[PATCH] arm64: dts: ti: k3-j7xx: Change timer nodes status to reserved
Kumar, Udit
u-kumar1 at ti.com
Mon Jul 1 01:26:53 PDT 2024
On 6/7/2024 4:25 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.
>
> This change is already incorporated for timer nodes in the MCU voltage
> domain.
>
> Fixes: 835d04422f9d ("arm64: dts: ti: k3-j721s2: Add general purpose timers")
>
> Signed-off-by: Beleswar Padhi <b-padhi at ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 2 ++
> arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 7 +++++++
> arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 6 ++++++
> arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 10 ++++++++++
> 4 files changed, 25 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> index 9386bf3ef9f68..22351a4f3da6e 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> @@ -1254,6 +1254,7 @@ main_timer0: timer at 2400000 {
> assigned-clock-parents = <&k3_clks 49 2>;
> power-domains = <&k3_pds 49 TI_SCI_PD_EXCLUSIVE>;
> ti,timer-pwm;
> + status = "reserved";
> };
>
> main_timer1: timer at 2410000 {
> @@ -1266,6 +1267,7 @@ main_timer1: timer at 2410000 {
> assigned-clock-parents = <&k3_clks 50 2>, <&k3_clks 313 1>;
> power-domains = <&k3_pds 50 TI_SCI_PD_EXCLUSIVE>;
> ti,timer-pwm;
> + status = "reserved";
> };
>
> main_timer2: timer at 2420000 {
checked only on J7200, for Main MCU 1-0, Looks you need main_timer2 as
well to get it working
Please verify on other SOCs as well for all firmwares, if some extra
nodes needs to be added
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> index 0da785be80ff4..944bdbb98e910 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> [..]
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