ARM: at91/dt: enable the RTT block on the sam9g20ek board

Enable the RTT and GPBR devices and specify the general purpose register
used to store the current time.

Enable wakeup on RTT event on the shutdown controller device.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index d2919108e92d656dea8e7b4e353221a822fdb70b..dfaacb113f2ed5b0d01b664b141dcd79c2461c94 100644 (file)
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -112,9 +112,23 @@
                                };
                        };
 
+                       shdwc@fffffd10 {
+                               atmel,wakeup-counter = <10>;
+                               atmel,wakeup-rtt-timer;
+                       };
+
+                       rtc@fffffd20 {
+                               atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+                               status = "okay";
+                       };
+
                        watchdog@fffffd40 {
                                status = "okay";
                        };
+
+                       gpbr: syscon@fffffd50 {
+                               status = "okay";
+                       };
                };
 
                nand0: nand@40000000 {