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Tue, 05 Jul 2022 07:12:39 -0700 (PDT) Message-ID: Date: Tue, 5 Jul 2022 16:12:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH 07/11] dt-bindings: spi: spi-nxp-fspi: add a new property nxp,fspi-dll-slvdly Content-Language: en-US To: Michael Walle , Han Xu Cc: Bough Chen , ashish.kumar@nxp.com, yogeshgaur.83@gmail.com, broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, singh.kuldeep87k@gmail.com, tudor.ambarus@microchip.com, p.yadav@ti.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, festevam@gmail.com, dl-linux-imx , linux-arm-kernel@lists.infradead.org, zhengxunli@mxic.com.tw References: <1657012303-6464-1-git-send-email-haibo.chen@nxp.com> <1657012303-6464-7-git-send-email-haibo.chen@nxp.com> <59d360ef-5374-c7a7-2995-854ab3715b25@linaro.org> <62f113a0cdb0d58bf04ab0b274912eb7@walle.cc> From: Krzysztof Kozlowski In-Reply-To: <62f113a0cdb0d58bf04ab0b274912eb7@walle.cc> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220705_071242_335397_7B3DD5FE X-CRM114-Status: GOOD ( 10.62 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 05/07/2022 16:06, Michael Walle wrote: > >>> >>> I think you could use here clock cycles or clock phase, but then it >>> has to be obvious >>> it is that unit. >> >> Hi Krzysztof, >> >> Let me clarify it, in the document a term "delay cell" was used to >> descript this register bit. Each delay cell equals "1/32 clock phase", >> so the unit of delay cell is clock phase. The value user need set in >> DT just number to define how many delay cells needed. > > Then should the unit be "-degrees" and the possible range 0-180? Thanks. We don't have it documented currently, but the unit seems reasonable. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel