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Sun, 31 Oct 2021 05:22:18 -0700 (PDT) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id cr18sm5596186ejc.25.2021.10.31.05.22.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Oct 2021 05:22:17 -0700 (PDT) From: Sam Protsenko To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 00/12] watchdog: s3c2410: Add Exynos850 support Date: Sun, 31 Oct 2021 14:22:04 +0200 Message-Id: <20211031122216.30212-1-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211031_052219_635069_EFBC8AC0 X-CRM114-Status: GOOD ( 10.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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(-)