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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Core functions for TI TPS65912x PMICs4 *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 by9 * 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 18static const struct mfd_cell tps65912_cells[] = {19 { .name = "tps65912-regulator", },20 { .name = "tps65912-gpio", },21};22 23static 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 60static const 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 72static const struct regmap_range tps65912_yes_ranges[] = {73 regmap_reg_range(TPS65912_INT_STS, TPS65912_GPIO5),74};75 76static 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 81const struct regmap_config tps65912_regmap_config = {82 .reg_bits = 8,83 .val_bits = 8,84 .cache_type = REGCACHE_MAPLE,85 .volatile_table = &tps65912_volatile_table,86};87EXPORT_SYMBOL_GPL(tps65912_regmap_config);88 89int tps65912_device_init(struct tps65912 *tps)90{91 int ret;92 93 ret = devm_regmap_add_irq_chip(tps->dev, tps->regmap, tps->irq,94 IRQF_ONESHOT, 0, &tps65912_irq_chip,95 &tps->irq_data);96 if (ret)97 return ret;98 99 ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells,100 ARRAY_SIZE(tps65912_cells), NULL, 0,101 regmap_irq_get_domain(tps->irq_data));102 if (ret)103 return ret;104 105 return 0;106}107EXPORT_SYMBOL_GPL(tps65912_device_init);108 109MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");110MODULE_DESCRIPTION("TPS65912x MFD Driver");111MODULE_LICENSE("GPL v2");112