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

From: Alistair Francis
Date: Thu Mar 25 2021 - 21:53:45 EST


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

Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx>
---
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