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> 352473d25aSPeter Ujfalusi #include <linux/regmap.h> 36b07682b6SSantosh Shilimkar #include <linux/clk.h> 37b07682b6SSantosh Shilimkar #include <linux/err.h> 38aeb5032bSBenoit Cousson #include <linux/device.h> 39aeb5032bSBenoit Cousson #include <linux/of.h> 40aeb5032bSBenoit Cousson #include <linux/of_irq.h> 41aeb5032bSBenoit Cousson #include <linux/of_platform.h> 42e7cc3acaSGrant Likely #include <linux/irq.h> 43aeb5032bSBenoit Cousson #include <linux/irqdomain.h> 44b07682b6SSantosh Shilimkar 45b07682b6SSantosh Shilimkar #include <linux/regulator/machine.h> 46b07682b6SSantosh Shilimkar 47b07682b6SSantosh Shilimkar #include <linux/i2c.h> 48b07682b6SSantosh Shilimkar #include <linux/i2c/twl.h> 49b07682b6SSantosh Shilimkar 501b8f333fSBenoit Cousson #include "twl-core.h" 51b07682b6SSantosh Shilimkar 52b07682b6SSantosh Shilimkar /* 53b07682b6SSantosh Shilimkar * The TWL4030 "Triton 2" is one of a family of a multi-function "Power 54b07682b6SSantosh Shilimkar * Management and System Companion Device" chips originally designed for 55b07682b6SSantosh Shilimkar * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C, 56b07682b6SSantosh Shilimkar * often at around 3 Mbit/sec, including for interrupt handling. 57b07682b6SSantosh Shilimkar * 58b07682b6SSantosh Shilimkar * This driver core provides genirq support for the interrupts emitted, 59b07682b6SSantosh Shilimkar * by the various modules, and exports register access primitives. 60b07682b6SSantosh Shilimkar * 61b07682b6SSantosh Shilimkar * FIXME this driver currently requires use of the first interrupt line 62b07682b6SSantosh Shilimkar * (and associated registers). 63b07682b6SSantosh Shilimkar */ 64b07682b6SSantosh Shilimkar 65fc7b92fcSBalaji T K #define DRIVER_NAME "twl" 66b07682b6SSantosh Shilimkar 67b07682b6SSantosh Shilimkar /* Triton Core internal information (BEGIN) */ 68b07682b6SSantosh Shilimkar 69fc7b92fcSBalaji T K #define TWL_NUM_SLAVES 4 70b07682b6SSantosh Shilimkar 71fc7b92fcSBalaji T K #define SUB_CHIP_ID0 0 72fc7b92fcSBalaji T K #define SUB_CHIP_ID1 1 73fc7b92fcSBalaji T K #define SUB_CHIP_ID2 2 74fc7b92fcSBalaji T K #define SUB_CHIP_ID3 3 75364cedb2SPeter Ujfalusi #define SUB_CHIP_ID_INVAL 0xff 76fc7b92fcSBalaji T K 77fc7b92fcSBalaji T K #define TWL_MODULE_LAST TWL4030_MODULE_LAST 78fc7b92fcSBalaji T K 79b07682b6SSantosh Shilimkar /* Base Address defns for twl4030_map[] */ 80b07682b6SSantosh Shilimkar 81b07682b6SSantosh Shilimkar /* subchip/slave 0 - USB ID */ 82b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_USB 0x0000 83b07682b6SSantosh Shilimkar 84b07682b6SSantosh Shilimkar /* subchip/slave 1 - AUD ID */ 85b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_AUDIO_VOICE 0x0000 86b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_GPIO 0x0098 87b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INTBR 0x0085 88b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PIH 0x0080 89b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_TEST 0x004C 90b07682b6SSantosh Shilimkar 91b07682b6SSantosh Shilimkar /* subchip/slave 2 - AUX ID */ 92b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INTERRUPTS 0x00B9 93b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_LED 0x00EE 94b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_MADC 0x0000 95b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_MAIN_CHARGE 0x0074 96b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PRECHARGE 0x00AA 97b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWM0 0x00F8 98b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWM1 0x00FB 99b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWMA 0x00EF 100b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PWMB 0x00F1 101b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_KEYPAD 0x00D2 102b07682b6SSantosh Shilimkar 103b07682b6SSantosh Shilimkar #define TWL5031_BASEADD_ACCESSORY 0x0074 /* Replaces Main Charge */ 104b07682b6SSantosh Shilimkar #define TWL5031_BASEADD_INTERRUPTS 0x00B9 /* Different than TWL4030's 105b07682b6SSantosh Shilimkar one */ 106b07682b6SSantosh Shilimkar 107b07682b6SSantosh Shilimkar /* subchip/slave 3 - POWER ID */ 108b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_BACKUP 0x0014 109b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_INT 0x002E 110b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PM_MASTER 0x0036 111b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_PM_RECEIVER 0x005B 112b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_RTC 0x001C 113b07682b6SSantosh Shilimkar #define TWL4030_BASEADD_SECURED_REG 0x0000 114b07682b6SSantosh Shilimkar 115b07682b6SSantosh Shilimkar /* Triton Core internal information (END) */ 116b07682b6SSantosh Shilimkar 117b07682b6SSantosh Shilimkar 118e8deb28cSBalaji T K /* subchip/slave 0 0x48 - POWER */ 119e8deb28cSBalaji T K #define TWL6030_BASEADD_RTC 0x0000 120e8deb28cSBalaji T K #define TWL6030_BASEADD_MEM 0x0017 121e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_MASTER 0x001F 122e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_SLAVE_MISC 0x0030 /* PM_RECEIVER */ 123e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_MISC 0x00E2 124e8deb28cSBalaji T K #define TWL6030_BASEADD_PM_PUPD 0x00F0 125e8deb28cSBalaji T K 126e8deb28cSBalaji T K /* subchip/slave 1 0x49 - FEATURE */ 127e8deb28cSBalaji T K #define TWL6030_BASEADD_USB 0x0000 128e8deb28cSBalaji T K #define TWL6030_BASEADD_GPADC_CTRL 0x002E 129e8deb28cSBalaji T K #define TWL6030_BASEADD_AUX 0x0090 130e8deb28cSBalaji T K #define TWL6030_BASEADD_PWM 0x00BA 131e8deb28cSBalaji T K #define TWL6030_BASEADD_GASGAUGE 0x00C0 132e8deb28cSBalaji T K #define TWL6030_BASEADD_PIH 0x00D0 133e8deb28cSBalaji T K #define TWL6030_BASEADD_CHARGER 0x00E0 134521d8ec3SGraeme Gregory #define TWL6025_BASEADD_CHARGER 0x00DA 135e8deb28cSBalaji T K 136e8deb28cSBalaji T K /* subchip/slave 2 0x4A - DFT */ 137e8deb28cSBalaji T K #define TWL6030_BASEADD_DIEID 0x00C0 138e8deb28cSBalaji T K 139e8deb28cSBalaji T K /* subchip/slave 3 0x4B - AUDIO */ 140e8deb28cSBalaji T K #define TWL6030_BASEADD_AUDIO 0x0000 141e8deb28cSBalaji T K #define TWL6030_BASEADD_RSV 0x0000 142fa0d9762SBalaji T K #define TWL6030_BASEADD_ZERO 0x0000 143e8deb28cSBalaji T K 144b07682b6SSantosh Shilimkar /* Few power values */ 145b07682b6SSantosh Shilimkar #define R_CFG_BOOT 0x05 146b07682b6SSantosh Shilimkar 147b07682b6SSantosh Shilimkar /* some fields in R_CFG_BOOT */ 148b07682b6SSantosh Shilimkar #define HFCLK_FREQ_19p2_MHZ (1 << 0) 149b07682b6SSantosh Shilimkar #define HFCLK_FREQ_26_MHZ (2 << 0) 150b07682b6SSantosh Shilimkar #define HFCLK_FREQ_38p4_MHZ (3 << 0) 151b07682b6SSantosh Shilimkar #define HIGH_PERF_SQ (1 << 3) 152b07682b6SSantosh Shilimkar #define CK32K_LOWPWR_EN (1 << 7) 153b07682b6SSantosh Shilimkar 154b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 155b07682b6SSantosh Shilimkar 156b07682b6SSantosh Shilimkar /* is driver active, bound to a chip? */ 157b07682b6SSantosh Shilimkar static bool inuse; 158b07682b6SSantosh Shilimkar 159ca972d13SLesly A M /* TWL IDCODE Register value */ 160ca972d13SLesly A M static u32 twl_idcode; 161ca972d13SLesly A M 162e8deb28cSBalaji T K static unsigned int twl_id; 163e8deb28cSBalaji T K unsigned int twl_rev(void) 164e8deb28cSBalaji T K { 165e8deb28cSBalaji T K return twl_id; 166e8deb28cSBalaji T K } 167e8deb28cSBalaji T K EXPORT_SYMBOL(twl_rev); 168e8deb28cSBalaji T K 169e8deb28cSBalaji T K /* Structure for each TWL4030/TWL6030 Slave */ 170fc7b92fcSBalaji T K struct twl_client { 171b07682b6SSantosh Shilimkar struct i2c_client *client; 1722473d25aSPeter Ujfalusi struct regmap *regmap; 173b07682b6SSantosh Shilimkar }; 174b07682b6SSantosh Shilimkar 175fc7b92fcSBalaji T K static struct twl_client twl_modules[TWL_NUM_SLAVES]; 176b07682b6SSantosh Shilimkar 177b07682b6SSantosh Shilimkar /* mapping the module id to slave id and base address */ 178fc7b92fcSBalaji T K struct twl_mapping { 179b07682b6SSantosh Shilimkar unsigned char sid; /* Slave ID */ 180b07682b6SSantosh Shilimkar unsigned char base; /* base address */ 181b07682b6SSantosh Shilimkar }; 1822cfcce18SG, Manjunath Kondaiah static struct twl_mapping *twl_map; 183b07682b6SSantosh Shilimkar 184da059ecfSPeter Ujfalusi static struct twl_mapping twl4030_map[] = { 185b07682b6SSantosh Shilimkar /* 186b07682b6SSantosh Shilimkar * NOTE: don't change this table without updating the 187e8deb28cSBalaji T K * <linux/i2c/twl.h> defines for TWL4030_MODULE_* 188b07682b6SSantosh Shilimkar * so they continue to match the order in this table. 189b07682b6SSantosh Shilimkar */ 190b07682b6SSantosh Shilimkar 191b07682b6SSantosh Shilimkar { 0, TWL4030_BASEADD_USB }, 192b07682b6SSantosh Shilimkar 193b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_AUDIO_VOICE }, 194b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_GPIO }, 195b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_INTBR }, 196b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_PIH }, 197b07682b6SSantosh Shilimkar { 1, TWL4030_BASEADD_TEST }, 198b07682b6SSantosh Shilimkar 199b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_KEYPAD }, 200b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_MADC }, 201b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_INTERRUPTS }, 202b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_LED }, 203b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_MAIN_CHARGE }, 204b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PRECHARGE }, 205b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWM0 }, 206b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWM1 }, 207b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWMA }, 208b07682b6SSantosh Shilimkar { 2, TWL4030_BASEADD_PWMB }, 209b07682b6SSantosh Shilimkar { 2, TWL5031_BASEADD_ACCESSORY }, 210b07682b6SSantosh Shilimkar { 2, TWL5031_BASEADD_INTERRUPTS }, 211b07682b6SSantosh Shilimkar 212b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_BACKUP }, 213b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_INT }, 214b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_PM_MASTER }, 215b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_PM_RECEIVER }, 216b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_RTC }, 217b07682b6SSantosh Shilimkar { 3, TWL4030_BASEADD_SECURED_REG }, 218b07682b6SSantosh Shilimkar }; 219b07682b6SSantosh Shilimkar 2202473d25aSPeter Ujfalusi static struct regmap_config twl4030_regmap_config[4] = { 2212473d25aSPeter Ujfalusi { 2222473d25aSPeter Ujfalusi /* Address 0x48 */ 2232473d25aSPeter Ujfalusi .reg_bits = 8, 2242473d25aSPeter Ujfalusi .val_bits = 8, 2252473d25aSPeter Ujfalusi .max_register = 0xff, 2262473d25aSPeter Ujfalusi }, 2272473d25aSPeter Ujfalusi { 2282473d25aSPeter Ujfalusi /* Address 0x49 */ 2292473d25aSPeter Ujfalusi .reg_bits = 8, 2302473d25aSPeter Ujfalusi .val_bits = 8, 2312473d25aSPeter Ujfalusi .max_register = 0xff, 2322473d25aSPeter Ujfalusi }, 2332473d25aSPeter Ujfalusi { 2342473d25aSPeter Ujfalusi /* Address 0x4a */ 2352473d25aSPeter Ujfalusi .reg_bits = 8, 2362473d25aSPeter Ujfalusi .val_bits = 8, 2372473d25aSPeter Ujfalusi .max_register = 0xff, 2382473d25aSPeter Ujfalusi }, 2392473d25aSPeter Ujfalusi { 2402473d25aSPeter Ujfalusi /* Address 0x4b */ 2412473d25aSPeter Ujfalusi .reg_bits = 8, 2422473d25aSPeter Ujfalusi .val_bits = 8, 2432473d25aSPeter Ujfalusi .max_register = 0xff, 2442473d25aSPeter Ujfalusi }, 2452473d25aSPeter Ujfalusi }; 2462473d25aSPeter Ujfalusi 247e8deb28cSBalaji T K static struct twl_mapping twl6030_map[] = { 248e8deb28cSBalaji T K /* 249e8deb28cSBalaji T K * NOTE: don't change this table without updating the 250e8deb28cSBalaji T K * <linux/i2c/twl.h> defines for TWL4030_MODULE_* 251e8deb28cSBalaji T K * so they continue to match the order in this table. 252e8deb28cSBalaji T K */ 253e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_USB }, 254364cedb2SPeter Ujfalusi { SUB_CHIP_ID_INVAL, TWL6030_BASEADD_AUDIO }, 255e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_DIEID }, 256e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 257e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_PIH }, 258e8deb28cSBalaji T K 259e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 260e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 261e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_GPADC_CTRL }, 262e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 263e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 264e8deb28cSBalaji T K 265e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_CHARGER }, 266e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_GASGAUGE }, 267e8deb28cSBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_PWM }, 268fa0d9762SBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_ZERO }, 269fa0d9762SBalaji T K { SUB_CHIP_ID1, TWL6030_BASEADD_ZERO }, 270e8deb28cSBalaji T K 271fa0d9762SBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_ZERO }, 272fa0d9762SBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_ZERO }, 273e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 274e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 275e8deb28cSBalaji T K { SUB_CHIP_ID2, TWL6030_BASEADD_RSV }, 276e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_PM_MASTER }, 277e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_PM_SLAVE_MISC }, 278e8deb28cSBalaji T K 279e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_RTC }, 280e8deb28cSBalaji T K { SUB_CHIP_ID0, TWL6030_BASEADD_MEM }, 281521d8ec3SGraeme Gregory { SUB_CHIP_ID1, TWL6025_BASEADD_CHARGER }, 282e8deb28cSBalaji T K }; 283e8deb28cSBalaji T K 2842473d25aSPeter Ujfalusi static struct regmap_config twl6030_regmap_config[3] = { 2852473d25aSPeter Ujfalusi { 2862473d25aSPeter Ujfalusi /* Address 0x48 */ 2872473d25aSPeter Ujfalusi .reg_bits = 8, 2882473d25aSPeter Ujfalusi .val_bits = 8, 2892473d25aSPeter Ujfalusi .max_register = 0xff, 2902473d25aSPeter Ujfalusi }, 2912473d25aSPeter Ujfalusi { 2922473d25aSPeter Ujfalusi /* Address 0x49 */ 2932473d25aSPeter Ujfalusi .reg_bits = 8, 2942473d25aSPeter Ujfalusi .val_bits = 8, 2952473d25aSPeter Ujfalusi .max_register = 0xff, 2962473d25aSPeter Ujfalusi }, 2972473d25aSPeter Ujfalusi { 2982473d25aSPeter Ujfalusi /* Address 0x4a */ 2992473d25aSPeter Ujfalusi .reg_bits = 8, 3002473d25aSPeter Ujfalusi .val_bits = 8, 3012473d25aSPeter Ujfalusi .max_register = 0xff, 3022473d25aSPeter Ujfalusi }, 3032473d25aSPeter Ujfalusi }; 3042473d25aSPeter Ujfalusi 305b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 306b07682b6SSantosh Shilimkar 307b07682b6SSantosh Shilimkar /* Exported Functions */ 308b07682b6SSantosh Shilimkar 309b07682b6SSantosh Shilimkar /** 310fc7b92fcSBalaji T K * twl_i2c_write - Writes a n bit register in TWL4030/TWL5030/TWL60X0 311b07682b6SSantosh Shilimkar * @mod_no: module number 312b07682b6SSantosh Shilimkar * @value: an array of num_bytes+1 containing data to write 313b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 314b07682b6SSantosh Shilimkar * @num_bytes: number of bytes to transfer 315b07682b6SSantosh Shilimkar * 316b07682b6SSantosh Shilimkar * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and 317b07682b6SSantosh Shilimkar * valid data starts at Offset 1. 318b07682b6SSantosh Shilimkar * 319b07682b6SSantosh Shilimkar * Returns the result of operation - 0 is success 320b07682b6SSantosh Shilimkar */ 321fc7b92fcSBalaji T K int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 322b07682b6SSantosh Shilimkar { 323b07682b6SSantosh Shilimkar int ret; 324b07682b6SSantosh Shilimkar int sid; 325fc7b92fcSBalaji T K struct twl_client *twl; 326b07682b6SSantosh Shilimkar 327da059ecfSPeter Ujfalusi if (unlikely(mod_no >= TWL_MODULE_LAST)) { 328b07682b6SSantosh Shilimkar pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 329b07682b6SSantosh Shilimkar return -EPERM; 330b07682b6SSantosh Shilimkar } 3318653be1aSIlya Yanok if (unlikely(!inuse)) { 3328653be1aSIlya Yanok pr_err("%s: not initialized\n", DRIVER_NAME); 3338653be1aSIlya Yanok return -EPERM; 3348653be1aSIlya Yanok } 335e8deb28cSBalaji T K sid = twl_map[mod_no].sid; 336364cedb2SPeter Ujfalusi if (unlikely(sid == SUB_CHIP_ID_INVAL)) { 337364cedb2SPeter Ujfalusi pr_err("%s: module %d is not part of the pmic\n", 338364cedb2SPeter Ujfalusi DRIVER_NAME, mod_no); 339364cedb2SPeter Ujfalusi return -EINVAL; 340364cedb2SPeter Ujfalusi } 341fc7b92fcSBalaji T K twl = &twl_modules[sid]; 342b07682b6SSantosh Shilimkar 3432473d25aSPeter Ujfalusi ret = regmap_bulk_write(twl->regmap, twl_map[mod_no].base + reg, 34414591d88SPeter Ujfalusi value, num_bytes); 345b07682b6SSantosh Shilimkar 3462473d25aSPeter Ujfalusi if (ret) 3472473d25aSPeter Ujfalusi pr_err("%s: Write failed (mod %d, reg 0x%02x count %d)\n", 3482473d25aSPeter Ujfalusi DRIVER_NAME, mod_no, reg, num_bytes); 3492473d25aSPeter Ujfalusi 350b07682b6SSantosh Shilimkar return ret; 351b07682b6SSantosh Shilimkar } 352fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_write); 353b07682b6SSantosh Shilimkar 354b07682b6SSantosh Shilimkar /** 355fc7b92fcSBalaji T K * twl_i2c_read - Reads a n bit register in TWL4030/TWL5030/TWL60X0 356b07682b6SSantosh Shilimkar * @mod_no: module number 357b07682b6SSantosh Shilimkar * @value: an array of num_bytes containing data to be read 358b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 359b07682b6SSantosh Shilimkar * @num_bytes: number of bytes to transfer 360b07682b6SSantosh Shilimkar * 361b07682b6SSantosh Shilimkar * Returns result of operation - num_bytes is success else failure. 362b07682b6SSantosh Shilimkar */ 363fc7b92fcSBalaji T K int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) 364b07682b6SSantosh Shilimkar { 365b07682b6SSantosh Shilimkar int ret; 366b07682b6SSantosh Shilimkar int sid; 367fc7b92fcSBalaji T K struct twl_client *twl; 368b07682b6SSantosh Shilimkar 369da059ecfSPeter Ujfalusi if (unlikely(mod_no >= TWL_MODULE_LAST)) { 370b07682b6SSantosh Shilimkar pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); 371b07682b6SSantosh Shilimkar return -EPERM; 372b07682b6SSantosh Shilimkar } 3738653be1aSIlya Yanok if (unlikely(!inuse)) { 3748653be1aSIlya Yanok pr_err("%s: not initialized\n", DRIVER_NAME); 3758653be1aSIlya Yanok return -EPERM; 3768653be1aSIlya Yanok } 377e8deb28cSBalaji T K sid = twl_map[mod_no].sid; 378364cedb2SPeter Ujfalusi if (unlikely(sid == SUB_CHIP_ID_INVAL)) { 379364cedb2SPeter Ujfalusi pr_err("%s: module %d is not part of the pmic\n", 380364cedb2SPeter Ujfalusi DRIVER_NAME, mod_no); 381364cedb2SPeter Ujfalusi return -EINVAL; 382364cedb2SPeter Ujfalusi } 383fc7b92fcSBalaji T K twl = &twl_modules[sid]; 384b07682b6SSantosh Shilimkar 3852473d25aSPeter Ujfalusi ret = regmap_bulk_read(twl->regmap, twl_map[mod_no].base + reg, 3862473d25aSPeter Ujfalusi value, num_bytes); 387b07682b6SSantosh Shilimkar 3882473d25aSPeter Ujfalusi if (ret) 3892473d25aSPeter Ujfalusi pr_err("%s: Read failed (mod %d, reg 0x%02x count %d)\n", 3902473d25aSPeter Ujfalusi DRIVER_NAME, mod_no, reg, num_bytes); 3912473d25aSPeter Ujfalusi 392b07682b6SSantosh Shilimkar return ret; 393b07682b6SSantosh Shilimkar } 394fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_read); 395b07682b6SSantosh Shilimkar 396b07682b6SSantosh Shilimkar /** 397fc7b92fcSBalaji T K * twl_i2c_write_u8 - Writes a 8 bit register in TWL4030/TWL5030/TWL60X0 398b07682b6SSantosh Shilimkar * @mod_no: module number 399b07682b6SSantosh Shilimkar * @value: the value to be written 8 bit 400b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 401b07682b6SSantosh Shilimkar * 402b07682b6SSantosh Shilimkar * Returns result of operation - 0 is success 403b07682b6SSantosh Shilimkar */ 404fc7b92fcSBalaji T K int twl_i2c_write_u8(u8 mod_no, u8 value, u8 reg) 405b07682b6SSantosh Shilimkar { 40614591d88SPeter Ujfalusi return twl_i2c_write(mod_no, &value, reg, 1); 407b07682b6SSantosh Shilimkar } 408fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_write_u8); 409b07682b6SSantosh Shilimkar 410b07682b6SSantosh Shilimkar /** 411fc7b92fcSBalaji T K * twl_i2c_read_u8 - Reads a 8 bit register from TWL4030/TWL5030/TWL60X0 412b07682b6SSantosh Shilimkar * @mod_no: module number 413b07682b6SSantosh Shilimkar * @value: the value read 8 bit 414b07682b6SSantosh Shilimkar * @reg: register address (just offset will do) 415b07682b6SSantosh Shilimkar * 416b07682b6SSantosh Shilimkar * Returns result of operation - 0 is success 417b07682b6SSantosh Shilimkar */ 418fc7b92fcSBalaji T K int twl_i2c_read_u8(u8 mod_no, u8 *value, u8 reg) 419b07682b6SSantosh Shilimkar { 420fc7b92fcSBalaji T K return twl_i2c_read(mod_no, value, reg, 1); 421b07682b6SSantosh Shilimkar } 422fc7b92fcSBalaji T K EXPORT_SYMBOL(twl_i2c_read_u8); 423b07682b6SSantosh Shilimkar 424b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 425b07682b6SSantosh Shilimkar 426ca972d13SLesly A M /** 427ca972d13SLesly A M * twl_read_idcode_register - API to read the IDCODE register. 428ca972d13SLesly A M * 429ca972d13SLesly A M * Unlocks the IDCODE register and read the 32 bit value. 430ca972d13SLesly A M */ 431ca972d13SLesly A M static int twl_read_idcode_register(void) 432ca972d13SLesly A M { 433ca972d13SLesly A M int err; 434ca972d13SLesly A M 435ca972d13SLesly A M err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, TWL_EEPROM_R_UNLOCK, 436ca972d13SLesly A M REG_UNLOCK_TEST_REG); 437ca972d13SLesly A M if (err) { 438ca972d13SLesly A M pr_err("TWL4030 Unable to unlock IDCODE registers -%d\n", err); 439ca972d13SLesly A M goto fail; 440ca972d13SLesly A M } 441ca972d13SLesly A M 442ca972d13SLesly A M err = twl_i2c_read(TWL4030_MODULE_INTBR, (u8 *)(&twl_idcode), 443ca972d13SLesly A M REG_IDCODE_7_0, 4); 444ca972d13SLesly A M if (err) { 445ca972d13SLesly A M pr_err("TWL4030: unable to read IDCODE -%d\n", err); 446ca972d13SLesly A M goto fail; 447ca972d13SLesly A M } 448ca972d13SLesly A M 449ca972d13SLesly A M err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, 0x0, REG_UNLOCK_TEST_REG); 450ca972d13SLesly A M if (err) 451ca972d13SLesly A M pr_err("TWL4030 Unable to relock IDCODE registers -%d\n", err); 452ca972d13SLesly A M fail: 453ca972d13SLesly A M return err; 454ca972d13SLesly A M } 455ca972d13SLesly A M 456ca972d13SLesly A M /** 457ca972d13SLesly A M * twl_get_type - API to get TWL Si type. 458ca972d13SLesly A M * 459ca972d13SLesly A M * Api to get the TWL Si type from IDCODE value. 460ca972d13SLesly A M */ 461ca972d13SLesly A M int twl_get_type(void) 462ca972d13SLesly A M { 463ca972d13SLesly A M return TWL_SIL_TYPE(twl_idcode); 464ca972d13SLesly A M } 465ca972d13SLesly A M EXPORT_SYMBOL_GPL(twl_get_type); 466ca972d13SLesly A M 467ca972d13SLesly A M /** 468ca972d13SLesly A M * twl_get_version - API to get TWL Si version. 469ca972d13SLesly A M * 470ca972d13SLesly A M * Api to get the TWL Si version from IDCODE value. 471ca972d13SLesly A M */ 472ca972d13SLesly A M int twl_get_version(void) 473ca972d13SLesly A M { 474ca972d13SLesly A M return TWL_SIL_REV(twl_idcode); 475ca972d13SLesly A M } 476ca972d13SLesly A M EXPORT_SYMBOL_GPL(twl_get_version); 477ca972d13SLesly A M 4782275c544SPeter Ujfalusi /** 4792275c544SPeter Ujfalusi * twl_get_hfclk_rate - API to get TWL external HFCLK clock rate. 4802275c544SPeter Ujfalusi * 4812275c544SPeter Ujfalusi * Api to get the TWL HFCLK rate based on BOOT_CFG register. 4822275c544SPeter Ujfalusi */ 4832275c544SPeter Ujfalusi int twl_get_hfclk_rate(void) 4842275c544SPeter Ujfalusi { 4852275c544SPeter Ujfalusi u8 ctrl; 4862275c544SPeter Ujfalusi int rate; 4872275c544SPeter Ujfalusi 4882275c544SPeter Ujfalusi twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT); 4892275c544SPeter Ujfalusi 4902275c544SPeter Ujfalusi switch (ctrl & 0x3) { 4912275c544SPeter Ujfalusi case HFCLK_FREQ_19p2_MHZ: 4922275c544SPeter Ujfalusi rate = 19200000; 4932275c544SPeter Ujfalusi break; 4942275c544SPeter Ujfalusi case HFCLK_FREQ_26_MHZ: 4952275c544SPeter Ujfalusi rate = 26000000; 4962275c544SPeter Ujfalusi break; 4972275c544SPeter Ujfalusi case HFCLK_FREQ_38p4_MHZ: 4982275c544SPeter Ujfalusi rate = 38400000; 4992275c544SPeter Ujfalusi break; 5002275c544SPeter Ujfalusi default: 5012275c544SPeter Ujfalusi pr_err("TWL4030: HFCLK is not configured\n"); 5022275c544SPeter Ujfalusi rate = -EINVAL; 5032275c544SPeter Ujfalusi break; 5042275c544SPeter Ujfalusi } 5052275c544SPeter Ujfalusi 5062275c544SPeter Ujfalusi return rate; 5072275c544SPeter Ujfalusi } 5082275c544SPeter Ujfalusi EXPORT_SYMBOL_GPL(twl_get_hfclk_rate); 5092275c544SPeter Ujfalusi 510b07682b6SSantosh Shilimkar static struct device * 511b07682b6SSantosh Shilimkar add_numbered_child(unsigned chip, const char *name, int num, 512b07682b6SSantosh Shilimkar void *pdata, unsigned pdata_len, 513b07682b6SSantosh Shilimkar bool can_wakeup, int irq0, int irq1) 514b07682b6SSantosh Shilimkar { 515b07682b6SSantosh Shilimkar struct platform_device *pdev; 516fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[chip]; 517b07682b6SSantosh Shilimkar int status; 518b07682b6SSantosh Shilimkar 519b07682b6SSantosh Shilimkar pdev = platform_device_alloc(name, num); 520b07682b6SSantosh Shilimkar if (!pdev) { 521b07682b6SSantosh Shilimkar dev_dbg(&twl->client->dev, "can't alloc dev\n"); 522b07682b6SSantosh Shilimkar status = -ENOMEM; 523b07682b6SSantosh Shilimkar goto err; 524b07682b6SSantosh Shilimkar } 525b07682b6SSantosh Shilimkar 526b07682b6SSantosh Shilimkar pdev->dev.parent = &twl->client->dev; 527b07682b6SSantosh Shilimkar 528b07682b6SSantosh Shilimkar if (pdata) { 529b07682b6SSantosh Shilimkar status = platform_device_add_data(pdev, pdata, pdata_len); 530b07682b6SSantosh Shilimkar if (status < 0) { 531b07682b6SSantosh Shilimkar dev_dbg(&pdev->dev, "can't add platform_data\n"); 532b07682b6SSantosh Shilimkar goto err; 533b07682b6SSantosh Shilimkar } 534b07682b6SSantosh Shilimkar } 535b07682b6SSantosh Shilimkar 536b07682b6SSantosh Shilimkar if (irq0) { 537b07682b6SSantosh Shilimkar struct resource r[2] = { 538b07682b6SSantosh Shilimkar { .start = irq0, .flags = IORESOURCE_IRQ, }, 539b07682b6SSantosh Shilimkar { .start = irq1, .flags = IORESOURCE_IRQ, }, 540b07682b6SSantosh Shilimkar }; 541b07682b6SSantosh Shilimkar 542b07682b6SSantosh Shilimkar status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); 543b07682b6SSantosh Shilimkar if (status < 0) { 544b07682b6SSantosh Shilimkar dev_dbg(&pdev->dev, "can't add irqs\n"); 545b07682b6SSantosh Shilimkar goto err; 546b07682b6SSantosh Shilimkar } 547b07682b6SSantosh Shilimkar } 548b07682b6SSantosh Shilimkar 549b07682b6SSantosh Shilimkar status = platform_device_add(pdev); 55017ffba6aSNeilBrown if (status == 0) 55117ffba6aSNeilBrown device_init_wakeup(&pdev->dev, can_wakeup); 552b07682b6SSantosh Shilimkar 553b07682b6SSantosh Shilimkar err: 554b07682b6SSantosh Shilimkar if (status < 0) { 555b07682b6SSantosh Shilimkar platform_device_put(pdev); 556b07682b6SSantosh Shilimkar dev_err(&twl->client->dev, "can't add %s dev\n", name); 557b07682b6SSantosh Shilimkar return ERR_PTR(status); 558b07682b6SSantosh Shilimkar } 559b07682b6SSantosh Shilimkar return &pdev->dev; 560b07682b6SSantosh Shilimkar } 561b07682b6SSantosh Shilimkar 562b07682b6SSantosh Shilimkar static inline struct device *add_child(unsigned chip, const char *name, 563b07682b6SSantosh Shilimkar void *pdata, unsigned pdata_len, 564b07682b6SSantosh Shilimkar bool can_wakeup, int irq0, int irq1) 565b07682b6SSantosh Shilimkar { 566b07682b6SSantosh Shilimkar return add_numbered_child(chip, name, -1, pdata, pdata_len, 567b07682b6SSantosh Shilimkar can_wakeup, irq0, irq1); 568b07682b6SSantosh Shilimkar } 569b07682b6SSantosh Shilimkar 570b07682b6SSantosh Shilimkar static struct device * 571b07682b6SSantosh Shilimkar add_regulator_linked(int num, struct regulator_init_data *pdata, 572b07682b6SSantosh Shilimkar struct regulator_consumer_supply *consumers, 573521d8ec3SGraeme Gregory unsigned num_consumers, unsigned long features) 574b07682b6SSantosh Shilimkar { 575e8deb28cSBalaji T K unsigned sub_chip_id; 57663bfff4eSTero Kristo struct twl_regulator_driver_data drv_data; 57763bfff4eSTero Kristo 578b07682b6SSantosh Shilimkar /* regulator framework demands init_data ... */ 579b07682b6SSantosh Shilimkar if (!pdata) 580b07682b6SSantosh Shilimkar return NULL; 581b07682b6SSantosh Shilimkar 582b07682b6SSantosh Shilimkar if (consumers) { 583b07682b6SSantosh Shilimkar pdata->consumer_supplies = consumers; 584b07682b6SSantosh Shilimkar pdata->num_consumer_supplies = num_consumers; 585b07682b6SSantosh Shilimkar } 586b07682b6SSantosh Shilimkar 58763bfff4eSTero Kristo if (pdata->driver_data) { 58863bfff4eSTero Kristo /* If we have existing drv_data, just add the flags */ 58963bfff4eSTero Kristo struct twl_regulator_driver_data *tmp; 59063bfff4eSTero Kristo tmp = pdata->driver_data; 59163bfff4eSTero Kristo tmp->features |= features; 59263bfff4eSTero Kristo } else { 59363bfff4eSTero Kristo /* add new driver data struct, used only during init */ 59463bfff4eSTero Kristo drv_data.features = features; 59563bfff4eSTero Kristo drv_data.set_voltage = NULL; 59663bfff4eSTero Kristo drv_data.get_voltage = NULL; 59763bfff4eSTero Kristo drv_data.data = NULL; 59863bfff4eSTero Kristo pdata->driver_data = &drv_data; 59963bfff4eSTero Kristo } 600521d8ec3SGraeme Gregory 601b07682b6SSantosh Shilimkar /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ 602e8deb28cSBalaji T K sub_chip_id = twl_map[TWL_MODULE_PM_MASTER].sid; 603e8deb28cSBalaji T K return add_numbered_child(sub_chip_id, "twl_reg", num, 604b07682b6SSantosh Shilimkar pdata, sizeof(*pdata), false, 0, 0); 605b07682b6SSantosh Shilimkar } 606b07682b6SSantosh Shilimkar 607b07682b6SSantosh Shilimkar static struct device * 608521d8ec3SGraeme Gregory add_regulator(int num, struct regulator_init_data *pdata, 609521d8ec3SGraeme Gregory unsigned long features) 610b07682b6SSantosh Shilimkar { 611521d8ec3SGraeme Gregory return add_regulator_linked(num, pdata, NULL, 0, features); 612b07682b6SSantosh Shilimkar } 613b07682b6SSantosh Shilimkar 614b07682b6SSantosh Shilimkar /* 615b07682b6SSantosh Shilimkar * NOTE: We know the first 8 IRQs after pdata->base_irq are 616b07682b6SSantosh Shilimkar * for the PIH, and the next are for the PWR_INT SIH, since 617b07682b6SSantosh Shilimkar * that's how twl_init_irq() sets things up. 618b07682b6SSantosh Shilimkar */ 619b07682b6SSantosh Shilimkar 620b07682b6SSantosh Shilimkar static int 6219e178620SFelipe Balbi add_children(struct twl4030_platform_data *pdata, unsigned irq_base, 6229e178620SFelipe Balbi unsigned long features) 623b07682b6SSantosh Shilimkar { 624b07682b6SSantosh Shilimkar struct device *child; 625e8deb28cSBalaji T K unsigned sub_chip_id; 626b07682b6SSantosh Shilimkar 627f78959cfSThierry Reding if (IS_ENABLED(CONFIG_GPIO_TWL4030) && pdata->gpio) { 628fc7b92fcSBalaji T K child = add_child(SUB_CHIP_ID1, "twl4030_gpio", 629b07682b6SSantosh Shilimkar pdata->gpio, sizeof(*pdata->gpio), 6309e178620SFelipe Balbi false, irq_base + GPIO_INTR_OFFSET, 0); 631b07682b6SSantosh Shilimkar if (IS_ERR(child)) 632b07682b6SSantosh Shilimkar return PTR_ERR(child); 633b07682b6SSantosh Shilimkar } 634b07682b6SSantosh Shilimkar 635f78959cfSThierry Reding if (IS_ENABLED(CONFIG_KEYBOARD_TWL4030) && pdata->keypad) { 636fc7b92fcSBalaji T K child = add_child(SUB_CHIP_ID2, "twl4030_keypad", 637b07682b6SSantosh Shilimkar pdata->keypad, sizeof(*pdata->keypad), 6389e178620SFelipe Balbi true, irq_base + KEYPAD_INTR_OFFSET, 0); 639b07682b6SSantosh Shilimkar if (IS_ERR(child)) 640b07682b6SSantosh Shilimkar return PTR_ERR(child); 641b07682b6SSantosh Shilimkar } 642b07682b6SSantosh Shilimkar 64324ae36f5SPeter Ujfalusi if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc && 64424ae36f5SPeter Ujfalusi twl_class_is_4030()) { 6452d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID2, "twl4030_madc", 646b07682b6SSantosh Shilimkar pdata->madc, sizeof(*pdata->madc), 6479e178620SFelipe Balbi true, irq_base + MADC_INTR_OFFSET, 0); 648b07682b6SSantosh Shilimkar if (IS_ERR(child)) 649b07682b6SSantosh Shilimkar return PTR_ERR(child); 650b07682b6SSantosh Shilimkar } 651b07682b6SSantosh Shilimkar 652f78959cfSThierry Reding if (IS_ENABLED(CONFIG_RTC_DRV_TWL4030)) { 653b07682b6SSantosh Shilimkar /* 654b07682b6SSantosh Shilimkar * REVISIT platform_data here currently might expose the 655b07682b6SSantosh Shilimkar * "msecure" line ... but for now we just expect board 656b07682b6SSantosh Shilimkar * setup to tell the chip "it's always ok to SET_TIME". 657b07682b6SSantosh Shilimkar * Eventually, Linux might become more aware of such 658b07682b6SSantosh Shilimkar * HW security concerns, and "least privilege". 659b07682b6SSantosh Shilimkar */ 660e8deb28cSBalaji T K sub_chip_id = twl_map[TWL_MODULE_RTC].sid; 6612d86ad37SPeter Ujfalusi child = add_child(sub_chip_id, "twl_rtc", NULL, 0, 6629e178620SFelipe Balbi true, irq_base + RTC_INTR_OFFSET, 0); 663b07682b6SSantosh Shilimkar if (IS_ERR(child)) 664b07682b6SSantosh Shilimkar return PTR_ERR(child); 665b07682b6SSantosh Shilimkar } 666b07682b6SSantosh Shilimkar 667afc45898SPeter Ujfalusi if (IS_ENABLED(CONFIG_PWM_TWL)) { 668afc45898SPeter Ujfalusi child = add_child(SUB_CHIP_ID1, "twl-pwm", NULL, 0, 669afc45898SPeter Ujfalusi false, 0, 0); 670afc45898SPeter Ujfalusi if (IS_ERR(child)) 671afc45898SPeter Ujfalusi return PTR_ERR(child); 672afc45898SPeter Ujfalusi } 673afc45898SPeter Ujfalusi 674afc45898SPeter Ujfalusi if (IS_ENABLED(CONFIG_PWM_TWL_LED)) { 675afc45898SPeter Ujfalusi child = add_child(SUB_CHIP_ID1, "twl-pwmled", NULL, 0, 67648a364b7SThierry Reding false, 0, 0); 67748a364b7SThierry Reding if (IS_ERR(child)) 67848a364b7SThierry Reding return PTR_ERR(child); 67948a364b7SThierry Reding } 68048a364b7SThierry Reding 681f78959cfSThierry Reding if (IS_ENABLED(CONFIG_TWL4030_USB) && pdata->usb && 682f78959cfSThierry Reding twl_class_is_4030()) { 683b07682b6SSantosh Shilimkar 684b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb1v5 = { 685b07682b6SSantosh Shilimkar .supply = "usb1v5", 686b07682b6SSantosh Shilimkar }; 687b07682b6SSantosh Shilimkar static struct regulator_consumer_supply usb1v8 = { 688b07682b6SSantosh Shilimkar .supply = "usb1v8", 689b07682b6SSantosh Shilimkar }; 690ab37813fSNeilBrown static struct regulator_consumer_supply usb3v1[] = { 691ab37813fSNeilBrown { .supply = "usb3v1" }, 692ab37813fSNeilBrown { .supply = "bci3v1" }, 693b07682b6SSantosh Shilimkar }; 694b07682b6SSantosh Shilimkar 695b07682b6SSantosh Shilimkar /* First add the regulators so that they can be used by transceiver */ 696f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { 697b07682b6SSantosh Shilimkar /* this is a template that gets copied */ 698b07682b6SSantosh Shilimkar struct regulator_init_data usb_fixed = { 699b07682b6SSantosh Shilimkar .constraints.valid_modes_mask = 700b07682b6SSantosh Shilimkar REGULATOR_MODE_NORMAL 701b07682b6SSantosh Shilimkar | REGULATOR_MODE_STANDBY, 702b07682b6SSantosh Shilimkar .constraints.valid_ops_mask = 703b07682b6SSantosh Shilimkar REGULATOR_CHANGE_MODE 704b07682b6SSantosh Shilimkar | REGULATOR_CHANGE_STATUS, 705b07682b6SSantosh Shilimkar }; 706b07682b6SSantosh Shilimkar 707b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB1V5, 708521d8ec3SGraeme Gregory &usb_fixed, &usb1v5, 1, 709521d8ec3SGraeme Gregory features); 710b07682b6SSantosh Shilimkar if (IS_ERR(child)) 711b07682b6SSantosh Shilimkar return PTR_ERR(child); 712b07682b6SSantosh Shilimkar 713b07682b6SSantosh Shilimkar child = add_regulator_linked(TWL4030_REG_VUSB1V8, 714521d8ec3SGraeme Gregory &usb_fixed, &usb1v8, 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_VUSB3V1, 720ab37813fSNeilBrown &usb_fixed, usb3v1, 2, 721521d8ec3SGraeme Gregory features); 722b07682b6SSantosh Shilimkar if (IS_ERR(child)) 723b07682b6SSantosh Shilimkar return PTR_ERR(child); 724b07682b6SSantosh Shilimkar 725b07682b6SSantosh Shilimkar } 726b07682b6SSantosh Shilimkar 7272d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID0, "twl4030_usb", 7282d86ad37SPeter Ujfalusi pdata->usb, sizeof(*pdata->usb), true, 729b07682b6SSantosh Shilimkar /* irq0 = USB_PRES, irq1 = USB */ 7309e178620SFelipe Balbi irq_base + USB_PRES_INTR_OFFSET, 7319e178620SFelipe Balbi irq_base + USB_INTR_OFFSET); 732b07682b6SSantosh Shilimkar 733b07682b6SSantosh Shilimkar if (IS_ERR(child)) 734b07682b6SSantosh Shilimkar return PTR_ERR(child); 735b07682b6SSantosh Shilimkar 736b07682b6SSantosh Shilimkar /* we need to connect regulators to this transceiver */ 737f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) { 7381b65fa84SMark Brown usb1v5.dev_name = dev_name(child); 7391b65fa84SMark Brown usb1v8.dev_name = dev_name(child); 740ab37813fSNeilBrown usb3v1[0].dev_name = dev_name(child); 741b07682b6SSantosh Shilimkar } 742b07682b6SSantosh Shilimkar } 743f78959cfSThierry Reding if (IS_ENABLED(CONFIG_TWL6030_USB) && pdata->usb && 744f78959cfSThierry Reding twl_class_is_6030()) { 745e70357e3SHema HK 746521d8ec3SGraeme Gregory static struct regulator_consumer_supply usb3v3; 747521d8ec3SGraeme Gregory int regulator; 748e70357e3SHema HK 749f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { 750e70357e3SHema HK /* this is a template that gets copied */ 751e70357e3SHema HK struct regulator_init_data usb_fixed = { 752e70357e3SHema HK .constraints.valid_modes_mask = 753e70357e3SHema HK REGULATOR_MODE_NORMAL 754e70357e3SHema HK | REGULATOR_MODE_STANDBY, 755e70357e3SHema HK .constraints.valid_ops_mask = 756e70357e3SHema HK REGULATOR_CHANGE_MODE 757e70357e3SHema HK | REGULATOR_CHANGE_STATUS, 758e70357e3SHema HK }; 759e70357e3SHema HK 760521d8ec3SGraeme Gregory if (features & TWL6025_SUBCLASS) { 761521d8ec3SGraeme Gregory usb3v3.supply = "ldousb"; 762521d8ec3SGraeme Gregory regulator = TWL6025_REG_LDOUSB; 763521d8ec3SGraeme Gregory } else { 764521d8ec3SGraeme Gregory usb3v3.supply = "vusb"; 765521d8ec3SGraeme Gregory regulator = TWL6030_REG_VUSB; 766521d8ec3SGraeme Gregory } 767521d8ec3SGraeme Gregory child = add_regulator_linked(regulator, &usb_fixed, 768521d8ec3SGraeme Gregory &usb3v3, 1, 769521d8ec3SGraeme Gregory features); 770e70357e3SHema HK if (IS_ERR(child)) 771e70357e3SHema HK return PTR_ERR(child); 772e70357e3SHema HK } 773e70357e3SHema HK 774521d8ec3SGraeme Gregory pdata->usb->features = features; 775521d8ec3SGraeme Gregory 7762d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID0, "twl6030_usb", 7772d86ad37SPeter Ujfalusi pdata->usb, sizeof(*pdata->usb), true, 778e70357e3SHema HK /* irq1 = VBUS_PRES, irq0 = USB ID */ 7799e178620SFelipe Balbi irq_base + USBOTG_INTR_OFFSET, 7809e178620SFelipe Balbi irq_base + USB_PRES_INTR_OFFSET); 781e70357e3SHema HK 782e70357e3SHema HK if (IS_ERR(child)) 783e70357e3SHema HK return PTR_ERR(child); 784e70357e3SHema HK /* we need to connect regulators to this transceiver */ 785f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) 7861b65fa84SMark Brown usb3v3.dev_name = dev_name(child); 787f78959cfSThierry Reding } else if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && 788f78959cfSThierry Reding twl_class_is_6030()) { 789521d8ec3SGraeme Gregory if (features & TWL6025_SUBCLASS) 790521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDOUSB, 791521d8ec3SGraeme Gregory pdata->ldousb, features); 792521d8ec3SGraeme Gregory else 793521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VUSB, 794521d8ec3SGraeme Gregory pdata->vusb, features); 795e70357e3SHema HK 796521d8ec3SGraeme Gregory if (IS_ERR(child)) 797521d8ec3SGraeme Gregory return PTR_ERR(child); 798e70357e3SHema HK } 799b07682b6SSantosh Shilimkar 800f78959cfSThierry Reding if (IS_ENABLED(CONFIG_TWL4030_WATCHDOG) && twl_class_is_4030()) { 8012d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID3, "twl4030_wdt", NULL, 0, 8022d86ad37SPeter Ujfalusi false, 0, 0); 803b07682b6SSantosh Shilimkar if (IS_ERR(child)) 804b07682b6SSantosh Shilimkar return PTR_ERR(child); 805b07682b6SSantosh Shilimkar } 806b07682b6SSantosh Shilimkar 807f78959cfSThierry Reding if (IS_ENABLED(CONFIG_INPUT_TWL4030_PWRBUTTON) && twl_class_is_4030()) { 8082d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID3, "twl4030_pwrbutton", NULL, 0, 8092d86ad37SPeter Ujfalusi true, irq_base + 8 + 0, 0); 810b07682b6SSantosh Shilimkar if (IS_ERR(child)) 811b07682b6SSantosh Shilimkar return PTR_ERR(child); 812b07682b6SSantosh Shilimkar } 813b07682b6SSantosh Shilimkar 814f78959cfSThierry Reding if (IS_ENABLED(CONFIG_MFD_TWL4030_AUDIO) && pdata->audio && 815f78959cfSThierry Reding twl_class_is_4030()) { 8162d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID1, "twl4030-audio", 8174ae6df5eSPeter Ujfalusi pdata->audio, sizeof(*pdata->audio), 818d62abe56SMisael Lopez Cruz false, 0, 0); 819d62abe56SMisael Lopez Cruz if (IS_ERR(child)) 820d62abe56SMisael Lopez Cruz return PTR_ERR(child); 821d62abe56SMisael Lopez Cruz } 822d62abe56SMisael Lopez Cruz 8239da66539SRajendra Nayak /* twl4030 regulators */ 824f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_4030()) { 825521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1, 826521d8ec3SGraeme Gregory features); 827b07682b6SSantosh Shilimkar if (IS_ERR(child)) 828b07682b6SSantosh Shilimkar return PTR_ERR(child); 829b07682b6SSantosh Shilimkar 830521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VIO, pdata->vio, 831521d8ec3SGraeme Gregory features); 832b07682b6SSantosh Shilimkar if (IS_ERR(child)) 833b07682b6SSantosh Shilimkar return PTR_ERR(child); 834b07682b6SSantosh Shilimkar 835521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VDD1, pdata->vdd1, 836521d8ec3SGraeme Gregory features); 837b07682b6SSantosh Shilimkar if (IS_ERR(child)) 838b07682b6SSantosh Shilimkar return PTR_ERR(child); 839b07682b6SSantosh Shilimkar 840521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VDD2, pdata->vdd2, 841521d8ec3SGraeme Gregory features); 842b07682b6SSantosh Shilimkar if (IS_ERR(child)) 843b07682b6SSantosh Shilimkar return PTR_ERR(child); 844b07682b6SSantosh Shilimkar 845521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1, 846521d8ec3SGraeme Gregory features); 847b07682b6SSantosh Shilimkar if (IS_ERR(child)) 848b07682b6SSantosh Shilimkar return PTR_ERR(child); 849b07682b6SSantosh Shilimkar 850521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VDAC, pdata->vdac, 851521d8ec3SGraeme Gregory features); 852b07682b6SSantosh Shilimkar if (IS_ERR(child)) 853b07682b6SSantosh Shilimkar return PTR_ERR(child); 854b07682b6SSantosh Shilimkar 855b07682b6SSantosh Shilimkar child = add_regulator((features & TWL4030_VAUX2) 856b07682b6SSantosh Shilimkar ? TWL4030_REG_VAUX2_4030 857b07682b6SSantosh Shilimkar : TWL4030_REG_VAUX2, 858521d8ec3SGraeme Gregory pdata->vaux2, features); 859b07682b6SSantosh Shilimkar if (IS_ERR(child)) 860b07682b6SSantosh Shilimkar return PTR_ERR(child); 861b07682b6SSantosh Shilimkar 862521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VINTANA1, pdata->vintana1, 863521d8ec3SGraeme Gregory features); 864b07682b6SSantosh Shilimkar if (IS_ERR(child)) 865b07682b6SSantosh Shilimkar return PTR_ERR(child); 866b07682b6SSantosh Shilimkar 867521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VINTANA2, pdata->vintana2, 868521d8ec3SGraeme Gregory features); 869b07682b6SSantosh Shilimkar if (IS_ERR(child)) 870b07682b6SSantosh Shilimkar return PTR_ERR(child); 871b07682b6SSantosh Shilimkar 872521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VINTDIG, pdata->vintdig, 873521d8ec3SGraeme Gregory features); 874b07682b6SSantosh Shilimkar if (IS_ERR(child)) 875b07682b6SSantosh Shilimkar return PTR_ERR(child); 876b07682b6SSantosh Shilimkar } 877b07682b6SSantosh Shilimkar 878b07682b6SSantosh Shilimkar /* maybe add LDOs that are omitted on cost-reduced parts */ 879f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && !(features & TPS_SUBSET) 8809da66539SRajendra Nayak && twl_class_is_4030()) { 881521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2, 882521d8ec3SGraeme Gregory features); 883b07682b6SSantosh Shilimkar if (IS_ERR(child)) 884b07682b6SSantosh Shilimkar return PTR_ERR(child); 885b07682b6SSantosh Shilimkar 886521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2, 887521d8ec3SGraeme Gregory features); 888b07682b6SSantosh Shilimkar if (IS_ERR(child)) 889b07682b6SSantosh Shilimkar return PTR_ERR(child); 890b07682b6SSantosh Shilimkar 891521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VSIM, pdata->vsim, 892521d8ec3SGraeme Gregory features); 893b07682b6SSantosh Shilimkar if (IS_ERR(child)) 894b07682b6SSantosh Shilimkar return PTR_ERR(child); 895b07682b6SSantosh Shilimkar 896521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1, 897521d8ec3SGraeme Gregory features); 898b07682b6SSantosh Shilimkar if (IS_ERR(child)) 899b07682b6SSantosh Shilimkar return PTR_ERR(child); 900b07682b6SSantosh Shilimkar 901521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3, 902521d8ec3SGraeme Gregory features); 903b07682b6SSantosh Shilimkar if (IS_ERR(child)) 904b07682b6SSantosh Shilimkar return PTR_ERR(child); 905b07682b6SSantosh Shilimkar 906521d8ec3SGraeme Gregory child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4, 907521d8ec3SGraeme Gregory features); 908b07682b6SSantosh Shilimkar if (IS_ERR(child)) 909b07682b6SSantosh Shilimkar return PTR_ERR(child); 910b07682b6SSantosh Shilimkar } 911b07682b6SSantosh Shilimkar 9129da66539SRajendra Nayak /* twl6030 regulators */ 913f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && 914521d8ec3SGraeme Gregory !(features & TWL6025_SUBCLASS)) { 91534a38440STero Kristo child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1, 91634a38440STero Kristo features); 91734a38440STero Kristo if (IS_ERR(child)) 91834a38440STero Kristo return PTR_ERR(child); 91934a38440STero Kristo 92034a38440STero Kristo child = add_regulator(TWL6030_REG_VDD2, pdata->vdd2, 92134a38440STero Kristo features); 92234a38440STero Kristo if (IS_ERR(child)) 92334a38440STero Kristo return PTR_ERR(child); 92434a38440STero Kristo 92534a38440STero Kristo child = add_regulator(TWL6030_REG_VDD3, pdata->vdd3, 92634a38440STero Kristo features); 92734a38440STero Kristo if (IS_ERR(child)) 92834a38440STero Kristo return PTR_ERR(child); 92934a38440STero Kristo 93046eda3e9SPeter Ujfalusi child = add_regulator(TWL6030_REG_V1V8, pdata->v1v8, 93146eda3e9SPeter Ujfalusi features); 93246eda3e9SPeter Ujfalusi if (IS_ERR(child)) 93346eda3e9SPeter Ujfalusi return PTR_ERR(child); 93446eda3e9SPeter Ujfalusi 93546eda3e9SPeter Ujfalusi child = add_regulator(TWL6030_REG_V2V1, pdata->v2v1, 93646eda3e9SPeter Ujfalusi features); 93746eda3e9SPeter Ujfalusi if (IS_ERR(child)) 93846eda3e9SPeter Ujfalusi return PTR_ERR(child); 93946eda3e9SPeter Ujfalusi 940521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc, 941521d8ec3SGraeme Gregory features); 942521d8ec3SGraeme Gregory if (IS_ERR(child)) 943521d8ec3SGraeme Gregory return PTR_ERR(child); 944521d8ec3SGraeme Gregory 945521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VPP, pdata->vpp, 946521d8ec3SGraeme Gregory features); 947521d8ec3SGraeme Gregory if (IS_ERR(child)) 948521d8ec3SGraeme Gregory return PTR_ERR(child); 949521d8ec3SGraeme Gregory 950521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VUSIM, pdata->vusim, 951521d8ec3SGraeme Gregory features); 952521d8ec3SGraeme Gregory if (IS_ERR(child)) 953521d8ec3SGraeme Gregory return PTR_ERR(child); 954521d8ec3SGraeme Gregory 955521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VCXIO, pdata->vcxio, 956521d8ec3SGraeme Gregory features); 957521d8ec3SGraeme Gregory if (IS_ERR(child)) 958521d8ec3SGraeme Gregory return PTR_ERR(child); 959521d8ec3SGraeme Gregory 960521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VDAC, pdata->vdac, 961521d8ec3SGraeme Gregory features); 962521d8ec3SGraeme Gregory if (IS_ERR(child)) 963521d8ec3SGraeme Gregory return PTR_ERR(child); 964521d8ec3SGraeme Gregory 965521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1, 966521d8ec3SGraeme Gregory features); 967521d8ec3SGraeme Gregory if (IS_ERR(child)) 968521d8ec3SGraeme Gregory return PTR_ERR(child); 969521d8ec3SGraeme Gregory 970521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VAUX2_6030, pdata->vaux2, 971521d8ec3SGraeme Gregory features); 972521d8ec3SGraeme Gregory if (IS_ERR(child)) 973521d8ec3SGraeme Gregory return PTR_ERR(child); 974521d8ec3SGraeme Gregory 975521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3, 976521d8ec3SGraeme Gregory features); 977521d8ec3SGraeme Gregory if (IS_ERR(child)) 978521d8ec3SGraeme Gregory return PTR_ERR(child); 979521d8ec3SGraeme Gregory 980521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_CLK32KG, pdata->clk32kg, 981521d8ec3SGraeme Gregory features); 982521d8ec3SGraeme Gregory if (IS_ERR(child)) 983521d8ec3SGraeme Gregory return PTR_ERR(child); 984521d8ec3SGraeme Gregory } 985521d8ec3SGraeme Gregory 986521d8ec3SGraeme Gregory /* 6030 and 6025 share this regulator */ 987f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030()) { 988521d8ec3SGraeme Gregory child = add_regulator(TWL6030_REG_VANA, pdata->vana, 989521d8ec3SGraeme Gregory features); 990521d8ec3SGraeme Gregory if (IS_ERR(child)) 991521d8ec3SGraeme Gregory return PTR_ERR(child); 992521d8ec3SGraeme Gregory } 993521d8ec3SGraeme Gregory 994521d8ec3SGraeme Gregory /* twl6025 regulators */ 995f78959cfSThierry Reding if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && 996521d8ec3SGraeme Gregory (features & TWL6025_SUBCLASS)) { 997521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO5, pdata->ldo5, 998521d8ec3SGraeme Gregory features); 9999da66539SRajendra Nayak if (IS_ERR(child)) 10009da66539SRajendra Nayak return PTR_ERR(child); 10019da66539SRajendra Nayak 1002521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO1, pdata->ldo1, 1003521d8ec3SGraeme Gregory features); 10049da66539SRajendra Nayak if (IS_ERR(child)) 10059da66539SRajendra Nayak return PTR_ERR(child); 10069da66539SRajendra Nayak 1007521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO7, pdata->ldo7, 1008521d8ec3SGraeme Gregory features); 10099da66539SRajendra Nayak if (IS_ERR(child)) 10109da66539SRajendra Nayak return PTR_ERR(child); 10119da66539SRajendra Nayak 1012521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO6, pdata->ldo6, 1013521d8ec3SGraeme Gregory features); 10149da66539SRajendra Nayak if (IS_ERR(child)) 10159da66539SRajendra Nayak return PTR_ERR(child); 10169da66539SRajendra Nayak 1017521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDOLN, pdata->ldoln, 1018521d8ec3SGraeme Gregory features); 10199da66539SRajendra Nayak if (IS_ERR(child)) 10209da66539SRajendra Nayak return PTR_ERR(child); 10219da66539SRajendra Nayak 1022521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO2, pdata->ldo2, 1023521d8ec3SGraeme Gregory features); 10249da66539SRajendra Nayak if (IS_ERR(child)) 10259da66539SRajendra Nayak return PTR_ERR(child); 10269da66539SRajendra Nayak 1027521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO4, pdata->ldo4, 1028521d8ec3SGraeme Gregory features); 10299da66539SRajendra Nayak if (IS_ERR(child)) 10309da66539SRajendra Nayak return PTR_ERR(child); 10319da66539SRajendra Nayak 1032521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_LDO3, pdata->ldo3, 1033521d8ec3SGraeme Gregory features); 10349da66539SRajendra Nayak if (IS_ERR(child)) 10359da66539SRajendra Nayak return PTR_ERR(child); 10369da66539SRajendra Nayak 1037521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_SMPS3, pdata->smps3, 1038521d8ec3SGraeme Gregory features); 10399da66539SRajendra Nayak if (IS_ERR(child)) 10409da66539SRajendra Nayak return PTR_ERR(child); 10418e6de4a3SBalaji T K 1042521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_SMPS4, pdata->smps4, 1043521d8ec3SGraeme Gregory features); 10448e6de4a3SBalaji T K if (IS_ERR(child)) 10458e6de4a3SBalaji T K return PTR_ERR(child); 1046521d8ec3SGraeme Gregory 1047521d8ec3SGraeme Gregory child = add_regulator(TWL6025_REG_VIO, pdata->vio6025, 1048521d8ec3SGraeme Gregory features); 1049521d8ec3SGraeme Gregory if (IS_ERR(child)) 1050521d8ec3SGraeme Gregory return PTR_ERR(child); 1051521d8ec3SGraeme Gregory 10529da66539SRajendra Nayak } 10539da66539SRajendra Nayak 1054f78959cfSThierry Reding if (IS_ENABLED(CONFIG_CHARGER_TWL4030) && pdata->bci && 105511c39c4bSGrazvydas Ignotas !(features & (TPS_SUBSET | TWL5031))) { 10562d86ad37SPeter Ujfalusi child = add_child(SUB_CHIP_ID3, "twl4030_bci", 105711c39c4bSGrazvydas Ignotas pdata->bci, sizeof(*pdata->bci), false, 105811c39c4bSGrazvydas Ignotas /* irq0 = CHG_PRES, irq1 = BCI */ 10599e178620SFelipe Balbi irq_base + BCI_PRES_INTR_OFFSET, 10609e178620SFelipe Balbi irq_base + BCI_INTR_OFFSET); 106111c39c4bSGrazvydas Ignotas if (IS_ERR(child)) 106211c39c4bSGrazvydas Ignotas return PTR_ERR(child); 106311c39c4bSGrazvydas Ignotas } 106411c39c4bSGrazvydas Ignotas 1065b07682b6SSantosh Shilimkar return 0; 1066b07682b6SSantosh Shilimkar } 1067b07682b6SSantosh Shilimkar 1068b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 1069b07682b6SSantosh Shilimkar 1070b07682b6SSantosh Shilimkar /* 1071b07682b6SSantosh Shilimkar * These three functions initialize the on-chip clock framework, 1072b07682b6SSantosh Shilimkar * letting it generate the right frequencies for USB, MADC, and 1073b07682b6SSantosh Shilimkar * other purposes. 1074b07682b6SSantosh Shilimkar */ 1075b07682b6SSantosh Shilimkar static inline int __init protect_pm_master(void) 1076b07682b6SSantosh Shilimkar { 1077b07682b6SSantosh Shilimkar int e = 0; 1078b07682b6SSantosh Shilimkar 107949e6f87eSFelipe Balbi e = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0, 108049e6f87eSFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 1081b07682b6SSantosh Shilimkar return e; 1082b07682b6SSantosh Shilimkar } 1083b07682b6SSantosh Shilimkar 1084b07682b6SSantosh Shilimkar static inline int __init unprotect_pm_master(void) 1085b07682b6SSantosh Shilimkar { 1086b07682b6SSantosh Shilimkar int e = 0; 1087b07682b6SSantosh Shilimkar 108849e6f87eSFelipe Balbi e |= twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 108949e6f87eSFelipe Balbi TWL4030_PM_MASTER_KEY_CFG1, 109049e6f87eSFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 109149e6f87eSFelipe Balbi e |= twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 109249e6f87eSFelipe Balbi TWL4030_PM_MASTER_KEY_CFG2, 109349e6f87eSFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 109449e6f87eSFelipe Balbi 1095b07682b6SSantosh Shilimkar return e; 1096b07682b6SSantosh Shilimkar } 1097b07682b6SSantosh Shilimkar 1098b07682b6SSantosh Shilimkar static void clocks_init(struct device *dev, 1099b07682b6SSantosh Shilimkar struct twl4030_clock_init_data *clock) 1100b07682b6SSantosh Shilimkar { 1101b07682b6SSantosh Shilimkar int e = 0; 1102b07682b6SSantosh Shilimkar struct clk *osc; 1103b07682b6SSantosh Shilimkar u32 rate; 1104b07682b6SSantosh Shilimkar u8 ctrl = HFCLK_FREQ_26_MHZ; 1105b07682b6SSantosh Shilimkar 1106defa6be1STony Lindgren osc = clk_get(dev, "fck"); 1107b07682b6SSantosh Shilimkar if (IS_ERR(osc)) { 1108fc7b92fcSBalaji T K printk(KERN_WARNING "Skipping twl internal clock init and " 1109b07682b6SSantosh Shilimkar "using bootloader value (unknown osc rate)\n"); 1110b07682b6SSantosh Shilimkar return; 1111b07682b6SSantosh Shilimkar } 1112b07682b6SSantosh Shilimkar 1113b07682b6SSantosh Shilimkar rate = clk_get_rate(osc); 1114b07682b6SSantosh Shilimkar clk_put(osc); 1115b07682b6SSantosh Shilimkar 1116b07682b6SSantosh Shilimkar switch (rate) { 1117b07682b6SSantosh Shilimkar case 19200000: 1118b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_19p2_MHZ; 1119b07682b6SSantosh Shilimkar break; 1120b07682b6SSantosh Shilimkar case 26000000: 1121b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_26_MHZ; 1122b07682b6SSantosh Shilimkar break; 1123b07682b6SSantosh Shilimkar case 38400000: 1124b07682b6SSantosh Shilimkar ctrl = HFCLK_FREQ_38p4_MHZ; 1125b07682b6SSantosh Shilimkar break; 1126b07682b6SSantosh Shilimkar } 1127b07682b6SSantosh Shilimkar 1128b07682b6SSantosh Shilimkar ctrl |= HIGH_PERF_SQ; 1129b07682b6SSantosh Shilimkar if (clock && clock->ck32k_lowpwr_enable) 1130b07682b6SSantosh Shilimkar ctrl |= CK32K_LOWPWR_EN; 1131b07682b6SSantosh Shilimkar 1132b07682b6SSantosh Shilimkar e |= unprotect_pm_master(); 1133b07682b6SSantosh Shilimkar /* effect->MADC+USB ck en */ 1134fc7b92fcSBalaji T K e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); 1135b07682b6SSantosh Shilimkar e |= protect_pm_master(); 1136b07682b6SSantosh Shilimkar 1137b07682b6SSantosh Shilimkar if (e < 0) 1138b07682b6SSantosh Shilimkar pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e); 1139b07682b6SSantosh Shilimkar } 1140b07682b6SSantosh Shilimkar 1141b07682b6SSantosh Shilimkar /*----------------------------------------------------------------------*/ 1142b07682b6SSantosh Shilimkar 1143b07682b6SSantosh Shilimkar 1144fc7b92fcSBalaji T K static int twl_remove(struct i2c_client *client) 1145b07682b6SSantosh Shilimkar { 1146364cedb2SPeter Ujfalusi unsigned i, num_slaves; 1147b07682b6SSantosh Shilimkar int status; 1148b07682b6SSantosh Shilimkar 1149364cedb2SPeter Ujfalusi if (twl_class_is_4030()) { 1150e8deb28cSBalaji T K status = twl4030_exit_irq(); 1151364cedb2SPeter Ujfalusi num_slaves = TWL_NUM_SLAVES; 1152364cedb2SPeter Ujfalusi } else { 1153e8deb28cSBalaji T K status = twl6030_exit_irq(); 1154364cedb2SPeter Ujfalusi num_slaves = TWL_NUM_SLAVES - 1; 1155364cedb2SPeter Ujfalusi } 1156e8deb28cSBalaji T K 1157b07682b6SSantosh Shilimkar if (status < 0) 1158b07682b6SSantosh Shilimkar return status; 1159b07682b6SSantosh Shilimkar 1160364cedb2SPeter Ujfalusi for (i = 0; i < num_slaves; i++) { 1161fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[i]; 1162b07682b6SSantosh Shilimkar 1163b07682b6SSantosh Shilimkar if (twl->client && twl->client != client) 1164b07682b6SSantosh Shilimkar i2c_unregister_device(twl->client); 1165fc7b92fcSBalaji T K twl_modules[i].client = NULL; 1166b07682b6SSantosh Shilimkar } 1167b07682b6SSantosh Shilimkar inuse = false; 1168b07682b6SSantosh Shilimkar return 0; 1169b07682b6SSantosh Shilimkar } 1170b07682b6SSantosh Shilimkar 1171ec1a07b3SBenoit Cousson /* NOTE: This driver only handles a single twl4030/tps659x0 chip */ 11725b9cecd6SBryan Wu static int __devinit 1173fc7b92fcSBalaji T K twl_probe(struct i2c_client *client, const struct i2c_device_id *id) 1174b07682b6SSantosh Shilimkar { 1175b07682b6SSantosh Shilimkar struct twl4030_platform_data *pdata = client->dev.platform_data; 1176aeb5032bSBenoit Cousson struct device_node *node = client->dev.of_node; 1177defa6be1STony Lindgren struct platform_device *pdev; 11782473d25aSPeter Ujfalusi struct regmap_config *twl_regmap_config; 1179ec1a07b3SBenoit Cousson int irq_base = 0; 1180ec1a07b3SBenoit Cousson int status; 1181364cedb2SPeter Ujfalusi unsigned i, num_slaves; 1182aeb5032bSBenoit Cousson 1183defa6be1STony Lindgren pdev = platform_device_alloc(DRIVER_NAME, -1); 1184defa6be1STony Lindgren if (!pdev) { 1185defa6be1STony Lindgren dev_err(&client->dev, "can't alloc pdev\n"); 1186defa6be1STony Lindgren return -ENOMEM; 1187defa6be1STony Lindgren } 1188defa6be1STony Lindgren 1189defa6be1STony Lindgren status = platform_device_add(pdev); 1190defa6be1STony Lindgren if (status) { 1191defa6be1STony Lindgren platform_device_put(pdev); 1192defa6be1STony Lindgren return status; 1193defa6be1STony Lindgren } 1194defa6be1STony Lindgren 1195aeb5032bSBenoit Cousson if (node && !pdata) { 1196aeb5032bSBenoit Cousson /* 1197aeb5032bSBenoit Cousson * XXX: Temporary pdata until the information is correctly 1198aeb5032bSBenoit Cousson * retrieved by every TWL modules from DT. 1199aeb5032bSBenoit Cousson */ 1200aeb5032bSBenoit Cousson pdata = devm_kzalloc(&client->dev, 1201aeb5032bSBenoit Cousson sizeof(struct twl4030_platform_data), 1202aeb5032bSBenoit Cousson GFP_KERNEL); 1203defa6be1STony Lindgren if (!pdata) { 1204defa6be1STony Lindgren status = -ENOMEM; 1205defa6be1STony Lindgren goto free; 1206defa6be1STony Lindgren } 1207aeb5032bSBenoit Cousson } 1208b07682b6SSantosh Shilimkar 1209b07682b6SSantosh Shilimkar if (!pdata) { 1210b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "no platform data?\n"); 1211defa6be1STony Lindgren status = -EINVAL; 1212defa6be1STony Lindgren goto free; 1213b07682b6SSantosh Shilimkar } 1214b07682b6SSantosh Shilimkar 1215defa6be1STony Lindgren platform_set_drvdata(pdev, pdata); 1216defa6be1STony Lindgren 1217b07682b6SSantosh Shilimkar if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { 1218b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "can't talk I2C?\n"); 1219defa6be1STony Lindgren status = -EIO; 1220defa6be1STony Lindgren goto free; 1221b07682b6SSantosh Shilimkar } 1222b07682b6SSantosh Shilimkar 1223b07682b6SSantosh Shilimkar if (inuse) { 1224b07682b6SSantosh Shilimkar dev_dbg(&client->dev, "driver is already in use\n"); 1225defa6be1STony Lindgren status = -EBUSY; 1226defa6be1STony Lindgren goto free; 1227b07682b6SSantosh Shilimkar } 1228b07682b6SSantosh Shilimkar 1229364cedb2SPeter Ujfalusi if ((id->driver_data) & TWL6030_CLASS) { 1230364cedb2SPeter Ujfalusi twl_id = TWL6030_CLASS_ID; 1231364cedb2SPeter Ujfalusi twl_map = &twl6030_map[0]; 12322473d25aSPeter Ujfalusi twl_regmap_config = twl6030_regmap_config; 1233364cedb2SPeter Ujfalusi num_slaves = TWL_NUM_SLAVES - 1; 1234364cedb2SPeter Ujfalusi } else { 1235364cedb2SPeter Ujfalusi twl_id = TWL4030_CLASS_ID; 1236364cedb2SPeter Ujfalusi twl_map = &twl4030_map[0]; 12372473d25aSPeter Ujfalusi twl_regmap_config = twl4030_regmap_config; 1238364cedb2SPeter Ujfalusi num_slaves = TWL_NUM_SLAVES; 1239364cedb2SPeter Ujfalusi } 1240364cedb2SPeter Ujfalusi 1241364cedb2SPeter Ujfalusi for (i = 0; i < num_slaves; i++) { 1242fc7b92fcSBalaji T K struct twl_client *twl = &twl_modules[i]; 1243b07682b6SSantosh Shilimkar 1244ec1a07b3SBenoit Cousson if (i == 0) { 1245b07682b6SSantosh Shilimkar twl->client = client; 1246ec1a07b3SBenoit Cousson } else { 1247b07682b6SSantosh Shilimkar twl->client = i2c_new_dummy(client->adapter, 12482473d25aSPeter Ujfalusi client->addr + i); 1249b07682b6SSantosh Shilimkar if (!twl->client) { 1250b07682b6SSantosh Shilimkar dev_err(&client->dev, 1251b07682b6SSantosh Shilimkar "can't attach client %d\n", i); 1252b07682b6SSantosh Shilimkar status = -ENOMEM; 1253b07682b6SSantosh Shilimkar goto fail; 1254b07682b6SSantosh Shilimkar } 1255b07682b6SSantosh Shilimkar } 12562473d25aSPeter Ujfalusi 12572473d25aSPeter Ujfalusi twl->regmap = devm_regmap_init_i2c(twl->client, 12582473d25aSPeter Ujfalusi &twl_regmap_config[i]); 12592473d25aSPeter Ujfalusi if (IS_ERR(twl->regmap)) { 12602473d25aSPeter Ujfalusi status = PTR_ERR(twl->regmap); 12612473d25aSPeter Ujfalusi dev_err(&client->dev, 12622473d25aSPeter Ujfalusi "Failed to allocate regmap %d, err: %d\n", i, 12632473d25aSPeter Ujfalusi status); 12642473d25aSPeter Ujfalusi goto fail; 12652473d25aSPeter Ujfalusi } 1266b07682b6SSantosh Shilimkar } 1267ec1a07b3SBenoit Cousson 1268b07682b6SSantosh Shilimkar inuse = true; 1269b07682b6SSantosh Shilimkar 1270b07682b6SSantosh Shilimkar /* setup clock framework */ 1271defa6be1STony Lindgren clocks_init(&pdev->dev, pdata->clock); 1272b07682b6SSantosh Shilimkar 1273ca972d13SLesly A M /* read TWL IDCODE Register */ 1274ca972d13SLesly A M if (twl_id == TWL4030_CLASS_ID) { 1275ec1a07b3SBenoit Cousson status = twl_read_idcode_register(); 1276ec1a07b3SBenoit Cousson WARN(status < 0, "Error: reading twl_idcode register value\n"); 1277ca972d13SLesly A M } 1278ca972d13SLesly A M 1279b07682b6SSantosh Shilimkar /* load power event scripts */ 1280f78959cfSThierry Reding if (IS_ENABLED(CONFIG_TWL4030_POWER) && pdata->power) 1281b07682b6SSantosh Shilimkar twl4030_power_init(pdata->power); 1282b07682b6SSantosh Shilimkar 1283b07682b6SSantosh Shilimkar /* Maybe init the T2 Interrupt subsystem */ 12849e178620SFelipe Balbi if (client->irq) { 1285e8deb28cSBalaji T K if (twl_class_is_4030()) { 1286e8deb28cSBalaji T K twl4030_init_chip_irq(id->name); 128778518ffaSBenoit Cousson irq_base = twl4030_init_irq(&client->dev, client->irq); 1288e8deb28cSBalaji T K } else { 128978518ffaSBenoit Cousson irq_base = twl6030_init_irq(&client->dev, client->irq); 1290e8deb28cSBalaji T K } 1291e8deb28cSBalaji T K 129278518ffaSBenoit Cousson if (irq_base < 0) { 129378518ffaSBenoit Cousson status = irq_base; 1294b07682b6SSantosh Shilimkar goto fail; 1295b07682b6SSantosh Shilimkar } 129678518ffaSBenoit Cousson } 1297b07682b6SSantosh Shilimkar 1298ec1a07b3SBenoit Cousson /* 1299ec1a07b3SBenoit Cousson * Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface. 1300a29aaf55SMoiz Sonasath * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0, 1301a29aaf55SMoiz Sonasath * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0. 1302a29aaf55SMoiz Sonasath */ 1303a29aaf55SMoiz Sonasath if (twl_class_is_4030()) { 1304ec1a07b3SBenoit Cousson u8 temp; 1305ec1a07b3SBenoit Cousson 1306a29aaf55SMoiz Sonasath twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1); 1307a29aaf55SMoiz Sonasath temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \ 1308a29aaf55SMoiz Sonasath I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU); 1309a29aaf55SMoiz Sonasath twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1); 1310a29aaf55SMoiz Sonasath } 1311a29aaf55SMoiz Sonasath 1312964dba28SGrant Likely status = -ENODEV; 1313aeb5032bSBenoit Cousson if (node) 1314aeb5032bSBenoit Cousson status = of_platform_populate(node, NULL, NULL, &client->dev); 1315964dba28SGrant Likely if (status) 13169e178620SFelipe Balbi status = add_children(pdata, irq_base, id->driver_data); 1317aeb5032bSBenoit Cousson 1318b07682b6SSantosh Shilimkar fail: 1319b07682b6SSantosh Shilimkar if (status < 0) 1320fc7b92fcSBalaji T K twl_remove(client); 1321defa6be1STony Lindgren free: 1322defa6be1STony Lindgren if (status < 0) 1323defa6be1STony Lindgren platform_device_unregister(pdev); 1324ec1a07b3SBenoit Cousson 1325b07682b6SSantosh Shilimkar return status; 1326b07682b6SSantosh Shilimkar } 1327b07682b6SSantosh Shilimkar 1328fc7b92fcSBalaji T K static const struct i2c_device_id twl_ids[] = { 1329b07682b6SSantosh Shilimkar { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ 1330b07682b6SSantosh Shilimkar { "twl5030", 0 }, /* T2 updated */ 1331b07682b6SSantosh Shilimkar { "twl5031", TWL5031 }, /* TWL5030 updated */ 1332b07682b6SSantosh Shilimkar { "tps65950", 0 }, /* catalog version of twl5030 */ 1333b07682b6SSantosh Shilimkar { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ 1334b07682b6SSantosh Shilimkar { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ 133559dead5aSOleg Drokin { "tps65921", TPS_SUBSET }, /* fewer LDOs; no codec, no LED 133659dead5aSOleg Drokin and vibrator. Charger in USB module*/ 1337e8deb28cSBalaji T K { "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */ 1338521d8ec3SGraeme Gregory { "twl6025", TWL6030_CLASS | TWL6025_SUBCLASS }, /* "Phoenix lite" */ 1339b07682b6SSantosh Shilimkar { /* end of list */ }, 1340b07682b6SSantosh Shilimkar }; 1341fc7b92fcSBalaji T K MODULE_DEVICE_TABLE(i2c, twl_ids); 1342b07682b6SSantosh Shilimkar 1343b07682b6SSantosh Shilimkar /* One Client Driver , 4 Clients */ 1344fc7b92fcSBalaji T K static struct i2c_driver twl_driver = { 1345b07682b6SSantosh Shilimkar .driver.name = DRIVER_NAME, 1346fc7b92fcSBalaji T K .id_table = twl_ids, 1347fc7b92fcSBalaji T K .probe = twl_probe, 1348fc7b92fcSBalaji T K .remove = twl_remove, 1349b07682b6SSantosh Shilimkar }; 1350b07682b6SSantosh Shilimkar 1351fc7b92fcSBalaji T K static int __init twl_init(void) 1352b07682b6SSantosh Shilimkar { 1353fc7b92fcSBalaji T K return i2c_add_driver(&twl_driver); 1354b07682b6SSantosh Shilimkar } 1355fc7b92fcSBalaji T K subsys_initcall(twl_init); 1356b07682b6SSantosh Shilimkar 1357fc7b92fcSBalaji T K static void __exit twl_exit(void) 1358b07682b6SSantosh Shilimkar { 1359fc7b92fcSBalaji T K i2c_del_driver(&twl_driver); 1360b07682b6SSantosh Shilimkar } 1361fc7b92fcSBalaji T K module_exit(twl_exit); 1362b07682b6SSantosh Shilimkar 1363b07682b6SSantosh Shilimkar MODULE_AUTHOR("Texas Instruments, Inc."); 1364fc7b92fcSBalaji T K MODULE_DESCRIPTION("I2C Core interface for TWL"); 1365b07682b6SSantosh Shilimkar MODULE_LICENSE("GPL"); 1366