MIPS: ath79: add common watchdog device
All supported SoCs have a built-in hardware watchdog driver. This patch
registers a platform_device for that to make it usable.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Cliff Holden <Cliff.Holden@Atheros.com>
Cc: Kathy Giori <Kathy.Giori@Atheros.com>
Patchwork: https://patchwork.linux-mips.org/patch/1955/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/ath79/dev-common.c b/arch/mips/ath79/dev-common.c
index 3cfa100..3b82e32 100644
--- a/arch/mips/ath79/dev-common.c
+++ b/arch/mips/ath79/dev-common.c
@@ -65,3 +65,13 @@
ath79_uart_data[0].uartclk = clk_get_rate(clk);
platform_device_register(&ath79_uart_device);
}
+
+static struct platform_device ath79_wdt_device = {
+ .name = "ath79-wdt",
+ .id = -1,
+};
+
+void __init ath79_register_wdt(void)
+{
+ platform_device_register(&ath79_wdt_device);
+}
diff --git a/arch/mips/ath79/dev-common.h b/arch/mips/ath79/dev-common.h
index 248622c..0f514e1 100644
--- a/arch/mips/ath79/dev-common.h
+++ b/arch/mips/ath79/dev-common.h
@@ -13,5 +13,6 @@
#define _ATH79_DEV_COMMON_H
void ath79_register_uart(void);
+void ath79_register_wdt(void);
#endif /* _ATH79_DEV_COMMON_H */
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 5e57402..159b42f 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -186,6 +186,7 @@
{
ath79_gpio_init();
ath79_register_uart();
+ ath79_register_wdt();
mips_machine_setup();