wdt: ts72xx: add DT support for ts72xx

Add OF ID match table.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/watchdog/ts72xx_wdt.c

@@ -12,6 +12,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/watchdog.h>
 #include <linux/io.h>
@@ -160,10 +161,17 @@ static int ts72xx_wdt_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id ts72xx_wdt_of_ids[] = {
+	{ .compatible = "technologic,ts7200-wdt" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ts72xx_wdt_of_ids);
+
 static struct platform_driver ts72xx_wdt_driver = {
 	.probe		= ts72xx_wdt_probe,
 	.driver		= {
 		.name	= "ts72xx-wdt",
+		.of_match_table = ts72xx_wdt_of_ids,
 	},
 };