linux-kernel - [PATCH v2 6/6] arm64: dts: ti: k3-am65: Add ESM nodes

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Message-ID: <20240813230312.3289428-7-jm@ti.com>
Date: Tue, 13 Aug 2024 18:03:12 -0500
From: Judith Mendez <jm@...com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>
CC: Vignesh Raghavendra <vigneshr@...com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Jan Kiszka <jan.kiszka@...mens.com>,
        Judith
 Mendez <jm@...com>
Subject: [PATCH v2 6/6] arm64: dts: ti: k3-am65: Add ESM nodes

Add Error Signaling Module (ESM) instances in MCU and MAIN
domains, set ESM interrupt sources for rti as per TRM [0] 9.4
Interrupt Sources.

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

[0] https://www.ti.com/lit/ug/spruid7e/spruid7e.pdf

Signed-off-by: Judith Mendez <jm@...com>
---
Changes since v1:
- Add patch 6/6 for am65x
---
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 8 ++++++++
 arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi  | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 1af3dedde1f67..07c9f043dac0b 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -54,6 +54,14 @@ gic_its: msi-controller@...0000 {
 		};
 	};
 
+	main_esm: esm@...000 {
+		compatible = "ti,j721e-esm";
+		reg = <0x00 0x700000 0x00 0x1000>;
+		/* Interrupt sources: rti0, rti1, rti2, rti3 */
+		ti,esm-pins = <224>, <225>, <226>, <227>;
+		bootph-pre-ram;
+	};
+
 	serdes0: serdes@...000 {
 		compatible = "ti,phy-am654-serdes";
 		reg = <0x0 0x900000 0x0 0x2000>;
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 43c6118d2bf0f..e10cb9f483698 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -440,6 +440,14 @@ mcu_r5fss0_core1: r5f@...00000 {
 		};
 	};
 
+	mcu_esm: esm@...00000 {
+		compatible = "ti,j721e-esm";
+		reg = <0x00 0x40800000 0x00 0x1000>;
+		/* Interrupt sources: mrti0, mrti1 */
+		ti,esm-pins = <104>, <105>;
+		bootph-pre-ram;
+	};
+
 	mcu_rti1: watchdog@...10000 {
 		compatible = "ti,j7-rti-wdt";
 		reg = <0x0 0x40610000 0x0 0x100>;
-- 
2.46.0