arm64: tegra: p3310: Enable on-die RTC

The on-die RTC isn't hooked up to a backup battery, so it isn't useful
to track time across reboots, but as long as power remains enabled, it
keeps track of time accurately and can be used to wake the system from
sleep, for example.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index 13f57fff147742c22f889412e866dfc64a40ecd5..b539561e7877f23545cf16f7b54dd46a4b9c1d90 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -124,6 +124,10 @@ i2c@c250000 {
                status = "okay";
        };
 
+       rtc@c2a0000 {
+               status = "okay";
+       };
+
        pmc@c360000 {
                nvidia,invert-interrupt;
        };