1b07682b6SSantosh Shilimkar /* 2fc7b92fcSBalaji T K * twl_core.c - driver for TWL4030/TWL5030/TWL60X0/TPS659x0 PM 3fc7b92fcSBalaji T K * and audio CODEC devices 4b07682b6SSantosh Shilimkar * 5b07682b6SSantosh Shilimkar * Copyright (C) 2005-2006 Texas Instruments, Inc. 6b07682b6SSantosh Shilimkar * 7b07682b6SSantosh Shilimkar * Modifications to defer interrupt handling to a kernel thread: 8b07682b6SSantosh Shilimkar * Copyright (C) 2006 MontaVista Software, Inc. 9b07682b6SSantosh Shilimkar * 10b07682b6SSantosh Shilimkar * Based on tlv320aic23.c: 11b07682b6SSantosh Shilimkar * Copyright (c) by Kai Svahn <kai.svahn@nokia.com> 12b07682b6SSantosh Shilimkar * 13b07682b6SSantosh Shilimkar * Code cleanup and modifications to IRQ handler. 14b07682b6SSantosh Shilimkar * by syed khasim <x0khasim@ti.com> 15b07682b6SSantosh Shilimkar * 16b07682b6SSantosh Shilimkar * This program is free software; you can redistribute it and/or modify 17b07682b6SSantosh Shilimkar * it under the terms of the GNU General Public License as published by 18b07682b6SSantosh Shilimkar * the Free Software Foundation; either version 2 of the License, or 19b07682b6SSantosh Shilimkar * (at your option) any later version. 20b07682b6SSantosh Shilimkar * 21b07682b6SSantosh Shilimkar * This program is distributed in the hope that it will be useful, 22b07682b6SSantosh Shilimkar * but WITHOUT ANY WARRANTY; without even the implied warranty of 23b07682b6SSantosh Shilimkar * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24b07682b6SSantosh Shilimkar * GNU General Public License for more details. 25b07682b6SSantosh Shilimkar * 26b07682b6SSantosh Shilimkar * You should have received a copy of the GNU General Public License 27b07682b6SSantosh Shilimkar * along with this program; if not, write to the Free Software 28b07682b6SSantosh Shilimkar * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 29b07682b6SSantosh Shilimkar */ 30b07682b6SSantosh Shilimkar 31b07682b6SSantosh Shilimkar #include <linux/init.h> 32b07682b6SSantosh Shilimkar #include <linux/mutex.h> 33b07682b6SSantosh Shilimkar #include <linux/platform_device.h> 34b07682b6SSantosh Shilimkar #include <linux/clk.h> 35b07682b6SSantosh Shilimkar #include <linux/err.h> 36b07682b6SSantosh Shilimkar 37b07682b6SSantosh Shilimkar #include <linux/regulator/machine.h> 38b07682b6SSantosh Shilimkar 39b07682b6SSantosh Shilimkar #include <linux/i2c.h> 40b07682b6SSantosh Shilimkar #include <linux/i2c/twl.h> 41b07682b6SSantosh Shilimkar 42b07682b6SSantosh Shilimkar #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 43b07682b6SSantosh Shilimkar #include <plat/cpu.h> 44b07682b6SSantosh Shilimkar #endif 45b07682b6SSantosh Shilimkar 46b07682b6SSantosh Shilimkar /* 47b07682b6SSantosh Shilimkar * The TWL4030 "Triton 2" is one of a family of a multi-function "Power 48b07682b6SSantosh Shilimkar * Management and System Companion Device" chips originally designed for 49b07682b6SSantosh Shilimkar * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C, 50b07682b6SSantosh Shilimkar * often at around 3 Mbit/sec, including for interrupt handling. 51b07682b6SSantosh Shilimkar * 52b07682b6SSantosh Shilimkar * This driver core provides genirq support for the interrupts emitted, 53b07682b6SSantosh Shilimkar * by the various modules, and exports register access primitives. 54b07682b6SSantosh Shilimkar * 55b07682b6SSantosh Shilimkar * FIXME this driver currently requires use of the first interrupt line 56b07682b6SSantosh Shilimkar * (and associated registers). 57b07682b6SSantosh Shilimkar */ 58b07682b6SSantosh Shilimkar 59fc7b92fcSBalaji T K #define DRIVER_NAME "twl" 60b07682b6SSantosh Shilimkar 61b07682b6SSantosh Shilimkar #if defined(CONFIG_TWL4030_BCI_BATTERY) || \ 62b07682b6SSantosh Shilimkar defined(CONFIG_TWL4030_BCI_BATTERY_MODULE) 63b07682b6SSantosh Shilimkar #define twl_has_bci() true 64b07682b6SSantosh Shilimkar #else 65b07682b6SSantosh Shilimkar #define twl_has_bci() false 66b07682b6SSantosh Shilimkar #endif 67b07682b6SSantosh Shilimkar 68b07682b6SSantosh Shilimkar #if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE) 69b07682b6SSantosh Shilimkar #define twl_has_keypad() true 70b07682b6SSantosh Shilimkar #else 71b07682b6SSantosh Shilimkar #define twl_has_keypad() false 72b07682b6SSantosh Shilimkar #endif 73b07682b6SSantosh Shilimkar 74b07682b6SSantosh Shilimkar #if defined(CONFIG_GPIO_TWL4030) || defined(CONFIG_GPIO_TWL4030_MODULE) 75b07682b6SSantosh Shilimkar #define twl_has_gpio() true 76b07682b6SSantosh Shilimkar #else 77b07682b6SSantosh Shilimkar #define twl_has_gpio() false 78b07682b6SSantosh Shilimkar #endif 79b07682b6SSantosh Shilimkar 80b07682b6SSantosh Shilimkar #if defined(CONFIG_REGULATOR_TWL4030) \ 81b07682b6SSantosh Shilimkar || defined(CONFIG_REGULATOR_TWL4030_MODULE) 82b07682b6SSantosh Shilimkar #define twl_has_regulator() true 83b07682b6SSantosh Shilimkar #else 84b07682b6SSantosh Shilimkar #define twl_has_regulator() false 85b07682b6SSantosh Shilimkar #endif 86b07682b6SSantosh Shilimkar 87b07682b6SSantosh Shilimkar #if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE) 88b07682b6SSantosh Shilimkar #define twl_has_madc() true 89b07682b6SSantosh Shilimkar #else 90b07682b6SSantosh Shilimkar #define twl_has_madc() false 91b07682b6SSantosh Shilimkar #endif 92b07682b6SSantosh Shilimkar 93b07682b6SSantosh Shilimkar #ifdef CONFIG_TWL4030_POWER 94b07682b6SSantosh Shilimkar #define twl_has_power() true 95b07682b6SSantosh Shilimkar #else 96b07682b6SSantosh Shilimkar #define twl_has_power() false 97b07682b6SSantosh Shilimkar #endif 98b07682b6SSantosh Shilimkar 99b07682b6SSantosh Shilimkar #if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE) 100b07682b6SSantosh Shilimkar #define twl_has_rtc() true 101b07682b6SSantosh Shilimkar #else 102b07682b6SSantosh Shilimkar #define twl_has_rtc() false 103b07682b6SSantosh Shilimkar #endif 104b07682b6SSantosh Shilimkar 105b07682b6SSantosh Shilimkar #if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE) 106b07682b6SSantosh Shilimkar #define twl_has_usb() true 107b07682b6SSantosh Shilimkar #else 108b07682b6SSantosh Shilimkar #define twl_has_usb() false 109b07682b6SSantosh Shilimkar #endif 110b07682b6SSantosh Shilimkar 111b07682b6SSantosh Shilimkar #if defined(CONFIG_TWL4030_WATCHDOG) || \ 112b07682b6SSantosh Shilimkar defined(CONFIG_TWL4030_WATCHDOG_MODULE) 113b07682b6SSantosh Shilimkar #define twl_has_watchdog() true 114b07682b6SSantosh Shilimkar #else 115b07682b6SSantosh Shilimkar #define twl_has_watchdog() false 116b07682b6SSantosh Shilimkar #endif 117b07682b6SSantosh Shilimkar 118d62abe56SMisael Lopez Cruz #if defined(CONFIG_TWL4030_CODEC) || defined(CONFIG_TWL4030_CODEC_MODULE) ||\ 119d62abe56SMisael Lopez Cruz defined(CONFIG_SND_SOC_TWL6030) || defined(CONFIG_SND_SOC_TWL6030_MODULE) 120b07682b6SSantosh Shilimkar #define twl_has_codec() true 121b07682b6SSantosh Shilimkar #else 122b07682b6SSantosh Shilimkar #define twl_has_codec() false 123b07682b6SSantosh Shilimkar #endif 124b07682b6SSantosh Shilimkar 125b07682b6SSantosh Shilimkar /* Triton Core internal information (BEGIN) */ 126b07682b6SSantosh Shilimkar 127b07682b6SSantosh Shilimkar /* Last - for index max*/ 128b07682b6SSantosh Shilimkar #define TWL4030_MODULE_LAST TWL4030_MODULE_SECURED_REG 129b07682b6SSantosh Shilimkar 