linux-kernel - [PATCH v2 00/12] watchdog: s3c2410: Add Exynos850 support

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Date:   Sun, 31 Oct 2021 14:22:04 +0200
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: [PATCH v2 00/12] watchdog: s3c2410: Add Exynos850 support

Exynos850 WDT IP-core differs a bit from existing platforms:
  - Another set of PMU registers
  - Separate WDT instance for each CPU cluster, having different PMU
    registers/bits
  - Source clock is different from PCLK

Implement all missing features above and enable Exynos850 WDT support.
While at it, do a bit of cleaning up.

Changes in v2:
  - Added patch to fail probe if no valid timeout was found, as
    suggested by Guenter Roeck (03/12)
  - Extracted code for separating disable/mask functions into separate
    patch (06/12)
  - Added patch for inverting mask register value (07/12)
  - Extracted PMU cleanup code to separate patch, to ease the review and
    porting (09/12)
  - Added patch for removing not needed 'err' label in probe function (11/12)
  - Addressed all outstanding review comments on mailing list

Sam Protsenko (12):
  dt-bindings: watchdog: Require samsung,syscon-phandle for Exynos7
  dt-bindings: watchdog: Document Exynos850 watchdog bindings
  watchdog: s3c2410: Fail probe if can't find valid timeout
  watchdog: s3c2410: Let kernel kick watchdog
  watchdog: s3c2410: Make reset disable register optional
  watchdog: s3c2410: Extract disable and mask code into separate
    functions
  watchdog: s3c2410: Implement a way to invert mask reg value
  watchdog: s3c2410: Add support for WDT counter enable register
  watchdog: s3c2410: Cleanup PMU related code
  watchdog: s3c2410: Support separate source clock
  watchdog: s3c2410: Remove superfluous err label
  watchdog: s3c2410: Add Exynos850 support

 .../bindings/watchdog/samsung-wdt.yaml        |  47 ++-
 drivers/watchdog/s3c2410_wdt.c                | 289 +++++++++++++-----
 2 files changed, 254 insertions(+), 82 deletions(-)

-- 
2.30.2