linux-kernel - [PATCH 1/2] arm64: dts: ti: k3-am62: Add ESM support

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Message-ID: <20230530185335.79942-2-nm@ti.com>
Date:   Tue, 30 May 2023 13:53:34 -0500
From:   Nishanth Menon <nm@...com>
To:     Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tero Kristo <kristo@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Nishanth Menon <nm@...com>, Udit Kumar <u-kumar1@...com>,
        Nitin Yadav <n-yadav@...com>,
        Neha Malcom Francis <n-francis@...com>
Subject: [PATCH 1/2] arm64: dts: ti: k3-am62: Add ESM support

Add Error Signaling Module (ESM) instances in MCU and MAIN domains.

Signed-off-by: Nishanth Menon <nm@...com>
---

Depends on https://lore.kernel.org/all/20230504080526.133149-1-n-francis@ti.com/
(to be merged via SoC tree)

 arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 6 ++++++
 arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi  | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index bf3e054c72ce..2488e3a537fe 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -207,6 +207,12 @@ main_pmx0: pinctrl@...00 {
 		pinctrl-single,function-mask = <0xffffffff>;
 	};
 
+	main_esm: esm@...000 {
+		compatible = "ti,j721e-esm";
+		reg = <0x00 0x420000 0x00 0x1000>;
+		ti,esm-pins = <160>, <161>, <162>, <163>, <177>, <178>;
+	};
+
 	main_timer0: timer@...0000 {
 		compatible = "ti,am654-timer";
 		reg = <0x00 0x2400000 0x00 0x400>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
index 076601a41e84..19fc38157d94 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
@@ -14,6 +14,12 @@ mcu_pmx0: pinctrl@...4000 {
 		pinctrl-single,function-mask = <0xffffffff>;
 	};
 
+	mcu_esm: esm@...0000 {
+		compatible = "ti,j721e-esm";
+		reg = <0x00 0x4100000 0x00 0x1000>;
+		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
-- 
2.40.0