[RFC 5/5] rtc-at91rm9200: add support for at91sam9x5

[Johan Hovold <jhovold@gmail.com>]

Add support for the at91sam9x5-family which must use the shadow
interrupt mask due to a hardware issue.
---
 drivers/rtc/rtc-at91rm9200.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 2921866..f3e351f 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -318,12 +318,20 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 static const struct at91_rtc_config at91rm9200_config = {
 };
 
+static const struct at91_rtc_config at91sam9x5_config = {
+	.use_shadow_imr = true,
+};
+
 #if defined(CONFIG_OF)
 static const struct of_device_id at91_rtc_dt_ids[] = {
 	{
 		.compatible = "atmel,at91rm9200-rtc",
 		.data = &at91rm9200_config,
 	},
+	{
+		.compatible = "atmel,at91sam9x5-rtc",
+		.data = &at91sam9x5_config,
+	},
 		/* terminator */
 	}
 };
-- 
1.8.1.5