[PATCH v8 7/7] arm64: dts: ti: k3-j712s2-mcu: Add the mcu domain watchdog instances
Keerthy
j-keerthy at ti.com
Sat Oct 7 21:46:57 PDT 2023
There are totally 2 instances of watchdog module in MCU domain.
These instances are coupled with the MCU domain R5F instances.
Reserving them as they are not used by A72.
Signed-off-by: Keerthy <j-keerthy at ti.com>
---
.../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index f94aa3a34e22..00a908a7d7ff 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -709,4 +709,30 @@
ti,esm-pins = <63>;
bootph-pre-ram;
};
+
+ /*
+ * The 2 RTI instances are couple with MCU R5Fs so keeping them
+ * reserved as these will be used by their respective firmware
+ */
+ mcu_watchdog0: watchdog at 40600000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x40600000 0x00 0x100>;
+ clocks = <&k3_clks 295 1>;
+ power-domains = <&k3_pds 295 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 295 1>;
+ assigned-clock-parents = <&k3_clks 295 5>;
+ /* reserved for MCU_R5F0_0 */
+ status = "reserved";
+ };
+
+ mcu_watchdog1: watchdog at 40610000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x40610000 0x00 0x100>;
+ clocks = <&k3_clks 296 1>;
+ power-domains = <&k3_pds 296 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 296 1>;
+ assigned-clock-parents = <&k3_clks 296 5>;
+ /* reserved for MCU_R5F0_1 */
+ status = "reserved";
+ };
};
--
2.17.1
More information about the linux-arm-kernel
mailing list