[U-Boot] [PATCH 2/4] I2C Add initial support for TWL4030

Tom Rix
2009-06-10T12:53:50Z

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 */
--
1.6.0.5