Thread (15 messages) 15 messages, 3 authors, 2025-02-10
STALE503d
Revisions (7)
  1. v2 [diff vs current]
  2. v3 [diff vs current]
  3. v4 current
  4. v5 [diff vs current]
  5. v6 [diff vs current]
  6. v7 [diff vs current]
  7. v8 [diff vs current]

[PATCH v4 9/9] arm64: dts: ti: k3-am62a7-sk: Reserve main_rti4 for C7x DSP

From: Judith Mendez <hidden>
Date: 2025-02-06 23:52:08
Also in: linux-devicetree, lkml
Subsystem: arm/texas instruments k3 architecture, the rest · Maintainers: Nishanth Menon, Vignesh Raghavendra, Tero Kristo, Linus Torvalds

From: Hari Nagalla <redacted>

The main rti4 watchdog timer is used by the C7x DSP, so reserve the
timer in the linux device tree.

Signed-off-by: Hari Nagalla <redacted>
Signed-off-by: Judith Mendez <redacted>
---
Changes since v3:
- No change
---
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 5 +++++
 1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index f03b06b7de51d..ffa437873f6d1 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -820,3 +820,8 @@ &c7x_0 {
 			<&c7x_0_memory_region>;
 	status = "okay";
 };
+
+/* main_rti4 is used by C7x DSP */
+&main_rti4 {
+	status = "reserved";
+};
-- 
2.48.0

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