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> 334e36dd33SPaul Gortmaker #include <linux/module.h> 34b07682b6SSantosh Shilimkar #include <linux/platform_device.h> 35b07682b6SSantosh Shilimkar #include <linux/clk.h> 36b07682b6SSantosh Shilimkar #include <linux/err.h> 37b07682b6SSantosh Shilimkar 38b07682b6SSantosh Shilimkar #include <linux/regulator/machine.h> 39b07682b6SSantosh Shilimkar 40b07682b6SSantosh Shilimkar #include <linux/i2c.h> 41b07682b6SSantosh Shilimkar #include <linux/i2c/twl.h> 42b07682b6SSantosh Shilimkar 43b07682b6SSantosh Shilimkar #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 44b07682b6SSantosh Shilimkar #include <plat/cpu.h> 45b07682b6SSantosh Shilimkar #endif 46b07682b6SSantosh Shilimkar 47b07682b6SSantosh Shilimkar /* 48b07682b6SSantosh Shilimkar * The TWL4030 "Triton 2" is one of a family of a multi-function "Power 49b07682b6SSantosh Shilimkar * Management and System Companion Device" chips originally designed for 50b07682b6SSantosh Shilimkar * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C, 51b07682b6SSantosh Shilimkar * often at around 3 Mbit/sec, including for interrupt handling. 52b07682b6SSantosh Shilimkar * 53b07682b6SSantosh Shilimkar * This driver core provides genirq support for the interrupts emitted, 54b07682b6SSantosh Shilimkar * by the various modules, and exports register access primitives. 55b07682b6SSantosh Shilimkar * 56b07682b6SSantosh Shilimkar * FIXME this driver currently requires use of the first interrupt line 57b07682b6SSantosh Shilimkar * (and associated registers). 58b07682b6SSantosh Shilimkar */ 59b07682b6SSantosh Shilimkar 60fc7b92fcSBalaji T K #define DRIVER_NAME "twl" 61b07682b6SSantosh Shilimkar 62b07682b6SSantosh Shilimkar #if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE) 63b07682b6SSantosh Shilimkar #define twl_has_keypad() true 64b07682b6SSantosh Shilimkar #else 65b07682b6SSantosh Shilimkar #define twl_has_keypad() false 66b07682b6SSantosh Shilimkar #endif 67b07682b6SSantosh Shilimkar 68b07682b6SSantosh Shilimkar #if defined(CONFIG_GPIO_TWL4030) || defined(CONFIG_GPIO_TWL4030_MODULE) 69b07682b6SSantosh Shilimkar #define twl_has_gpio() true 70b07682b6SSantosh Shilimkar #else 71b07682b6SSantosh Shilimkar #define twl_has_gpio() false 72b07682b6SSantosh Shilimkar #endif 73b07682b6SSantosh Shilimkar 74b07682b6SSantosh Shilimkar #if defined(CONFIG_REGULATOR_TWL4030) \ 75b07682b6SSantosh Shilimkar || defined(CONFIG_REGULATOR_TWL4030_MODULE) 76b07682b6SSantosh Shilimkar #define twl_has_regulator() true 77b07682b6SSantosh Shilimkar #else 78b07682b6SSantosh Shilimkar #define twl_has_regulator() false 79b07682b6SSantosh Shilimkar #endif 80b07682b6SSantosh Shilimkar 81b07682b6SSantosh Shilimkar #if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE) 82b07682b6SSantosh Shilimkar #define twl_has_madc() true 83b07682b6SSantosh Shilimkar #else 84b07682b6SSantosh Shilimkar #define twl_has_madc() false 85b07682b6SSantosh Shilimkar #endif 86b07682b6SSantosh Shilimkar 87b07682b6SSantosh Shilimkar #ifdef CONFIG_TWL4030_POWER 88b07682b6SSantosh Shilimkar #define twl_has_power() true 89b07682b6SSantosh Shilimkar #else 90b07682b6SSantosh Shilimkar #define twl_has_power() false 91b07682b6SSantosh Shilimkar #endif 92b07682b6SSantosh Shilimkar 93b07682b6SSantosh Shilimkar #if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE) 94b07682b6SSantosh Shilimkar #define twl_has_rtc() true 95b07682b6SSantosh Shilimkar #else 96b07682b6SSantosh Shilimkar #define twl_has_rtc() false 97b07682b6SSantosh Shilimkar #endif 98b07682b6SSantosh Shilimkar 99e70357e3SHema HK #if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE) ||\ 100e70357e3SHema HK defined(CONFIG_TWL6030_USB) || defined(CONFIG_TWL6030_USB_MODULE) 101b07682b6SSantosh Shilimkar #define twl_has_usb() true 102b07682b6SSantosh Shilimkar #else 103b07682b6SSantosh Shilimkar #define twl_has_usb() false 104b07682b6SSantosh Shilimkar #endif 105b07682b6SSantosh Shilimkar 106b07682b6SSantosh Shilimkar #if defined(CONFIG_TWL4030_WATCHDOG) || \ 107b07682b6SSantosh Shilimkar defined(CONFIG_TWL4030_WATCHDOG_MODULE) 108b07682b6SSantosh Shilimkar #define twl_has_watchdog() true 109b07682b6SSantosh Shilimkar #else 110b07682b6SSantosh Shilimkar #define twl_has_watchdog() false 111b07682b6SSantosh Shilimkar #endif 112b07682b6SSantosh Shilimkar 113f09ee045SThomas Weber #if defined(CONFIG_MFD_TWL4030_AUDIO) || defined(CONFIG_MFD_TWL4030_AUDIO_MODULE) ||\ 114f19b2823SMisael Lopez Cruz defined(CONFIG_TWL6040_CORE) || defined(CONFIG_TWL6040_CORE_MODULE) 115b07682b6SSantosh Shilimkar #define twl_has_codec() true 116b07682b6SSantosh Shilimkar #else 117b07682b6SSantosh Shilimkar #define twl_has_codec() false 118b07682b6SSantosh Shilimkar #endif 119b07682b6SSantosh Shilimkar 12011c39c4bSGrazvydas Ignotas #if defined(CONFIG_CHARGER_TWL4030) || defined(CONFIG_CHARGER_TWL4030_MODULE) 12111c39c4bSGrazvydas Ignotas #define twl_has_bci() true 12211c39c4bSGrazvydas Ignotas #else 12311c39c4bSGrazvydas Ignotas #define twl_has_bci() false 12411c39c4bSGrazvydas Ignotas #endif 12511c39c4bSGrazvydas Ignotas 126b07682b6SSantosh Shilimkar /* Triton Core internal information (BEGIN) */ 127b07682b6SSantosh Shilimkar 128b07682b6SSantosh Shilimkar /* Last - for index max*/ 129b07682b6SSantosh Shilimkar #define TWL4030_MODULE_LAST TWL4030_MODULE_SECURED_REG 130b07682b6SSantosh Shilimkar 131fc7b92fcSBalaji T K #define TWL_NUM_SLAVES 4 132b07682b6SSantosh Shilimkar 133b07682b6SSantosh Shilimkar #if defined(CONFIG_INPUT_TWL4030_PWRBUTTON) \ 13414e5c82cSEduardo Valentin || defined(CONFIG_INPUT_TWL4030_PWRBUTTON_MODULE) 135b07682b6SSantosh Shilimkar #define twl_has_pwrbutton() true 136b07682b6SSantosh Shilimkar #else 137b07682b6SSantosh Shilimkar #define twl_has_pwrbutton() false 138b07682b6SSantosh Shilimkar #endif 139b07682b6SSantosh Shilimkar 140fc7b92fcSBalaji T K #define SUB_CHIP_ID0 0 141fc7b92fcSBalaji T K #define SUB_CHIP_ID1 1 142fc7b92fcSBalaji T K #define SUB_CHIP_ID2 2 143fc7b92fcSBalaji T K #define SUB_CHIP_ID3 3 144fc7b92fcSBalaji T K 145fc7b92fcSBalaji T K #define TWL_MODULE_LAST TWL4030_MODULE_LAST 146fc7b92fcSBalaji T K 147b07682b6SSantosh Shilimkar /* Base Address defns for twl4030_map[] */ 148b07682b6SSantosh Shilimkar 149b07682b6SSantosh Shilimkar /* subchip/slave 0 - USB ID */ 150b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_USB 0x0000 151b07682b6SSantosh Shilimkar 152b07682b6SSantosh Shilimkar /* subchip/slave 1 - AUD ID */ 153b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_AUDIO_VOICE 0x0000 154b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_GPIO 0x0098 155b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INTBR 0x0085 156b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PIH 0x0080 157b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_TEST 0x004C 158b07682b6SSantosh Shilimkar 159b07682b6SSantosh Shilimkar /* subchip/slave 2 - AUX ID */ 160b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INTERRUPTS 0x00B9 161b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_LED 0x00EE 162b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_MADC 0x0000 163b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_MAIN_CHARGE 0x0074 164b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PRECHARGE 0x00AA 165b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWM0 0x00F8 166b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWM1 0x00FB 167b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWMA 0x00EF 168b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWMB 0x00F1 169b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_KEYPAD 0x00D2 170b07682b6SSantosh Shilimkar 171b07682b6SSantosh Shilimkar #define TWL5031_BASEADD_ACCESSORY 0x0074 /* Replaces Main Charge */ 172b07682b6SSantosh Shilimkar #define TWL5031_BASEADD_INTERRUPTS 0x00B9 /* Different