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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/pinctrl/pinctrl-mcp23s08.h | |
| parent | Initial commit. (diff) | |
| download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.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 000000000..90dc27081 --- /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); |