clocksource: sh_mtu2: Add DT support

Document DT bindings and parse them in the MTU2 driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Wolfram Sang <wsa@sang-engineering.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index b0c229f4b4c6..3d88698cf2b8 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -23,6 +23,7 @@
 #include <linux/ioport.h>
 #include <linux/irq.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
@@ -500,11 +501,18 @@ static const struct platform_device_id sh_mtu2_id_table[] = {
 };
 MODULE_DEVICE_TABLE(platform, sh_mtu2_id_table);
 
+static const struct of_device_id sh_mtu2_of_table[] __maybe_unused = {
+        { .compatible = "renesas,mtu2" },
+        { }
+};
+MODULE_DEVICE_TABLE(of, sh_mtu2_of_table);
+
 static struct platform_driver sh_mtu2_device_driver = {
         .probe          = sh_mtu2_probe,
         .remove         = sh_mtu2_remove,
         .driver         = {
                 .name   = "sh_mtu2",
+                .of_match_table = of_match_ptr(sh_mtu2_of_table),
         },
         .id_table       = sh_mtu2_id_table,
 };