Thread (10 messages) 10 messages, 2 authors, 2025-05-07
STALE443d

[PATCH 3/3] ARM: dts: vt8500: list all four timer interrupts

From: Alexey Charkov <alchark@gmail.com>
Date: 2025-05-06 20:07:07
Also in: linux-devicetree, lkml
Subsystem: arm/vt8500 arm architecture, the rest · Maintainers: Alexey Charkov, Krzysztof Kozlowski, Linus Torvalds

VIA/WonderMedia SoC timer can generate up to four interrupts corresponding
to four timer match registers (firing when the 32-bit freerunning clock
source counter matches either of the match registers, respectively).

List all four interrupts in device trees.

This also enables the system event timer to use a match register other
than 0, which can then in turn be used as a system watchdog (watchdog
function is not available on other channels)

Signed-off-by: Alexey Charkov <alchark@gmail.com>
---
 arch/arm/boot/dts/vt8500/vt8500.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8505.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8650.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8750.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8850.dtsi | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/arm/boot/dts/vt8500/vt8500.dtsi b/arch/arm/boot/dts/vt8500/vt8500.dtsi
index 2ba021585d4889f29777a12473964c29f999f3a0..d1dd37220d41becece5d24fbb19aa71b01723e35 100644
--- a/arch/arm/boot/dts/vt8500/vt8500.dtsi
+++ b/arch/arm/boot/dts/vt8500/vt8500.dtsi
@@ -111,7 +111,7 @@ clkuart3: uart3 {
 		timer@d8130100 {
 			compatible = "via,vt8500-timer";
 			reg = <0xd8130100 0x28>;
-			interrupts = <36>;
+			interrupts = <36>, <37>, <38>, <39>;
 		};
 
 		usb@d8007900 {
diff --git a/arch/arm/boot/dts/vt8500/wm8505.dtsi b/arch/arm/boot/dts/vt8500/wm8505.dtsi
index 99c064c916b2279797f71261ca9306e9dcd4bbd8..2b1819f0c5412648a83cd3eeb495f68d2e4100ef 100644
--- a/arch/arm/boot/dts/vt8500/wm8505.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8505.dtsi
@@ -209,7 +209,7 @@ clksdhc: sdhc {
 		timer@d8130100 {
 			compatible = "via,vt8500-timer";
 			reg = <0xd8130100 0x28>;
-			interrupts = <36>;
+			interrupts = <36>, <37>, <38>, <39>;
 		};
 
 		usb@d8007100 {
diff --git a/arch/arm/boot/dts/vt8500/wm8650.dtsi b/arch/arm/boot/dts/vt8500/wm8650.dtsi
index 0d6c7bd87f7dcce0eef056d04c38ab1de5d52639..042eec78c085d19fc97d7f0f9721399c0716ff74 100644
--- a/arch/arm/boot/dts/vt8500/wm8650.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8650.dtsi
@@ -181,7 +181,7 @@ clksdhc: sdhc {
 		timer@d8130100 {
 			compatible = "via,vt8500-timer";
 			reg = <0xd8130100 0x28>;
-			interrupts = <36>;
+			interrupts = <36>, <37>, <38>, <39>;
 		};
 
 		usb@d8007900 {
diff --git a/arch/arm/boot/dts/vt8500/wm8750.dtsi b/arch/arm/boot/dts/vt8500/wm8750.dtsi
index 0158c0ba5dd110957eac38775d3bf3ebd2ab4154..56342aa1d993a43e7ee766f93151c6d456496262 100644
--- a/arch/arm/boot/dts/vt8500/wm8750.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8750.dtsi
@@ -253,7 +253,7 @@ pwm: pwm@d8220000 {
 		timer@d8130100 {
 			compatible = "via,vt8500-timer";
 			reg = <0xd8130100 0x28>;
-			interrupts = <36>;
+			interrupts = <36>, <37>, <38>, <39>;
 		};
 
 		usb@d8007900 {
diff --git a/arch/arm/boot/dts/vt8500/wm8850.dtsi b/arch/arm/boot/dts/vt8500/wm8850.dtsi
index c4bfb4d30aad0358b39cbf30edf0c63e32167bbd..03e72f28d31b1cfdcfa71ede93b8943971bae4e3 100644
--- a/arch/arm/boot/dts/vt8500/wm8850.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8850.dtsi
@@ -240,7 +240,7 @@ pwm: pwm@d8220000 {
 		timer@d8130100 {
 			compatible = "via,vt8500-timer";
 			reg = <0xd8130100 0x28>;
-			interrupts = <36>;
+			interrupts = <36>, <37>, <38>, <39>;
 		};
 
 		usb@d8007900 {
-- 
2.49.0

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