/* * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include /* * Convenience conversion. * Here atm, maybe there is somewhere better for this. */ #define mV_to_uV(mV) (mV * 1000) #define uV_to_mV(uV) (uV / 1000) #define V_to_uV(V) (mV_to_uV(V * 1000)) #define uV_to_V(uV) (uV_to_mV(uV) / 1000) #define PFUZE100_I2C_DEVICE_NAME "pfuze100" /* 7-bit I2C bus slave address */ #define PFUZE100_I2C_ADDR (0x08) /*SWBST*/ #define PFUZE100_SW1ASTANDBY 33 #define PFUZE100_SW1ASTANDBY_STBY_VAL (0x18) #define PFUZE100_SW1ASTANDBY_STBY_M (0x3f<<0) #define PFUZE100_SW1BSTANDBY 40 #define PFUZE100_SW1BSTANDBY_STBY_VAL (0x18) #define PFUZE100_SW1BSTANDBY_STBY_M (0x3f<<0) #define PFUZE100_SW1CSTANDBY 47 #define PFUZE100_SW1CSTANDBY_STBY_VAL (0x18) #define PFUZE100_SW1CSTANDBY_STBY_M (0x3f<<0) #define PFUZE100_SW2STANDBY 54 #define PFUZE100_SW2STANDBY_STBY_VAL 0x0 #define PFUZE100_SW2STANDBY_STBY_M (0x3f<<0) #define PFUZE100_SW3ASTANDBY 61 #define PFUZE100_SW3ASTANDBY_STBY_VAL 0x0 #define PFUZE100_SW3ASTANDBY_STBY_M (0x3f<<0) #define PFUZE100_SW3BSTANDBY 68 #define PFUZE100_SW3BSTANDBY_STBY_VAL 0x0 #define PFUZE100_SW3BSTANDBY_STBY_M (0x3f<<0) #define PFUZE100_SW4STANDBY 75 #define PFUZE100_SW4STANDBY_STBY_VAL 0 #define PFUZE100_SW4STANDBY_STBY_M (0x3f<<0) #define PFUZE100_SWBSTCON1 102 #define PFUZE100_SWBSTCON1_SWBSTMOD_VAL (0x1<<2) #define PFUZE100_SWBSTCON1_SWBSTMOD_M (0x3<<2) static struct regulator_consumer_supply sw1a_consumers[] = { { .supply = "P1V325_VDDARM_SW1AB", } }; static struct regulator_consumer_supply sw1c_consumers[] = { { .supply = "P1V325_VDDSOC_SW1C", } }; static struct regulator_consumer_supply sw2_consumers[] = { { .supply = "P3V0_VDDHIGH_SW2", } }; static struct regulator_consumer_supply sw3_consumers[] = { { .supply = "P1V5_DDR_SW3", } }; static struct regulator_consumer_supply sw4_consumers[] = { { .supply = "P1V8_SW4", } }; static struct regulator_consumer_supply swbst_consumers[] = { { .supply = "P5V0_SWBST", } }; static struct regulator_consumer_supply vsnvs_consumers[] = { { .supply = "P3V0_STBY", } }; static struct regulator_consumer_supply vgen1_consumers[] = { { .supply = "P1V2_VGEN1", } }; static struct regulator_consumer_supply vgen2_consumers[] = { { .supply = "P1V5_VGEN2", } }; static struct regulator_consumer_supply vgen3_consumers[] = { { .supply = "P1V8_VGEN3", } }; static struct regulator_consumer_supply vgen4_consumers[] = { { .supply = "P1V8_VGEN4", } }; static struct regulator_consumer_supply vgen5_consumers[] = { { .supply = "P2V5_VGEN5", } }; static struct regulator_consumer_supply vgen6_consumers[] = { { .supply = "P2V8_VGEN6", } }; static struct regulator_init_data sw1a_init = { .constraints = { .name = "SW1A", #ifdef PFUZE100_FIRST_VERSION .min_uV = 650000, .max_uV = 1437500, #else .min_uV = 300000, .max_uV = 1875000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .boot_on = 1, .always_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(sw1a_consumers), .consumer_supplies = sw1a_consumers, }; static struct regulator_init_data sw1b_init = { .constraints = { .name = "SW1B", .min_uV = 300000, .max_uV = 1875000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, }; static struct regulator_init_data sw1c_init = { .constraints = { .name = "SW1C", .min_uV = 300000, .max_uV = 1875000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(sw1c_consumers), .consumer_supplies = sw1c_consumers, }; static struct regulator_init_data sw2_init = { .constraints = { .name = "SW2", #if PFUZE100_SW2_VOL6 .min_uV = 800000, .max_uV = 3950000, #else .min_uV = 400000, .max_uV = 1975000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(sw2_consumers), .consumer_supplies = sw2_consumers, }; static struct regulator_init_data sw3a_init = { .constraints = { .name = "SW3A", #if PFUZE100_SW3_VOL6 .min_uV = 800000, .max_uV = 3950000, #else .min_uV = 400000, .max_uV = 1975000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(sw3_consumers), .consumer_supplies = sw3_consumers, }; static struct regulator_init_data sw3b_init = { .constraints = { .name = "SW3B", #if PFUZE100_SW3_VOL6 .min_uV = 800000, .max_uV = 3950000, #else .min_uV = 400000, .max_uV = 1975000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, }; static struct regulator_init_data sw4_init = { .constraints = { .name = "SW4", #if PFUZE100_SW4_VOL6 .min_uV = 800000, .max_uV = 3950000, #else .min_uV = 400000, .max_uV = 1975000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, }, .num_consumer_supplies = ARRAY_SIZE(sw4_consumers), .consumer_supplies = sw4_consumers, }; static struct regulator_init_data swbst_init = { .constraints = { .name = "SWBST", .min_uV = 5000000, .max_uV = 5150000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 0, .boot_on = 0, }, .num_consumer_supplies = ARRAY_SIZE(swbst_consumers), .consumer_supplies = swbst_consumers, }; static struct regulator_init_data vsnvs_init = { .constraints = { .name = "VSNVS", .min_uV = 1200000, .max_uV = 3000000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(vsnvs_consumers), .consumer_supplies = vsnvs_consumers, }; static struct regulator_init_data vrefddr_init = { .constraints = { .name = "VREFDDR", .always_on = 1, .boot_on = 1, }, }; static struct regulator_init_data vgen1_init = { .constraints = { .name = "VGEN1", #ifdef PFUZE100_FIRST_VERSION .min_uV = 1200000, .max_uV = 1550000, #else .min_uV = 800000, .max_uV = 1550000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, .valid_modes_mask = 0, .always_on = 0, .boot_on = 0, }, .num_consumer_supplies = ARRAY_SIZE(vgen1_consumers), .consumer_supplies = vgen1_consumers, }; static struct regulator_init_data vgen2_init = { .constraints = { .name = "VGEN2", #ifdef PFUZE100_FIRST_VERSION .min_uV = 1200000, .max_uV = 1550000, #else .min_uV = 800000, .max_uV = 1550000, #endif .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, .valid_modes_mask = 0, }, .num_consumer_supplies = ARRAY_SIZE(vgen2_consumers), .consumer_supplies = vgen2_consumers, }; static struct regulator_init_data vgen3_init = { .constraints = { .name = "VGEN3", .min_uV = 1800000, .max_uV = 3300000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, .valid_modes_mask = 0, .always_on = 0, .boot_on = 0, }, .num_consumer_supplies = ARRAY_SIZE(vgen3_consumers), .consumer_supplies = vgen3_consumers, }; static struct regulator_init_data vgen4_init = { .constraints = { .name = "VGEN4", .min_uV = 1800000, .max_uV = 3300000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, .valid_modes_mask = 0, }, .num_consumer_supplies = ARRAY_SIZE(vgen4_consumers), .consumer_supplies = vgen4_consumers, }; static struct regulator_init_data vgen5_init = { .constraints = { .name = "VGEN5", .min_uV = 1800000, .max_uV = 3300000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, .valid_modes_mask = 0, }, .num_consumer_supplies = ARRAY_SIZE(vgen5_consumers), .consumer_supplies = vgen5_consumers, }; static struct regulator_init_data vgen6_init = { .constraints = { .name = "VGEN6", .min_uV = 1800000, .max_uV = 3300000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, .valid_modes_mask = 0, }, .num_consumer_supplies = ARRAY_SIZE(vgen6_consumers), .consumer_supplies = vgen6_consumers, }; static int pfuze100_init(struct mc_pfuze *pfuze) { int ret; ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1ASTANDBY, PFUZE100_SW1ASTANDBY_STBY_M, PFUZE100_SW1ASTANDBY_STBY_VAL); if (ret) goto err; ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1BSTANDBY, PFUZE100_SW1BSTANDBY_STBY_M, PFUZE100_SW1BSTANDBY_STBY_VAL); if (ret) goto err; ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1CSTANDBY, PFUZE100_SW1CSTANDBY_STBY_M, PFUZE100_SW1CSTANDBY_STBY_VAL); if (ret) goto err; return 0; err: printk(KERN_ERR "pfuze100 init error!\n"); return -1; } static struct pfuze_regulator_init_data mx6q_sabreauto_pfuze100_regulators[] = { {.id = PFUZE100_SW1A, .init_data = &sw1a_init}, {.id = PFUZE100_SW1B, .init_data = &sw1b_init}, {.id = PFUZE100_SW1C, .init_data = &sw1c_init}, {.id = PFUZE100_SW2, .init_data = &sw2_init}, {.id = PFUZE100_SW3A, .init_data = &sw3a_init}, {.id = PFUZE100_SW3B, .init_data = &sw3b_init}, {.id = PFUZE100_SW4, .init_data = &sw4_init}, {.id = PFUZE100_SWBST, .init_data = &swbst_init}, {.id = PFUZE100_VSNVS, .init_data = &vsnvs_init}, {.id = PFUZE100_VREFDDR, .init_data = &vrefddr_init}, {.id = PFUZE100_VGEN1, .init_data = &vgen1_init}, {.id = PFUZE100_VGEN2, .init_data = &vgen2_init}, {.id = PFUZE100_VGEN3, .init_data = &vgen3_init}, {.id = PFUZE100_VGEN4, .init_data = &vgen4_init}, {.id = PFUZE100_VGEN5, .init_data = &vgen5_init}, {.id = PFUZE100_VGEN6, .init_data = &vgen6_init}, }; static struct pfuze_platform_data pfuze100_plat = { .flags = PFUZE_USE_REGULATOR, .num_regulators = ARRAY_SIZE(mx6q_sabreauto_pfuze100_regulators), .regulators = mx6q_sabreauto_pfuze100_regulators, .pfuze_init = pfuze100_init, }; static struct i2c_board_info __initdata pfuze100_i2c_device = { I2C_BOARD_INFO(PFUZE100_I2C_DEVICE_NAME, PFUZE100_I2C_ADDR), .platform_data = &pfuze100_plat, }; int __init mx6q_sabreauto_init_pfuze100(u32 int_gpio) { pfuze100_i2c_device.irq = gpio_to_irq(int_gpio); /*update INT gpio */ return i2c_register_board_info(1, &pfuze100_i2c_device, 1); }