power: twl6035: add palmas PMIC support

palmas/TWL6035 is power IC for omap5 evm boards

Signed-off-by: Balaji T K <balajitk@ti.com>

5 files changed, 90 insertions, 3 deletions

diff --git a/board/ti/omap5_evm/evm.c b/board/ti/omap5_evm/evm.c
index 88dac80225e..c8dfdf81429 100644
--- a/board/ti/omap5_evm/evm.c
+++ b/board/ti/omap5_evm/evm.c
@@ -23,7 +23,7 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
-#include <twl6030.h>
+#include <twl6035.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mmc_host_def.h>
 
@@ -63,8 +63,8 @@ int board_eth_init(bd_t *bis)
  */
 int misc_init_r(void)
 {
-#ifdef CONFIG_TWL6030_POWER
-	twl6030_init_battery_charging();
+#ifdef CONFIG_TWL6035_POWER
+	twl6035_init_settings();
 #endif
 	return 0;
 }
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index ead00f8dae6..f24b93cc318 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -28,6 +28,7 @@ LIB 	:= $(obj)libpower.o
 COBJS-$(CONFIG_FTPMU010_POWER)	+= ftpmu010.o
 COBJS-$(CONFIG_TWL4030_POWER)	+= twl4030.o
 COBJS-$(CONFIG_TWL6030_POWER)	+= twl6030.o
+COBJS-$(CONFIG_TWL6035_POWER)	+= twl6035.o
 
 COBJS	:= $(COBJS-y)
 SRCS 	:= $(COBJS:.o=.c)
diff --git a/drivers/power/twl6035.c b/drivers/power/twl6035.c
new file mode 100644
index 00000000000..d75212c9641
--- /dev/null
+++ b/drivers/power/twl6035.c
@@ -0,0 +1,40 @@
+/*
+ * (C) Copyright 2012
+ * 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 <twl6035.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);
+}
+
+void twl6035_init_settings(void)
+{
+	return;
+}
diff --git a/include/configs/omap5_evm.h b/include/configs/omap5_evm.h
index 0bdfd6948b0..2dc98118056 100644
--- a/include/configs/omap5_evm.h
+++ b/include/configs/omap5_evm.h
@@ -99,6 +99,11 @@
 #define CONFIG_DRIVER_OMAP34XX_I2C
 #define CONFIG_I2C_MULTI_BUS
 
+/* TWL6035 */
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_TWL6035_POWER
+#endif
+
 /* MMC */
 #define CONFIG_GENERIC_MMC
 #define CONFIG_MMC
diff --git a/include/twl6035.h b/include/twl6035.h
new file mode 100644
index 00000000000..1e133175d72
--- /dev/null
+++ b/include/twl6035.h
@@ -0,0 +1,41 @@
+/*
+ * (C) Copyright 2012
+ * 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 <common.h>
+#include <i2c.h>
+
+/* I2C chip addresses */
+#define TWL6035_CHIP_ADDR	0x48
+
+/* 0x1XY translates to page 1, register address 0xXY */
+#define LDO9_CTRL		0x60
+#define LDO9_VOLTAGE		0x61
+
+/* Bit field definitions for LDOx_CTRL */
+#define LDO_ON			(1 << 4)
+#define LDO_MODE_SLEEP		(1 << 2)
+#define LDO_MODE_ACTIVE		(1 << 0)
+
+int twl6035_i2c_write_u8(u8 chip_no, u8 val, u8 reg);
+int twl6035_i2c_read_u8(u8 chip_no, u8 *val, u8 reg);
+void twl6035_init_settings(void);