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Diffstat (limited to 'arch/arm/mach-u300/i2c.c')
| -rw-r--r-- | arch/arm/mach-u300/i2c.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c deleted file mode 100644 index 96800aa1316..00000000000 --- a/arch/arm/mach-u300/i2c.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * arch/arm/mach-u300/i2c.c - * - * Copyright (C) 2009-2012 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * - * Register board i2c devices - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/mfd/ab3100.h> -#include <linux/regulator/machine.h> -#include <linux/amba/bus.h> -#include <mach/irqs.h> - -/* - * Initial settings of ab3100 registers. - * Common for below LDO regulator settings are that - * bit 7-5 controls voltage. Bit 4 turns regulator ON(1) or OFF(0). - * Bit 3-2 controls sleep enable and bit 1-0 controls sleep mode. - */ - -/* LDO_A 0x16: 2.75V, ON, SLEEP_A, SLEEP OFF GND */ -#define LDO_A_SETTING 0x16 -/* LDO_C 0x10: 2.65V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_C_SETTING 0x10 -/* LDO_D 0x10: 2.65V, ON, sleep mode not used */ -#define LDO_D_SETTING 0x10 -/* LDO_E 0x10: 1.8V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_E_SETTING 0x10 -/* LDO_E SLEEP 0x00: 1.8V, not used, SLEEP_A or B, not used */ -#define LDO_E_SLEEP_SETTING 0x00 -/* LDO_F 0xD0: 2.5V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_F_SETTING 0xD0 -/* LDO_G 0x00: 2.85V, OFF, SLEEP_A or B, SLEEP full power */ -#define LDO_G_SETTING 0x00 -/* LDO_H 0x18: 2.75V, ON, SLEEP_B, SLEEP full power */ -#define LDO_H_SETTING 0x18 -/* LDO_K 0x00: 2.75V, OFF, SLEEP_A or B, SLEEP full power */ -#define LDO_K_SETTING 0x00 -/* LDO_EXT 0x00: Voltage not set, OFF, not used, not used */ -#define LDO_EXT_SETTING 0x00 -/* BUCK 0x7D: 1.2V, ON, SLEEP_A and B, SLEEP low power */ -#define BUCK_SETTING 0x7D -/* BUCK SLEEP 0xAC: 1.05V, Not used, SLEEP_A and B, Not used */ -#define BUCK_SLEEP_SETTING 0xAC - -#ifdef CONFIG_AB3100_CORE -static struct regulator_consumer_supply supply_ldo_c[] = { - { - .dev_name = "ab3100-codec", - .supply = "vaudio", /* Powers the codec */ - }, -}; - -/* - * This one needs to be a supply so we can turn it off - * in order to shut down the system. - */ -static struct regulator_consumer_supply supply_ldo_d[] = { - { - .supply = "vana15", /* Powers the SoC (CPU etc) */ - }, -}; - -static struct regulator_consumer_supply supply_ldo_g[] = { - { - .dev_name = "mmci", - .supply = "vmmc", /* Powers MMC/SD card */ - }, -}; - -static struct regulator_consumer_supply supply_ldo_h[] = { - { - .dev_name = "xgam_pdi", - .supply = "vdisp", /* Powers camera, display etc */ - }, -}; - -static struct regulator_consumer_supply supply_ldo_k[] = { - { - .dev_name = "irda", - .supply = "vir", /* Power IrDA */ - }, -}; - -/* - * This is a placeholder for whoever wish to use the - * external power. - */ -static struct regulator_consumer_supply supply_ldo_ext[] = { - { - .supply = "vext", /* External power */ - }, -}; - -/* Preset (hardware defined) voltages for these regulators */ -#define LDO_A_VOLTAGE 2750000 -#define LDO_C_VOLTAGE 2650000 -#define LDO_D_VOLTAGE 2650000 - -static struct ab3100_platform_data ab3100_plf_data = { - .reg_constraints = { - /* LDO A routing and constraints */ - { - .constraints = { - .name = "vrad", - .min_uV = LDO_A_VOLTAGE, - .max_uV = LDO_A_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .boot_on = 1, - }, - }, - /* LDO C routing and constraints */ - { - .constraints = { - .min_uV = LDO_C_VOLTAGE, - .max_uV = LDO_C_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_c), - .consumer_supplies = supply_ldo_c, - }, - /* LDO D routing and constraints */ - { - .constraints = { - .min_uV = LDO_D_VOLTAGE, - .max_uV = LDO_D_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - /* - * Actually this is boot_on but we need - * to reference count it externally to - * be able to shut down the system. - */ - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_d), - .consumer_supplies = supply_ldo_d, - }, - /* LDO E routing and constraints */ - { - .constraints = { - .name = "vio", - .min_uV = 1800000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .boot_on = 1, - }, - }, - /* LDO F routing and constraints */ - { - .constraints = { - .name = "vana25", - .min_uV = 2500000, - .max_uV = 2500000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .boot_on = 1, - }, - }, - /* LDO G routing and constraints */ - { - .constraints = { - .min_uV = 1500000, - .max_uV = 2850000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_g), - .consumer_supplies = supply_ldo_g, - }, - /* LDO H routing and constraints */ - { - .constraints = { - .min_uV = 1200000, - .max_uV = 2750000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_h), - .consumer_supplies = supply_ldo_h, - }, - /* LDO K routing and constraints */ - { - .constraints = { - .min_uV = 1800000, - .max_uV = 2750000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_k), - .consumer_supplies = supply_ldo_k, - }, - /* External regulator interface. No fixed voltage specified. - * If we knew the voltage of the external regulator and it - * was connected on the board, we could add the (fixed) - * voltage for it here. - */ - { - .constraints = { - .min_uV = 0, - .max_uV = 0, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_ext), - .consumer_supplies = supply_ldo_ext, - }, - /* Buck converter routing and constraints */ - { - .constraints = { - .name = "vcore", - .min_uV = 1200000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE, - .always_on = 1, - .boot_on = 1, - }, - }, - }, - .reg_initvals = { - LDO_A_SETTING, - LDO_C_SETTING, - LDO_E_SETTING, - LDO_E_SLEEP_SETTING, - LDO_F_SETTING, - LDO_G_SETTING, - LDO_H_SETTING, - LDO_K_SETTING, - LDO_EXT_SETTING, - BUCK_SETTING, - BUCK_SLEEP_SETTING, - LDO_D_SETTING, - }, -}; -#endif - -static struct i2c_board_info __initdata bus0_i2c_board_info[] = { -#ifdef CONFIG_AB3100_CORE - { - .type = "ab3100", - .addr = 0x48, - .irq = IRQ_U300_IRQ0_EXT, - .platform_data = &ab3100_plf_data, - }, -#else - { }, -#endif -}; - -static struct i2c_board_info __initdata bus1_i2c_board_info[] = { - { - .type = "fwcam", - .addr = 0x10, - }, - { - .type = "fwcam", - .addr = 0x5d, - }, -}; - -void __init u300_i2c_register_board_devices(void) -{ - i2c_register_board_info(0, bus0_i2c_board_info, - ARRAY_SIZE(bus0_i2c_board_info)); - /* - * This makes the core shut down all unused regulators - * after all the initcalls have completed. - */ - regulator_has_full_constraints(); - i2c_register_board_info(1, bus1_i2c_board_info, - ARRAY_SIZE(bus1_i2c_board_info)); -} |