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pinctrl/gpio: non-linear GPIO ranges accesible from gpiolib

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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>
This commit is contained in:
Christian Ruppert
2013-10-15 15:37:54 +02:00
committed by Linus Walleij
parent c8ce878206
commit 586a87e6ed
7 changed files with 176 additions and 9 deletions
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3
include/linux/pinctrl/pinctrl.h
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@@ -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);