watchdog: aspeed: Add support for AST2600

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>

diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index cc71861..5b64bc2 100644 (file)
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -34,6 +34,7 @@ static const struct aspeed_wdt_config ast2500_config = {
 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 platform_device *pdev)
                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;