The TWL4030 supplies many peripheral for OMAP3 boards. These include power management, usb and, keyboard.
The product description is found here:
http://focus.ti.com/docs/prod/folders/print/tps65950.html
Product reference document, tps65950.pdf, is found here:
http://www.ti.com/lit/gpn/tps65950
Signed-off-by: Tom Rix Tom.Rix@windriver.com --- drivers/i2c/Makefile | 1 + drivers/i2c/twl4030_i2c.c | 37 ++++++++ include/twl4030.h | 221 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 259 insertions(+), 0 deletions(-) create mode 100644 drivers/i2c/twl4030_i2c.c create mode 100644 include/twl4030.h
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index ef32f13..97d9128 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -36,6 +36,7 @@ COBJS-$(CONFIG_DRIVER_S3C24X0_I2C) += s3c24x0_i2c.o COBJS-$(CONFIG_S3C44B0_I2C) += s3c44b0_i2c.o COBJS-$(CONFIG_SOFT_I2C) += soft_i2c.o COBJS-$(CONFIG_TSI108_I2C) += tsi108_i2c.o +COBJS-$(CONFIG_DRIVER_TWL4030_I2C) += twl4030_i2c.o
COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/i2c/twl4030_i2c.c b/drivers/i2c/twl4030_i2c.c new file mode 100644 index 0000000..774f813 --- /dev/null +++ b/drivers/i2c/twl4030_i2c.c @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix Tom.Rix@windriver.com + * + * 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 + * + * Derived from code on omapzoom, git://git.omapzoom.com/repo/u-boot.git + * + * Copyright (C) 2007-2009 Texas Instruments, Inc. + */ + +#include <twl4030.h> + +/* Functions to read and write from TWL4030 */ +static inline int twl4030_i2c_write_u8(u8 chip_no, u8 val, u8 reg) +{ + return i2c_write(chip_no, reg, 1, &val, 1); +} + +static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg) +{ + return i2c_read(chip_no, reg, 1, val, 1); +} + diff --git a/include/twl4030.h b/include/twl4030.h new file mode 100644 index 0000000..d17fea5 --- /dev/null +++ b/include/twl4030.h @@ -0,0 +1,221 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix Tom.Rix@windriver.com + * + * 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 + * + * Derived from code on omapzoom, git://git.omapzoom.com/repo/u-boot.git + * + * Copyright (C) 2007-2009 Texas Instruments, Inc. + */ + +#ifndef TWL4030_H +#define TWL4030_H + +#include <common.h> +#include <i2c.h> + +/* I2C chip addresses */ + +/* USB */ +#define TWL4030_CHIP_USB 0x48 +/* AUD */ +#define TWL4030_CHIP_AUDIO_VOICE 