linux-kernel - [PATCH v4 1/7] arm64: dts: ti: k3-j7200-som-p0: Change timer nodes status to reserved

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Message-ID: <20240826104821.1516344-2-b-padhi@ti.com>
Date: Mon, 26 Aug 2024 16:18:14 +0530
From: Beleswar Padhi <b-padhi@...com>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <u-kumar1@...com>, <tony@...mide.com>, <bb@...com>, <d-gole@...com>,
        <afd@...com>, <hnagalla@...com>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 1/7] arm64: dts: ti: k3-j7200-som-p0: Change timer nodes status to reserved

The remoteproc firmware of R5F in the MAIN voltage domain use timers.
Therefore, change the status of the timer nodes to "reserved" to avoid
any clash. Usage is described as below:

	+===================+==========================+
	|  Remoteproc node  |        Timer Node        |
	+===================+==========================+
	| main_r5fss0_core0 | main_timer0, main_timer2 |
	+-------------------+--------------------------+
	| main_r5fss0_core1 | main_timer1              |
	+-------------------+--------------------------+

Fixes: c8a28ed4837c ("arm64: dts: ti: k3-j7200: Add general purpose timers")
Signed-off-by: Beleswar Padhi <b-padhi@...com>
---
 arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
index deb380a83ea1..e78b4622a7d1 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
@@ -266,6 +266,19 @@ &main_r5fss0 {
 	ti,cluster-mode = <0>;
 };
 
+/* Timers are used by Remoteproc firmware */
+&main_timer0 {
+	status = "reserved";
+};
+
+&main_timer1 {
+	status = "reserved";
+};
+
+&main_timer2 {
+	status = "reserved";
+};
+
 &main_r5fss0_core0 {
 	mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core0>;
 	memory-region = <&main_r5fss0_core0_dma_memory_region>,
-- 
2.34.1