than TWL4030's 173b07682b6SSantosh Shilimkar one */ 174b07682b6SSantosh Shilimkar 175b07682b6SSantosh Shilimkar /* subchip/slave 3 - POWER ID */ 176b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_BACKUP 0x0014 177b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INT 0x002E 178b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PM_MASTER 0x0036 179b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PM_RECEIVER 0x005B 180b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_RTC 0x001C 181b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_SECURED_REG 0x0000 182b07682b6SSantosh Shilimkar 183b07682b6SSantosh Shilimkar /* Triton Core internal information (END) */ 184b07682b6SSantosh Shilimkar 185b07682b6SSantosh Shilimkar 186e8deb28cSBalaji T K /* subchip/slave 0 0x48 - POWER */ 187e8deb28cSBalaji T K #define TWL6030_BASEADD_RTC 0x0000 188e8deb28cSBalaji T K #define TWL6030_BASEADD_MEM 0x0017 189e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_MASTER 0x001F 190e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_SLAVE_MISC 0x0030 /* PM_RECEIVER */ 191e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_MISC 0x00E2 192e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_PUPD 0x00F0 193e8deb28cSBalaji T K 194e8deb28cSBalaji T K /* subchip/slave 1 0x49 - FEATURE */ 195e8deb28cSBalaji T K #define TWL6030_BASEADD_USB 0x0000 196e8deb28cSBalaji T K #define TWL6030_BASEADD_GPADC_CTRL 0x002E 197e8deb28cSBalaji T K #define TWL6030_BASEADD_AUX 0x0090 198e8deb28cSBalaji T K #define TWL6030_BASEADD_PWM 0x00BA 199e8deb28cSBalaji T K #define TWL6030_BASEADD_GASGAUGE 0x00C0 200e8deb28cSBalaji T K #define TWL6030_BASEADD_PIH 0x00D0 201e8deb28cSBalaji T K #define TWL6030_BASEADD_CHARGER 0x00E0 202521d8ec3SGraeme Gregory #define TWL6025_BASEADD_CHARGER 0x00DA 203e8deb28cSBalaji T K 204e8deb28cSBalaji T K /* subchip/slave 2 0x4A - DFT */ 205e8deb28cSBalaji T K #define TWL6030_BASEADD_DIEID 0x00C0 206e8deb28cSBalaji T K 207e8deb28cSBalaji T K /* subchip/slave 3 0x4B - AUDIO */ 208e8deb28cSBalaji T K #define TWL6030_BASEADD_AUDIO 0x0000 209e8deb28cSBalaji T K #define TWL6030_BASEADD_RSV 0x0000 210fa0d9762SBalaji T K #define TWL6030_BASEADD_ZERO 0x0000 211e8deb28cSBalaji T K 212b07682b6SSantosh Shilimkar /* Few power values */ 213b07682b6SSantosh Shilimkar #define R_CFG_BOOT 0x05 214b07682b6SSantosh Shilimkar 215b07682b6SSantosh Shilimkar /* some fields in R_CFG_BOOT */ 216b07682b6SSantosh Shilimkar #define HFCLK_FREQ_19p2_MHZ (1 << 0) 217b07682b6SSantosh Shilimkar #define HFCLK_FREQ_26_MHZ (2 << 0) 218b07682b6SSantosh Shilimkar #define HFCLK_FREQ_38p4_MHZ (3 << 0) 219b07682b6SSantosh Shilimkar #define HIGH_PERF_SQ (1 << 3) 220b07682b6SSantosh Shilimkar #define CK32K_LOWPWR_EN (1 << 7) 221b07682b6SSantosh Shilimkar 222b07682b6SSantosh Shilimkar 223b07682b6SSantosh Shilimkar /* chip-specific feature flags, for i2c_device_id.driver_data */ 224b07682b6SSantosh Shilimkar #define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */ 225b07682b6SSantosh Shilimkar #define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */ 226b07682b6SSantosh Shilimkar #define TWL5031 BIT(2) /* twl5031 has different registers */ 227e8deb28cSBalaji T K #define TWL6030_CLASS BIT(3) /* TWL6030 class */ 228b07682b6SSantosh Shilimkar 229b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 230b07682b6SSantosh Shilimkar 231b07682b6SSantosh Shilimkar /* is driver active, bound to a chip? */ 232b07682b6SSantosh Shilimkar static bool inuse; 233b07682b6SSantosh Shilimkar 234ca972d13SLesly A M /* TWL IDCODE Register value */ 235ca972d13SLesly A M static u32 twl_idcode; 236ca972d13SLesly A M 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 }; 2642cfcce18SG, Manjunath Kondaiah static 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 }, 323fa0d9762SBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_ZERO }, 324fa0d9762SBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_ZERO }, 325e8deb28cSBalaji T K 326fa0d9762SBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_ZERO }, 327fa0d9762SBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_ZERO }, 328e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 329e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 330e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 331e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_PM_MASTER }, 332e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_PM_SLAVE_MISC }, 333e8deb28cSBalaji T K 334e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_RTC }, 335e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_MEM }, 336521d8ec3SGraeme Gregory { SUB_CHIP_ID1, TWL6025_BASEADD_CHARGER }, 337e8deb28cSBalaji T K }; 338e8deb28cSBalaji T K 339b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 340b07682b6SSantosh Shilimkar 341b07682b6SSantosh Shilimkar /* Exported Functions */ 342b07682b6SSantosh Shilimkar 343b07682b6SSantosh Shilimkar /** 344fc7b92fcSBalaji T K * twl_i2c_write - Writes a n bit register in TWL4030/TWL5030/TWL60X0 345b07682b6SSantosh Shilimkar * @mod_no: module number 346b07682b6SSantosh Shilimkar * @value: an array of num_bytes+1 containing data to write 347b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 348b07682b6SSantosh Shilimkar * @num_bytes: number of bytes to transfer 349b07682b6SSantosh Shilimkar * 350b07682b6SSantosh Shilimkar * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and 351b07682b6SSantosh Shilimkar * valid data starts at Offset 1. 352b07682b6SSantosh Shilimkar * 353b07682b6SSantosh Shilimkar * Returns the result of operation - 0 is success 354b07682b6SSantosh Shilimkar */ 355fc7b92fcSBalaji T K int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 356b07682b6SSantosh Shilimkar { 357b07682b6SSantosh Shilimkar int ret; 358b07682b6SSantosh Shilimkar int sid; 359fc7b92fcSBalaji T K struct twl_client *twl; 360b07682b6SSantosh Shilimkar struct i2c_msg *msg; 361b07682b6SSantosh Shilimkar 362fc7b92fcSBalaji T K if (unlikely(mod_no > TWL_MODULE_LAST)) { 363b07682b6SSantosh Shilimkar pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 364b07682b6SSantosh Shilimkar return -EPERM; 365b07682b6SSantosh Shilimkar } 3668653be1aSIlya Yanok if (unlikely(!inuse)) { 3678653be1aSIlya Yanok pr_err("%s: not initialized\n", DRIVER_NAME); 3688653be1aSIlya Yanok return -EPERM; 3698653be1aSIlya Yanok } 370e8deb28cSBalaji T K sid = twl_map[mod_no].sid; 371fc7b92fcSBalaji T K twl = &twl_modules[sid]; 372b07682b6SSantosh Shilimkar 373b07682b6SSantosh Shilimkar mutex_lock(&twl->xfer_lock); 374b07682b6SSantosh Shilimkar /* 375b07682b6SSantosh Shilimkar * [MSG1]: fill the register address data 376b07682b6SSantosh Shilimkar * fill the data Tx buffer 377b07682b6SSantosh Shilimkar */ 378b07682b6SSantosh Shilimkar msg = &twl->xfer_msg[0]; 379b07682b6SSantosh Shilimkar msg->addr = twl->address; 380b07682b6SSantosh Shilimkar msg->len = num_bytes + 1; 381b07682b6SSantosh Shilimkar msg->flags = 0; 382b07682b6SSantosh Shilimkar msg->buf = value; 383b07682b6SSantosh Shilimkar /* over write the first byte of buffer with the register address */ 384e8deb28cSBalaji T K *value = twl_map[mod_no].base + reg; 385b07682b6SSantosh Shilimkar ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 1); 386b07682b6SSantosh Shilimkar mutex_unlock(&twl->xfer_lock); 387b07682b6SSantosh Shilimkar 388b07682b6SSantosh Shilimkar /* i2c_transfer returns number of messages transferred */ 389b07682b6SSantosh Shilimkar if (ret != 1) { 390b07682b6SSantosh Shilimkar pr_err("%s: i2c_write failed to transfer all messages\n", 391b07682b6SSantosh Shilimkar DRIVER_NAME); 392b07682b6SSantosh Shilimkar if (ret < 0) 393b07682b6SSantosh Shilimkar return ret; 394b07682b6SSantosh Shilimkar else 395b07682b6SSantosh Shilimkar return -EIO; 396b07682b6SSantosh Shilimkar } else { 397b07682b6SSantosh Shilimkar return 0; 398b07682b6SSantosh Shilimkar } 399b07682b6SSantosh Shilimkar } 400fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_write); 401b07682b6SSantosh Shilimkar 402b07682b6SSantosh Shilimkar /** 403fc7b92fcSBalaji T K * twl_i2c_read - Reads a n bit register in TWL4030/TWL5030/TWL60X0 404b07682b6SSantosh Shilimkar * @mod_no: module number 405b07682b6SSantosh Shilimkar * @value: an array of num_bytes containing data to be read 406b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 407b07682b6SSantosh Shilimkar * @num_bytes: number of bytes to transfer 408b07682b6SSantosh Shilimkar * 409b07682b6SSantosh Shilimkar * Returns result of operation - num_bytes is success else failure. 