130fc7b92fcSBalaji T K #define TWL_NUM_SLAVES 4 131b07682b6SSantosh Shilimkar 132b07682b6SSantosh Shilimkar #if defined(CONFIG_INPUT_TWL4030_PWRBUTTON) \ 133b07682b6SSantosh Shilimkar || defined(CONFIG_INPUT_TWL4030_PWBUTTON_MODULE) 134b07682b6SSantosh Shilimkar #define twl_has_pwrbutton() true 135b07682b6SSantosh Shilimkar #else 136b07682b6SSantosh Shilimkar #define twl_has_pwrbutton() false 137b07682b6SSantosh Shilimkar #endif 138b07682b6SSantosh Shilimkar 139fc7b92fcSBalaji T K #define SUB_CHIP_ID0 0 140fc7b92fcSBalaji T K #define SUB_CHIP_ID1 1 141fc7b92fcSBalaji T K #define SUB_CHIP_ID2 2 142fc7b92fcSBalaji T K #define SUB_CHIP_ID3 3 143fc7b92fcSBalaji T K 144fc7b92fcSBalaji T K #define TWL_MODULE_LAST TWL4030_MODULE_LAST 145fc7b92fcSBalaji T K 146b07682b6SSantosh Shilimkar /* Base Address defns for twl4030_map[] */ 147b07682b6SSantosh Shilimkar 148b07682b6SSantosh Shilimkar /* subchip/slave 0 - USB ID */ 149b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_USB 0x0000 150b07682b6SSantosh Shilimkar 151b07682b6SSantosh Shilimkar /* subchip/slave 1 - AUD ID */ 152b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_AUDIO_VOICE 0x0000 153b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_GPIO 0x0098 154b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INTBR 0x0085 155b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PIH 0x0080 156b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_TEST 0x004C 157b07682b6SSantosh Shilimkar 158b07682b6SSantosh Shilimkar /* subchip/slave 2 - AUX ID */ 159b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INTERRUPTS 0x00B9 160b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_LED 0x00EE 161b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_MADC 0x0000 162b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_MAIN_CHARGE 0x0074 163b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PRECHARGE 0x00AA 164b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWM0 0x00F8 165b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWM1 0x00FB 166b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWMA 0x00EF 167b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWMB 0x00F1 168b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_KEYPAD 0x00D2 169b07682b6SSantosh Shilimkar 170b07682b6SSantosh Shilimkar #define TWL5031_BASEADD_ACCESSORY 0x0074 /* Replaces Main Charge */ 171b07682b6SSantosh Shilimkar #define TWL5031_BASEADD_INTERRUPTS 0x00B9 /* Different than TWL4030's 172b07682b6SSantosh Shilimkar one */ 173b07682b6SSantosh Shilimkar 174b07682b6SSantosh Shilimkar /* subchip/slave 3 - POWER ID */ 175b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_BACKUP 0x0014 176b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INT 0x002E 177b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PM_MASTER 0x0036 178b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PM_RECEIVER 0x005B 179b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_RTC 0x001C 180b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_SECURED_REG 0x0000 181b07682b6SSantosh Shilimkar 182b07682b6SSantosh Shilimkar /* Triton Core internal information (END) */ 183b07682b6SSantosh Shilimkar 184b07682b6SSantosh Shilimkar 185e8deb28cSBalaji T K /* subchip/slave 0 0x48 - POWER */ 186e8deb28cSBalaji T K #define TWL6030_BASEADD_RTC 0x0000 187e8deb28cSBalaji T K #define TWL6030_BASEADD_MEM 0x0017 188e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_MASTER 0x001F 189e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_SLAVE_MISC 0x0030 /* PM_RECEIVER */ 190e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_MISC 0x00E2 191e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_PUPD 0x00F0 192e8deb28cSBalaji T K 193e8deb28cSBalaji T K /* subchip/slave 1 0x49 - FEATURE */ 194e8deb28cSBalaji T K #define TWL6030_BASEADD_USB 0x0000 195e8deb28cSBalaji T K #define TWL6030_BASEADD_GPADC_CTRL 0x002E 196e8deb28cSBalaji T K #define TWL6030_BASEADD_AUX 0x0090 197e8deb28cSBalaji T K #define TWL6030_BASEADD_PWM 0x00BA 198e8deb28cSBalaji T K #define TWL6030_BASEADD_GASGAUGE 0x00C0 199e8deb28cSBalaji T K #define TWL6030_BASEADD_PIH 0x00D0 200e8deb28cSBalaji T K #define TWL6030_BASEADD_CHARGER 0x00E0 201e8deb28cSBalaji T K 202e8deb28cSBalaji T K /* subchip/slave 2 0x4A - DFT */ 203e8deb28cSBalaji T K #define TWL6030_BASEADD_DIEID 0x00C0 204e8deb28cSBalaji T K 205e8deb28cSBalaji T K /* subchip/slave 3 0x4B - AUDIO */ 206e8deb28cSBalaji T K #define TWL6030_BASEADD_AUDIO 0x0000 207e8deb28cSBalaji T K #define TWL6030_BASEADD_RSV 0x0000 208e8deb28cSBalaji T K 209b07682b6SSantosh Shilimkar /* Few power values */ 210b07682b6SSantosh Shilimkar #define R_CFG_BOOT 0x05 211b07682b6SSantosh Shilimkar #define R_PROTECT_KEY 0x0E 212b07682b6SSantosh Shilimkar 213b07682b6SSantosh Shilimkar /* access control values for R_PROTECT_KEY */ 214b07682b6SSantosh Shilimkar #define KEY_UNLOCK1 0xce 215b07682b6SSantosh Shilimkar #define KEY_UNLOCK2 0xec 216b07682b6SSantosh Shilimkar #define KEY_LOCK 0x00 217b07682b6SSantosh Shilimkar 218b07682b6SSantosh Shilimkar /* some fields in R_CFG_BOOT */ 219b07682b6SSantosh Shilimkar #define HFCLK_FREQ_19p2_MHZ (1 << 0) 220b07682b6SSantosh Shilimkar #define HFCLK_FREQ_26_MHZ (2 << 0) 221b07682b6SSantosh Shilimkar #define HFCLK_FREQ_38p4_MHZ (3 << 0) 222b07682b6SSantosh Shilimkar #define HIGH_PERF_SQ (1 << 3) 223b07682b6SSantosh Shilimkar #define CK32K_LOWPWR_EN (1 << 7) 224b07682b6SSantosh Shilimkar 225b07682b6SSantosh Shilimkar 226b07682b6SSantosh Shilimkar /* chip-specific feature flags, for i2c_device_id.driver_data */ 227b07682b6SSantosh Shilimkar #define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */ 228b07682b6SSantosh Shilimkar #define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */ 229b07682b6SSantosh Shilimkar #define TWL5031 BIT(2) /* twl5031 has different registers */ 230e8deb28cSBalaji T K #define TWL6030_CLASS BIT(3) /* TWL6030 class */ 231b07682b6SSantosh Shilimkar 232b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 233b07682b6SSantosh Shilimkar 234b07682b6SSantosh Shilimkar /* is driver active, bound to a chip? */ 235b07682b6SSantosh Shilimkar static bool inuse; 236b07682b6SSantosh Shilimkar 237e8deb28cSBalaji T K static unsigned int twl_id; 238e8deb28cSBalaji T K unsigned int twl_rev(void) 239e8deb28cSBalaji T K { 240e8deb28cSBalaji T K return twl_id; 241e8deb28cSBalaji T K } 242e8deb28cSBalaji T K EXPORT_SYMBOL(twl_rev); 243e8deb28cSBalaji T K 244e8deb28cSBalaji T K /* Structure for each TWL4030/TWL6030 Slave */ 245fc7b92fcSBalaji T K struct twl_client { 246b07682b6SSantosh Shilimkar struct i2c_client *client; 247b07682b6SSantosh Shilimkar u8 address; 248b07682b6SSantosh Shilimkar 249b07682b6SSantosh Shilimkar /* max numb of i2c_msg required is for read =2 */ 250b07682b6SSantosh Shilimkar struct i2c_msg xfer_msg[2]; 251b07682b6SSantosh Shilimkar 252b07682b6SSantosh Shilimkar /* To lock access to xfer_msg */ 253b07682b6SSantosh Shilimkar struct mutex xfer_lock; 254b07682b6SSantosh Shilimkar }; 255b07682b6SSantosh Shilimkar 256fc7b92fcSBalaji T K static struct twl_client twl_modules[TWL_NUM_SLAVES]; 257b07682b6SSantosh Shilimkar 258b07682b6SSantosh Shilimkar 259b07682b6SSantosh Shilimkar /* mapping the module id to slave id and base address */ 260fc7b92fcSBalaji T K struct twl_mapping { 261b07682b6SSantosh Shilimkar unsigned char sid; /* Slave ID */ 262b07682b6SSantosh Shilimkar unsigned char base; /* base address */ 263b07682b6SSantosh Shilimkar }; 264e8deb28cSBalaji T K struct twl_mapping *twl_map; 265b07682b6SSantosh Shilimkar 266fc7b92fcSBalaji T K static struct twl_mapping twl4030_map[TWL4030_MODULE_LAST + 1] = { 267b07682b6SSantosh Shilimkar /* 268b07682b6SSantosh Shilimkar * NOTE: don't change this table without updating the 269e8deb28cSBalaji T K * <linux/i2c/twl.h> defines for TWL4030_MODULE_* 270b07682b6SSantosh Shilimkar * so they continue to match the order in this table. 