[PATCH v4 5/7] arm64: dts: ti: k3-am68-sk-som: Change timer nodes status to reserved
Beleswar Padhi
b-padhi at ti.com
Mon Aug 26 03:48:18 PDT 2024
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 |
+-------------------+-------------+
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-am68-sk-som.dtsi | 25 ++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
index 4800f956bf12..b1f7c904ad94 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
@@ -310,6 +310,31 @@ &main_r5fss1 {
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>,
--
2.34.1
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