordingly. Signed-off-by: Nishanth Menon <nm@ti.com>
Diffstat (limited to 'drivers/power/palmas.c')
-rw-r--r--drivers/power/palmas.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c
new file mode 100644
index 0000000..8ed7742
--- /dev/null
+++ b/drivers/power/palmas.c
@@ -0,0 +1,74 @@
+/*
+ * (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>
+
+/* Functions to read and write from TWL6030 */
+int twl6035_i2c_write_u8(u8 chip_no, u8 val, u8 reg)
+{
+ return i2c_write(chip_no, reg, 1, &val, 1);
+}
+
+int twl6035_i2c_read_u8(u8 chip_no, u8 *val, u8 reg)
+{
+ return i2c_read(chip_no, reg, 1, val, 1);
+}
+
+/* To align with i2c mw/mr address, reg, val command syntax */
+static inline int palmas_write_u8(u8 chip_no, u8 reg, u8 val)
+{
+ return i2c_write(chip_no, reg, 1, &val, 1);
+}
+
+static inline int palmas_read_u8(u8 chip_no, u8 reg, u8 *val)
+{
+ return i2c_read(chip_no, reg, 1, val, 1);
+}
+
+void twl6035_init_settings(void)
+{
+ return;
+}
+
+int twl6035_mmc1_poweron_ldo(void)
+{
+ u8 val = 0;
+
+ /* set LDO9 TWL6035 to 3V */
+ val = 0x2b; /* (3 -.9)*28 +1 */
+
+ if (palmas_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_write_u8(0x48, LDO9_CTRL, val)) {
+ printf("twl6035: could not turn on LDO9.\n");
+ return 1;
+ }
+
+ return 0;
+}