mbox series

[v2,0/3] Add watchdog driver for StarFive JH7110 RISC-V SoC

Message ID 20221219094233.179153-1-xingyu.wu@starfivetech.com (mailing list archive)
Headers show
Series Add watchdog driver for StarFive JH7110 RISC-V SoC | expand

Message

Xingyu Wu Dec. 19, 2022, 9:42 a.m. UTC
This patch serises are to add watchdog driver for the StarFive JH7110
RISC-V SoC. The first patch adds docunmentation to describe device
tree bindings. The subsequent patch adds watchdog driver and support
JH7110 SoC. The last patch adds device node about watchdog to JH7110
dts.

The watchdog driver has been tested on the VisionFive 2 boards which
equip with JH7110 SoC and works normally.

The last patch should be applied after the patchset [1]:
[1] https://lore.kernel.org/all/20221118011714.70877-1-hal.feng@starfivetech.com/

Changes since v1:
- Renamed the dt-binding 'starfive,wdt.yaml' to 'starfive,jh7110-wdt.yaml'.
- Dropped the '_clk' and 'rst_' about the 'clock-names' and 'reset-names' in
  the dt-binding.
- Updated the example context in the dt-binding 'starfive,jh7110-wdt.yaml'
  to be independent of other patchset.
- Deleted unused macros like 'JH7110_WDOG_INT_EN'.
- Changed the type of 'freq' in the struct from u64 to u32.
- Used 'devm_clk_get_enabled()' instead of 'devm_clk_get()' and
  'clk_prepare_enable()'.
- Removed the operation to get the frequency from the device tree.
- Added watchdog_stop_on_unregister() and watchdog_stop_on_reboot().
- Removed any operations about interrupt.

v1: https://lore.kernel.org/all/20221202093943.149674-1-xingyu.wu@starfivetech.com/

Xingyu Wu (3):
  dt-bindings: watchdog: Add watchdog for StarFive JH7110
  drivers: watchdog: Add StarFive Watchdog driver
  riscv: dts: starfive: jh7110: Add watchdog node

 .../watchdog/starfive,jh7110-wdt.yaml         |  64 ++
 MAINTAINERS                                   |   7 +
 arch/riscv/boot/dts/starfive/jh7110.dtsi      |  11 +
 drivers/watchdog/Kconfig                      |  11 +
 drivers/watchdog/Makefile                     |   3 +
 drivers/watchdog/starfive-wdt.c               | 720 ++++++++++++++++++
 6 files changed, 816 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/starfive,jh7110-wdt.yaml
 create mode 100644 drivers/watchdog/starfive-wdt.c


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