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authorSRICHARAN R <r.sricharan@ti.com>2012-03-12 02:25:48 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-05-15 08:31:25 +0200
commit211442989628d72fad1f2663a0bf5076e425fabd (patch)
treea323ed46b012f1fd389deaebc26537bde2206cf4
parentf75231b79a08471519c54f2d4ad5f57c119e23a8 (diff)
power: twl6035: add palmas PMIC support
palmas/TWL6035 is power IC for omap5 evm boards Signed-off-by: Balaji T K <balajitk@ti.com>
-rw-r--r--board/ti/omap5_evm/evm.c6
-rw-r--r--drivers/power/Makefile1
-rw-r--r--drivers/power/twl6035.c40
-rw-r--r--include/configs/omap5_evm.h5
-rw-r--r--include/twl6035.h41
5 files changed, 90 insertions, 3 deletions
diff --git a/board/ti/omap5_evm/evm.c b/board/ti/omap5_evm/evm.c
index 88dac80225..c8dfdf8142 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 ead00f8dae..f24b93cc31 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 0000000000..d75212c964
--- /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 0bdfd6948b..2dc9811805 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 0000000000..1e133175d7
--- /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);