diff options
Diffstat (limited to 'drivers/input/keyboard/gpio_keys.c')
| -rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 8f3a24e15402..d4dd78a7d56b 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -29,6 +29,7 @@ #include <linux/of.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> +#include <linux/of_irq.h> #include <linux/spinlock.h> struct gpio_button_data { @@ -617,27 +618,31 @@ gpio_keys_get_devtree_pdata(struct device *dev) i = 0; for_each_child_of_node(node, pp) { - int gpio; + int gpio = -1; enum of_gpio_flags flags; - if (!of_find_property(pp, "gpios", NULL)) { - pdata->nbuttons--; - dev_warn(dev, "Found button without gpios\n"); - continue; - } + button = &pdata->buttons[i++]; - gpio = of_get_gpio_flags(pp, 0, &flags); - if (gpio < 0) { - error = gpio; - if (error != -EPROBE_DEFER) - dev_err(dev, - "Failed to get gpio flags, error: %d\n", - error); - return ERR_PTR(error); + if (!of_find_property(pp, "gpios", NULL)) { + button->irq = irq_of_parse_and_map(pp, 0); + if (button->irq == 0) { + i--; + pdata->nbuttons--; + dev_warn(dev, "Found button without gpios or irqs\n"); + continue; + } + } else { + gpio = of_get_gpio_flags(pp, 0, &flags); + if (gpio < 0) { + error = gpio; + if (error != -EPROBE_DEFER) + dev_err(dev, + "Failed to get gpio flags, error: %d\n", + error); + return ERR_PTR(error); + } } - button = &pdata->buttons[i++]; - button->gpio = gpio; button->active_low = flags & OF_GPIO_ACTIVE_LOW; |