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authorAlexander Shiyan <shc_work@mail.ru>2013-04-26 17:47:30 +0200
committerOlof Johansson <olof@lixom.net>2013-06-12 00:44:57 +0200
commita180132f270a96d3b0e1e290b2911647abe9ed8e (patch)
tree3d4e620cb40fc29ea0611be50167f74413063a4f /drivers/gpio/gpio-clps711x.c
parentGPIO: clps711x: Rewrite driver for using generic GPIO code (diff)
downloadlinux-a180132f270a96d3b0e1e290b2911647abe9ed8e.tar.xz
linux-a180132f270a96d3b0e1e290b2911647abe9ed8e.zip
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>
Diffstat (limited to '')
-rw-r--r--drivers/gpio/gpio-clps711x.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c
index 6ce8a8c1669e..0edaf2ce9266 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 @@ static int clps711x_gpio_remove(struct platform_device *pdev)
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,