From 96b2d17bfe407faae341053e1f376c7429c03c22 Mon Sep 17 00:00:00 2001 From: Beleswar Padhi Date: Mon, 26 Aug 2024 16:18:15 +0530 Subject: [PATCH] arm64: dts: ti: k3-j721e-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_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/20240826104821.1516344-3-b-padhi@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi | 29 +++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi index cf606846e341..cef47c67493f 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi @@ -569,6 +569,35 @@ 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>,