271b07682b6SSantosh Shilimkar */ 272b07682b6SSantosh Shilimkar 273b07682b6SSantosh Shilimkar { 0, TWL4030_BASEADD_USB }, 274b07682b6SSantosh Shilimkar 275b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_AUDIO_VOICE }, 276b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_GPIO }, 277b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_INTBR }, 278b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_PIH }, 279b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_TEST }, 280b07682b6SSantosh Shilimkar 281b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_KEYPAD }, 282b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_MADC }, 283b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_INTERRUPTS }, 284b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_LED }, 285b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_MAIN_CHARGE }, 286b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PRECHARGE }, 287b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWM0 }, 288b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWM1 }, 289b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWMA }, 290b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWMB }, 291b07682b6SSantosh Shilimkar { 2, TWL5031_BASEADD_ACCESSORY }, 292b07682b6SSantosh Shilimkar { 2, TWL5031_BASEADD_INTERRUPTS }, 293b07682b6SSantosh Shilimkar 294b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_BACKUP }, 295b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_INT }, 296b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_PM_MASTER }, 297b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_PM_RECEIVER }, 298b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_RTC }, 299b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_SECURED_REG }, 300b07682b6SSantosh Shilimkar }; 301b07682b6SSantosh Shilimkar 302e8deb28cSBalaji T K static struct twl_mapping twl6030_map[] = { 303e8deb28cSBalaji T K /* 304e8deb28cSBalaji T K * NOTE: don't change this table without updating the 305e8deb28cSBalaji T K * <linux/i2c/twl.h> defines for TWL4030_MODULE_* 306e8deb28cSBalaji T K * so they continue to match the order in this table. 307e8deb28cSBalaji T K */ 308e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_USB }, 309e8deb28cSBalaji T K { SUB_CHIP_ID3, TWL6030_BASEADD_AUDIO }, 310e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_DIEID }, 311e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 312e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_PIH }, 313e8deb28cSBalaji T K 314e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 315e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 316e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_GPADC_CTRL }, 317e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 318e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 319e8deb28cSBalaji T K 320e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_CHARGER }, 321e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_GASGAUGE }, 322e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_PWM }, 323e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 324e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 325e8deb28cSBalaji T K 326e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 327e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 328e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 329e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_PM_MASTER }, 330e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_PM_SLAVE_MISC }, 331e8deb28cSBalaji T K 332e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_RTC }, 333e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_MEM }, 334e8deb28cSBalaji T K }; 335e8deb28cSBalaji T K 336b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 337b07682b6SSantosh Shilimkar 338b07682b6SSantosh Shilimkar /* Exported Functions */ 339b07682b6SSantosh Shilimkar 340b07682b6SSantosh Shilimkar /** 341fc7b92fcSBalaji T K * twl_i2c_write - Writes a n bit register in TWL4030/TWL5030/TWL60X0 342b07682b6SSantosh Shilimkar * @mod_no: module number 343b07682b6SSantosh Shilimkar * @value: an array of num_bytes+1 containing data to write 344b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 345b07682b6SSantosh Shilimkar * @num_bytes: number of bytes to transfer 346b07682b6SSantosh Shilimkar * 347b07682b6SSantosh Shilimkar * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and 348b07682b6SSantosh Shilimkar * valid data starts at Offset 1. 349b07682b6SSantosh Shilimkar * 350b07682b6SSantosh Shilimkar * Returns the result of operation - 0 is success 351b07682b6SSantosh Shilimkar */ 352fc7b92fcSBalaji T K int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 353b07682b6SSantosh Shilimkar { 354b07682b6SSantosh Shilimkar int ret; 355b07682b6SSantosh Shilimkar int sid; 356fc7b92fcSBalaji T K struct twl_client *twl; 357b07682b6SSantosh Shilimkar struct i2c_msg *msg; 358b07682b6SSantosh Shilimkar 359fc7b92fcSBalaji T K if (unlikely(mod_no > TWL_MODULE_LAST)) { 360b07682b6SSantosh Shilimkar pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 361b07682b6SSantosh Shilimkar return -EPERM; 362b07682b6SSantosh Shilimkar } 363e8deb28cSBalaji T K sid = twl_map[mod_no].sid; 364fc7b92fcSBalaji T K twl = &twl_modules[sid]; 365b07682b6SSantosh Shilimkar 366b07682b6SSantosh Shilimkar if (unlikely(!inuse)) { 367b07682b6SSantosh Shilimkar pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid); 368b07682b6SSantosh Shilimkar return -EPERM; 369b07682b6SSantosh Shilimkar } 370b07682b6SSantosh Shilimkar mutex_lock(&twl->xfer_lock); 371b07682b6SSantosh Shilimkar /* 372b07682b6SSantosh Shilimkar * [MSG1]: fill the register address data 373b07682b6SSantosh Shilimkar * fill the data Tx buffer 374b07682b6SSantosh Shilimkar */ 375b07682b6SSantosh Shilimkar msg = &twl->xfer_msg[0]; 376b07682b6SSantosh Shilimkar msg->addr = twl->address; 377b07682b6SSantosh Shilimkar msg->len = num_bytes + 1; 378b07682b6SSantosh Shilimkar msg->flags = 0; 379b07682b6SSantosh Shilimkar msg->buf = value; 380b07682b6SSantosh Shilimkar /* over write the first byte of buffer with the register address */ 381e8deb28cSBalaji T K *value = twl_map[mod_no].base + reg; 382b07682b6SSantosh Shilimkar ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 1); 383b07682b6SSantosh Shilimkar mutex_unlock(&twl->xfer_lock); 384b07682b6SSantosh Shilimkar 385b07682b6SSantosh Shilimkar /* i2c_transfer returns number of messages transferred */ 386b07682b6SSantosh Shilimkar if (ret != 1) { 387b07682b6SSantosh Shilimkar pr_err("%s: i2c_write failed to transfer all messages\n", 388b07682b6SSantosh Shilimkar DRIVER_NAME); 389b07682b6SSantosh Shilimkar if (ret < 0) 390b07682b6SSantosh Shilimkar return ret; 391b07682b6SSantosh Shilimkar else 392b07682b6SSantosh Shilimkar return -EIO; 393b07682b6SSantosh Shilimkar } else { 394b07682b6SSantosh Shilimkar return 0; 395b07682b6SSantosh Shilimkar } 396b07682b6SSantosh Shilimkar } 397fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_write); 398b07682b6SSantosh Shilimkar 399b07682b6SSantosh Shilimkar /** 400fc7b92fcSBalaji T K * twl_i2c_read - Reads a n bit register in TWL4030/TWL5030/TWL60X0 401b07682b6SSantosh Shilimkar * @mod_no: module number 402b07682b6SSantosh Shilimkar * @value: an array of num_bytes containing data to be read 403b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 404b07682b6SSantosh Shilimkar * @num_bytes: number of bytes to transfer 405b07682b6SSantosh Shilimkar * 406b07682b6SSantosh Shilimkar * Returns result of operation - num_bytes is success else failure. 