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[1/2] arm64: tegra: Add RTC support on Tegra186

Message ID 20181128164941.6097-1-thierry.reding@gmail.com
State Accepted
Headers show
Series [1/2] arm64: tegra: Add RTC support on Tegra186 | expand

Commit Message

Thierry Reding Nov. 28, 2018, 4:49 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

The RTC on Tegra186 is very similar to the RTC on earlier generations.
One notable exception is that the source clock is now the 32 kHz clock
instead of a dedicated RTC clock and the RTC alarm is a wake event and
can be used to wake the system from sleep.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 2f3c8e29520d..3bda45ac8c39 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -395,6 +395,16 @@ 
 		status = "disabled";
 	};
 
+	rtc: rtc@c2a0000 {
+		compatible = "nvidia,tegra186-rtc", "nvidia,tegra20-rtc";
+		reg = <0 0x0c2a0000 0 0x10000>;
+		interrupt-parent = <&pmc>;
+		interrupts = <73 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&bpmp TEGRA186_CLK_CLK_32K>;
+		clock-names = "rtc";
+		status = "disabled";
+	};
+
 	gpio_aon: gpio@c2f0000 {
 		compatible = "nvidia,tegra186-gpio-aon";
 		reg-names = "security", "gpio";