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[89.77.68.124]) by smtp.gmail.com with ESMTPSA id s4sm2011138lfi.180.2021.11.08.05.08.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Nov 2021 05:08:25 -0800 (PST) Message-ID: <806de5b0-a7ab-9d87-589e-9fc5e6f5a400@canonical.com> Date: Mon, 8 Nov 2021 14:08:24 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 Subject: Re: [PATCH v3 02/12] dt-bindings: watchdog: Document Exynos850 watchdog bindings Content-Language: en-US To: Sam Protsenko , Wim Van Sebroeck , Guenter Roeck , Rob Herring 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 References: <20211107202943.8859-1-semen.protsenko@linaro.org> <20211107202943.8859-3-semen.protsenko@linaro.org> From: Krzysztof Kozlowski In-Reply-To: <20211107202943.8859-3-semen.protsenko@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org On 07/11/2021 21:29, Sam Protsenko wrote: > Exynos850 SoC has two CPU clusters: > - cluster 0: contains CPUs #0, #1, #2, #3 > - cluster 1: contains CPUs #4, #5, #6, #7 > > Each cluster has its own dedicated watchdog timer. Those WDT instances > are controlled using different bits in PMU registers, new > "samsung,index" property is added to tell the driver which bits to use > for defined watchdog node. > > Also on Exynos850 the peripheral clock and the source clock are two > different clocks. Provide a way to specify two clocks in watchdog device > tree node. > > Signed-off-by: Sam Protsenko > --- > Changes in v3: > - Renamed "samsung,index" property to more descriptive > "samsung,cluster-index" > - Disabled "samsung,cluster-index" property for SoCs other than > Exynos850 > > Changes in v2: > - Stated explicitly that Exynos850 driver requires 2 clocks > - Used single compatible for Exynos850 > - Added "index" property to specify CPU cluster index > - Fixed a typo in commit message: dedicater -> dedicated > > .../bindings/watchdog/samsung-wdt.yaml | 45 +++++++++++++++++-- > 1 file changed, 41 insertions(+), 4 deletions(-) > Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof