GPIO: clps711x: Add DT support
Add DT support to the CLPS711X GPIO driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c
index 6ce8a8c..0edaf2c 100644
--- a/drivers/gpio/gpio-clps711x.c
+++ b/drivers/gpio/gpio-clps711x.c
@@ -17,10 +17,11 @@
static int clps711x_gpio_probe(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
void __iomem *dat, *dir;
struct bgpio_chip *bgc;
struct resource *res;
- int err, id = pdev->id;
+ int err, id = np ? of_alias_get_id(np, "gpio") : pdev->id;
if ((id < 0) || (id > 4))
return -ENODEV;
@@ -76,10 +77,17 @@
return bgpio_remove(bgc);
}
+static const struct of_device_id clps711x_gpio_ids[] = {
+ { .compatible = "cirrus,clps711x-gpio" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, clps711x_gpio_ids);
+
static struct platform_driver clps711x_gpio_driver = {
.driver = {
- .name = "clps711x-gpio",
- .owner = THIS_MODULE,
+ .name = "clps711x-gpio",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(clps711x_gpio_ids),
},
.probe = clps711x_gpio_probe,
.remove = clps711x_gpio_remove,