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128 lines
4.7 KiB
128 lines
4.7 KiB
/* |
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* Core functions for TI TPS65912x PMICs |
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* |
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* Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ |
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* Andrew F. Davis <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any |
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* kind, whether expressed or implied; without even the implied warranty |
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License version 2 for more details. |
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* |
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* Based on the TPS65218 driver and the previous TPS65912 driver by |
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* Margarita Olaya Cabrera <[email protected]> |
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*/ |
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#include <linux/interrupt.h> |
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#include <linux/mfd/core.h> |
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#include <linux/module.h> |
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#include <linux/mfd/tps65912.h> |
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static const struct mfd_cell tps65912_cells[] = { |
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{ .name = "tps65912-regulator", }, |
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{ .name = "tps65912-gpio", }, |
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}; |
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static const struct regmap_irq tps65912_irqs[] = { |
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/* INT_STS IRQs */ |
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F), |
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REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R), |
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REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F), |
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/* INT_STS2 IRQs */ |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R), |
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F), |
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/* INT_STS3 IRQs */ |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4), |
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/* INT_STS4 IRQs */ |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9), |
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10), |
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}; |
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static struct regmap_irq_chip tps65912_irq_chip = { |
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.name = "tps65912", |
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.irqs = tps65912_irqs, |
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.num_irqs = ARRAY_SIZE(tps65912_irqs), |
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.num_regs = 4, |
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.irq_reg_stride = 2, |
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.mask_base = TPS65912_INT_MSK, |
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.status_base = TPS65912_INT_STS, |
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.ack_base = TPS65912_INT_STS, |
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.init_ack_masked = true, |
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}; |
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static const struct regmap_range tps65912_yes_ranges[] = { |
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regmap_reg_range(TPS65912_INT_STS, TPS65912_GPIO5), |
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}; |
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static const struct regmap_access_table tps65912_volatile_table = { |
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.yes_ranges = tps65912_yes_ranges, |
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.n_yes_ranges = ARRAY_SIZE(tps65912_yes_ranges), |
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}; |
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const struct regmap_config tps65912_regmap_config = { |
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.reg_bits = 8, |
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.val_bits = 8, |
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.cache_type = REGCACHE_RBTREE, |
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.volatile_table = &tps65912_volatile_table, |
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}; |
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EXPORT_SYMBOL_GPL(tps65912_regmap_config); |
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int tps65912_device_init(struct tps65912 *tps) |
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{ |
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int ret; |
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ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0, |
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&tps65912_irq_chip, &tps->irq_data); |
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if (ret) |
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return ret; |
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ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells, |
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ARRAY_SIZE(tps65912_cells), NULL, 0, |
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regmap_irq_get_domain(tps->irq_data)); |
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if (ret) { |
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regmap_del_irq_chip(tps->irq, tps->irq_data); |
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return ret; |
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} |
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return 0; |
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} |
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EXPORT_SYMBOL_GPL(tps65912_device_init); |
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int tps65912_device_exit(struct tps65912 *tps) |
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{ |
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regmap_del_irq_chip(tps->irq, tps->irq_data); |
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return 0; |
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} |
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EXPORT_SYMBOL_GPL(tps65912_device_exit); |
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MODULE_AUTHOR("Andrew F. Davis <[email protected]>"); |
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MODULE_DESCRIPTION("TPS65912x MFD Driver"); |
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MODULE_LICENSE("GPL v2");
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