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| 1 | +/* |
| 2 | + * Copyright (C) 2010 NVIDIA, Inc. |
| 3 | + * |
| 4 | + * This program is free software; you can redistribute it and/or modify |
| 5 | + * it under the terms of the GNU General Public License version 2 as |
| 6 | + * published by the Free Software Foundation. |
| 7 | + * |
| 8 | + * This program is distributed in the hope that it will be useful, |
| 9 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | + * GNU General Public License for more details. |
| 12 | + * |
| 13 | + * You should have received a copy of the GNU General Public License |
| 14 | + * along with this program; if not, write to the Free Software |
| 15 | + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 16 | + * 02111-1307, USA |
| 17 | + */ |
| 18 | +#include <linux/i2c.h> |
| 19 | +#include <linux/platform_device.h> |
| 20 | +#include <linux/gpio.h> |
| 21 | + |
| 22 | +#include <linux/regulator/machine.h> |
| 23 | +#include <linux/mfd/tps6586x.h> |
| 24 | + |
| 25 | +#include <mach/irqs.h> |
| 26 | + |
| 27 | +#define PMC_CTRL 0x0 |
| 28 | +#define PMC_CTRL_INTR_LOW (1 << 17) |
| 29 | + |
| 30 | +static struct regulator_consumer_supply tps658621_ldo0_supply[] = { |
| 31 | + REGULATOR_SUPPLY("pex_clk", NULL), |
| 32 | +}; |
| 33 | + |
| 34 | +static struct regulator_init_data ldo0_data = { |
| 35 | + .constraints = { |
| 36 | + .min_uV = 1250 * 1000, |
| 37 | + .max_uV = 3300 * 1000, |
| 38 | + .valid_modes_mask = (REGULATOR_MODE_NORMAL | |
| 39 | + REGULATOR_MODE_STANDBY), |
| 40 | + .valid_ops_mask = (REGULATOR_CHANGE_MODE | |
| 41 | + REGULATOR_CHANGE_STATUS | |
| 42 | + REGULATOR_CHANGE_VOLTAGE), |
| 43 | + }, |
| 44 | + .num_consumer_supplies = ARRAY_SIZE(tps658621_ldo0_supply), |
| 45 | + .consumer_supplies = tps658621_ldo0_supply, |
| 46 | +}; |
| 47 | + |
| 48 | +#define HARMONY_REGULATOR_INIT(_id, _minmv, _maxmv) \ |
| 49 | + static struct regulator_init_data _id##_data = { \ |
| 50 | + .constraints = { \ |
| 51 | + .min_uV = (_minmv)*1000, \ |
| 52 | + .max_uV = (_maxmv)*1000, \ |
| 53 | + .valid_modes_mask = (REGULATOR_MODE_NORMAL | \ |
| 54 | + REGULATOR_MODE_STANDBY), \ |
| 55 | + .valid_ops_mask = (REGULATOR_CHANGE_MODE | \ |
| 56 | + REGULATOR_CHANGE_STATUS | \ |
| 57 | + REGULATOR_CHANGE_VOLTAGE), \ |
| 58 | + }, \ |
| 59 | + } |
| 60 | + |
| 61 | +HARMONY_REGULATOR_INIT(sm0, 725, 1500); |
| 62 | +HARMONY_REGULATOR_INIT(sm1, 725, 1500); |
| 63 | +HARMONY_REGULATOR_INIT(sm2, 3000, 4550); |
| 64 | +HARMONY_REGULATOR_INIT(ldo1, 725, 1500); |
| 65 | +HARMONY_REGULATOR_INIT(ldo2, 725, 1500); |
| 66 | +HARMONY_REGULATOR_INIT(ldo3, 1250, 3300); |
| 67 | +HARMONY_REGULATOR_INIT(ldo4, 1700, 2475); |
| 68 | +HARMONY_REGULATOR_INIT(ldo5, 1250, 3300); |
| 69 | +HARMONY_REGULATOR_INIT(ldo6, 1250, 3300); |
| 70 | +HARMONY_REGULATOR_INIT(ldo7, 1250, 3300); |
| 71 | +HARMONY_REGULATOR_INIT(ldo8, 1250, 3300); |
| 72 | +HARMONY_REGULATOR_INIT(ldo9, 1250, 3300); |
| 73 | + |
| 74 | +#define TPS_REG(_id, _data) \ |
| 75 | + { \ |
| 76 | + .id = TPS6586X_ID_##_id, \ |
| 77 | + .name = "tps6586x-regulator", \ |
| 78 | + .platform_data = _data, \ |
| 79 | + } |
| 80 | + |
| 81 | +static struct tps6586x_subdev_info tps_devs[] = { |
| 82 | + TPS_REG(SM_0, &sm0_data), |
| 83 | + TPS_REG(SM_1, &sm1_data), |
| 84 | + TPS_REG(SM_2, &sm2_data), |
| 85 | + TPS_REG(LDO_0, &ldo0_data), |
| 86 | + TPS_REG(LDO_1, &ldo1_data), |
| 87 | + TPS_REG(LDO_2, &ldo2_data), |
| 88 | + TPS_REG(LDO_3, &ldo3_data), |
| 89 | + TPS_REG(LDO_4, &ldo4_data), |
| 90 | + TPS_REG(LDO_5, &ldo5_data), |
| 91 | + TPS_REG(LDO_6, &ldo6_data), |
| 92 | + TPS_REG(LDO_7, &ldo7_data), |
| 93 | + TPS_REG(LDO_8, &ldo8_data), |
| 94 | + TPS_REG(LDO_9, &ldo9_data), |
| 95 | +}; |
| 96 | + |
| 97 | +static struct tps6586x_platform_data tps_platform = { |
| 98 | + .irq_base = TEGRA_NR_IRQS, |
| 99 | + .num_subdevs = ARRAY_SIZE(tps_devs), |
| 100 | + .subdevs = tps_devs, |
| 101 | + .gpio_base = TEGRA_NR_GPIOS, |
| 102 | +}; |
| 103 | + |
| 104 | +static struct i2c_board_info __initdata harmony_regulators[] = { |
| 105 | + { |
| 106 | + I2C_BOARD_INFO("tps6586x", 0x34), |
| 107 | + .irq = INT_EXTERNAL_PMU, |
| 108 | + .platform_data = &tps_platform, |
| 109 | + }, |
| 110 | +}; |
| 111 | + |
| 112 | +int __init harmony_regulator_init(void) |
| 113 | +{ |
| 114 | + i2c_register_board_info(3, harmony_regulators, 1); |
| 115 | + |
| 116 | + return 0; |
| 117 | +} |
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