2 * Murata ZPA2326 pressure and temperature sensor IIO driver
4 * Copyright (c) 2016 Parrot S.A.
6 * Author: Gregor Boirie <gregor.boirie@parrot.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published by
10 * the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
22 #define ZPA2326_REF_P_XL_REG (0x8)
23 #define ZPA2326_REF_P_L_REG (0x9)
24 #define ZPA2326_REF_P_H_REG (0xa)
25 #define ZPA2326_DEVICE_ID_REG (0xf)
26 #define ZPA2326_DEVICE_ID (0xb9)
27 #define ZPA2326_RES_CONF_REG (0x10)
28 #define ZPA2326_CTRL_REG0_REG (0x20)
29 #define ZPA2326_CTRL_REG0_ONE_SHOT BIT(0)
30 #define ZPA2326_CTRL_REG0_ENABLE BIT(1)
31 #define ZPA2326_CTRL_REG1_REG (0x21)
32 #define ZPA2326_CTRL_REG1_MASK_DATA_READY BIT(2)
33 #define ZPA2326_CTRL_REG2_REG (0x22)
34 #define ZPA2326_CTRL_REG2_SWRESET BIT(2)
35 #define ZPA2326_CTRL_REG3_REG (0x23)
36 #define ZPA2326_CTRL_REG3_ODR_SHIFT (4)
37 #define ZPA2326_CTRL_REG3_ENABLE_MEAS BIT(7)
38 #define ZPA2326_INT_SOURCE_REG (0x24)
39 #define ZPA2326_INT_SOURCE_DATA_READY BIT(2)
40 #define ZPA2326_THS_P_LOW_REG (0x25)
41 #define ZPA2326_THS_P_HIGH_REG (0x26)
42 #define ZPA2326_STATUS_REG (0x27)
43 #define ZPA2326_STATUS_P_DA BIT(1)
44 #define ZPA2326_STATUS_FIFO_E BIT(2)
45 #define ZPA2326_STATUS_P_OR BIT(5)
46 #define ZPA2326_PRESS_OUT_XL_REG (0x28)
47 #define ZPA2326_PRESS_OUT_L_REG (0x29)
48 #define ZPA2326_PRESS_OUT_H_REG (0x2a)
49 #define ZPA2326_TEMP_OUT_L_REG (0x2b)
50 #define ZPA2326_TEMP_OUT_H_REG (0x2c)
55 bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg);
56 bool zpa2326_isreg_readable(struct device *dev, unsigned int reg);
57 bool zpa2326_isreg_precious(struct device *dev, unsigned int reg);
60 * zpa2326_probe() - Instantiate and register core ZPA2326 IIO device
61 * @parent: Hardware sampling device the created IIO device will be a child of.
62 * @name: Arbitrary name to identify the device.
63 * @irq: Interrupt line, negative if none.
64 * @hwid: Expected device hardware id.
65 * @regmap: Registers map used to abstract underlying bus accesses.
67 * Return: Zero when successful, a negative error code otherwise.
69 int zpa2326_probe(struct device *parent,
73 struct regmap *regmap);
76 * zpa2326_remove() - Unregister and destroy core ZPA2326 IIO device.
77 * @parent: Hardware sampling device the IIO device to remove is a child of.
79 void zpa2326_remove(const struct device *parent);
83 extern const struct dev_pm_ops zpa2326_pm_ops;
84 #define ZPA2326_PM_OPS (&zpa2326_pm_ops)
86 #define ZPA2326_PM_OPS (NULL)