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arm64: tegra: Add RTC support on Tegra194

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The RTC on Tegra194 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>
This commit is contained in:
Thierry Reding 2018-11-28 17:50:49 +01:00
parent 38ecf1e5f4
commit 37e5a31df5
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/nvidia/tegra194.dtsi
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@ -399,6 +399,16 @@
status = "disabled";
};
rtc: rtc@c2a0000 {
compatible = "nvidia,tegra194-rtc", "nvidia,tegra20-rtc";
reg = <0x0c2a0000 0x10000>;
interrupt-parent = <&pmc>;
interrupts = <73 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&bpmp TEGRA194_CLK_CLK_32K>;
clock-names = "rtc";
status = "disabled";
};
pwm4: pwm@c340000 {
compatible = "nvidia,tegra194-pwm",
"nvidia,tegra186-pwm";