[5/5] input: mouse: Add device tree probing to GPIO mouse

Message ID 20170917111445.30880-6-linus.walleij@linaro.org
State New
Headers show
Series
  • Input: make the GPIO mouse useful
Related show

Commit Message

Linus Walleij Sept. 17, 2017, 11:14 a.m.
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.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

---
 drivers/input/mouse/gpio_mouse.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

-- 
2.13.5

--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch

diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c
index 7bd2a8ac6e6e..bf748efb270a 100644
--- 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
@@ -160,11 +161,18 @@  static int gpio_mouse_remove(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,
 	.remove		= gpio_mouse_remove,
 	.driver		= {
 		.name	= "gpio_mouse",
+		.of_match_table = gpio_mouse_of_match,
 	}
 };
 module_platform_driver(gpio_mouse_device_driver);
@@ -173,4 +181,3 @@  MODULE_AUTHOR("Hans-Christian Egtvedt <egtvedt@samfundet.no>");
 MODULE_DESCRIPTION("GPIO mouse driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:gpio_mouse"); /* work with hotplug and coldplug */
-