407b07682b6SSantosh Shilimkar */ 408fc7b92fcSBalaji T K int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 409b07682b6SSantosh Shilimkar { 410b07682b6SSantosh Shilimkar int ret; 411b07682b6SSantosh Shilimkar u8 val; 412b07682b6SSantosh Shilimkar int sid; 413fc7b92fcSBalaji T K struct twl_client *twl; 414b07682b6SSantosh Shilimkar struct i2c_msg *msg; 415b07682b6SSantosh Shilimkar 416fc7b92fcSBalaji T K if (unlikely(mod_no > TWL_MODULE_LAST)) { 417b07682b6SSantosh Shilimkar pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 418b07682b6SSantosh Shilimkar return -EPERM; 419b07682b6SSantosh Shilimkar } 420e8deb28cSBalaji T K sid = twl_map[mod_no].sid; 421fc7b92fcSBalaji T K twl = &twl_modules[sid]; 422b07682b6SSantosh Shilimkar 423b07682b6SSantosh Shilimkar if (unlikely(!inuse)) { 424b07682b6SSantosh Shilimkar pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid); 425b07682b6SSantosh Shilimkar return -EPERM; 426b07682b6SSantosh Shilimkar } 427b07682b6SSantosh Shilimkar mutex_lock(&twl->xfer_lock); 428b07682b6SSantosh Shilimkar /* [MSG1] fill the register address data */ 429b07682b6SSantosh Shilimkar msg = &twl->xfer_msg[0]; 430b07682b6SSantosh Shilimkar msg->addr = twl->address; 431b07682b6SSantosh Shilimkar msg->len = 1; 432b07682b6SSantosh Shilimkar msg->flags = 0; /* Read the register value */ 433e8deb28cSBalaji T K val = twl_map[mod_no].base + reg; 434b07682b6SSantosh Shilimkar msg->buf = &val; 435b07682b6SSantosh Shilimkar /* [MSG2] fill the data rx buffer */ 436b07682b6SSantosh Shilimkar msg = &twl->xfer_msg[1]; 437b07682b6SSantosh Shilimkar msg->addr = twl->address; 438b07682b6SSantosh Shilimkar msg->flags = I2C_M_RD; /* Read the register value */ 439b07682b6SSantosh Shilimkar msg->len = num_bytes; /* only n bytes */ 440b07682b6SSantosh Shilimkar msg->buf = value; 441b07682b6SSantosh Shilimkar ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 2); 442b07682b6SSantosh Shilimkar mutex_unlock(&twl->xfer_lock); 443b07682b6SSantosh Shilimkar 444b07682b6SSantosh Shilimkar /* i2c_transfer returns number of messages transferred */ 445b07682b6SSantosh Shilimkar if (ret != 2) { 446b07682b6SSantosh Shilimkar pr_err("%s: i2c_read failed to transfer all messages\n", 447b07682b6SSantosh Shilimkar DRIVER_NAME); 448b07682b6SSantosh Shilimkar if (ret < 0) 449b07682b6SSantosh Shilimkar return ret; 450b07682b6SSantosh Shilimkar else 451b07682b6SSantosh Shilimkar return -EIO; 452b07682b6SSantosh Shilimkar } else { 453b07682b6SSantosh Shilimkar return 0; 454b07682b6SSantosh Shilimkar } 455b07682b6SSantosh Shilimkar } 456fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_read); 457b07682b6SSantosh Shilimkar 458b07682b6SSantosh Shilimkar /** 459fc7b92fcSBalaji T K * twl_i2c_write_u8 - Writes a 8 bit register in TWL4030/TWL5030/TWL60X0 460b07682b6SSantosh Shilimkar * @mod_no: module number 461b07682b6SSantosh Shilimkar * @value: the value to be written 8 bit 462b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 463b07682b6SSantosh Shilimkar * 464b07682b6SSantosh Shilimkar * Returns result of operation - 0 is success 465b07682b6SSantosh Shilimkar */ 466fc7b92fcSBalaji T K int twl_i2c_write_u8(u8 mod_no, u8 value, u8 reg) 467b07682b6SSantosh Shilimkar { 468b07682b6SSantosh Shilimkar 469b07682b6SSantosh Shilimkar /* 2 bytes offset 1 contains the data offset 0 is used by i2c_write */ 470b07682b6SSantosh Shilimkar u8 temp_buffer[2] = { 0 }; 471b07682b6SSantosh Shilimkar /* offset 1 contains the data */ 472b07682b6SSantosh Shilimkar temp_buffer[1] = value; 473fc7b92fcSBalaji T K return twl_i2c_write(mod_no, temp_buffer, reg, 1); 474b07682b6SSantosh Shilimkar } 475fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_write_u8); 476b07682b6SSantosh Shilimkar 477b07682b6SSantosh Shilimkar /** 478fc7b92fcSBalaji T K * twl_i2c_read_u8 - Reads a 8 bit register from TWL4030/TWL5030/TWL60X0 479b07682b6SSantosh Shilimkar * @mod_no: module number 480b07682b6SSantosh Shilimkar * @value: the value read 8 bit 481b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 482b07682b6SSantosh Shilimkar * 483b07682b6SSantosh Shilimkar * Returns result of operation - 0 is success 484b07682b6SSantosh Shilimkar */ 485fc7b92fcSBalaji T K int twl_i2c_read_u8(u8 mod_no, u8 *value, u8 reg) 486b07682b6SSantosh Shilimkar { 487fc7b92fcSBalaji T K return twl_i2c_read(mod_no, value, reg, 1); 488b07682b6SSantosh Shilimkar } 489fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_read_u8); 490b07682b6SSantosh Shilimkar 491b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 492b07682b6SSantosh Shilimkar 493b07682b6SSantosh Shilimkar static struct device * 494b07682b6SSantosh Shilimkar add_numbered_child(unsigned chip, const char *name, int num, 495b07682b6SSantosh Shilimkar void *pdata, unsigned pdata_len, 496b07682b6SSantosh Shilimkar bool can_wakeup, int irq0, int irq1) 497b07682b6SSantosh Shilimkar { 498b07682b6SSantosh Shilimkar struct platform_device *pdev; 499fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[chip]; 500b07682b6SSantosh Shilimkar int status; 501b07682b6SSantosh Shilimkar 502b07682b6SSantosh Shilimkar pdev = platform_device_alloc(name, num); 503b07682b6SSantosh Shilimkar if (!pdev) { 504b07682b6SSantosh Shilimkar dev_dbg(&twl->client->dev, "can't alloc dev\n"); 505b07682b6SSantosh Shilimkar status = -ENOMEM; 506b07682b6SSantosh Shilimkar goto err; 507b07682b6SSantosh Shilimkar } 508b07682b6SSantosh Shilimkar 509b07682b6SSantosh Shilimkar device_init_wakeup(&pdev->dev, can_wakeup); 510b07682b6SSantosh Shilimkar pdev->dev.parent = &twl->client->dev; 511b07682b6SSantosh Shilimkar 512b07682b6SSantosh Shilimkar if (pdata) { 513b07682b6SSantosh Shilimkar status = platform_device_add_data(pdev, pdata, pdata_len); 514b07682b6SSantosh Shilimkar if (status < 0) { 515b07682b6SSantosh Shilimkar dev_dbg(&pdev->dev, "can't add platform_data\n"); 516b07682b6SSantosh Shilimkar goto err; 517b07682b6SSantosh Shilimkar } 518b07682b6SSantosh Shilimkar } 519b07682b6SSantosh Shilimkar 520b07682b6SSantosh Shilimkar if (irq0) { 521b07682b6SSantosh Shilimkar struct resource r[2] = { 522b07682b6SSantosh Shilimkar { .start = irq0, .flags = IORESOURCE_IRQ, }, 523b07682b6SSantosh Shilimkar { .start = irq1, .flags = IORESOURCE_IRQ, }, 524b07682b6SSantosh Shilimkar }; 525b07682b6SSantosh Shilimkar 526b07682b6SSantosh Shilimkar status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); 