From a8d1241bd6e57add2807c3127f987f8929bb45a1 Mon Sep 17 00:00:00 2001 From: Beleswar Padhi Date: Mon, 26 Aug 2024 16:18:16 +0530 Subject: [PATCH] arm64: dts: ti: k3-j721e-sk: 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_timer12 | +-------------------+--------------+ | main_r5fss0_core1 | main_timer13 | +-------------------+--------------+ | main_r5fss1_core0 | main_timer14 | +-------------------+--------------+ | main_r5fss1_core1 | main_timer15 | +-------------------+--------------+ | c66_0 | main_timer0 | +-------------------+--------------+ | c66_1 | main_timer1 | +-------------------+--------------+ | c71_0 | main_timer2 | +-------------------+--------------+ Signed-off-by: Beleswar Padhi Link: https://lore.kernel.org/r/20240826104821.1516344-4-b-padhi@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 29 ++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts index 1035cf701613c..6285e8d94ddeb 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts @@ -1319,6 +1319,35 @@ ti,cluster-mode = <0>; }; +/* Timers are used by Remoteproc firmware */ +&main_timer0 { + status = "reserved"; +}; + +&main_timer1 { + status = "reserved"; +}; + +&main_timer2 { + status = "reserved"; +}; + +&main_timer12 { + status = "reserved"; +}; + +&main_timer13 { + status = "reserved"; +}; + +&main_timer14 { + status = "reserved"; +}; + +&main_timer15 { + status = "reserved"; +}; + &main_r5fss0_core0 { mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core0>; memory-region = <&main_r5fss0_core0_dma_memory_region>, -- 2.39.5