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Subject[PATCH 4.19 057/114] watchdog: aspeed: Add support for AST2600
Date
From: Ryan Chen <ryan_chen@aspeedtech.com>

[ Upstream commit b3528b4874480818e38e4da019d655413c233e6a ]

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: Sasha Levin <sashal@kernel.org>
---
drivers/watchdog/aspeed_wdt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index 1abe4d021fd27..ffde179a9bb2c 100644
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -38,6 +38,7 @@ 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);
@@ -264,7 +265,8 @@ 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;
--
2.20.1


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