On 8/14/2024 4:11 PM, Beleswar Padhi wrote:
> 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_timer0 |
> +-------------------+-------------+
> | c7x_0 | main_timer1 |
> +-------------------+-------------+
> | c7x_1 | main_timer2 |
> +-------------------+-------------+
>
> This change is already incorporated for timer nodes in the MCU voltage
> domain.
>
> Fixes: 3308a31c507c ("arm64: dts: ti: k3-am62: Add general purpose timers for am62")
Please check Fixes tag once.
AFAIR, J722S uses am62p not am62
> Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> index dd3b5f7039d7..e03beb0b5aad 100644
> --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> @@ -566,3 +566,16 @@ &mcasp1 {
> 0 0 0 0
> >;
> };
> +
> +/* Timers are used by Remoteproc firmware */
> +&main_timer0 {
> + status = "reserved";
> +};
> +
> +&main_timer1 {
> + status = "reserved";
> +};
> +
> +&main_timer2 {
> + status = "reserved";
> +};