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Message-ID: <20260108085347.1416637-1-a-kumar2@ti.com>
Date: Thu, 8 Jan 2026 14:23:47 +0530
From: Abhash Kumar Jha <a-kumar2@...com>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
<conor+dt@...nel.org>, <krzk+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <u-kumar1@...com>, <p-mantena@...com>,
<m-chawdhry@...com>
Subject: [PATCH v3] arm64: dts: ti: Fix the number of common watchdog instances between J784S4 and J742S2
Each A72 core has one watchdog instance associated with it. Since J742S2
has 4 A72 cores, it is incorrect to have 8 watchdog instances in the
j742s2-j784s4 common file.
Remove the last 4 extra watchdogs from the common file and add them only
for J784S4 which has 8 A72 cores and thus 8 watchdog instances
associated with them.
Fixes: 9cc161a4509c ("arm64: dts: ti: Refactor J784s4 SoC files to a common file")
Signed-off-by: Abhash Kumar Jha <a-kumar2@...com>
---
Changes in v3:
- Improve the commit description and subject.
- Link to v2: https://lore.kernel.org/all/20260105050557.3459321-1-a-kumar2@ti.com/
Changes in v2:
- Added fixes tag in the commit message.
- Link to v1: https://lore.kernel.org/all/20251224055410.208516-1-a-kumar2@ti.com/T/#u
.../dts/ti/k3-j784s4-j742s2-main-common.dtsi | 36 -------------------
arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 36 +++++++++++++++++++
2 files changed, 36 insertions(+), 36 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
index 9cc0901d58fb..c2636e624f18 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
@@ -2378,42 +2378,6 @@ watchdog3: watchdog@...0000 {
assigned-clock-parents = <&k3_clks 351 4>;
};
- watchdog4: watchdog@...0000 {
- compatible = "ti,j7-rti-wdt";
- reg = <0x00 0x2240000 0x00 0x100>;
- clocks = <&k3_clks 352 0>;
- power-domains = <&k3_pds 352 TI_SCI_PD_EXCLUSIVE>;
- assigned-clocks = <&k3_clks 352 0>;
- assigned-clock-parents = <&k3_clks 352 4>;
- };
-
- watchdog5: watchdog@...0000 {
- compatible = "ti,j7-rti-wdt";
- reg = <0x00 0x2250000 0x00 0x100>;
- clocks = <&k3_clks 353 0>;
- power-domains = <&k3_pds 353 TI_SCI_PD_EXCLUSIVE>;
- assigned-clocks = <&k3_clks 353 0>;
- assigned-clock-parents = <&k3_clks 353 4>;
- };
-
- watchdog6: watchdog@...0000 {
- compatible = "ti,j7-rti-wdt";
- reg = <0x00 0x2260000 0x00 0x100>;
- clocks = <&k3_clks 354 0>;
- power-domains = <&k3_pds 354 TI_SCI_PD_EXCLUSIVE>;
- assigned-clocks = <&k3_clks 354 0>;
- assigned-clock-parents = <&k3_clks 354 4>;
- };
-
- watchdog7: watchdog@...0000 {
- compatible = "ti,j7-rti-wdt";
- reg = <0x00 0x2270000 0x00 0x100>;
- clocks = <&k3_clks 355 0>;
- power-domains = <&k3_pds 355 TI_SCI_PD_EXCLUSIVE>;
- assigned-clocks = <&k3_clks 355 0>;
- assigned-clock-parents = <&k3_clks 355 4>;
- };
-
/*
* The following RTI instances are coupled with MCU R5Fs, c7x and
* GPU so keeping them reserved as these will be used by their
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 0160fe0da983..ffc61ec77635 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -113,6 +113,42 @@ serdes2: serdes@...0000 {
status = "disabled";
};
};
+
+ watchdog4: watchdog@...0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2240000 0x00 0x100>;
+ clocks = <&k3_clks 352 0>;
+ power-domains = <&k3_pds 352 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 352 0>;
+ assigned-clock-parents = <&k3_clks 352 4>;
+ };
+
+ watchdog5: watchdog@...0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2250000 0x00 0x100>;
+ clocks = <&k3_clks 353 0>;
+ power-domains = <&k3_pds 353 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 353 0>;
+ assigned-clock-parents = <&k3_clks 353 4>;
+ };
+
+ watchdog6: watchdog@...0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2260000 0x00 0x100>;
+ clocks = <&k3_clks 354 0>;
+ power-domains = <&k3_pds 354 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 354 0>;
+ assigned-clock-parents = <&k3_clks 354 4>;
+ };
+
+ watchdog7: watchdog@...0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2270000 0x00 0x100>;
+ clocks = <&k3_clks 355 0>;
+ power-domains = <&k3_pds 355 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 355 0>;
+ assigned-clock-parents = <&k3_clks 355 4>;
+ };
};
&scm_conf {
--
2.34.1
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