527b07682b6SSantosh Shilimkar if (status < 0) { 528b07682b6SSantosh Shilimkar dev_dbg(&pdev->dev, "can't add irqs\n"); 529b07682b6SSantosh Shilimkar goto err; 530b07682b6SSantosh Shilimkar } 531b07682b6SSantosh Shilimkar } 532b07682b6SSantosh Shilimkar 533b07682b6SSantosh Shilimkar status = platform_device_add(pdev); 534b07682b6SSantosh Shilimkar 535b07682b6SSantosh Shilimkar err: 536b07682b6SSantosh Shilimkar if (status < 0) { 537b07682b6SSantosh Shilimkar platform_device_put(pdev); 538b07682b6SSantosh Shilimkar dev_err(&twl->client->dev, "can't add %s dev\n", name); 539b07682b6SSantosh Shilimkar return ERR_PTR(status); 540b07682b6SSantosh Shilimkar } 541b07682b6SSantosh Shilimkar return &pdev->dev; 542b07682b6SSantosh Shilimkar } 543b07682b6SSantosh Shilimkar 544b07682b6SSantosh Shilimkar static inline struct device *add_child(unsigned chip, const char *name, 545b07682b6SSantosh Shilimkar void *pdata, unsigned pdata_len, 546b07682b6SSantosh Shilimkar bool can_wakeup, int irq0, int irq1) 547b07682b6SSantosh Shilimkar { 548b07682b6SSantosh Shilimkar return add_numbered_child(chip, name, -1, pdata, pdata_len, 549b07682b6SSantosh Shilimkar can_wakeup, irq0, irq1); 550b07682b6SSantosh Shilimkar } 551b07682b6SSantosh Shilimkar 552b07682b6SSantosh Shilimkar static struct device * 553b07682b6SSantosh Shilimkar add_regulator_linked(int num, struct regulator_init_data *pdata, 554b07682b6SSantosh Shilimkar struct regulator_consumer_supply *consumers, 555b07682b6SSantosh Shilimkar unsigned num_consumers) 556b07682b6SSantosh Shilimkar { 557e8deb28cSBalaji T K unsigned sub_chip_id; 558b07682b6SSantosh Shilimkar /* regulator framework demands init_data ... */ 559b07682b6SSantosh Shilimkar if (!pdata) 560b07682b6SSantosh Shilimkar return NULL; 561b07682b6SSantosh Shilimkar 562b07682b6SSantosh Shilimkar if (consumers) { 563b07682b6SSantosh Shilimkar pdata->consumer_supplies = consumers; 564b07682b6SSantosh Shilimkar pdata->num_consumer_supplies = num_consumers; 565b07682b6SSantosh Shilimkar } 566b07682b6SSantosh Shilimkar 567b07682b6SSantosh Shilimkar /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ 568e8deb28cSBalaji T K sub_chip_id = twl_map[TWL_MODULE_PM_MASTER].sid; 569e8deb28cSBalaji T K return add_numbered_child(sub_chip_id, "twl_reg", num, 570b07682b6SSantosh Shilimkar pdata, sizeof(*pdata), false, 0, 0); 571b07682b6SSantosh Shilimkar } 572b07682b6SSantosh Shilimkar 573b07682b6SSantosh Shilimkar static struct device * 574b07682b6SSantosh Shilimkar add_regulator(int num, struct regulator_init_data *pdata) 575b07682b6SSantosh Shilimkar { 576b07682b6SSantosh Shilimkar return add_regulator_linked(num, pdata, NULL, 0); 577b07682b6SSantosh Shilimkar } 578b07682b6SSantosh Shilimkar 579b07682b6SSantosh Shilimkar /* 580b07682b6SSantosh Shilimkar * NOTE: We know the first 8 IRQs after pdata->base_irq are 581b07682b6SSantosh Shilimkar * for the PIH, and the next are for the PWR_INT SIH, since 582b07682b6SSantosh Shilimkar * that's how twl_init_irq() sets things up. 583b07682b6SSantosh Shilimkar */ 584b07682b6SSantosh Shilimkar 585b07682b6SSantosh Shilimkar static int 586b07682b6SSantosh Shilimkar add_children(struct twl4030_platform_data *pdata, unsigned long features) 587b07682b6SSantosh Shilimkar { 588b07682b6SSantosh Shilimkar struct device *child; 589e8deb28cSBalaji T K unsigned sub_chip_id; 590b07682b6SSantosh Shilimkar 591b07682b6SSantosh Shilimkar if (twl_has_bci() && pdata->bci && 592b07682b6SSantosh Shilimkar !(features & (TPS_SUBSET | TWL5031))) { 593b07682b6SSantosh Shilimkar child = add_child(3, "twl4030_bci", 594b07682b6SSantosh Shilimkar pdata->bci, sizeof(*pdata->bci), 595b07682b6SSantosh Shilimkar false, 596b07682b6SSantosh Shilimkar /* irq0 = CHG_PRES, irq1 = BCI */ 597fc7b92fcSBalaji T K pdata->irq_base + BCI_PRES_INTR_OFFSET, 598fc7b92fcSBalaji T K pdata->irq_base + BCI_INTR_OFFSET); 599b07682b6SSantosh Shilimkar if (IS_ERR(child)) 600b07682b6SSantosh Shilimkar return PTR_ERR(child); 601b07682b6SSantosh Shilimkar } 602b07682b6SSantosh Shilimkar 603b07682b6SSantosh Shilimkar if (twl_has_gpio() && pdata->gpio) { 604fc7b92fcSBalaji T K child = add_child(SUB_CHIP_ID1, "twl4030_gpio", 605b07682b6SSantosh Shilimkar pdata->gpio, sizeof(*pdata->gpio), 606fc7b92fcSBalaji T K false, pdata->irq_base + GPIO_INTR_OFFSET, 0); 607b07682b6SSantosh Shilimkar if (IS_ERR(child)) 608b07682b6SSantosh Shilimkar return PTR_ERR(child); 609b07682b6SSantosh Shilimkar } 610b07682b6SSantosh Shilimkar 611b07682b6SSantosh Shilimkar if (twl_has_keypad() && pdata->keypad) { 612fc7b92fcSBalaji T K child = add_child(SUB_CHIP_ID2, "twl4030_keypad", 613b07682b6SSantosh Shilimkar pdata->keypad, sizeof(*pdata->keypad), 614fc7b92fcSBalaji T K true, pdata->irq_base + KEYPAD_INTR_OFFSET, 0); 615b07682b6SSantosh Shilimkar if (IS_ERR(child)) 616b07682b6SSantosh Shilimkar return PTR_ERR(child); 617b07682b6SSantosh Shilimkar } 618b07682b6SSantosh Shilimkar 619b07682b6SSantosh Shilimkar if (twl_has_madc() && pdata->madc) { 620b07682b6SSantosh Shilimkar child = add_child(2, "twl4030_madc", 621b07682b6SSantosh Shilimkar pdata->madc, sizeof(*pdata->madc), 622fc7b92fcSBalaji T K true, pdata->irq_base + MADC_INTR_OFFSET, 0); 623b07682b6SSantosh Shilimkar if (IS_ERR(child)) 624b07682b6SSantosh Shilimkar return PTR_ERR(child); 625b07682b6SSantosh Shilimkar } 626b07682b6SSantosh Shilimkar 627b07682b6SSantosh Shilimkar if (twl_has_rtc()) { 628b07682b6SSantosh Shilimkar /* 629b07682b6SSantosh Shilimkar * REVISIT platform_data here currently might expose the 630b07682b6SSantosh Shilimkar * "msecure" line ... but for now we just expect board 631b07682b6SSantosh Shilimkar * setup to tell the chip "it's always ok to SET_TIME". 632b07682b6SSantosh Shilimkar * Eventually, Linux might become more aware of such 633b07682b6SSantosh Shilimkar * HW security concerns, and "least privilege". 634b07682b6SSantosh Shilimkar */ 635e8deb28cSBalaji T K sub_chip_id = twl_map[TWL_MODULE_RTC].sid; 636e8deb28cSBalaji T K child = add_child(sub_chip_id, "twl_rtc", 637b07682b6SSantosh Shilimkar NULL, 0, 638fc7b92fcSBalaji T K true, pdata->irq_base + RTC_INTR_OFFSET, 0); 639b07682b6SSantosh Shilimkar if (IS_ERR(child)) 640b07682b6SSantosh Shilimkar return PTR_ERR(child); 641b07682b6SSantosh Shilimkar } 642b07682b6SSantosh Shilimkar 6439da66539SRajendra Nayak if (twl_has_usb() && pdata->usb && twl_class_is_4030()) { 644b07682b6SSantosh Shilimkar 645b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb1v5 = { 646b07682b6SSantosh Shilimkar .supply = "usb1v5", 647b07682b6SSantosh Shilimkar }; 648b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb1v8 = { 649b07682b6SSantosh Shilimkar .supply = "usb1v8", 650b07682b6SSantosh Shilimkar }; 651b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb3v1 = { 652b07682b6SSantosh Shilimkar .supply = "usb3v1", 653b07682b6SSantosh Shilimkar }; 654b07682b6SSantosh Shilimkar 655b07682b6SSantosh Shilimkar /* First add the regulators so that they can be used by transceiver */ 656b07682b6SSantosh Shilimkar if (twl_has_regulator()) { 657b07682b6SSantosh Shilimkar /* this is a template that gets copied */ 658b07682b6SSantosh Shilimkar struct regulator_init_data usb_fixed = { 659b07682b6SSantosh Shilimkar .constraints.valid_modes_mask = 660b07682b6SSantosh Shilimkar REGULATOR_MODE_NORMAL 