linux-kernel - [PATCH v3 3/9] Input: wacom_i2c - Add device tree support to wacom

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Message-Id: <20210321141049.148-4-alistair@alistair23.me>
Date:   Sun, 21 Mar 2021 10:10:43 -0400
From:   Alistair Francis <alistair@...stair23.me>
To:     dmitry.torokhov@...il.com, linux-input@...r.kernel.org,
        linux-imx@....com, kernel@...gutronix.de
Cc:     linux-kernel@...r.kernel.org, alistair23@...il.com,
        Alistair Francis <alistair@...stair23.me>
Subject: [PATCH v3 3/9] Input: wacom_i2c - Add device tree support to wacom_i2c

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

Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
 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..fc0bf583d33b 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[] __maybe_unused = {
+	{ .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 = of_match_ptr(wacom_i2c_of_match_table),
 	},
 
 	.probe		= wacom_i2c_probe,
-- 
2.30.1