Input: gpio_mouse - add device tree probing

This makes the GPIO mouse probe nicely from the device tree if found in a
tree. As the driver uses device properties it can easily be amended to also
probe from ACPI devices.

Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c
index 6cd7159..a26d8be 100644 (file)
--- a/drivers/input/mouse/gpio_mouse.c
+++ b/drivers/input/mouse/gpio_mouse.c
@@ -14,6 +14,7 @@
 #include <linux/input-polldev.h>
 #include <linux/gpio/consumer.h>
 #include <linux/property.h>
+#include <linux/of.h>
 
 /**
  * struct gpio_mouse
@@ -156,10 +157,17 @@ static int gpio_mouse_probe(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id gpio_mouse_of_match[] = {
+       { .compatible = "gpio-mouse", },
+       { },
+};
+MODULE_DEVICE_TABLE(of, gpio_mouse_of_match);
+
 static struct platform_driver gpio_mouse_device_driver = {
        .probe          = gpio_mouse_probe,
        .driver         = {
                .name   = "gpio_mouse",
+               .of_match_table = gpio_mouse_of_match,
        }
 };
 module_platform_driver(gpio_mouse_device_driver);