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arm64: dts: ti: k3-am62a: Add ESM nodes

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Add Error Signaling Module (ESM) instances in MCU and MAIN domains,
set ESM interrupt sources for rti as per TRM [0] 10.4 Interrupt
Sources.

Add comments to describe what interrupt sources are routed to ESM
modules.

[0] https://www.ti.com/lit/pdf/spruj16

Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20240815204833.452132-2-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Judith Mendez
2024-08-15 15:48:28 -05:00
committed by Nishanth Menon
parent cc3a295ebb
commit 54ed32742a
2 changed files with 16 additions and 0 deletions
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arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+8
View File
@@ -265,6 +265,14 @@
pinctrl-single,function-mask = <0xffffffff>;
};
main_esm: esm@420000 {
compatible = "ti,j721e-esm";
reg = <0x0 0x420000 0x0 0x1000>;
bootph-pre-ram;
/* Interrupt sources: rti0, rti1, wrti0, rti4, rti2, rti3 */
ti,esm-pins = <192>, <193>, <195>, <204>, <209>, <210>;
};
main_timer0: timer@2400000 {
compatible = "ti,am654-timer";
reg = <0x00 0x2400000 0x00 0x400>;
arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
+8
View File
@@ -15,6 +15,14 @@
status = "disabled";
};
mcu_esm: esm@4100000 {
compatible = "ti,j721e-esm";
reg = <0x0 0x4100000 0x0 0x1000>;
bootph-pre-ram;
/* Interrupt sources: esm0_cfg, esm0_hi, esm0_low, mrti0 */
ti,esm-pins = <0>, <1>, <2>, <85>;
};
/*
* The MCU domain timer interrupts are routed only to the ESM module,
* and not currently available for Linux. The MCU domain timers are