linux-kernel - [PATCH 3/4] arm64: dts: ti: k3-am62a-phycore-som: Reserve main

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Message-ID: <20250506115502.3515599-4-d.schultz@phytec.de>
Date: Tue, 6 May 2025 04:55:01 -0700
From: Daniel Schultz <d.schultz@...tec.de>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC: <upstream@...ts.phytec.de>, Daniel Schultz <d.schultz@...tec.de>
Subject: [PATCH 3/4] arm64: dts: ti: k3-am62a-phycore-som: Reserve main_rti4 for C7x DSP

The main rti4 watchdog timer is used by the C7x DSP, so reserve the
timer in the linux device tree.

Signed-off-by: Daniel Schultz <d.schultz@...tec.de>
---
 arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
index fc252543f18a..343118af448b 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
@@ -366,6 +366,11 @@ &main_gpio_intr {
 	status = "okay";
 };
 
+/* main_rti4 is used by C7x DSP */
+&main_rti4 {
+	status = "reserved";
+};
+
 &mcu_r5fss0 {
 	status = "okay";
 };
-- 
2.25.1