127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef __MT6360_LDO_H
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#define __MT6360_LDO_H
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#include <linux/mutex.h>
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#include <linux/crc8.h>
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#include <linux/interrupt.h>
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#include <linux/of.h>
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#include "config.h"
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#include <mt-plat/rt-regmap.h>
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#define mt_dbg(dev, fmt, ...) \
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do { \
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if (dbg_log_en) \
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dev_dbg(dev, fmt, ##__VA_ARGS__); \
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} while (0)
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enum {
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MT6360_LDO_LDO1,
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MT6360_LDO_LDO2,
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MT6360_LDO_LDO3,
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MT6360_LDO_LDO5,
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MT6360_LDO_MAX,
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};
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#define MT6360_LDO_CTRLS_NUM (5)
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struct mt6360_ldo_platform_data {
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struct regulator_init_data *init_data[MT6360_LDO_MAX];
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struct resource *irq_res;
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int irq_res_cnt;
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u32 sdcard_det_en;
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};
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struct mt6360_ldo_info {
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struct i2c_client *i2c;
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struct device *dev;
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struct rt_regmap_device *regmap;
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struct regulator_dev *rdev[MT6360_LDO_MAX];
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struct mutex io_lock;
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u8 crc8_table[CRC8_TABLE_SIZE];
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u8 chip_rev;
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};
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struct mt6360_ldo_irq_desc {
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const char *name;
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irq_handler_t irq_handler;
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int irq;
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};
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#define MT6360_LDO_IRQDESC(name) { #name, mt6360_ldo_##name##_handler, -1}
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/* register defininition */
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#define MT6360_LDO_RST_LDO_PAS_CODE1 (0x00)
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#define MT6360_LDO_RST_LDO_PAS_CODE2 (0x01)
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#define MT6360_LDO_RST_LDO (0x02)
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#define MT6360_LDO_RESV1 (0x03)
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#define MT6360_LDO_LDO3_EN_CTRL1 (0x04)
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#define MT6360_LDO_LDO3_EN_CTRL2 (0x05)
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#define MT6360_LDO_LDO3_CTRL0 (0x06)
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#define MT6360_LDO_LDO3_CTRL1 (0x07)
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#define MT6360_LDO_LDO3_CTRL2 (0x08)
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#define MT6360_LDO_LDO3_CTRL3 (0x09)
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#define MT6360_LDO_LDO5_EN_CTRL1 (0x0A)
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#define MT6360_LDO_LDO5_EN_CTRL2 (0x0B)
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#define MT6360_LDO_LDO5_CTRL0 (0x0C)
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#define MT6360_LDO_LDO5_CTRL1 (0x0D)
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#define MT6360_LDO_LDO5_CTRL2 (0x0E)
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#define MT6360_LDO_LDO5_CTRL3 (0x0F)
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#define MT6360_LDO_LDO2_EN_CTRL1 (0x10)
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#define MT6360_LDO_LDO2_EN_CTRL2 (0x11)
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#define MT6360_LDO_LDO2_CTRL0 (0x12)
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#define MT6360_LDO_LDO2_CTRL1 (0x13)
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#define MT6360_LDO_LDO2_CTRL2 (0x14)
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#define MT6360_LDO_LDO2_CTRL3 (0x15)
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#define MT6360_LDO_LDO1_EN_CTRL1 (0x16)
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#define MT6360_LDO_LDO1_EN_CTRL2 (0x17)
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#define MT6360_LDO_LDO1_CTRL0 (0x18)
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#define MT6360_LDO_LDO1_CTRL1 (0x19)
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#define MT6360_LDO_LDO1_CTRL2 (0x1A)
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#define MT6360_LDO_LDO1_CTRL3 (0x1B)
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#define MT6360_LDO_RESV2 (0x1C)
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#define MT6360_LDO_SPARE (0x20)
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#define MT6360_DT_VALPROP(name, type) \
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{#name, offsetof(type, name)}
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struct mt6360_val_prop {
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const char *name;
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size_t offset;
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};
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static inline void mt6360_dt_parser_helper(struct device_node *np, void *data,
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const struct mt6360_val_prop *props,
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int prop_cnt)
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{
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int i;
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for (i = 0; i < prop_cnt; i++) {
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if (unlikely(!props[i].name))
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continue;
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of_property_read_u32(np, props[i].name, data + props[i].offset);
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}
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}
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#define MT6360_PDATA_VALPROP(name, type, reg, shift, mask, func, base) \
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{offsetof(type, name), reg, shift, mask, func, base}
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struct mt6360_pdata_prop {
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size_t offset;
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u8 reg;
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u8 shift;
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u8 mask;
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u32 (*transform)(u32 val);
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u8 base;
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};
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extern int mt6360_ldo_regmap_register(struct mt6360_ldo_info *mli,
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struct rt_regmap_fops *fops);
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extern void mt6360_ldo_regmap_unregister(struct mt6360_ldo_info *mli);
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#endif /* __MT6360_LDO_H */
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