410b07682b6SSantosh Shilimkar */ 411fc7b92fcSBalaji T K int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 412b07682b6SSantosh Shilimkar { 413b07682b6SSantosh Shilimkar int ret; 414b07682b6SSantosh Shilimkar u8 val; 415b07682b6SSantosh Shilimkar int sid; 416fc7b92fcSBalaji T K struct twl_client *twl; 417b07682b6SSantosh Shilimkar struct i2c_msg *msg; 418b07682b6SSantosh Shilimkar 419fc7b92fcSBalaji T K if (unlikely(mod_no > TWL_MODULE_LAST)) { 420b07682b6SSantosh Shilimkar pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 421b07682b6SSantosh Shilimkar return -EPERM; 422b07682b6SSantosh Shilimkar } 4238653be1aSIlya Yanok if (unlikely(!inuse)) { 4248653be1aSIlya Yanok pr_err("%s: not initialized\n", DRIVER_NAME); 4258653be1aSIlya Yanok return -EPERM; 4268653be1aSIlya Yanok } 427e8deb28cSBalaji T K sid = twl_map[mod_no].sid; 428fc7b92fcSBalaji T K twl = &twl_modules[sid]; 429b07682b6SSantosh Shilimkar 430b07682b6SSantosh Shilimkar mutex_lock(&twl->xfer_lock); 431b07682b6SSantosh Shilimkar /* [MSG1] fill the register address data */ 432b07682b6SSantosh Shilimkar msg = &twl->xfer_msg[0]; 433b07682b6SSantosh Shilimkar msg->addr = twl->address; 434b07682b6SSantosh Shilimkar msg->len = 1; 435b07682b6SSantosh Shilimkar msg->flags = 0; /* Read the register value */ 436e8deb28cSBalaji T K val = twl_map[mod_no].base + reg; 437b07682b6SSantosh Shilimkar msg->buf = &val; 438b07682b6SSantosh Shilimkar /* [MSG2] fill the data rx buffer */ 439b07682b6SSantosh Shilimkar msg = &twl->xfer_msg[1]; 440b07682b6SSantosh Shilimkar msg->addr = twl->address; 441b07682b6SSantosh Shilimkar msg->flags = I2C_M_RD; /* Read the register value */ 442b07682b6SSantosh Shilimkar msg->len = num_bytes; /* only n bytes */ 443b07682b6SSantosh Shilimkar msg->buf = value; 444b07682b6SSantosh Shilimkar ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 2); 445b07682b6SSantosh Shilimkar mutex_unlock(&twl->xfer_lock); 446b07682b6SSantosh Shilimkar 447b07682b6SSantosh Shilimkar /* i2c_transfer returns number of messages transferred */ 448b07682b6SSantosh Shilimkar if (ret != 2) { 449b07682b6SSantosh Shilimkar pr_err("%s: i2c_read failed to transfer all messages\n", 450b07682b6SSantosh Shilimkar DRIVER_NAME); 451b07682b6SSantosh Shilimkar if (ret < 0) 452b07682b6SSantosh Shilimkar return ret; 453b07682b6SSantosh Shilimkar else 454b07682b6SSantosh Shilimkar return -EIO; 455b07682b6SSantosh Shilimkar } else { 456b07682b6SSantosh Shilimkar return 0; 457b07682b6SSantosh Shilimkar } 458b07682b6SSantosh Shilimkar } 459fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_read); 460b07682b6SSantosh Shilimkar 461b07682b6SSantosh Shilimkar /** 462fc7b92fcSBalaji T K * twl_i2c_write_u8 - Writes a 8 bit register in TWL4030/TWL5030/TWL60X0 463b07682b6SSantosh Shilimkar * @mod_no: module number 464b07682b6SSantosh Shilimkar * @value: the value to be written 8 bit 465b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 466b07682b6SSantosh Shilimkar * 467b07682b6SSantosh Shilimkar * Returns result of operation - 0 is success 468b07682b6SSantosh Shilimkar */ 469fc7b92fcSBalaji T K int twl_i2c_write_u8(u8 mod_no, u8 value, u8 reg) 470b07682b6SSantosh Shilimkar { 471b07682b6SSantosh Shilimkar 472b07682b6SSantosh Shilimkar /* 2 bytes offset 1 contains the data offset 0 is used by i2c_write */ 473b07682b6SSantosh Shilimkar u8 temp_buffer[2] = { 0 }; 474b07682b6SSantosh Shilimkar /* offset 1 contains the data */ 475b07682b6SSantosh Shilimkar temp_buffer[1] = value; 476fc7b92fcSBalaji T K return twl_i2c_write(mod_no, temp_buffer, reg, 1); 477b07682b6SSantosh Shilimkar } 478fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_write_u8); 479b07682b6SSantosh Shilimkar 480b07682b6SSantosh Shilimkar /** 481fc7b92fcSBalaji T K * twl_i2c_read_u8 - Reads a 8 bit register from TWL4030/TWL5030/TWL60X0 482b07682b6SSantosh Shilimkar * @mod_no: module number 483b07682b6SSantosh Shilimkar * @value: the value read 8 bit 484b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 485b07682b6SSantosh Shilimkar * 486b07682b6SSantosh Shilimkar * Returns result of operation - 0 is success 487b07682b6SSantosh Shilimkar */ 488fc7b92fcSBalaji T K int twl_i2c_read_u8(u8 mod_no, u8 *value, u8 reg) 489b07682b6SSantosh Shilimkar { 490fc7b92fcSBalaji T K return twl_i2c_read(mod_no, value, reg, 1); 491b07682b6SSantosh Shilimkar } 492fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_read_u8); 493b07682b6SSantosh Shilimkar 494b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 495b07682b6SSantosh Shilimkar 496ca972d13SLesly A M /** 497ca972d13SLesly A M * twl_read_idcode_register - API to read the IDCODE register. 498ca972d13SLesly A M * 499ca972d13SLesly A M * Unlocks the IDCODE register and read the 32 bit value. 500ca972d13SLesly A M */ 501ca972d13SLesly A M static int twl_read_idcode_register(void) 502ca972d13SLesly A M { 503ca972d13SLesly A M int err; 504ca972d13SLesly A M 505ca972d13SLesly A M err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, TWL_EEPROM_R_UNLOCK, 506ca972d13SLesly A M REG_UNLOCK_TEST_REG); 507ca972d13SLesly A M if (err) { 508ca972d13SLesly A M pr_err("TWL4030 Unable to unlock IDCODE registers -%d\n", err); 509ca972d13SLesly A M goto fail; 510ca972d13SLesly A M } 511ca972d13SLesly A M 512ca972d13SLesly A M err = twl_i2c_read(TWL4030_MODULE_INTBR, (u8 *)(&twl_idcode), 513ca972d13SLesly A M REG_IDCODE_7_0, 4); 514ca972d13SLesly A M if (err) { 515ca972d13SLesly A M pr_err("TWL4030: unable to read IDCODE -%d\n", err); 516ca972d13SLesly A M goto fail; 517ca972d13SLesly A M } 518ca972d13SLesly A M 519ca972d13SLesly A M err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, 0x0, REG_UNLOCK_TEST_REG); 520ca972d13SLesly A M if (err) 521ca972d13SLesly A M pr_err("TWL4030 Unable to relock IDCODE registers -%d\n", err); 522ca972d13SLesly A M fail: 523ca972d13SLesly A M return err; 524ca972d13SLesly A M } 525ca972d13SLesly A M 526ca972d13SLesly A M /** 527ca972d13SLesly A M * twl_get_type - API to get TWL Si type. 528ca972d13SLesly A M * 529ca972d13SLesly A M * Api to get the TWL Si type from IDCODE value. 530ca972d13SLesly A M */ 531ca972d13SLesly A M int twl_get_type(void) 532ca972d13SLesly A M { 533ca972d13SLesly A M return TWL_SIL_TYPE(twl_idcode); 534ca972d13SLesly A M } 535ca972d13SLesly A M EXPORT_SYMBOL_GPL(twl_get_type); 536ca972d13SLesly A M 537ca972d13SLesly A M /** 538ca972d13SLesly A M * twl_get_version - API to get TWL Si version. 539ca972d13SLesly A M * 540ca972d13SLesly A M * Api to get the TWL Si version from IDCODE value. 