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arm64: dts: ti: k3-am62-wakeup: Introduce RTC node

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Introduce digital RTC node in wakeup domain. Even though this has
no specific battery backup supply, this on-chip RTC is used in
cost-optimized board designs as a wakeup source.

Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230320165123.80561-2-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Nishanth Menon
2023-03-20 11:51:22 -05:00
parent 4beba5cf9e
commit 0c51ceeebf
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
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@@ -40,4 +40,14 @@ wkup_i2c0: i2c@2b200000 {
clock-names = "fck";
status = "disabled";
};
wkup_rtc0: rtc@2b1f0000 {
compatible = "ti,am62-rtc";
reg = <0x00 0x2b1f0000 0x00 0x100>;
interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&k3_clks 117 6> , <&k3_clks 117 0>;
clock-names = "vbus", "osc32k";
power-domains = <&k3_pds 117 TI_SCI_PD_EXCLUSIVE>;
wakeup-source;
};
};