linux-kernel - [PATCH v3 3/4] arm64: dts: ti: k3-am62a-phycore-som: Reserve main

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Message-ID: <20250507070008.1231611-4-d.schultz@phytec.de>
Date: Wed, 7 May 2025 00:00:07 -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>, <w.egorov@...tec.de>, Daniel Schultz
	<d.schultz@...tec.de>, Judith Mendez <jm@...com>
Subject: [PATCH v3 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>
Reviewed-by: Judith Mendez <jm@...com>
---
 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 0aa8d9bc5df9..434ce5c73d97 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
@@ -379,6 +379,11 @@ &main_pktdma {
 	bootph-all;
 };
 
+/* main_rti4 is used by C7x DSP */
+&main_rti4 {
+	status = "reserved";
+};
+
 &mcu_r5fss0 {
 	status = "okay";
 };
-- 
2.25.1