541ca972d13SLesly A M */ 542ca972d13SLesly A M int twl_get_version(void) 543ca972d13SLesly A M { 544ca972d13SLesly A M return TWL_SIL_REV(twl_idcode); 545ca972d13SLesly A M } 546ca972d13SLesly A M EXPORT_SYMBOL_GPL(twl_get_version); 547ca972d13SLesly A M 548b07682b6SSantosh Shilimkar static struct device * 549b07682b6SSantosh Shilimkar add_numbered_child(unsigned chip, const char *name, int num, 550b07682b6SSantosh Shilimkar void *pdata, unsigned pdata_len, 551b07682b6SSantosh Shilimkar bool can_wakeup, int irq0, int irq1) 552b07682b6SSantosh Shilimkar { 553b07682b6SSantosh Shilimkar struct platform_device *pdev; 554fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[chip]; 555b07682b6SSantosh Shilimkar int status; 556b07682b6SSantosh Shilimkar 557b07682b6SSantosh Shilimkar pdev = platform_device_alloc(name, num); 558b07682b6SSantosh Shilimkar if (!pdev) { 559b07682b6SSantosh Shilimkar dev_dbg(&twl->client->dev, "can't alloc dev\n"); 560b07682b6SSantosh Shilimkar status = -ENOMEM; 561b07682b6SSantosh Shilimkar goto err; 562b07682b6SSantosh Shilimkar } 563b07682b6SSantosh Shilimkar 564b07682b6SSantosh Shilimkar device_init_wakeup(&pdev->dev, can_wakeup); 565b07682b6SSantosh Shilimkar pdev->dev.parent = &twl->client->dev; 566b07682b6SSantosh Shilimkar 567b07682b6SSantosh Shilimkar if (pdata) { 568b07682b6SSantosh Shilimkar status = platform_device_add_data(pdev, pdata, pdata_len); 569b07682b6SSantosh Shilimkar if (status < 0) { 570b07682b6SSantosh Shilimkar dev_dbg(&pdev->dev, "can't add platform_data\n"); 571b07682b6SSantosh Shilimkar goto err; 572b07682b6SSantosh Shilimkar } 573b07682b6SSantosh Shilimkar } 574b07682b6SSantosh Shilimkar 575b07682b6SSantosh Shilimkar if (irq0) { 576b07682b6SSantosh Shilimkar struct resource r[2] = { 577b07682b6SSantosh Shilimkar { .start = irq0, .flags = IORESOURCE_IRQ, }, 578b07682b6SSantosh Shilimkar { .start = irq1, .flags = IORESOURCE_IRQ, }, 579b07682b6SSantosh Shilimkar }; 580b07682b6SSantosh Shilimkar 581b07682b6SSantosh Shilimkar status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); 582b07682b6SSantosh Shilimkar if (status < 0) { 583b07682b6SSantosh Shilimkar dev_dbg(&pdev->dev, "can't add irqs\n"); 584b07682b6SSantosh Shilimkar goto err; 585b07682b6SSantosh Shilimkar } 586b07682b6SSantosh Shilimkar } 587b07682b6SSantosh Shilimkar 588b07682b6SSantosh Shilimkar status = platform_device_add(pdev); 589b07682b6SSantosh Shilimkar 590b07682b6SSantosh Shilimkar err: 591b07682b6SSantosh Shilimkar if (status < 0) { 592b07682b6SSantosh Shilimkar platform_device_put(pdev); 593b07682b6SSantosh Shilimkar dev_err(&twl->client->dev, "can't add %s dev\n", name); 594b07682b6SSantosh Shilimkar return ERR_PTR(status); 595b07682b6SSantosh Shilimkar } 596b07682b6SSantosh Shilimkar return &pdev->dev; 597b07682b6SSantosh Shilimkar } 598b07682b6SSantosh Shilimkar 599b07682b6SSantosh Shilimkar static inline struct device *add_child(unsigned chip, const char *name, 600b07682b6SSantosh Shilimkar void *pdata, unsigned pdata_len, 601b07682b6SSantosh Shilimkar bool can_wakeup, int irq0, int irq1) 602b07682b6SSantosh Shilimkar { 603b07682b6SSantosh Shilimkar return add_numbered_child(chip, name, -1, pdata, pdata_len, 604b07682b6SSantosh Shilimkar can_wakeup, irq0, irq1); 605b07682b6SSantosh Shilimkar } 606b07682b6SSantosh Shilimkar 607b07682b6SSantosh Shilimkar static struct device * 608b07682b6SSantosh Shilimkar add_regulator_linked(int num, struct regulator_init_data *pdata, 609b07682b6SSantosh Shilimkar struct regulator_consumer_supply *consumers, 610521d8ec3SGraeme Gregory unsigned num_consumers, unsigned long features) 611b07682b6SSantosh Shilimkar { 612e8deb28cSBalaji T K unsigned sub_chip_id; 613b07682b6SSantosh Shilimkar /* regulator framework demands init_data ... */ 614b07682b6SSantosh Shilimkar if (!pdata) 615b07682b6SSantosh Shilimkar return NULL; 616b07682b6SSantosh Shilimkar 617b07682b6SSantosh Shilimkar if (consumers) { 618b07682b6SSantosh Shilimkar pdata->consumer_supplies = consumers; 619b07682b6SSantosh Shilimkar pdata->num_consumer_supplies = num_consumers; 620b07682b6SSantosh Shilimkar } 621b07682b6SSantosh Shilimkar 622521d8ec3SGraeme Gregory pdata->driver_data = (void *)features; 623521d8ec3SGraeme Gregory 624b07682b6SSantosh Shilimkar /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ 625e8deb28cSBalaji T K sub_chip_id = twl_map[TWL_MODULE_PM_MASTER].sid; 626e8deb28cSBalaji T K return add_numbered_child(sub_chip_id, "twl_reg", num, 627b07682b6SSantosh Shilimkar pdata, sizeof(*pdata), false, 0, 0); 628b07682b6SSantosh Shilimkar } 629b07682b6SSantosh Shilimkar 630b07682b6SSantosh Shilimkar static struct device * 631521d8ec3SGraeme Gregory add_regulator(int num, struct regulator_init_data *pdata, 632521d8ec3SGraeme Gregory unsigned long features) 633b07682b6SSantosh Shilimkar { 634521d8ec3SGraeme Gregory return add_regulator_linked(num, pdata, NULL, 0, features); 635b07682b6SSantosh Shilimkar } 636b07682b6SSantosh Shilimkar 637b07682b6SSantosh Shilimkar /* 638b07682b6SSantosh Shilimkar * NOTE: We know the first 8 IRQs after pdata->base_irq are 639b07682b6SSantosh Shilimkar * for the PIH, and the next are for the PWR_INT SIH, since 640b07682b6SSantosh Shilimkar * that's how twl_init_irq() sets things up. 641b07682b6SSantosh Shilimkar */ 642b07682b6SSantosh Shilimkar 643b07682b6SSantosh Shilimkar static int 644b07682b6SSantosh Shilimkar add_children(struct twl4030_platform_data *pdata, unsigned long features) 645b07682b6SSantosh Shilimkar { 646b07682b6SSantosh Shilimkar struct device *child; 647e8deb28cSBalaji T K unsigned sub_chip_id; 648b07682b6SSantosh Shilimkar 649b07682b6SSantosh Shilimkar if (twl_has_gpio() && pdata->gpio) { 650fc7b92fcSBalaji T K child = add_child(SUB_CHIP_ID1, "twl4030_gpio", 651b07682b6SSantosh Shilimkar pdata->gpio, sizeof(*pdata->gpio), 652fc7b92fcSBalaji T K false, pdata->irq_base + GPIO_INTR_OFFSET, 0); 653b07682b6SSantosh Shilimkar if (IS_ERR(child)) 654b07682b6SSantosh Shilimkar return PTR_ERR(child); 655b07682b6SSantosh Shilimkar } 656b07682b6SSantosh Shilimkar 657b07682b6SSantosh Shilimkar if (twl_has_keypad() && pdata->keypad) { 658fc7b92fcSBalaji T K child = add_child(SUB_CHIP_ID2, "twl4030_keypad", 659b07682b6SSantosh Shilimkar pdata->keypad, sizeof(*pdata->keypad), 660fc7b92fcSBalaji T K true, pdata->irq_base + KEYPAD_INTR_OFFSET, 0); 661b07682b6SSantosh Shilimkar if (IS_ERR(child)) 662b07682b6SSantosh Shilimkar return PTR_ERR(child); 663b07682b6SSantosh Shilimkar } 664b07682b6SSantosh Shilimkar 665b07682b6SSantosh Shilimkar if (twl_has_madc() && pdata->madc) { 666b07682b6SSantosh Shilimkar child = add_child(2, "twl4030_madc", 667b07682b6SSantosh Shilimkar pdata->madc, sizeof(*pdata->madc), 668fc7b92fcSBalaji T K true, pdata->irq_base + MADC_INTR_OFFSET, 0); 669b07682b6SSantosh Shilimkar if (IS_ERR(child)) 670b07682b6SSantosh Shilimkar return PTR_ERR(child); 671b07682b6SSantosh Shilimkar } 672b07682b6SSantosh Shilimkar 673b07682b6SSantosh Shilimkar if (twl_has_rtc()) { 674b07682b6SSantosh Shilimkar /* 675b07682b6SSantosh Shilimkar * REVISIT platform_data here currently might expose the 676b07682b6SSantosh Shilimkar * "msecure" line ... but for now we just expect board 677b07682b6SSantosh Shilimkar * setup to tell the chip "it's always ok to SET_TIME". 678b07682b6SSantosh Shilimkar * Eventually, Linux might become more aware of such 679b07682b6SSantosh Shilimkar * HW security concerns, and "least privilege". 