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[v4,0/2] Add Watchdog Timer driver for Renesas RZ/V2H(P) SoC

Message ID 20240806210623.183842-1-prabhakar.mahadev-lad.rj@bp.renesas.com
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Series Add Watchdog Timer driver for Renesas RZ/V2H(P) SoC | expand

Message

Lad, Prabhakar Aug. 6, 2024, 9:06 p.m. UTC 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Hi All,

This patch series aims to add WDT support to Renesas RZ/V2H(P)
SoC.

v3->v4
- Simplified calculation of max_hw_heartbeat_ms
- Turn on the clocks first before reset operation in start & restart callbacks
- Added checks in restart callback before turning ON clocks/resets
- Dropped udelay after every ping operation
- Added comments

v2->v3
- Fixed dependency, ARCH_R9A09G011->ARCH_R9A09G057
- Added dependency for PM
- Added delay after de-assert operation as clks are halted temporarily
  after de-assert operation
- Clearing WDTSR register

v1->v2
- Included RB tag for binding patch
- Fixed review comments from Claudiu
- Stopped using PM runtime calls in restart handler
- Dropped rstc deassert from probe

Cheers,
Prabhakar

Lad Prabhakar (2):
  dt-bindings: watchdog: renesas,wdt: Document RZ/V2H(P) SoC
  watchdog: Add Watchdog Timer driver for RZ/V2H(P)

 .../bindings/watchdog/renesas,wdt.yaml        |  17 +-
 drivers/watchdog/Kconfig                      |   9 +
 drivers/watchdog/Makefile                     |   1 +
 drivers/watchdog/rzv2h_wdt.c                  | 272 ++++++++++++++++++
 4 files changed, 298 insertions(+), 1 deletion(-)
 create mode 100644 drivers/watchdog/rzv2h_wdt.c