116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
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/*
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* Functions and registers to access sunxi_pmc power management chip.
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*
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* Copyright (C) 2013, Carlo Caione <carlo@caione.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* 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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#ifndef __LINUX_MFD_SUNXI_PMC_H
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#define __LINUX_MFD_SUNXI_PMC_H
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#include <linux/regmap.h>
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/*
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* PMC_V1_ID SUPPORT:sun8iw21p1,
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*
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* */
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enum {
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PMC_V1_ID = 0,
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NR_PMC_VARIANTS,
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};
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extern int pmc_debug_mask;
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/* For pmc */
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#define PAD_CTRL_REG (0x08)
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#define PMC_CTRL_EN_REG (0x10)
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#define PMC_DLY_CTRL_REG (0x14)
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#define SW_CFG_REG (0x18)
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#define PWRON_INT_EN_REG (0x1C)
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#define PMC_STATUS_REG (0x20)
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#define PWR_EN_CFG_REG (0x30)
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#define RST_DLY_SEL_REG (0x34)
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#define PMC_BYP_ST_REG (0x50)
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#define PMC_ADDR_EXT (0x100)
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#define PMC_VBUS_STATUS BIT(8)
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/* Regulators IDs */
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enum {
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PMC_DCDC1 = 0,
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PMC_DCDC2,
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PMC_DCDC3,
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PMC_LDOA,
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PMC_ALDO,
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PMC_RTCLDO,
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PMC_LDO33,
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PMC_LDO09,
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PMC_REG_ID_MAX,
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};
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/* IRQs */
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enum pmc_irqs {
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PMC_IRQ_PWRON_INT_NEG,
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PMC_IRQ_PWRON_INT_POS,
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PMC_IRQ_PWRON_INT_SLVL,
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PMC_IRQ_PWRON_INT_LLVL,
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PMC_IRQ_PWRON_INT_SUPER_KEY,
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PMC_IRQ_IRQ_INT_POS,
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PMC_IRQ_IRQ_INT_NEG,
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PMC_IRQ_PWR_VBUS_IN_INT,
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PMC_IRQ_PWR_VBUS_OUT_INT,
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};
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struct sunxi_pmc_dev {
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struct device *dev;
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int irq;
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struct regmap *regmap;
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struct regmap_irq_chip_data *regmap_irqc;
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long variant;
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int nr_cells;
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struct mfd_cell *cells;
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const struct regmap_config *regmap_cfg;
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const struct regmap_irq_chip *regmap_irq_chip;
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void (*dts_parse)(struct sunxi_pmc_dev *);
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};
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/**
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* sunxi_pmc_match_device(): Setup sunxi_pmc variant related fields
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*
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* @sunxi_pmc: sunxi_pmc device to setup (.dev field must be set)
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* @dev: device associated with this sunxi_pmc device
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*
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* This lets the sunxi_pmc core configure the mfd cells and register maps
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* for later use.
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*/
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int sunxi_pmc_match_device(struct sunxi_pmc_dev *sunxi_pmc);
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/**
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* sunxi_pmc_device_probe(): Probe a configured sunxi_pmc device
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*
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* @sunxi_pmc: sunxi_pmc device to probe (must be configured)
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*
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* This function lets the sunxi_pmc core register the sunxi_pmc mfd devices
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* and irqchip. The sunxi_pmc device passed in must be fully configured
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* with sunxi_pmc_match_device, its irq set, and regmap created.
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*/
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int sunxi_pmc_device_probe(struct sunxi_pmc_dev *sunxi_pmc);
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/**
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* sunxi_pmc_device_probe(): Remove a sunxi_pmc device
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*
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* @sunxi_pmc: sunxi_pmc device to remove
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*
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* This tells the sunxi_pmc core to remove the associated mfd devices
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*/
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int sunxi_pmc_device_remove(struct sunxi_pmc_dev *sunxi_pmc);
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#endif /* __LINUX_MFD_SUNXI_PMC_H */
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