diff options
| author | Christian Ruppert <christian.ruppert@abilis.com> | 2013-10-15 15:37:54 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-10-16 15:33:50 +0200 |
| commit | 586a87e6edc936d6d3c3585af504b33b9c3f0a06 (patch) | |
| tree | e3a8b9960ef9b6f9e28eaf235790889f5ddf886e /include | |
| parent | pincntrl: add support for ams AS3722 pin control driver (diff) | |
| download | linux-586a87e6edc936d6d3c3585af504b33b9c3f0a06.tar.xz linux-586a87e6edc936d6d3c3585af504b33b9c3f0a06.zip | |
pinctrl/gpio: non-linear GPIO ranges accesible from gpiolib
This patch adds the infrastructure required to register non-linear gpio
ranges through gpiolib and the standard GPIO device tree bindings.
Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/gpio.h | 10 | ||||
| -rw-r--r-- | include/linux/gpio.h | 10 | ||||
| -rw-r--r-- | include/linux/pinctrl/pinctrl.h | 3 |
3 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index bde646995d10..523f40525535 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -228,6 +228,9 @@ struct gpio_pin_range { int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, unsigned int gpio_offset, unsigned int pin_offset, unsigned int npins); +int gpiochip_add_pingroup_range(struct gpio_chip *chip, + struct pinctrl_dev *pctldev, + unsigned int gpio_offset, const char *pin_group); void gpiochip_remove_pin_ranges(struct gpio_chip *chip); #else @@ -239,6 +242,13 @@ gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, { return 0; } +static inline int +gpiochip_add_pingroup_range(struct gpio_chip *chip, + struct pinctrl_dev *pctldev, + unsigned int gpio_offset, const char *pin_group) +{ + return 0; +} static inline void gpiochip_remove_pin_ranges(struct gpio_chip *chip) diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 552e3f46e4a3..b8d0e53a802f 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -80,6 +80,7 @@ static inline int irq_to_gpio(unsigned int irq) #include <linux/types.h> #include <linux/errno.h> #include <linux/bug.h> +#include <linux/pinctrl/pinctrl.h> struct device; struct gpio_chip; @@ -220,6 +221,15 @@ gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, return -EINVAL; } +static inline int +gpiochip_add_pingroup_range(struct gpio_chip *chip, + struct pinctrl_dev *pctldev, + unsigned int gpio_offset, const char *pin_group) +{ + WARN_ON(1); + return -EINVAL; +} + static inline void gpiochip_remove_pin_ranges(struct gpio_chip *chip) { diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 5979147d2bda..fefb88663975 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -144,6 +144,9 @@ extern struct pinctrl_dev *pinctrl_find_and_add_gpio_range(const char *devname, extern struct pinctrl_gpio_range * pinctrl_find_gpio_range_from_pin(struct pinctrl_dev *pctldev, unsigned int pin); +extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + const char *pin_group, const unsigned **pins, + unsigned *num_pins); #ifdef CONFIG_OF extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np); |