diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-04-07 20:38:49 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-04-16 14:21:23 +0200 |
| commit | 0f04a81784fe3ddc00cae74c517265b3ddb8825c (patch) | |
| tree | 8ac0d315322f4b2a809ba00fda36b2b7c74619e5 /drivers/pinctrl/pinctrl-mcp23s08.h | |
| parent | 7b04aaaf660be525bf0df892a198a24ad66ac93d (diff) | |
pinctrl: mcp23s08: Split to three parts: core, I²C, SPI
Split the driver to three parts: core, I²C, SPI.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200407173849.43628-9-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-mcp23s08.h')
| -rw-r--r-- | drivers/pinctrl/pinctrl-mcp23s08.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.h b/drivers/pinctrl/pinctrl-mcp23s08.h new file mode 100644 index 000000000000..90dc27081a3c --- /dev/null +++ b/drivers/pinctrl/pinctrl-mcp23s08.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* MCP23S08 SPI/I2C GPIO driver */ + +#include <linux/gpio/driver.h> +#include <linux/irq.h> +#include <linux/mutex.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/types.h> + +/* + * MCP types supported by driver + */ +#define MCP_TYPE_S08 1 +#define MCP_TYPE_S17 2 +#define MCP_TYPE_008 3 +#define MCP_TYPE_017 4 +#define MCP_TYPE_S18 5 +#define MCP_TYPE_018 6 + +struct device; +struct regmap; + +struct pinctrl_dev; + +struct mcp23s08 { + u8 addr; + bool irq_active_high; + bool reg_shift; + + u16 irq_rise; + u16 irq_fall; + int irq; + bool irq_controller; + int cached_gpio; + /* lock protects regmap access with bypass/cache flags */ + struct mutex lock; + + struct gpio_chip chip; + struct irq_chip irq_chip; + + struct regmap *regmap; + struct device *dev; + + struct pinctrl_dev *pctldev; + struct pinctrl_desc pinctrl_desc; +}; + +extern const struct regmap_config mcp23x08_regmap; +extern const struct regmap_config mcp23x17_regmap; + +int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, + unsigned int addr, unsigned int type, unsigned int base); |