680b07682b6SSantosh Shilimkar */ 681e8deb28cSBalaji T K sub_chip_id = twl_map[TWL_MODULE_RTC].sid; 682e8deb28cSBalaji T K child = add_child(sub_chip_id, "twl_rtc", 683b07682b6SSantosh Shilimkar NULL, 0, 684fc7b92fcSBalaji T K true, pdata->irq_base + RTC_INTR_OFFSET, 0); 685b07682b6SSantosh Shilimkar if (IS_ERR(child)) 686b07682b6SSantosh Shilimkar return PTR_ERR(child); 687b07682b6SSantosh Shilimkar } 688b07682b6SSantosh Shilimkar 6899da66539SRajendra Nayak if (twl_has_usb() && pdata->usb && twl_class_is_4030()) { 690b07682b6SSantosh Shilimkar 691b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb1v5 = { 692b07682b6SSantosh Shilimkar .supply = "usb1v5", 693b07682b6SSantosh Shilimkar }; 694b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb1v8 = { 695b07682b6SSantosh Shilimkar .supply = "usb1v8", 696b07682b6SSantosh Shilimkar }; 697b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb3v1 = { 698b07682b6SSantosh Shilimkar .supply = "usb3v1", 699b07682b6SSantosh Shilimkar }; 700b07682b6SSantosh Shilimkar 701b07682b6SSantosh Shilimkar /* First add the regulators so that they can be used by transceiver */ 702b07682b6SSantosh Shilimkar if (twl_has_regulator()) { 703b07682b6SSantosh Shilimkar /* this is a template that gets copied */ 704b07682b6SSantosh Shilimkar struct regulator_init_data usb_fixed = { 705b07682b6SSantosh Shilimkar .constraints.valid_modes_mask = 706b07682b6SSantosh Shilimkar REGULATOR_MODE_NORMAL 707b07682b6SSantosh Shilimkar | REGULATOR_MODE_STANDBY, 708b07682b6SSantosh Shilimkar .constraints.valid_ops_mask = 709b07682b6SSantosh Shilimkar REGULATOR_CHANGE_MODE 710b07682b6SSantosh Shilimkar | REGULATOR_CHANGE_STATUS, 711b07682b6SSantosh Shilimkar }; 712b07682b6SSantosh Shilimkar 713b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB1V5, 714521d8ec3SGraeme Gregory &usb_fixed, &usb1v5, 1, 715521d8ec3SGraeme Gregory features); 716b07682b6SSantosh Shilimkar if (IS_ERR(child)) 717b07682b6SSantosh Shilimkar return PTR_ERR(child); 718b07682b6SSantosh Shilimkar 719b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB1V8, 720521d8ec3SGraeme Gregory &usb_fixed, &usb1v8, 1, 721521d8ec3SGraeme Gregory features); 722b07682b6SSantosh Shilimkar if (IS_ERR(child)) 723b07682b6SSantosh Shilimkar return PTR_ERR(child); 724b07682b6SSantosh Shilimkar 725b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB3V1, 726521d8ec3SGraeme Gregory &usb_fixed, &usb3v1, 1, 727521d8ec3SGraeme Gregory features); 728b07682b6SSantosh Shilimkar if (IS_ERR(child)) 729b07682b6SSantosh Shilimkar return PTR_ERR(child); 730b07682b6SSantosh Shilimkar 731b07682b6SSantosh Shilimkar } 732b07682b6SSantosh Shilimkar 733b07682b6SSantosh Shilimkar child = add_child(0, "twl4030_usb", 734b07682b6SSantosh Shilimkar pdata->usb, sizeof(*pdata->usb), 735b07682b6SSantosh Shilimkar true, 736b07682b6SSantosh Shilimkar /* irq0 = USB_PRES, irq1 = USB */ 737fc7b92fcSBalaji T K pdata->irq_base + USB_PRES_INTR_OFFSET, 738fc7b92fcSBalaji T K pdata->irq_base + USB_INTR_OFFSET); 739b07682b6SSantosh Shilimkar 740b07682b6SSantosh Shilimkar if (IS_ERR(child)) 741b07682b6SSantosh Shilimkar return PTR_ERR(child); 742b07682b6SSantosh Shilimkar 743b07682b6SSantosh Shilimkar /* we need to connect regulators to this transceiver */ 744b07682b6SSantosh Shilimkar if (twl_has_regulator() && child) { 745b07682b6SSantosh Shilimkar usb1v5.dev = child; 746b07682b6SSantosh Shilimkar usb1v8.dev = child; 747b07682b6SSantosh Shilimkar usb3v1.dev = child; 748b07682b6SSantosh Shilimkar } 749b07682b6SSantosh Shilimkar } 750e70357e3SHema HK if (twl_has_usb() && pdata->usb && twl_class_is_6030()) { 751e70357e3SHema HK 752521d8ec3SGraeme Gregory static struct regulator_consumer_supply usb3v3; 753521d8ec3SGraeme Gregory int regulator; 754e70357e3SHema HK 755e70357e3SHema HK if (twl_has_regulator()) { 756e70357e3SHema HK /* this is a template that gets copied */ 757e70357e3SHema HK struct regulator_init_data usb_fixed = { 758e70357e3SHema HK .constraints.valid_modes_mask = 759e70357e3SHema HK REGULATOR_MODE_NORMAL 760e70357e3SHema HK | REGULATOR_MODE_STANDBY, 761e70357e3SHema HK .constraints.valid_ops_mask = 762e70357e3SHema HK REGULATOR_CHANGE_MODE 763e70357e3SHema HK | REGULATOR_CHANGE_STATUS, 764e70357e3SHema HK }; 765e70357e3SHema HK 766521d8ec3SGraeme Gregory if (features & TWL6025_SUBCLASS) { 767521d8ec3SGraeme Gregory usb3v3.supply = "ldousb"; 768521d8ec3SGraeme Gregory regulator = TWL6025_REG_LDOUSB; 769521d8ec3SGraeme Gregory } else { 770521d8ec3SGraeme Gregory usb3v3.supply = "vusb"; 771521d8ec3SGraeme Gregory regulator = TWL6030_REG_VUSB; 772521d8ec3SGraeme Gregory } 773521d8ec3SGraeme Gregory child = add_regulator_linked(regulator, &usb_fixed, 774521d8ec3SGraeme Gregory &usb3v3, 1, 775521d8ec3SGraeme Gregory features); 776e70357e3SHema HK if (IS_ERR(child)) 777e70357e3SHema HK return PTR_ERR(child); 778e70357e3SHema HK } 779e70357e3SHema HK 780521d8ec3SGraeme Gregory pdata->usb->features = features; 781521d8ec3SGraeme Gregory 782e70357e3SHema HK child = add_child(0, "twl6030_usb", 783e70357e3SHema HK pdata->usb, sizeof(*pdata->usb), 784e70357e3SHema HK true, 785e70357e3SHema HK /* irq1 = VBUS_PRES, irq0 = USB ID */ 786e70357e3SHema HK pdata->irq_base + USBOTG_INTR_OFFSET, 787e70357e3SHema HK pdata->irq_base + USB_PRES_INTR_OFFSET); 788e70357e3SHema HK 789e70357e3SHema HK if (IS_ERR(child)) 790e70357e3SHema HK return PTR_ERR(child); 791e70357e3SHema HK /* we need to connect regulators to this transceiver */ 792e70357e3SHema HK if (twl_has_regulator() && child) 793e70357e3SHema HK usb3v3.dev = child; 794521d8ec3SGraeme Gregory } else if (twl_has_regulator() && twl_class_is_6030()) { 795521d8ec3SGraeme Gregory if (features & TWL6025_SUBCLASS) 796521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDOUSB, 797521d8ec3SGraeme Gregory pdata->ldousb, features); 798521d8ec3SGraeme Gregory else 799521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VUSB, 800521d8ec3SGraeme Gregory pdata->vusb, features); 801e70357e3SHema HK 802521d8ec3SGraeme Gregory if (IS_ERR(child)) 803521d8ec3SGraeme Gregory return PTR_ERR(child); 804e70357e3SHema HK } 805b07682b6SSantosh Shilimkar 806153617fdSKeerthy if (twl_has_watchdog() && twl_class_is_4030()) { 807b07682b6SSantosh Shilimkar child = add_child(0, "twl4030_wdt", NULL, 0, false, 0, 0); 808b07682b6SSantosh Shilimkar if (IS_ERR(child)) 809b07682b6SSantosh Shilimkar return PTR_ERR(child); 810b07682b6SSantosh Shilimkar } 811b07682b6SSantosh Shilimkar 812153617fdSKeerthy if (twl_has_pwrbutton() && twl_class_is_4030()) { 813b07682b6SSantosh Shilimkar child = add_child(1, "twl4030_pwrbutton", 814b07682b6SSantosh Shilimkar NULL, 0, true, pdata->irq_base + 8 + 0, 0); 815b07682b6SSantosh Shilimkar if (IS_ERR(child)) 816b07682b6SSantosh Shilimkar return PTR_ERR(child); 817b07682b6SSantosh Shilimkar } 818b07682b6SSantosh Shilimkar 8194ae6df5eSPeter Ujfalusi if (twl_has_codec() && pdata->audio && twl_class_is_4030()) { 820d62abe56SMisael Lopez Cruz sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid; 821f0fba2adSLiam Girdwood child = add_child(sub_chip_id, "twl4030-audio", 8224ae6df5eSPeter Ujfalusi pdata->audio, sizeof(*pdata->audio), 823d62abe56SMisael Lopez Cruz false, 0, 0); 824d62abe56SMisael Lopez Cruz if (IS_ERR(child)) 825d62abe56SMisael Lopez Cruz return PTR_ERR(child); 826d62abe56SMisael Lopez Cruz } 827d62abe56SMisael Lopez Cruz 8284ae6df5eSPeter Ujfalusi if (twl_has_codec() && pdata->audio && twl_class_is_6030()) { 829d62abe56SMisael Lopez Cruz sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid; 830f19b2823SMisael Lopez Cruz child = add_child(sub_chip_id, "twl6040", 8314ae6df5eSPeter Ujfalusi pdata->audio, sizeof(*pdata->audio), 832b07682b6SSantosh Shilimkar false, 0, 0); 833b07682b6SSantosh Shilimkar if (IS_ERR(child)) 834b07682b6SSantosh Shilimkar return PTR_ERR(child); 835b07682b6SSantosh Shilimkar } 836b07682b6SSantosh Shilimkar 8379da66539SRajendra Nayak /* twl4030 regulators */ 8389da66539SRajendra Nayak if (twl_has_regulator() && twl_class_is_4030()) { 839521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1, 840521d8ec3SGraeme Gregory features); 841b07682b6SSantosh Shilimkar if (IS_ERR(child)) 842b07682b6SSantosh Shilimkar return PTR_ERR(child); 843b07682b6SSantosh Shilimkar 844521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VIO, pdata->vio, 845521d8ec3SGraeme Gregory features); 846b07682b6SSantosh Shilimkar if (IS_ERR(child)) 847b07682b6SSantosh Shilimkar return PTR_ERR(child); 848b07682b6SSantosh Shilimkar 849521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VDD1, pdata->vdd1, 850521d8ec3SGraeme Gregory features); 851b07682b6SSantosh Shilimkar if (IS_ERR(child)) 852b07682b6SSantosh Shilimkar return PTR_ERR(child); 853b07682b6SSantosh Shilimkar 854521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VDD2, pdata->vdd2, 855521d8ec3SGraeme