| Andrew F. Davis | 796f569 | 2016-01-25 09:43:45 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Core functions for TI TPS65912x PMICs |
| 3 | * |
| 4 | * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ |
| 5 | * Andrew F. Davis <afd@ti.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| 12 | * kind, whether expressed or implied; without even the implied warranty |
| 13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License version 2 for more details. |
| 15 | * |
| 16 | * Based on the TPS65218 driver and the previous TPS65912 driver by |
| 17 | * Margarita Olaya Cabrera <magi@slimlogic.co.uk> |
| 18 | */ |
| 19 | |
| 20 | #include <linux/interrupt.h> |
| 21 | #include <linux/mfd/core.h> |
| 22 | #include <linux/module.h> |
| 23 | |
| 24 | #include <linux/mfd/tps65912.h> |
| 25 | |
| 26 | static const struct mfd_cell tps65912_cells[] = { |
| 27 | { .name = "tps65912-regulator", }, |
| 28 | { .name = "tps65912-gpio", }, |
| 29 | }; |
| 30 | |
| 31 | static const struct regmap_irq tps65912_irqs[] = { |
| 32 | /* INT_STS IRQs */ |
| 33 | REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F), |
| 34 | REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON), |
| 35 | REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON), |
| 36 | REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP), |
| 37 | REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R), |
| 38 | REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE), |
| 39 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R), |
| 40 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F), |
| 41 | /* INT_STS2 IRQs */ |
| 42 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R), |
| 43 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F), |
| 44 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R), |
| 45 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F), |
| 46 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R), |
| 47 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F), |
| 48 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R), |
| 49 | REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F), |
| 50 | /* INT_STS3 IRQs */ |
| 51 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1), |
| 52 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2), |
| 53 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3), |
| 54 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4), |
| 55 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1), |
| 56 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2), |
| 57 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3), |
| 58 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4), |
| 59 | /* INT_STS4 IRQs */ |
| 60 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5), |
| 61 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6), |
| 62 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7), |
| 63 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8), |
| 64 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9), |
| 65 | REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10), |
| 66 | }; |
| 67 | |
| 68 | static struct regmap_irq_chip tps65912_irq_chip = { |
| 69 | .name = "tps65912", |
| 70 | .irqs = tps65912_irqs, |
| 71 | .num_irqs = ARRAY_SIZE(tps65912_irqs), |
| 72 | .num_regs = 4, |
| 73 | .irq_reg_stride = 2, |
| 74 | .mask_base = TPS65912_INT_MSK, |
| 75 | .status_base = TPS65912_INT_STS, |
| 76 | .ack_base = TPS65912_INT_STS, |
| 77 | .init_ack_masked = true, |
| 78 | }; |
| 79 | |
| 80 | int tps65912_device_init(struct tps65912 *tps) |
| 81 | { |
| 82 | int ret; |
| 83 | |
| 84 | ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0, |
| 85 | &tps65912_irq_chip, &tps->irq_data); |
| 86 | if (ret) |
| 87 | return ret; |
| 88 | |
| 89 | ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells, |
| 90 | ARRAY_SIZE(tps65912_cells), NULL, 0, |
| 91 | regmap_irq_get_domain(tps->irq_data)); |
| 92 | if (ret) { |
| 93 | regmap_del_irq_chip(tps->irq, tps->irq_data); |
| 94 | return ret; |
| 95 | } |
| 96 | |
| 97 | return 0; |
| 98 | } |
| 99 | EXPORT_SYMBOL_GPL(tps65912_device_init); |
| 100 | |
| 101 | int tps65912_device_exit(struct tps65912 *tps) |
| 102 | { |
| 103 | regmap_del_irq_chip(tps->irq, tps->irq_data); |
| 104 | |
| 105 | return 0; |
| 106 | } |
| 107 | EXPORT_SYMBOL_GPL(tps65912_device_exit); |
| 108 | |
| 109 | MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); |
| 110 | MODULE_DESCRIPTION("TPS65912x MFD Driver"); |
| 111 | MODULE_LICENSE("GPL v2"); |