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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/pinctrl/pinctrl-mcp23s08.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
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 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.h b/drivers/pinctrl/pinctrl-mcp23s08.h new file mode 100644 index 000000000..b8d15939e --- /dev/null +++ b/drivers/pinctrl/pinctrl-mcp23s08.h @@ -0,0 +1,53 @@ +/* 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; + struct gpio_desc *reset_gpio; +}; + +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); |