Gregory features); 856b07682b6SSantosh Shilimkar if (IS_ERR(child)) 857b07682b6SSantosh Shilimkar return PTR_ERR(child); 858b07682b6SSantosh Shilimkar 859521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1, 860521d8ec3SGraeme Gregory features); 861b07682b6SSantosh Shilimkar if (IS_ERR(child)) 862b07682b6SSantosh Shilimkar return PTR_ERR(child); 863b07682b6SSantosh Shilimkar 864521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VDAC, pdata->vdac, 865521d8ec3SGraeme Gregory features); 866b07682b6SSantosh Shilimkar if (IS_ERR(child)) 867b07682b6SSantosh Shilimkar return PTR_ERR(child); 868b07682b6SSantosh Shilimkar 869b07682b6SSantosh Shilimkar child = add_regulator((features & TWL4030_VAUX2) 870b07682b6SSantosh Shilimkar ? TWL4030_REG_VAUX2_4030 871b07682b6SSantosh Shilimkar : TWL4030_REG_VAUX2, 872521d8ec3SGraeme Gregory pdata->vaux2, features); 873b07682b6SSantosh Shilimkar if (IS_ERR(child)) 874b07682b6SSantosh Shilimkar return PTR_ERR(child); 875b07682b6SSantosh Shilimkar 876521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VINTANA1, pdata->vintana1, 877521d8ec3SGraeme Gregory features); 878b07682b6SSantosh Shilimkar if (IS_ERR(child)) 879b07682b6SSantosh Shilimkar return PTR_ERR(child); 880b07682b6SSantosh Shilimkar 881521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VINTANA2, pdata->vintana2, 882521d8ec3SGraeme Gregory features); 883b07682b6SSantosh Shilimkar if (IS_ERR(child)) 884b07682b6SSantosh Shilimkar return PTR_ERR(child); 885b07682b6SSantosh Shilimkar 886521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VINTDIG, pdata->vintdig, 887521d8ec3SGraeme Gregory features); 888b07682b6SSantosh Shilimkar if (IS_ERR(child)) 889b07682b6SSantosh Shilimkar return PTR_ERR(child); 890b07682b6SSantosh Shilimkar } 891b07682b6SSantosh Shilimkar 892b07682b6SSantosh Shilimkar /* maybe add LDOs that are omitted on cost-reduced parts */ 8939da66539SRajendra Nayak if (twl_has_regulator() && !(features & TPS_SUBSET) 8949da66539SRajendra Nayak && twl_class_is_4030()) { 895521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2, 896521d8ec3SGraeme Gregory features); 897b07682b6SSantosh Shilimkar if (IS_ERR(child)) 898b07682b6SSantosh Shilimkar return PTR_ERR(child); 899b07682b6SSantosh Shilimkar 900521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2, 901521d8ec3SGraeme Gregory features); 902b07682b6SSantosh Shilimkar if (IS_ERR(child)) 903b07682b6SSantosh Shilimkar return PTR_ERR(child); 904b07682b6SSantosh Shilimkar 905521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VSIM, pdata->vsim, 906521d8ec3SGraeme Gregory features); 907b07682b6SSantosh Shilimkar if (IS_ERR(child)) 908b07682b6SSantosh Shilimkar return PTR_ERR(child); 909b07682b6SSantosh Shilimkar 910521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1, 911521d8ec3SGraeme Gregory features); 912b07682b6SSantosh Shilimkar if (IS_ERR(child)) 913b07682b6SSantosh Shilimkar return PTR_ERR(child); 914b07682b6SSantosh Shilimkar 915521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3, 916521d8ec3SGraeme Gregory features); 917b07682b6SSantosh Shilimkar if (IS_ERR(child)) 918b07682b6SSantosh Shilimkar return PTR_ERR(child); 919b07682b6SSantosh Shilimkar 920521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4, 921521d8ec3SGraeme Gregory features); 922b07682b6SSantosh Shilimkar if (IS_ERR(child)) 923b07682b6SSantosh Shilimkar return PTR_ERR(child); 924b07682b6SSantosh Shilimkar } 925b07682b6SSantosh Shilimkar 9269da66539SRajendra Nayak /* twl6030 regulators */ 927521d8ec3SGraeme Gregory if (twl_has_regulator() && twl_class_is_6030() && 928521d8ec3SGraeme Gregory !(features & TWL6025_SUBCLASS)) { 929521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc, 930521d8ec3SGraeme Gregory features); 931521d8ec3SGraeme Gregory if (IS_ERR(child)) 932521d8ec3SGraeme Gregory return PTR_ERR(child); 933521d8ec3SGraeme Gregory 934521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VPP, pdata->vpp, 935521d8ec3SGraeme Gregory features); 936521d8ec3SGraeme Gregory if (IS_ERR(child)) 937521d8ec3SGraeme Gregory return PTR_ERR(child); 938521d8ec3SGraeme Gregory 939521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VUSIM, pdata->vusim, 940521d8ec3SGraeme Gregory features); 941521d8ec3SGraeme Gregory if (IS_ERR(child)) 942521d8ec3SGraeme Gregory return PTR_ERR(child); 943521d8ec3SGraeme Gregory 944521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VCXIO, pdata->vcxio, 945521d8ec3SGraeme Gregory features); 946521d8ec3SGraeme Gregory if (IS_ERR(child)) 947521d8ec3SGraeme Gregory return PTR_ERR(child); 948521d8ec3SGraeme Gregory 949521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VDAC, pdata->vdac, 950521d8ec3SGraeme Gregory features); 951521d8ec3SGraeme Gregory if (IS_ERR(child)) 952521d8ec3SGraeme Gregory return PTR_ERR(child); 953521d8ec3SGraeme Gregory 954521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1, 955521d8ec3SGraeme Gregory features); 956521d8ec3SGraeme Gregory if (IS_ERR(child)) 957521d8ec3SGraeme Gregory return PTR_ERR(child); 958521d8ec3SGraeme Gregory 959521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VAUX2_6030, pdata->vaux2, 960521d8ec3SGraeme Gregory features); 961521d8ec3SGraeme Gregory if (IS_ERR(child)) 962521d8ec3SGraeme Gregory return PTR_ERR(child); 963521d8ec3SGraeme Gregory 964521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3, 965521d8ec3SGraeme Gregory features); 966521d8ec3SGraeme Gregory if (IS_ERR(child)) 967521d8ec3SGraeme Gregory return PTR_ERR(child); 968521d8ec3SGraeme Gregory 969521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_CLK32KG, pdata->clk32kg, 970521d8ec3SGraeme Gregory features); 971521d8ec3SGraeme Gregory if (IS_ERR(child)) 972521d8ec3SGraeme Gregory return PTR_ERR(child); 973521d8ec3SGraeme Gregory } 974521d8ec3SGraeme Gregory 975521d8ec3SGraeme Gregory /* 6030 and 6025 share this regulator */ 9769da66539SRajendra Nayak if (twl_has_regulator() && twl_class_is_6030()) { 977521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VANA, pdata->vana, 978521d8ec3SGraeme Gregory features); 979521d8ec3SGraeme Gregory if (IS_ERR(child)) 980521d8ec3SGraeme Gregory return PTR_ERR(child); 981521d8ec3SGraeme Gregory } 982521d8ec3SGraeme Gregory 983521d8ec3SGraeme Gregory /* twl6025 regulators */ 984521d8ec3SGraeme Gregory if (twl_has_regulator() && twl_class_is_6030() && 985521d8ec3SGraeme Gregory (features & TWL6025_SUBCLASS)) { 986521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO5, pdata->ldo5, 987521d8ec3SGraeme Gregory features); 9889da66539SRajendra Nayak if (IS_ERR(child)) 9899da66539SRajendra Nayak return PTR_ERR(child); 9909da66539SRajendra Nayak 991521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO1, pdata->ldo1, 992521d8ec3SGraeme Gregory features); 9939da66539SRajendra Nayak if (IS_ERR(child)) 9949da66539SRajendra Nayak return PTR_ERR(child); 9959da66539SRajendra Nayak 996521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO7, pdata->ldo7, 997521d8ec3SGraeme Gregory features); 9989da66539SRajendra Nayak if (IS_ERR(child)) 9999da66539SRajendra Nayak return PTR_ERR(child); 10009da66539SRajendra Nayak 1001521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO6, pdata->ldo6, 1002521d8ec3SGraeme Gregory features); 10039da66539SRajendra Nayak if (IS_ERR(child)) 10049da66539SRajendra Nayak return PTR_ERR(child); 10059da66539SRajendra Nayak 1006521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDOLN, pdata->ldoln, 1007521d8ec3SGraeme Gregory features); 10089da66539SRajendra Nayak if (IS_ERR(child)) 10099da66539SRajendra Nayak return PTR_ERR(child); 10109da66539SRajendra Nayak 1011521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO2, pdata->ldo2, 1012521d8ec3SGraeme Gregory features); 10139da66539SRajendra Nayak if (IS_ERR(child)) 10149da66539SRajendra Nayak return PTR_ERR(child); 