On 2/20/2021 6:49 AM, Jan Kiszka wrote:
From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Add the DT entry for a watchdog based on RTI1.
On SR1.0 silicon, it requires additional firmware on the MCU R5F cores
to handle the expiry, e.g. https://github.com/siemens/k3-rti-wdt. As
this firmware will also lock the power domain to protect it against
premature shutdown, mark it shared.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Acked-by: Praneeth Bajjuri <praneeth@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 7454c8cec0cc..903796bf7d64 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -308,4 +308,13 @@ mcu_r5fss0_core1: r5f@41400000 {
ti,loczrama = <1>;
};
};
+
+ mcu_rti1: rti@40610000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x0 0x40610000 0x0 0x100>;
+ clocks = <&k3_clks 135 0>;
+ power-domains = <&k3_pds 135 TI_SCI_PD_SHARED>;
+ assigned-clocks = <&k3_clks 135 0>;
+ assigned-clock-parents = <&k3_clks 135 4>;
+ };
};
--
2.26.2
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