Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / pinctrl / pinctrl-mcp23s08.h
blob90dc27081a3ce45299d2b2ed9d66e19296468ac4
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* MCP23S08 SPI/I2C GPIO driver */
4 #include <linux/gpio/driver.h>
5 #include <linux/irq.h>
6 #include <linux/mutex.h>
7 #include <linux/pinctrl/pinctrl.h>
8 #include <linux/types.h>
11 * MCP types supported by driver
13 #define MCP_TYPE_S08 1
14 #define MCP_TYPE_S17 2
15 #define MCP_TYPE_008 3
16 #define MCP_TYPE_017 4
17 #define MCP_TYPE_S18 5
18 #define MCP_TYPE_018 6
20 struct device;
21 struct regmap;
23 struct pinctrl_dev;
25 struct mcp23s08 {
26 u8 addr;
27 bool irq_active_high;
28 bool reg_shift;
30 u16 irq_rise;
31 u16 irq_fall;
32 int irq;
33 bool irq_controller;
34 int cached_gpio;
35 /* lock protects regmap access with bypass/cache flags */
36 struct mutex lock;
38 struct gpio_chip chip;
39 struct irq_chip irq_chip;
41 struct regmap *regmap;
42 struct device *dev;
44 struct pinctrl_dev *pctldev;
45 struct pinctrl_desc pinctrl_desc;
48 extern const struct regmap_config mcp23x08_regmap;
49 extern const struct regmap_config mcp23x17_regmap;
51 int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
52 unsigned int addr, unsigned int type, unsigned int base);