10159da66539SRajendra Nayak 1016521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO4, pdata->ldo4, 1017521d8ec3SGraeme Gregory features); 10189da66539SRajendra Nayak if (IS_ERR(child)) 10199da66539SRajendra Nayak return PTR_ERR(child); 10209da66539SRajendra Nayak 1021521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO3, pdata->ldo3, 1022521d8ec3SGraeme Gregory features); 10239da66539SRajendra Nayak if (IS_ERR(child)) 10249da66539SRajendra Nayak return PTR_ERR(child); 10259da66539SRajendra Nayak 1026521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_SMPS3, pdata->smps3, 1027521d8ec3SGraeme Gregory features); 10289da66539SRajendra Nayak if (IS_ERR(child)) 10299da66539SRajendra Nayak return PTR_ERR(child); 10308e6de4a3SBalaji T K 1031521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_SMPS4, pdata->smps4, 1032521d8ec3SGraeme Gregory features); 10338e6de4a3SBalaji T K if (IS_ERR(child)) 10348e6de4a3SBalaji T K return PTR_ERR(child); 1035521d8ec3SGraeme Gregory 1036521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_VIO, pdata->vio6025, 1037521d8ec3SGraeme Gregory features); 1038521d8ec3SGraeme Gregory if (IS_ERR(child)) 1039521d8ec3SGraeme Gregory return PTR_ERR(child); 1040521d8ec3SGraeme Gregory 10419da66539SRajendra Nayak } 10429da66539SRajendra Nayak 104311c39c4bSGrazvydas Ignotas if (twl_has_bci() && pdata->bci && 104411c39c4bSGrazvydas Ignotas !(features & (TPS_SUBSET | TWL5031))) { 104511c39c4bSGrazvydas Ignotas child = add_child(3, "twl4030_bci", 104611c39c4bSGrazvydas Ignotas pdata->bci, sizeof(*pdata->bci), false, 104711c39c4bSGrazvydas Ignotas /* irq0 = CHG_PRES, irq1 = BCI */ 104811c39c4bSGrazvydas Ignotas pdata->irq_base + BCI_PRES_INTR_OFFSET, 104911c39c4bSGrazvydas Ignotas pdata->irq_base + BCI_INTR_OFFSET); 105011c39c4bSGrazvydas Ignotas if (IS_ERR(child)) 105111c39c4bSGrazvydas Ignotas return PTR_ERR(child); 105211c39c4bSGrazvydas Ignotas } 105311c39c4bSGrazvydas Ignotas 1054b07682b6SSantosh Shilimkar return 0; 1055b07682b6SSantosh Shilimkar } 1056b07682b6SSantosh Shilimkar 1057b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 1058b07682b6SSantosh Shilimkar 1059b07682b6SSantosh Shilimkar /* 1060b07682b6SSantosh Shilimkar * These three functions initialize the on-chip clock framework, 1061b07682b6SSantosh Shilimkar * letting it generate the right frequencies for USB, MADC, and 1062b07682b6SSantosh Shilimkar * other purposes. 1063b07682b6SSantosh Shilimkar */ 1064b07682b6SSantosh Shilimkar static inline int __init protect_pm_master(void) 1065b07682b6SSantosh Shilimkar { 1066b07682b6SSantosh Shilimkar int e = 0; 1067b07682b6SSantosh Shilimkar 106849e6f87eSFelipe Balbi e = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0, 106949e6f87eSFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 1070b07682b6SSantosh Shilimkar return e; 1071b07682b6SSantosh Shilimkar } 1072b07682b6SSantosh Shilimkar 1073b07682b6SSantosh Shilimkar static inline int __init unprotect_pm_master(void) 1074b07682b6SSantosh Shilimkar { 1075b07682b6SSantosh Shilimkar int e = 0; 1076b07682b6SSantosh Shilimkar 107749e6f87eSFelipe Balbi e |= twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 107849e6f87eSFelipe Balbi TWL4030_PM_MASTER_KEY_CFG1, 107949e6f87eSFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 108049e6f87eSFelipe Balbi e |= twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 108149e6f87eSFelipe Balbi TWL4030_PM_MASTER_KEY_CFG2, 108249e6f87eSFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 108349e6f87eSFelipe Balbi 1084b07682b6SSantosh Shilimkar return e; 1085b07682b6SSantosh Shilimkar } 1086b07682b6SSantosh Shilimkar 1087b07682b6SSantosh Shilimkar static void clocks_init(struct device *dev, 1088b07682b6SSantosh Shilimkar struct twl4030_clock_init_data *clock) 1089b07682b6SSantosh Shilimkar { 1090b07682b6SSantosh Shilimkar int e = 0; 1091b07682b6SSantosh Shilimkar struct clk *osc; 1092b07682b6SSantosh Shilimkar u32 rate; 1093b07682b6SSantosh Shilimkar u8 ctrl = HFCLK_FREQ_26_MHZ; 1094b07682b6SSantosh Shilimkar 1095b07682b6SSantosh Shilimkar #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 1096b07682b6SSantosh Shilimkar if (cpu_is_omap2430()) 1097b07682b6SSantosh Shilimkar osc = clk_get(dev, "osc_ck"); 1098b07682b6SSantosh Shilimkar else 1099b07682b6SSantosh Shilimkar osc = clk_get(dev, "osc_sys_ck"); 1100b07682b6SSantosh Shilimkar 1101b07682b6SSantosh Shilimkar if (IS_ERR(osc)) { 1102fc7b92fcSBalaji T K printk(KERN_WARNING "Skipping twl internal clock init and " 1103b07682b6SSantosh Shilimkar "using bootloader value (unknown osc rate)\n"); 1104b07682b6SSantosh Shilimkar return; 1105b07682b6SSantosh Shilimkar } 1106b07682b6SSantosh Shilimkar 1107b07682b6SSantosh Shilimkar rate = clk_get_rate(osc); 1108b07682b6SSantosh Shilimkar clk_put(osc); 1109b07682b6SSantosh Shilimkar 1110b07682b6SSantosh Shilimkar #else 1111b07682b6SSantosh Shilimkar /* REVISIT for non-OMAP systems, pass the clock rate from 1112b07682b6SSantosh Shilimkar * board init code, using platform_data. 1113b07682b6SSantosh Shilimkar */ 1114b07682b6SSantosh Shilimkar osc = ERR_PTR(-EIO); 1115b07682b6SSantosh Shilimkar 1116fc7b92fcSBalaji T K printk(KERN_WARNING "Skipping twl internal clock init and " 1117b07682b6SSantosh Shilimkar "using bootloader value (unknown osc rate)\n"); 1118b07682b6SSantosh Shilimkar 1119b07682b6SSantosh Shilimkar return; 1120b07682b6SSantosh Shilimkar #endif 1121b07682b6SSantosh Shilimkar 1122b07682b6SSantosh Shilimkar switch (rate) { 1123b07682b6SSantosh Shilimkar case 19200000: 1124b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_19p2_MHZ; 1125b07682b6SSantosh Shilimkar break; 1126b07682b6SSantosh Shilimkar case 26000000: 1127b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_26_MHZ; 1128b07682b6SSantosh Shilimkar break; 1129b07682b6SSantosh Shilimkar case 38400000: 1130b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_38p4_MHZ; 1131b07682b6SSantosh Shilimkar break; 1132b07682b6SSantosh Shilimkar } 1133b07682b6SSantosh Shilimkar 1134b07682b6SSantosh Shilimkar ctrl |= HIGH_PERF_SQ; 1135b07682b6SSantosh Shilimkar if (clock && clock->ck32k_lowpwr_enable) 1136b07682b6SSantosh Shilimkar ctrl |= CK32K_LOWPWR_EN; 1137b07682b6SSantosh Shilimkar 1138b07682b6SSantosh Shilimkar e |= unprotect_pm_master(); 1139b07682b6SSantosh Shilimkar /* effect->MADC+USB ck en */ 1140fc7b92fcSBalaji T K e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); 1141b07682b6SSantosh Shilimkar e |= protect_pm_master(); 1142b07682b6SSantosh Shilimkar 1143b07682b6SSantosh Shilimkar if (e < 0) 1144b07682b6SSantosh Shilimkar pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e); 1145b07682b6SSantosh Shilimkar } 1146b07682b6SSantosh Shilimkar 1147b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 1148b07682b6SSantosh Shilimkar 1149e8deb28cSBalaji T K int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end); 1150e8deb28cSBalaji T K int twl4030_exit_irq(void); 1151e8deb28cSBalaji T K int twl4030_init_chip_irq(const char *chip); 1152e8deb28cSBalaji T K int twl6030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end); 1153e8deb28cSBalaji T K int twl6030_exit_irq(void); 1154b07682b6SSantosh Shilimkar 1155fc7b92fcSBalaji T K static int twl_remove(struct i2c_client *client) 1156b07682b6SSantosh Shilimkar { 1157b07682b6SSantosh Shilimkar unsigned i; 1158b07682b6SSantosh Shilimkar int status; 1159b07682b6SSantosh Shilimkar 1160e8deb28cSBalaji T K if (twl_class_is_4030()) 1161e8deb28cSBalaji T K status = twl4030_exit_irq(); 1162e8deb28cSBalaji T K else 1163e8deb28cSBalaji T K status = twl6030_exit_irq(); 1164e8deb28cSBalaji T K 1165b07682b6SSantosh Shilimkar if (status < 0) 1166b07682b6SSantosh Shilimkar return status; 1167b07682b6SSantosh Shilimkar 1168fc7b92fcSBalaji T K for (i = 0; i < TWL_NUM_SLAVES; i++) { 1169fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[i]; 1170b07682b6SSantosh Shilimkar 1171b07682b6SSantosh Shilimkar if (twl->client && twl->client != client) 1172b07682b6SSantosh Shilimkar i2c_unregister_device(twl->client); 1173fc7b92fcSBalaji T K twl_modules[i].client = NULL; 1174b07682b6SSantosh Shilimkar } 1175b07682b6SSantosh Shilimkar inuse = false; 1176b07682b6SSantosh Shilimkar return 0; 1177b07682b6SSantosh Shilimkar } 1178b07682b6SSantosh Shilimkar 1179b07682b6SSantosh Shilimkar /* NOTE: this driver only handles a single twl4030/tps659x0 chip */ 11805b9cecd6SBryan Wu static int __devinit 1181fc7b92fcSBalaji T K twl_probe(struct i2c_client *client, const struct i2c_device_id *id) 1182b07682b6SSantosh Shilimkar { 1183b07682b6SSantosh Shilimkar int status; 1184b07682b6SSantosh Shilimkar unsigned i; 1185b07682b6SSantosh Shilimkar struct twl4030_platform_data *pdata = client->dev.platform_data; 1186a29aaf55SMoiz Sonasath u8 temp; 1187ca972d13SLesly A M int ret = 0; 1188b07682b6SSantosh Shilimkar 1189b07682b6SSantosh Shilimkar if (!pdata) { 1190b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "no platform data?