661b07682b6SSantosh Shilimkar | REGULATOR_MODE_STANDBY, 662b07682b6SSantosh Shilimkar .constraints.valid_ops_mask = 663b07682b6SSantosh Shilimkar REGULATOR_CHANGE_MODE 664b07682b6SSantosh Shilimkar | REGULATOR_CHANGE_STATUS, 665b07682b6SSantosh Shilimkar }; 666b07682b6SSantosh Shilimkar 667b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB1V5, 668b07682b6SSantosh Shilimkar &usb_fixed, &usb1v5, 1); 669b07682b6SSantosh Shilimkar if (IS_ERR(child)) 670b07682b6SSantosh Shilimkar return PTR_ERR(child); 671b07682b6SSantosh Shilimkar 672b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB1V8, 673b07682b6SSantosh Shilimkar &usb_fixed, &usb1v8, 1); 674b07682b6SSantosh Shilimkar if (IS_ERR(child)) 675b07682b6SSantosh Shilimkar return PTR_ERR(child); 676b07682b6SSantosh Shilimkar 677b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB3V1, 678b07682b6SSantosh Shilimkar &usb_fixed, &usb3v1, 1); 679b07682b6SSantosh Shilimkar if (IS_ERR(child)) 680b07682b6SSantosh Shilimkar return PTR_ERR(child); 681b07682b6SSantosh Shilimkar 682b07682b6SSantosh Shilimkar } 683b07682b6SSantosh Shilimkar 684b07682b6SSantosh Shilimkar child = add_child(0, "twl4030_usb", 685b07682b6SSantosh Shilimkar pdata->usb, sizeof(*pdata->usb), 686b07682b6SSantosh Shilimkar true, 687b07682b6SSantosh Shilimkar /* irq0 = USB_PRES, irq1 = USB */ 688fc7b92fcSBalaji T K pdata->irq_base + USB_PRES_INTR_OFFSET, 689fc7b92fcSBalaji T K pdata->irq_base + USB_INTR_OFFSET); 690b07682b6SSantosh Shilimkar 691b07682b6SSantosh Shilimkar if (IS_ERR(child)) 692b07682b6SSantosh Shilimkar return PTR_ERR(child); 693b07682b6SSantosh Shilimkar 694b07682b6SSantosh Shilimkar /* we need to connect regulators to this transceiver */ 695b07682b6SSantosh Shilimkar if (twl_has_regulator() && child) { 696b07682b6SSantosh Shilimkar usb1v5.dev = child; 697b07682b6SSantosh Shilimkar usb1v8.dev = child; 698b07682b6SSantosh Shilimkar usb3v1.dev = child; 699b07682b6SSantosh Shilimkar } 700b07682b6SSantosh Shilimkar } 701b07682b6SSantosh Shilimkar 702b07682b6SSantosh Shilimkar if (twl_has_watchdog()) { 703b07682b6SSantosh Shilimkar child = add_child(0, "twl4030_wdt", NULL, 0, false, 0, 0); 704b07682b6SSantosh Shilimkar if (IS_ERR(child)) 705b07682b6SSantosh Shilimkar return PTR_ERR(child); 706b07682b6SSantosh Shilimkar } 707b07682b6SSantosh Shilimkar 708b07682b6SSantosh Shilimkar if (twl_has_pwrbutton()) { 709b07682b6SSantosh Shilimkar child = add_child(1, "twl4030_pwrbutton", 710b07682b6SSantosh Shilimkar NULL, 0, true, pdata->irq_base + 8 + 0, 0); 711b07682b6SSantosh Shilimkar if (IS_ERR(child)) 712b07682b6SSantosh Shilimkar return PTR_ERR(child); 713b07682b6SSantosh Shilimkar } 714b07682b6SSantosh Shilimkar 715d62abe56SMisael Lopez Cruz if (twl_has_codec() && pdata->codec && twl_class_is_4030()) { 716d62abe56SMisael Lopez Cruz sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid; 717d62abe56SMisael Lopez Cruz child = add_child(sub_chip_id, "twl4030_codec", 718d62abe56SMisael Lopez Cruz pdata->codec, sizeof(*pdata->codec), 719d62abe56SMisael Lopez Cruz false, 0, 0); 720d62abe56SMisael Lopez Cruz if (IS_ERR(child)) 721d62abe56SMisael Lopez Cruz return PTR_ERR(child); 722d62abe56SMisael Lopez Cruz } 723d62abe56SMisael Lopez Cruz 724d62abe56SMisael Lopez Cruz /* Phoenix*/ 725d62abe56SMisael Lopez Cruz if (twl_has_codec() && pdata->codec && twl_class_is_6030()) { 726d62abe56SMisael Lopez Cruz sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid; 727d62abe56SMisael Lopez Cruz child = add_child(sub_chip_id, "twl6030_codec", 728b07682b6SSantosh Shilimkar pdata->codec, sizeof(*pdata->codec), 729b07682b6SSantosh Shilimkar false, 0, 0); 730b07682b6SSantosh Shilimkar if (IS_ERR(child)) 731b07682b6SSantosh Shilimkar return PTR_ERR(child); 732b07682b6SSantosh Shilimkar } 733b07682b6SSantosh Shilimkar 7349da66539SRajendra Nayak /* twl4030 regulators */ 7359da66539SRajendra Nayak if (twl_has_regulator() && twl_class_is_4030()) { 736b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1); 737b07682b6SSantosh Shilimkar if (IS_ERR(child)) 738b07682b6SSantosh Shilimkar return PTR_ERR(child); 739b07682b6SSantosh Shilimkar 740b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VIO, pdata->vio); 741b07682b6SSantosh Shilimkar if (IS_ERR(child)) 742b07682b6SSantosh Shilimkar return PTR_ERR(child); 743b07682b6SSantosh Shilimkar 744b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VDD1, pdata->vdd1); 745b07682b6SSantosh Shilimkar if (IS_ERR(child)) 746b07682b6SSantosh Shilimkar return PTR_ERR(child); 747b07682b6SSantosh Shilimkar 748b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VDD2, pdata->vdd2); 749b07682b6SSantosh Shilimkar if (IS_ERR(child)) 750b07682b6SSantosh Shilimkar return PTR_ERR(child); 751b07682b6SSantosh Shilimkar 752b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1); 753b07682b6SSantosh Shilimkar if (IS_ERR(child)) 754b07682b6SSantosh Shilimkar return PTR_ERR(child); 755b07682b6SSantosh Shilimkar 756b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VDAC, pdata->vdac); 757b07682b6SSantosh Shilimkar if (IS_ERR(child)) 758b07682b6SSantosh Shilimkar return PTR_ERR(child); 759b07682b6SSantosh Shilimkar 760b07682b6SSantosh Shilimkar child = add_regulator((features & TWL4030_VAUX2) 761b07682b6SSantosh Shilimkar ? TWL4030_REG_VAUX2_4030 762b07682b6SSantosh Shilimkar : TWL4030_REG_VAUX2, 763b07682b6SSantosh Shilimkar pdata->vaux2); 764b07682b6SSantosh Shilimkar if (IS_ERR(child)) 765b07682b6SSantosh Shilimkar return PTR_ERR(child); 766b07682b6SSantosh Shilimkar 767b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VINTANA1, pdata->vintana1); 768b07682b6SSantosh Shilimkar if (IS_ERR(child)) 769b07682b6SSantosh Shilimkar return PTR_ERR(child); 770b07682b6SSantosh Shilimkar 771b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VINTANA2, pdata->vintana2); 772b07682b6SSantosh Shilimkar if (IS_ERR(child)) 773b07682b6SSantosh Shilimkar return PTR_ERR(child); 774b07682b6SSantosh Shilimkar 775b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VINTDIG, pdata->vintdig); 776b07682b6SSantosh Shilimkar if (IS_ERR(child)) 777b07682b6SSantosh Shilimkar return PTR_ERR(child); 778b07682b6SSantosh Shilimkar } 779b07682b6SSantosh Shilimkar 780b07682b6SSantosh Shilimkar /* maybe add LDOs that are omitted on cost-reduced parts */ 7819da66539SRajendra Nayak if (twl_has_regulator() && !