1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Core functions for TI TPS65912x PMICs 4 * 5 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ 6 * Andrew F. Davis <afd@ti.com> 7 * 8 * Based on the TPS65218 driver and the previous TPS65912 driver by 9 * Margarita Olaya Cabrera <magi@slimlogic.co.uk> 10 */ 11 12 #include <linux/interrupt.h> 13 #include <linux/mfd/core.h> 14 #include <linux/module.h> 15 16 #include <linux/mfd/tps65912.h> 17 18 static const struct mfd_cell tps65912_cells[] = { 19 { .name = "tps65912-regulator", }, 20 { .name = "tps65912-gpio", }, 21 }; 22 23 static const struct regmap_irq tps65912_irqs[] = { 24 /* INT_STS IRQs */ 25 REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F), 26 REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON), 27 REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON), 28 REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP), 29 REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R), 30 REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE), 31 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R), 32 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F), 33 /* INT_STS2 IRQs */ 34 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R), 35 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F), 36 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R), 37 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F), 38 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R), 39 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F), 40 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R), 41 REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F), 42 /* INT_STS3 IRQs */ 43 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1), 44 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2), 45 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3), 46 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4), 47 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1), 48 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2), 49 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3), 50 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4), 51 /* INT_STS4 IRQs */ 52 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5), 53 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6), 54 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7), 55 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8), 56 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9), 57 REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10), 58 }; 59 60 static struct regmap_irq_chip tps65912_irq_chip = { 61 .name = "tps65912", 62 .irqs = tps65912_irqs, 63 .num_irqs = ARRAY_SIZE(tps65912_irqs), 64 .num_regs = 4, 65 .irq_reg_stride = 2, 66 .mask_base = TPS65912_INT_MSK, 67 .status_base = TPS65912_INT_STS, 68 .ack_base = TPS65912_INT_STS, 69 .init_ack_masked = true, 70 }; 71 72 static const struct regmap_range tps65912_yes_ranges[] = { 73 regmap_reg_range(TPS65912_INT_STS, TPS65912_GPIO5), 74 }; 75 76 static const struct regmap_access_table tps65912_volatile_table = { 77 .yes_ranges = tps65912_yes_ranges, 78 .n_yes_ranges = ARRAY_SIZE(tps65912_yes_ranges), 79 }; 80 81 const struct regmap_config tps65912_regmap_config = { 82 .reg_bits = 8, 83 .val_bits = 8, 84 .cache_type = REGCACHE_RBTREE, 85 .volatile_table = &tps65912_volatile_table, 86 }; 87 EXPORT_SYMBOL_GPL(tps65912_regmap_config); 88 89 int tps65912_device_init(struct tps65912 *tps) 90 { 91 int ret; 92 93 ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0, 94 &tps65912_irq_chip, &tps->irq_data); 95 if (ret) 96 return ret; 97 98 ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells, 99 ARRAY_SIZE(tps65912_cells), NULL, 0, 100 regmap_irq_get_domain(tps->irq_data)); 101 if (ret) { 102 regmap_del_irq_chip(tps->irq, tps->irq_data); 103 return ret; 104 } 105 106 return 0; 107 } 108 EXPORT_SYMBOL_GPL(tps65912_device_init); 109 110 void tps65912_device_exit(struct tps65912 *tps) 111 { 112 regmap_del_irq_chip(tps->irq, tps->irq_data); 113 } 114 EXPORT_SYMBOL_GPL(tps65912_device_exit); 115 116 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); 117 MODULE_DESCRIPTION("TPS65912x MFD Driver"); 118 MODULE_LICENSE("GPL v2"); 119