[PATCH v4 03/10] Input: wacom_i2c - Add device tree support to wacom_i2c

[Alistair Francis]

Allow the wacom-i2c device to be exposed via device tree.

Signed-off-by: Alistair Francis <alist...@alistair23.me>
---
v4:
 - Avoid unused variable warning by not using of_match_ptr()

 drivers/input/touchscreen/wacom_i2c.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/input/touchscreen/wacom_i2c.c 
b/drivers/input/touchscreen/wacom_i2c.c
index 1afc6bde2891..eada68770671 100644
--- a/drivers/input/touchscreen/wacom_i2c.c
+++ b/drivers/input/touchscreen/wacom_i2c.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/of.h>
 #include <asm/unaligned.h>
 
 #define WACOM_CMD_QUERY0       0x04
@@ -262,10 +263,17 @@ static const struct i2c_device_id wacom_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, wacom_i2c_id);
 
+static const struct of_device_id wacom_i2c_of_match_table[] = {
+       { .compatible = "wacom,generic" },
+       {}
+};
+MODULE_DEVICE_TABLE(of, wacom_i2c_of_match_table);
+
 static struct i2c_driver wacom_i2c_driver = {
        .driver = {
                .name   = "wacom_i2c",
                .pm     = &wacom_i2c_pm,
+               .of_match_table = wacom_i2c_of_match_table,
        },
 
        .probe          = wacom_i2c_probe,
-- 
2.31.0