linux-kernel - [PATCH v2 0/4] clocksource/drivers/timer-vt8500: clean up and add watchdog function

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Message-Id: <20250507-vt8500-timer-updates-v2-0-65e5d1b0855e@gmail.com>
Date: Wed, 07 May 2025 10:58:29 +0400
From: Alexey Charkov <alchark@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, 
 Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Alexey Charkov <alchark@...il.com>
Subject: [PATCH v2 0/4] clocksource/drivers/timer-vt8500: clean up and add
 watchdog function

Add named defines for all registers and bits in timer-vt8500.
Move the system events timer from channel 0 to channel 1 when enough
information is provided by the device tree (i.e. more than one IRQ).
Use channel 0 for the system watchdog

Signed-off-by: Alexey Charkov <alchark@...il.com>
---
Changes in v2:
- Included the previously reviewed binding change that is directly related
  to this series as the first patch here (thanks Krzysztof)
- Created a separate config symbol for the watchdog function to let users
  build a kernel without forcing watchdog functionality upon them
  (thanks Krzysztof)
- Link to the previous binding submission: https://lore.kernel.org/all/20250506-via_vt8500_timer_binding-v3-1-88450907503f@gmail.com/
- Link to v1: https://lore.kernel.org/r/20250507-vt8500-timer-updates-v1-0-6b76f7f340a6@gmail.com

---
Alexey Charkov (4):
      dt-bindings: timer: via,vt8500-timer: Convert to YAML
      clocksource/drivers/timer-vt8500: Add defines for magic constants
      clocksource/drivers/timer-vt8500: Add watchdog functionality
      ARM: dts: vt8500: list all four timer interrupts

 .../devicetree/bindings/timer/via,vt8500-timer.txt |  15 ---
 .../bindings/timer/via,vt8500-timer.yaml           |  51 +++++++++
 MAINTAINERS                                        |   1 +
 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 +-
 drivers/clocksource/Kconfig                        |  11 ++
 drivers/clocksource/timer-vt8500.c                 | 118 ++++++++++++++++-----
 10 files changed, 162 insertions(+), 44 deletions(-)
---
base-commit: 0a00723f4c2d0b273edd0737f236f103164a08eb
change-id: 20250506-vt8500-timer-updates-44a0d22cd720

Best regards,
-- 
Alexey Charkov <alchark@...il.com>