(features & TPS_SUBSET) 7829da66539SRajendra Nayak && twl_class_is_4030()) { 783b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2); 784b07682b6SSantosh Shilimkar if (IS_ERR(child)) 785b07682b6SSantosh Shilimkar return PTR_ERR(child); 786b07682b6SSantosh Shilimkar 787b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2); 788b07682b6SSantosh Shilimkar if (IS_ERR(child)) 789b07682b6SSantosh Shilimkar return PTR_ERR(child); 790b07682b6SSantosh Shilimkar 791b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VSIM, pdata->vsim); 792b07682b6SSantosh Shilimkar if (IS_ERR(child)) 793b07682b6SSantosh Shilimkar return PTR_ERR(child); 794b07682b6SSantosh Shilimkar 795b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1); 796b07682b6SSantosh Shilimkar if (IS_ERR(child)) 797b07682b6SSantosh Shilimkar return PTR_ERR(child); 798b07682b6SSantosh Shilimkar 799b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3); 800b07682b6SSantosh Shilimkar if (IS_ERR(child)) 801b07682b6SSantosh Shilimkar return PTR_ERR(child); 802b07682b6SSantosh Shilimkar 803b07682b6SSantosh Shilimkar child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4); 804b07682b6SSantosh Shilimkar if (IS_ERR(child)) 805b07682b6SSantosh Shilimkar return PTR_ERR(child); 806b07682b6SSantosh Shilimkar } 807b07682b6SSantosh Shilimkar 8089da66539SRajendra Nayak /* twl6030 regulators */ 8099da66539SRajendra Nayak if (twl_has_regulator() && twl_class_is_6030()) { 8109da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc); 8119da66539SRajendra Nayak if (IS_ERR(child)) 8129da66539SRajendra Nayak return PTR_ERR(child); 8139da66539SRajendra Nayak 8149da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VPP, pdata->vpp); 8159da66539SRajendra Nayak if (IS_ERR(child)) 8169da66539SRajendra Nayak return PTR_ERR(child); 8179da66539SRajendra Nayak 8189da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VUSIM, pdata->vusim); 8199da66539SRajendra Nayak if (IS_ERR(child)) 8209da66539SRajendra Nayak return PTR_ERR(child); 8219da66539SRajendra Nayak 8229da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VANA, pdata->vana); 8239da66539SRajendra Nayak if (IS_ERR(child)) 8249da66539SRajendra Nayak return PTR_ERR(child); 8259da66539SRajendra Nayak 8269da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VCXIO, pdata->vcxio); 8279da66539SRajendra Nayak if (IS_ERR(child)) 8289da66539SRajendra Nayak return PTR_ERR(child); 8299da66539SRajendra Nayak 8309da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VDAC, pdata->vdac); 8319da66539SRajendra Nayak if (IS_ERR(child)) 8329da66539SRajendra Nayak return PTR_ERR(child); 8339da66539SRajendra Nayak 8349da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VUSB, pdata->vusb); 8359da66539SRajendra Nayak if (IS_ERR(child)) 8369da66539SRajendra Nayak return PTR_ERR(child); 8379da66539SRajendra Nayak 8389da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1); 8399da66539SRajendra Nayak if (IS_ERR(child)) 8409da66539SRajendra Nayak return PTR_ERR(child); 8419da66539SRajendra Nayak 8429da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VAUX2_6030, pdata->vaux2); 8439da66539SRajendra Nayak if (IS_ERR(child)) 8449da66539SRajendra Nayak return PTR_ERR(child); 8459da66539SRajendra Nayak 8469da66539SRajendra Nayak child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3); 8479da66539SRajendra Nayak if (IS_ERR(child)) 8489da66539SRajendra Nayak return PTR_ERR(child); 8499da66539SRajendra Nayak } 8509da66539SRajendra Nayak 851b07682b6SSantosh Shilimkar return 0; 852b07682b6SSantosh Shilimkar } 853b07682b6SSantosh Shilimkar 854b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 855b07682b6SSantosh Shilimkar 856b07682b6SSantosh Shilimkar /* 857b07682b6SSantosh Shilimkar * These three functions initialize the on-chip clock framework, 858b07682b6SSantosh Shilimkar * letting it generate the right frequencies for USB, MADC, and 859b07682b6SSantosh Shilimkar * other purposes. 860b07682b6SSantosh Shilimkar */ 861b07682b6SSantosh Shilimkar static inline int __init protect_pm_master(void) 862b07682b6SSantosh Shilimkar { 863b07682b6SSantosh Shilimkar int e = 0; 864b07682b6SSantosh Shilimkar 865fc7b92fcSBalaji T K e = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, KEY_LOCK, 866b07682b6SSantosh Shilimkar R_PROTECT_KEY); 867b07682b6SSantosh Shilimkar return e; 868b07682b6SSantosh Shilimkar } 869b07682b6SSantosh Shilimkar 870b07682b6SSantosh Shilimkar static inline int __init unprotect_pm_master(void) 871b07682b6SSantosh Shilimkar { 872b07682b6SSantosh Shilimkar int e = 0; 873b07682b6SSantosh Shilimkar 874fc7b92fcSBalaji T K e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, KEY_UNLOCK1, 875b07682b6SSantosh Shilimkar R_PROTECT_KEY); 876fc7b92fcSBalaji T K e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, KEY_UNLOCK2, 877b07682b6SSantosh Shilimkar R_PROTECT_KEY); 878b07682b6SSantosh Shilimkar return e; 879b07682b6SSantosh Shilimkar } 880b07682b6SSantosh Shilimkar 881b07682b6SSantosh Shilimkar static void clocks_init(struct device *dev, 882b07682b6SSantosh Shilimkar struct twl4030_clock_init_data *clock) 883b07682b6SSantosh Shilimkar { 884b07682b6SSantosh Shilimkar int e = 0; 885b07682b6SSantosh Shilimkar struct clk *osc; 886b07682b6SSantosh Shilimkar u32 rate; 887b07682b6SSantosh Shilimkar u8 ctrl = HFCLK_FREQ_26_MHZ; 888b07682b6SSantosh Shilimkar 889b07682b6SSantosh Shilimkar #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 890b07682b6SSantosh Shilimkar if (cpu_is_omap2430()) 891b07682b6SSantosh Shilimkar osc = clk_get(dev, "osc_ck"); 892b07682b6SSantosh Shilimkar else 893b07682b6SSantosh Shilimkar osc = clk_get(dev, "osc_sys_ck"); 894b07682b6SSantosh Shilimkar 895b07682b6SSantosh Shilimkar if (IS_ERR(osc)) { 896fc7b92fcSBalaji T K printk(KERN_WARNING "Skipping twl internal clock init and " 897b07682b6SSantosh Shilimkar "using bootloader value (unknown osc rate)\n"); 898b07682b6SSantosh Shilimkar return; 899b07682b6SSantosh Shilimkar } 900b07682b6SSantosh Shilimkar 901b07682b6SSantosh Shilimkar rate = clk_get_rate(osc); 902b07682b6SSantosh Shilimkar clk_put(osc); 903b07682b6SSantosh Shilimkar 904b07682b6SSantosh Shilimkar #else 905b07682b6SSantosh Shilimkar /* REVISIT for non-OMAP systems, pass the clock rate from 906b07682b6SSantosh Shilimkar * board init code, using platform_data. 907b07682b6SSantosh Shilimkar */ 908b07682b6SSantosh Shilimkar osc = ERR_PTR(-EIO); 909b07682b6SSantosh Shilimkar 910fc7b92fcSBalaji T K printk(KERN_WARNING "Skipping twl internal clock init and " 911b07682b6SSantosh Shilimkar "using bootloader value (unknown osc rate)\n"); 912b07682b6SSantosh Shilimkar 913b07682b6SSantosh Shilimkar return; 914b07682b6SSantosh Shilimkar #endif 915b07682b6SSantosh Shilimkar 916b07682b6SSantosh Shilimkar switch (rate) { 917b07682b6SSantosh Shilimkar case 19200000: 918b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_19p2_MHZ; 919b07682b6SSantosh Shilimkar break; 920b07682b6SSantosh Shilimkar case 26000000: 921b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_26_MHZ; 922b07682b6SSantosh Shilimkar break; 923b07682b6SSantosh Shilimkar case 38400000: 924b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_38p4_MHZ; 925b07682b6SSantosh Shilimkar break; 926b07682b6SSantosh Shilimkar } 927b07682b6SSantosh Shilimkar 928b07682b6SSantosh Shilimkar ctrl |= HIGH_PERF_SQ; 929b07682b6SSantosh Shilimkar if (clock && clock->ck32k_lowpwr_enable) 930b07682b6SSantosh Shilimkar ctrl |= CK32K_LOWPWR_EN; 931b07682b6SSantosh Shilimkar 932b07682b6SSantosh Shilimkar e |= unprotect_pm_master(); 933b07682b6SSantosh Shilimkar /* effect->MADC+USB ck en */ 934fc7b92fcSBalaji T K e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); 935b07682b6SSantosh Shilimkar e |= protect_pm_master(); 936b07682b6SSantosh Shilimkar 937b07682b6SSantosh Shilimkar if (e < 0) 938b07682b6SSantosh Shilimkar pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e); 939b07682b6SSantosh Shilimkar } 940b07682b6SSantosh Shilimkar 941b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 942b07682b6SSantosh Shilimkar 943e8deb28cSBalaji T K int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end); 944e8deb28cSBalaji T K int twl4030_exit_irq(void); 945e8deb28cSBalaji