From 1cf3a036f91a2e5a6187f7cea8f9bfab1d9b504f Mon Sep 17 00:00:00 2001 From: Beleswar Padhi Date: Mon, 26 Aug 2024 16:18:17 +0530 Subject: [PATCH] arm64: dts: ti: k3-j721s2-som-p0: Change timer nodes status to reserved The remoteproc firmware like of R5F and DSPs 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_timer2 | +-------------------+-------------+ | main_r5fss0_core1 | main_timer3 | +-------------------+-------------+ | main_r5fss1_core0 | main_timer4 | +-------------------+-------------+ | main_r5fss1_core1 | main_timer5 | +-------------------+-------------+ | c71_0 | main_timer0 | +-------------------+-------------+ | c71_1 | main_timer1 | +-------------------+-------------+ Signed-off-by: Beleswar Padhi Link: https://lore.kernel.org/r/20240826104821.1516344-5-b-padhi@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 25 ++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi index 92109b88e257..89252e4a5f1b 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi @@ -524,6 +524,31 @@ ti,cluster-mode = <0>; }; +/* Timers are used by Remoteproc firmware */ +&main_timer0 { + status = "reserved"; +}; + +&main_timer1 { + status = "reserved"; +}; + +&main_timer2 { + status = "reserved"; +}; + +&main_timer3 { + status = "reserved"; +}; + +&main_timer4 { + status = "reserved"; +}; + +&main_timer5 { + status = "reserved"; +}; + &main_r5fss0_core0 { mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core0>; memory-region = <&main_r5fss0_core0_dma_memory_region>, -- 2.50.1