0x49 +#define TWL4030_CHIP_GPIO 0x49 +#define TWL4030_CHIP_INTBR 0x49 +#define TWL4030_CHIP_PIH 0x49 +#define TWL4030_CHIP_TEST 0x49 +/* AUX */ +#define TWL4030_CHIP_KEYPAD 0x4a +#define TWL4030_CHIP_MADC 0x4a +#define TWL4030_CHIP_INTERRUPTS 0x4a +#define TWL4030_CHIP_LED 0x4a +#define TWL4030_CHIP_MAIN_CHARGE 0x4a +#define TWL4030_CHIP_PRECHARGE 0x4a +#define TWL4030_CHIP_PWM0 0x4a +#define TWL4030_CHIP_PWM1 0x4a +#define TWL4030_CHIP_PWMA 0x4a +#define TWL4030_CHIP_PWMB 0x4a +/* POWER */ +#define TWL4030_CHIP_BACKUP 0x4b +#define TWL4030_CHIP_INT 0x4b +#define TWL4030_CHIP_PM_MASTER 0x4b +#define TWL4030_CHIP_PM_RECEIVER 0x4b +#define TWL4030_CHIP_RTC 0x4b +#define TWL4030_CHIP_SECURED_REG 0x4b + +/* Register base addresses */ + +/* USB */ +#define TWL4030_BASEADD_USB 0x0000 +/* AUD */ +#define TWL4030_BASEADD_AUDIO_VOICE 0x0000 +#define TWL4030_BASEADD_GPIO 0x0098 +#define TWL4030_BASEADD_INTBR 0x0085 +#define TWL4030_BASEADD_PIH 0x0080 +#define TWL4030_BASEADD_TEST 0x004C +/* AUX */ +#define TWL4030_BASEADD_INTERRUPTS 0x00B9 +#define TWL4030_BASEADD_LED 0x00EE +#define TWL4030_BASEADD_MADC 0x0000 +#define TWL4030_BASEADD_MAIN_CHARGE 0x0074 +#define TWL4030_BASEADD_PRECHARGE 0x00AA +#define TWL4030_BASEADD_PWM0 0x00F8 +#define TWL4030_BASEADD_PWM1 0x00FB +#define TWL4030_BASEADD_PWMA 0x00EF +#define TWL4030_BASEADD_PWMB 0x00F1 +#define TWL4030_BASEADD_KEYPAD 0x00D2 +/* POWER */ +#define TWL4030_BASEADD_BACKUP 0x0014 +#define TWL4030_BASEADD_INT 0x002E +#define TWL4030_BASEADD_PM_MASTER 0x0036 +#define TWL4030_BASEADD_PM_RECIEVER 0x005B +#define TWL4030_BASEADD_RTC 0x001C +#define TWL4030_BASEADD_SECURED_REG 0x0000 + +/* + * Power Management Master + */ +#define TWL4030_PM_MASTER_CFG_P1_TRANSITION 0x36 +#define TWL4030_PM_MASTER_CFG_P2_TRANSITION 0x37 +#define TWL4030_PM_MASTER_CFG_P3_TRANSITION 0x38 +#define TWL4030_PM_MASTER_CFG_P123_TRANSITION 0x39 +#define TWL4030_PM_MASTER_STS_BOOT 0x3A +#define TWL4030_PM_MASTER_CFG_BOOT 0x3B +#define TWL4030_PM_MASTER_SHUNDAN 0x3C +#define TWL4030_PM_MASTER_BOOT_BCI 0x3D +#define TWL4030_PM_MASTER_CFG_PWRANA1 0x3E +#define TWL4030_PM_MASTER_CFG_PWRANA2 0x3F +#define TWL4030_PM_MASTER_BGAP_TRIM 0x40 +#define TWL4030_PM_MASTER_BACKUP_MISC_STS 0x41 +#define TWL4030_PM_MASTER_BACKUP_MISC_CFG 0x42 +#define TWL4030_PM_MASTER_BACKUP_MISC_TST 0x43 +#define TWL4030_PM_MASTER_PROTECT_KEY 0x44 +#define