T K int twl4030_init_chip_irq(const char *chip); 946e8deb28cSBalaji T K int twl6030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end); 947e8deb28cSBalaji T K int twl6030_exit_irq(void); 948b07682b6SSantosh Shilimkar 949fc7b92fcSBalaji T K static int twl_remove(struct i2c_client *client) 950b07682b6SSantosh Shilimkar { 951b07682b6SSantosh Shilimkar unsigned i; 952b07682b6SSantosh Shilimkar int status; 953b07682b6SSantosh Shilimkar 954e8deb28cSBalaji T K if (twl_class_is_4030()) 955e8deb28cSBalaji T K status = twl4030_exit_irq(); 956e8deb28cSBalaji T K else 957e8deb28cSBalaji T K status = twl6030_exit_irq(); 958e8deb28cSBalaji T K 959b07682b6SSantosh Shilimkar if (status < 0) 960b07682b6SSantosh Shilimkar return status; 961b07682b6SSantosh Shilimkar 962fc7b92fcSBalaji T K for (i = 0; i < TWL_NUM_SLAVES; i++) { 963fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[i]; 964b07682b6SSantosh Shilimkar 965b07682b6SSantosh Shilimkar if (twl->client && twl->client != client) 966b07682b6SSantosh Shilimkar i2c_unregister_device(twl->client); 967fc7b92fcSBalaji T K twl_modules[i].client = NULL; 968b07682b6SSantosh Shilimkar } 969b07682b6SSantosh Shilimkar inuse = false; 970b07682b6SSantosh Shilimkar return 0; 971b07682b6SSantosh Shilimkar } 972b07682b6SSantosh Shilimkar 973b07682b6SSantosh Shilimkar /* NOTE: this driver only handles a single twl4030/tps659x0 chip */ 974b07682b6SSantosh Shilimkar static int __init 975fc7b92fcSBalaji T K twl_probe(struct i2c_client *client, const struct i2c_device_id *id) 976b07682b6SSantosh Shilimkar { 977b07682b6SSantosh Shilimkar int status; 978b07682b6SSantosh Shilimkar unsigned i; 979b07682b6SSantosh Shilimkar struct twl4030_platform_data *pdata = client->dev.platform_data; 980b07682b6SSantosh Shilimkar 981b07682b6SSantosh Shilimkar if (!pdata) { 982b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "no platform data?\n"); 983b07682b6SSantosh Shilimkar return -EINVAL; 984b07682b6SSantosh Shilimkar } 985b07682b6SSantosh Shilimkar 986b07682b6SSantosh Shilimkar if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { 987b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "can't talk I2C?\n"); 988b07682b6SSantosh Shilimkar return -EIO; 989b07682b6SSantosh Shilimkar } 990b07682b6SSantosh Shilimkar 991b07682b6SSantosh Shilimkar if (inuse) { 992b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "driver is already in use\n"); 993b07682b6SSantosh Shilimkar return -EBUSY; 994b07682b6SSantosh Shilimkar } 995b07682b6SSantosh Shilimkar 996fc7b92fcSBalaji T K for (i = 0; i < TWL_NUM_SLAVES; i++) { 997fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[i]; 998b07682b6SSantosh Shilimkar 999b07682b6SSantosh Shilimkar twl->address = client->addr + i; 1000b07682b6SSantosh Shilimkar if (i == 0) 1001b07682b6SSantosh Shilimkar twl->client = client; 1002b07682b6SSantosh Shilimkar else { 1003b07682b6SSantosh Shilimkar twl->client = i2c_new_dummy(client->adapter, 1004b07682b6SSantosh Shilimkar twl->address); 1005b07682b6SSantosh Shilimkar if (!twl->client) { 1006b07682b6SSantosh Shilimkar dev_err(&client->dev, 1007b07682b6SSantosh Shilimkar "can't attach client %d\n", i); 1008b07682b6SSantosh Shilimkar status = -ENOMEM; 1009b07682b6SSantosh Shilimkar goto fail; 1010b07682b6SSantosh Shilimkar } 1011b07682b6SSantosh Shilimkar } 1012b07682b6SSantosh Shilimkar mutex_init(&twl->xfer_lock); 1013b07682b6SSantosh Shilimkar } 1014b07682b6SSantosh Shilimkar inuse = true; 1015e8deb28cSBalaji T K if ((id->driver_data) & TWL6030_CLASS) { 1016e8deb28cSBalaji T K twl_id = TWL6030_CLASS_ID; 1017e8deb28cSBalaji T K twl_map = &twl6030_map[0]; 1018e8deb28cSBalaji T K } else { 1019e8deb28cSBalaji T K twl_id = TWL4030_CLASS_ID; 1020e8deb28cSBalaji T K twl_map = &twl4030_map[0]; 1021e8deb28cSBalaji T K } 1022b07682b6SSantosh Shilimkar 1023b07682b6SSantosh Shilimkar /* setup clock framework */ 1024b07682b6SSantosh Shilimkar clocks_init(&client->dev, pdata->clock); 1025b07682b6SSantosh Shilimkar 1026b07682b6SSantosh Shilimkar /* load power event scripts */ 1027b07682b6SSantosh Shilimkar if (twl_has_power() && pdata->power) 1028b07682b6SSantosh Shilimkar twl4030_power_init(pdata->power); 1029b07682b6SSantosh Shilimkar 1030b07682b6SSantosh Shilimkar /* Maybe init the T2 Interrupt subsystem */ 1031b07682b6SSantosh Shilimkar if (client->irq 1032b07682b6SSantosh Shilimkar && pdata->irq_base 1033b07682b6SSantosh Shilimkar && pdata->irq_end > pdata->irq_base) { 1034e8deb28cSBalaji T K if (twl_class_is_4030()) { 1035e8deb28cSBalaji T K twl4030_init_chip_irq(id->name); 1036e8deb28cSBalaji T K status = twl4030_init_irq(client->irq, pdata->irq_base, 1037e8deb28cSBalaji T K pdata->irq_end); 1038e8deb28cSBalaji T K } else { 1039e8deb28cSBalaji T K status = twl6030_init_irq(client->irq, pdata->irq_base, 1040e8deb28cSBalaji T K pdata->irq_end); 1041e8deb28cSBalaji T K } 1042e8deb28cSBalaji T K 1043b07682b6SSantosh Shilimkar if (status < 0) 1044b07682b6SSantosh Shilimkar goto fail; 1045b07682b6SSantosh Shilimkar } 1046b07682b6SSantosh Shilimkar 1047b07682b6SSantosh Shilimkar status = add_children(pdata, id->driver_data); 1048b07682b6SSantosh Shilimkar fail: 1049b07682b6SSantosh Shilimkar if (status < 0) 1050fc7b92fcSBalaji T K twl_remove(client); 1051b07682b6SSantosh Shilimkar return status; 1052b07682b6SSantosh Shilimkar } 1053b07682b6SSantosh Shilimkar 1054fc7b92fcSBalaji T K static const struct i2c_device_id twl_ids[] = { 1055b07682b6SSantosh Shilimkar { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ 1056b07682b6SSantosh Shilimkar { "twl5030", 0 }, /* T2 updated */ 1057b07682b6SSantosh Shilimkar { "twl5031", TWL5031 }, /* TWL5030 updated */ 1058b07682b6SSantosh Shilimkar { "tps65950", 0 }, /* catalog version of twl5030 */ 1059b07682b6SSantosh Shilimkar { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ 1060b07682b6SSantosh Shilimkar { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ 1061e8deb28cSBalaji T K { "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */ 1062b07682b6SSantosh Shilimkar { /* end of list */ }, 1063b07682b6SSantosh Shilimkar }; 1064fc7b92fcSBalaji T K MODULE_DEVICE_TABLE(i2c, twl_ids); 1065b07682b6SSantosh Shilimkar 1066b07682b6SSantosh Shilimkar /* One Client Driver , 4 Clients */ 1067fc7b92fcSBalaji T K static struct i2c_driver twl_driver = { 1068b07682b6SSantosh Shilimkar .driver.name = DRIVER_NAME, 1069fc7b92fcSBalaji T K .id_table = twl_ids, 1070fc7b92fcSBalaji T K .probe = twl_probe, 1071fc7b92fcSBalaji T K .remove = twl_remove, 1072b07682b6SSantosh Shilimkar }; 1073b07682b6SSantosh Shilimkar 1074fc7b92fcSBalaji T K static int __init twl_init(void) 1075b07682b6SSantosh Shilimkar { 1076fc7b92fcSBalaji T K return i2c_add_driver(&twl_driver); 1077b07682b6SSantosh Shilimkar } 1078fc7b92fcSBalaji T K subsys_initcall(twl_init); 1079b07682b6SSantosh Shilimkar 1080fc7b92fcSBalaji T K static void __exit twl_exit(void) 1081b07682b6SSantosh Shilimkar { 1082fc7b92fcSBalaji T K i2c_del_driver(&twl_driver); 1083b07682b6SSantosh Shilimkar } 1084fc7b92fcSBalaji T K module_exit(twl_exit); 1085b07682b6SSantosh Shilimkar 1086b07682b6SSantosh Shilimkar MODULE_AUTHOR("Texas Instruments, Inc."); 1087fc7b92fcSBalaji T K MODULE_DESCRIPTION("I2C Core interface for TWL"); 1088b07682b6SSantosh Shilimkar MODULE_LICENSE("GPL"); 1089