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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-09-05 12:59:29 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-09-05 12:59:29 +0200 |
| commit | 978b0739dc9289e663283b2f275a5c0eed9ce01f (patch) | |
| tree | 2b8abbd353f0b4e7d45b03e826c8909cd2cd72ab /include | |
| parent | 40126ad7f81a115accc3297daf8383d7722a9e70 (diff) | |
| parent | 61caefcf2518457247fbe405df8e39e029b41938 (diff) | |
| download | barebox-978b0739dc9289e663283b2f275a5c0eed9ce01f.tar.gz barebox-978b0739dc9289e663283b2f275a5c0eed9ce01f.tar.xz | |
Merge branch 'for-next/gpiolib'
Diffstat (limited to 'include')
| -rw-r--r-- | include/gpio.h | 27 | ||||
| -rw-r--r-- | include/mfd/stmpe-i2c.h | 53 |
2 files changed, 79 insertions, 1 deletions
diff --git a/include/gpio.h b/include/gpio.h index b7d840211a..9fb11c3268 100644 --- a/include/gpio.h +++ b/include/gpio.h @@ -5,10 +5,35 @@ static inline int gpio_request(unsigned gpio, const char *label) { - return 0; + return 0; } static inline void gpio_free(unsigned gpio) { } + +struct gpio_chip; + +struct gpio_ops { + int (*direction_input)(struct gpio_chip *chip, unsigned offset); + int (*direction_output)(struct gpio_chip *chip, unsigned offset, int value); + int (*get)(struct gpio_chip *chip, unsigned offset); + void (*set)(struct gpio_chip *chip, unsigned offset, int value); +}; + +struct gpio_chip { + struct device_d *dev; + + int base; + int ngpio; + + struct gpio_ops *ops; + + struct list_head list; +}; + +int gpiochip_add(struct gpio_chip *chip); + +int gpio_get_num(struct device_d *dev, int gpio); + #endif /* __GPIO_H */ diff --git a/include/mfd/stmpe-i2c.h b/include/mfd/stmpe-i2c.h new file mode 100644 index 0000000000..5f073d22d2 --- /dev/null +++ b/include/mfd/stmpe-i2c.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2012 Pengutronix + * Steffen Trumtrar <s.trumtrar@pengutronix.de> + * + * This file is released under the GPLv2 + * + */ + +#ifndef __ASM_ARCH_STMPE_H +#define __ASM_ARCH_STMPE_H + +enum stmpe_revision { + STMPE610, + STMPE801, + STMPE811, + STMPE1601, + STMPE2401, + STMPE2403, + STMPE_NBR_PARTS +}; + +enum stmpe_blocks { + STMPE_BLOCK_GPIO = 1 << 0, + STMPE_BLOCK_KEYPAD = 1 << 1, + STMPE_BLOCK_TOUCHSCREEN = 1 << 2, + STMPE_BLOCK_ADC = 1 << 3, + STMPE_BLOCK_PWM = 1 << 4, + STMPE_BLOCK_ROTATOR = 1 << 5, +}; + +struct stmpe_platform_data { + enum stmpe_revision revision; + enum stmpe_blocks blocks; + int gpio_base; +}; + +struct stmpe { + struct cdev cdev; + struct i2c_client *client; + struct stmpe_platform_data *pdata; +}; + +struct stmpe_client_info { + struct stmpe *stmpe; + int (*read_reg)(struct stmpe *stmpe, u32 reg, u8 *val); + int (*write_reg)(struct stmpe *stmpe, u32 reg, u8 val); +}; + +int stmpe_reg_read(struct stmpe *priv, u32 reg, u8 *val); +int stmpe_reg_write(struct stmpe *priv, u32 reg, u8 val); +int stmpe_set_bits(struct stmpe *priv, u32 reg, u8 mask, u8 val); + +#endif /* __ASM_ARCH_STMPE_H */ |