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| 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 /drivers/pinctrl/core.c | |
| parent | c8ce878206076b159ee9488133aa51314570da38 (diff) | |
| download | linux-586a87e6edc936d6d3c3585af504b33b9c3f0a06.tar.gz linux-586a87e6edc936d6d3c3585af504b33b9c3f0a06.tar.bz2 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 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 92f86ab30a13..5ee61a470016 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -462,6 +462,20 @@ struct pinctrl_dev *pinctrl_find_and_add_gpio_range(const char *devname, } EXPORT_SYMBOL_GPL(pinctrl_find_and_add_gpio_range); +int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, const char *pin_group, + const unsigned **pins, unsigned *num_pins) +{ + const struct pinctrl_ops *pctlops = pctldev->desc->pctlops; + int gs; + + gs = pinctrl_get_group_selector(pctldev, pin_group); + if (gs < 0) + return gs; + + return pctlops->get_group_pins(pctldev, gs, pins, num_pins); +} +EXPORT_SYMBOL_GPL(pinctrl_get_group_pins); + /** * pinctrl_find_gpio_range_from_pin() - locate the GPIO range for a pin * @pctldev: the pin controller device to look in |