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From: Andrew Davis <afd@ti.com>
To: Bjorn Andersson <andersson@kernel.org>,
        Mathieu Poirier
	<mathieu.poirier@linaro.org>,
        Rob Herring <robh@kernel.org>,
        Krzysztof
 Kozlowski <krzk+dt@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>, Nishanth
 Menon <nm@ti.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Tero Kristo
	<kristo@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Hari Nagalla
	<hnagalla@ti.com>
CC: <linux-remoteproc@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        Andrew Davis <afd@ti.com>
Subject: [PATCH v9 3/5] arm64: dts: ti: k3-am62: Add M4F remoteproc node
Date: Fri, 26 Apr 2024 14:18:09 -0500
Message-ID: <20240426191811.32414-4-afd@ti.com>
In-Reply-To: <20240426191811.32414-1-afd@ti.com>
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From: Hari Nagalla <hnagalla@ti.com>

The AM62x SoCs of the TI K3 family have a Cortex M4F core in the MCU
domain. This core can be used by non safety applications as a remote
processor. When used as a remote processor with virtio/rpmessage IPC,
two carveout reserved memory nodes are needed.

Disable by default as this node is not complete until mailbox data
is provided in the board level DT.

Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Andrew Davis <afd@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
index e66d486ef1f21..7f6f0007e8e81 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
@@ -173,4 +173,17 @@ mcu_mcan1: can@4e18000 {
 		bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
 		status = "disabled";
 	};
+
+	mcu_m4fss: m4fss@5000000 {
+		compatible = "ti,am64-m4fss";
+		reg = <0x00 0x5000000 0x00 0x30000>,
+		      <0x00 0x5040000 0x00 0x10000>;
+		reg-names = "iram", "dram";
+		resets = <&k3_reset 9 1>;
+		firmware-name = "am62-mcu-m4f0_0-fw";
+		ti,sci = <&dmsc>;
+		ti,sci-dev-id = <9>;
+		ti,sci-proc-ids = <0x18 0xff>;
+		status = "disabled";
+	};
 };
-- 
2.39.2