TWL4030_PM_MASTER_STS_HW_CONDITIONS 0x45 +#define TWL4030_PM_MASTER_P1_SW_EVENTS 0x46 +#define TWL4030_PM_MASTER_P2_SW_EVENTS 0x47 +#define TWL4030_PM_MASTER_P3_SW_EVENTS 0x48 +#define TWL4030_PM_MASTER_STS_P123_STATE 0x49 +#define TWL4030_PM_MASTER_PB_CFG 0x4A +#define TWL4030_PM_MASTER_PB_WORD_MSB 0x4B +#define TWL4030_PM_MASTER_PB_WORD_LSB 0x4C +#define TWL4030_PM_MASTER_SEQ_ADD_W2P 0x52 +#define TWL4030_PM_MASTER_SEQ_ADD_P2A 0x53 +#define TWL4030_PM_MASTER_SEQ_ADD_A2W 0x54 +#define TWL4030_PM_MASTER_SEQ_ADD_A2S 0x55 +#define TWL4030_PM_MASTER_SEQ_ADD_S2A12 0x56 +#define TWL4030_PM_MASTER_SEQ_ADD_S2A3 0x57 +#define TWL4030_PM_MASTER_SEQ_ADD_WARM 0x58 +#define TWL4030_PM_MASTER_MEMORY_ADDRESS 0x59 +#define TWL4030_PM_MASTER_MEMORY_DATA 0x5A +#define TWL4030_PM_MASTER_SC_CONFIG 0x5B +#define TWL4030_PM_MASTER_SC_DETECT1 0x5C +#define TWL4030_PM_MASTER_SC_DETECT2 0x5D +#define TWL4030_PM_MASTER_WATCHDOG_CFG 0x5E +#define TWL4030_PM_MASTER_IT_CHECK_CFG 0x5F +#define TWL4030_PM_MASTER_VIBRATOR_CFG 0x60 +#define TWL4030_PM_MASTER_DCDC_GLOBAL_CFG 0x61 +#define TWL4030_PM_MASTER_VDD1_TRIM1 0x62 +#define TWL4030_PM_MASTER_VDD1_TRIM2 0x63 +#define TWL4030_PM_MASTER_VDD2_TRIM1 0x64 +#define TWL4030_PM_MASTER_VDD2_TRIM2 0x65 +#define TWL4030_PM_MASTER_VIO_TRIM1 0x66 +#define TWL4030_PM_MASTER_VIO_TRIM2 0x67 +#define TWL4030_PM_MASTER_MISC_CFG 0x68 +#define TWL4030_PM_MASTER_LS_TST_A 0x69 +#define TWL4030_PM_MASTER_LS_TST_B 0x6A +#define TWL4030_PM_MASTER_LS_TST_C 0x6B +#define TWL4030_PM_MASTER_LS_TST_D 0x6C +#define TWL4030_PM_MASTER_BB_CFG 0x6D +#define TWL4030_PM_MASTER_MISC_TST 0x6E +#define TWL4030_PM_MASTER_TRIM1 0x6F +/* P[1-3]_SW_EVENTS */ +#define TWL4030_PM_MASTER_SW_EVENTS_STOPON_PWRON (1 << 6) +#define TWL4030_PM_MASTER_SW_EVENTS_STOPON_SYSEN (1 << 5) +#define TWL4030_PM_MASTER_SW_EVENTS_ENABLE_WARMRESET (1 << 4) +#define TWL4030_PM_MASTER_SW_EVENTS_LVL_WAKEUP (1 << 3) +#define TWL4030_PM_MASTER_SW_EVENTS_DEVACT (1 << 2) +#define TWL4030_PM_MASTER_SW_EVENTS_DEVSLP (1 << 1) +#define TWL4030_PM_MASTER_SW_EVENTS_DEVOFF (1 << 0) + +/* Power Managment Receiver */ +#define TWL4030_PM_RECEIVER_VUSB1V5_DEV_GRP 0xCC +#define TWL4030_PM_RECEIVER_VUSB1V5_TYPE 0xCD +#define TWL4030_PM_RECEIVER_VUSB1V5_REMAP 0xCE +#define TWL4030_PM_RECEIVER_VUSB1V8_DEV_GRP 0xCF +#define TWL4030_PM_RECEIVER_VUSB1V8_TYPE 0xD0 +#define TWL4030_PM_RECEIVER_VUSB1V8_REMAP 0xD1 +#define TWL4030_PM_RECEIVER_VUSB3V1_DEV_GRP 0xD2 +#define TWL4030_PM_RECEIVER_VUSB3V1_TYPE 0xD3 +#define TWL4030_PM_RECEIVER_VUSB3V1_REMAP 0xD4 +#define TWL4030_PM_RECEIVER_VUSBCP_DEV_GRP 0xD5 +#define TWL4030_PM_RECEIVER_VUSBCP_DEV_TYPE 0xD6 +#define TWL4030_PM_RECEIVER_VUSBCP_DEV_REMAP 0xD7 +#define TWL4030_PM_RECEIVER_VUSB_DEDICATED1 0xD8 +#define TWL4030_PM_RECEIVER_VUSB_DEDICATED2 0xD9 + +/* Keypad */ +#define TWL4030_KEYPAD_KEYP_CTRL_REG 0xD2 +#define TWL4030_KEYPAD_KEY_DEB_REG 0xD3 +#define TWL4030_KEYPAD_LONG_KEY_REG1 0xD4 +#define TWL4030_KEYPAD_LK_PTV_REG 0xD5 +#define TWL4030_KEYPAD_TIME_OUT_REG1 0xD6 +#define TWL4030_KEYPAD_TIME_OUT_REG2 0xD7 +#define TWL4030_KEYPAD_KBC_REG 0xD8 +#define TWL4030_KEYPAD_KBR_REG 0xD9 +#define TWL4030_KEYPAD_KEYP_SMS 0xDA +#define TWL4030_KEYPAD_FULL_CODE_7_0 0xDB +#define TWL4030_KEYPAD_FULL_CODE_15_8 0xDC +#define TWL4030_KEYPAD_FULL_CODE_23_16 0xDD +#define TWL4030_KEYPAD_FULL_CODE_31_24 0xDE +#define TWL4030_KEYPAD_FULL_CODE_39_32 0xDF +#define TWL4030_KEYPAD_FULL_CODE_47_40 0xE0 +#define TWL4030_KEYPAD_FULL_CODE_55_48 0xE1 +#define TWL4030_KEYPAD_FULL_CODE_63_56 0xE2 +#define TWL4030_KEYPAD_KEYP_ISR1 0xE3 +#define TWL4030_KEYPAD_KEYP_IMR1 0xE4 +#define TWL4030_KEYPAD_KEYP_ISR2 0xE5 +#define TWL4030_KEYPAD_KEYP_IMR2 0xE6 +#define TWL4030_KEYPAD_KEYP_SIR 0xE7 +#define TWL4030_KEYPAD_KEYP_EDR 0xE8 +#define TWL4030_KEYPAD_KEYP_SIH_CTRL 0xE9 + +#define TWL4030_KEYPAD_CTRL_KBD_ON (1 << 6) +#define TWL4030_KEYPAD_CTRL_RP_EN (1 << 5) +#define TWL4030_KEYPAD_CTRL_TOLE_EN (1 << 4) +#define TWL4030_KEYPAD_CTRL_TOE_EN (1 << 3) +#define TWL4030_KEYPAD_CTRL_LK_EN (1 << 2) +#define TWL4030_KEYPAD_CTRL_SOFTMODEN (1 << 1) +#define TWL4030_KEYPAD_CTRL_SOFT_NRST (1 << 0) + +/* USB */ +#define TWL4030_USB_FUNC_CTRL (0x04) +#define TWL4030_USB_OPMODE_MASK (3 << 3) +#define TWL4030_USB_XCVRSELECT_MASK (3 << 0) +#define TWL4030_USB_IFC_CTRL (0x07) +#define TWL4030_USB_CARKITMODE (1 << 2) +#define TWL4030_USB_POWER_CTRL (0xAC) +#define TWL4030_USB_OTG_ENAB (1 << 5) +#define TWL4030_USB_PHY_PWR_CTRL (0xFD) +#define TWL4030_USB_PHYPWD (1 << 0) +#define TWL4030_USB_PHY_CLK_CTRL (0xFE) +#define TWL4030_USB_CLOCKGATING_EN (1 << 2) +#define TWL4030_USB_CLK32K_EN (1 << 1) +#define TWL4030_USB_REQ_PHY_DPLL_CLK (1 << 0) +#define TWL4030_USB_PHY_CLK_CTRL_STS (0xFF) +#define TWL4030_USB_PHY_DPLL_CLK (1 << 0) + +#endif /* TWL4030_H */