\n"); 1191b07682b6SSantosh Shilimkar return -EINVAL; 1192b07682b6SSantosh Shilimkar } 1193b07682b6SSantosh Shilimkar 1194b07682b6SSantosh Shilimkar if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { 1195b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "can't talk I2C?\n"); 1196b07682b6SSantosh Shilimkar return -EIO; 1197b07682b6SSantosh Shilimkar } 1198b07682b6SSantosh Shilimkar 1199b07682b6SSantosh Shilimkar if (inuse) { 1200b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "driver is already in use\n"); 1201b07682b6SSantosh Shilimkar return -EBUSY; 1202b07682b6SSantosh Shilimkar } 1203b07682b6SSantosh Shilimkar 1204fc7b92fcSBalaji T K for (i = 0; i < TWL_NUM_SLAVES; i++) { 1205fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[i]; 1206b07682b6SSantosh Shilimkar 1207b07682b6SSantosh Shilimkar twl->address = client->addr + i; 1208b07682b6SSantosh Shilimkar if (i == 0) 1209b07682b6SSantosh Shilimkar twl->client = client; 1210b07682b6SSantosh Shilimkar else { 1211b07682b6SSantosh Shilimkar twl->client = i2c_new_dummy(client->adapter, 1212b07682b6SSantosh Shilimkar twl->address); 1213b07682b6SSantosh Shilimkar if (!twl->client) { 1214b07682b6SSantosh Shilimkar dev_err(&client->dev, 1215b07682b6SSantosh Shilimkar "can't attach client %d\n", i); 1216b07682b6SSantosh Shilimkar status = -ENOMEM; 1217b07682b6SSantosh Shilimkar goto fail; 1218b07682b6SSantosh Shilimkar } 1219b07682b6SSantosh Shilimkar } 1220b07682b6SSantosh Shilimkar mutex_init(&twl->xfer_lock); 1221b07682b6SSantosh Shilimkar } 1222b07682b6SSantosh Shilimkar inuse = true; 1223e8deb28cSBalaji T K if ((id->driver_data) & TWL6030_CLASS) { 1224e8deb28cSBalaji T K twl_id = TWL6030_CLASS_ID; 1225e8deb28cSBalaji T K twl_map = &twl6030_map[0]; 1226e8deb28cSBalaji T K } else { 1227e8deb28cSBalaji T K twl_id = TWL4030_CLASS_ID; 1228e8deb28cSBalaji T K twl_map = &twl4030_map[0]; 1229e8deb28cSBalaji T K } 1230b07682b6SSantosh Shilimkar 1231b07682b6SSantosh Shilimkar /* setup clock framework */ 1232b07682b6SSantosh Shilimkar clocks_init(&client->dev, pdata->clock); 1233b07682b6SSantosh Shilimkar 1234ca972d13SLesly A M /* read TWL IDCODE Register */ 1235ca972d13SLesly A M if (twl_id == TWL4030_CLASS_ID) { 1236ca972d13SLesly A M ret = twl_read_idcode_register(); 1237ca972d13SLesly A M WARN(ret < 0, "Error: reading twl_idcode register value\n"); 1238ca972d13SLesly A M } 1239ca972d13SLesly A M 1240b07682b6SSantosh Shilimkar /* load power event scripts */ 1241b07682b6SSantosh Shilimkar if (twl_has_power() && pdata->power) 1242b07682b6SSantosh Shilimkar twl4030_power_init(pdata->power); 1243b07682b6SSantosh Shilimkar 1244b07682b6SSantosh Shilimkar /* Maybe init the T2 Interrupt subsystem */ 1245b07682b6SSantosh Shilimkar if (client->irq 1246b07682b6SSantosh Shilimkar && pdata->irq_base 1247b07682b6SSantosh Shilimkar && pdata->irq_end > pdata->irq_base) { 1248e8deb28cSBalaji T K if (twl_class_is_4030()) { 1249e8deb28cSBalaji T K twl4030_init_chip_irq(id->name); 1250e8deb28cSBalaji T K status = twl4030_init_irq(client->irq, pdata->irq_base, 1251e8deb28cSBalaji T K pdata->irq_end); 1252e8deb28cSBalaji T K } else { 1253e8deb28cSBalaji T K status = twl6030_init_irq(client->irq, pdata->irq_base, 1254e8deb28cSBalaji T K pdata->irq_end); 1255e8deb28cSBalaji T K } 1256e8deb28cSBalaji T K 1257b07682b6SSantosh Shilimkar if (status < 0) 1258b07682b6SSantosh Shilimkar goto fail; 1259b07682b6SSantosh Shilimkar } 1260b07682b6SSantosh Shilimkar 1261a29aaf55SMoiz Sonasath /* Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface. 1262a29aaf55SMoiz Sonasath * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0, 1263a29aaf55SMoiz Sonasath * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0. 1264a29aaf55SMoiz Sonasath */ 1265a29aaf55SMoiz Sonasath 1266a29aaf55SMoiz Sonasath if (twl_class_is_4030()) { 1267a29aaf55SMoiz Sonasath twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1); 1268a29aaf55SMoiz Sonasath temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \ 1269a29aaf55SMoiz Sonasath I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU); 1270a29aaf55SMoiz Sonasath twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1); 1271a29aaf55SMoiz Sonasath } 1272a29aaf55SMoiz Sonasath 1273b07682b6SSantosh Shilimkar status = add_children(pdata, id->driver_data); 1274b07682b6SSantosh Shilimkar fail: 1275b07682b6SSantosh Shilimkar if (status < 0) 1276fc7b92fcSBalaji T K twl_remove(client); 1277b07682b6SSantosh Shilimkar return status; 1278b07682b6SSantosh Shilimkar } 1279b07682b6SSantosh Shilimkar 1280fc7b92fcSBalaji T K static const struct i2c_device_id twl_ids[] = { 1281b07682b6SSantosh Shilimkar { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ 1282b07682b6SSantosh Shilimkar { "twl5030", 0 }, /* T2 updated */ 1283b07682b6SSantosh Shilimkar { "twl5031", TWL5031 }, /* TWL5030 updated */ 1284b07682b6SSantosh Shilimkar { "tps65950", 0 }, /* catalog version of twl5030 */ 1285b07682b6SSantosh Shilimkar { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ 1286b07682b6SSantosh Shilimkar { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ 128759dead5aSOleg Drokin { "tps65921", TPS_SUBSET }, /* fewer LDOs; no codec, no LED 128859dead5aSOleg Drokin and vibrator. Charger in USB module*/ 1289e8deb28cSBalaji T K { "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */ 1290521d8ec3SGraeme Gregory { "twl6025", TWL6030_CLASS | TWL6025_SUBCLASS }, /* "Phoenix lite" */ 1291b07682b6SSantosh Shilimkar { /* end of list */ }, 1292b07682b6SSantosh Shilimkar }; 1293fc7b92fcSBalaji T K MODULE_DEVICE_TABLE(i2c, twl_ids); 1294b07682b6SSantosh Shilimkar 1295b07682b6SSantosh Shilimkar /* One Client Driver , 4 Clients */ 1296fc7b92fcSBalaji T K static struct i2c_driver twl_driver = { 1297b07682b6SSantosh Shilimkar .driver.name = DRIVER_NAME, 1298fc7b92fcSBalaji T K .id_table = twl_ids, 1299fc7b92fcSBalaji T K .probe = twl_probe, 1300fc7b92fcSBalaji T K .remove = twl_remove, 1301b07682b6SSantosh Shilimkar }; 1302b07682b6SSantosh Shilimkar 1303fc7b92fcSBalaji T K static int __init twl_init(void) 1304b07682b6SSantosh Shilimkar { 1305fc7b92fcSBalaji T K return i2c_add_driver(&twl_driver); 1306b07682b6SSantosh Shilimkar } 1307fc7b92fcSBalaji T K subsys_initcall(twl_init); 1308b07682b6SSantosh Shilimkar 1309fc7b92fcSBalaji T K static void __exit twl_exit(void) 1310b07682b6SSantosh Shilimkar { 1311fc7b92fcSBalaji T K i2c_del_driver(&twl_driver); 1312b07682b6SSantosh Shilimkar } 1313fc7b92fcSBalaji T K module_exit(twl_exit); 1314b07682b6SSantosh Shilimkar 1315b07682b6SSantosh Shilimkar MODULE_AUTHOR("Texas Instruments, Inc."); 1316fc7b92fcSBalaji T K MODULE_DESCRIPTION("I2C Core interface for TWL"); 1317b07682b6SSantosh Shilimkar MODULE_LICENSE("GPL"); 1318