From: Ryan Chen <ryan_chen@aspeedtech.com>
Date: Mon, 19 Aug 2019 14:47:38 +0930
Subject: watchdog: aspeed: Add support for AST2600
Git-commit: b3528b4874480818e38e4da019d655413c233e6a
Patch-mainline: 5.4-rc1
References: bnc#1151927 5.3.6

The ast2600 can be supported by the same code as the ast2500.

Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190819051738.17370-3-joel@jms.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/watchdog/aspeed_wdt.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -34,6 +34,7 @@ static const struct aspeed_wdt_config as
 static const struct of_device_id aspeed_wdt_of_table[] = {
 	{ .compatible = "aspeed,ast2400-wdt", .data = &ast2400_config },
 	{ .compatible = "aspeed,ast2500-wdt", .data = &ast2500_config },
+	{ .compatible = "aspeed,ast2600-wdt", .data = &ast2500_config },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table);
@@ -259,7 +260,8 @@ static int aspeed_wdt_probe(struct platf
 		set_bit(WDOG_HW_RUNNING, &wdt->wdd.status);
 	}
 
-	if (of_device_is_compatible(np, "aspeed,ast2500-wdt")) {
+	if ((of_device_is_compatible(np, "aspeed,ast2500-wdt")) ||
+		(of_device_is_compatible(np, "aspeed,ast2600-wdt"))) {
 		u32 reg = readl(wdt->base + WDT_RESET_WIDTH);
 
 		reg &= config->ext_pulse_width_mask;