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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Michael Walle <michael@walle.cc>, Han Xu <han.xu@nxp.com>
Cc: Bough Chen <haibo.chen@nxp.com>,
	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-imx@nxp.com>,
	linux-arm-kernel@lists.infradead.org, zhengxunli@mxic.com.tw
Subject: Re: [PATCH 07/11] dt-bindings: spi: spi-nxp-fspi: add a new property nxp,fspi-dll-slvdly
Date: Tue, 5 Jul 2022 16:12:38 +0200	[thread overview]
Message-ID: <be521f90-97ce-c61d-d7d6-8f2bde24d824@linaro.org> (raw)
In-Reply-To: <62f113a0cdb0d58bf04ab0b274912eb7@walle.cc>

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

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  reply	other threads:[~2022-07-05 14:13 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-05  9:11 [PATCH 01/11] spi: spi-nxp-fspi: enable runtime pm for fspi haibo.chen
2022-07-05  9:11 ` [PATCH 02/11] spi: spi-nxp-fspi: change the default lut index haibo.chen
2022-07-05  9:11 ` [PATCH 03/11] spi: spi-nxp-fspi: add DTR mode support haibo.chen
2022-07-05  9:11 ` [PATCH 04/11] spi: spi-nxp-fspi: add function to select sample clock source for flash reading haibo.chen
2022-07-06 21:02   ` Michael Walle
2022-07-05  9:11 ` [PATCH 05/11] spi: spi-nxp-fspi: Add quirk to disable DTR support haibo.chen
2022-07-05 13:50   ` Michael Walle
2022-07-05  9:11 ` [PATCH 06/11] spi: spi-nxp-fspi: enable octal ddr for iMX8QM/QXP/DXL haibo.chen
2022-07-05  9:11 ` [PATCH 07/11] dt-bindings: spi: spi-nxp-fspi: add a new property nxp,fspi-dll-slvdly haibo.chen
2022-07-05  9:48   ` Krzysztof Kozlowski
2022-07-05 10:28     ` Bough Chen
2022-07-05 10:36       ` Krzysztof Kozlowski
2022-07-05 13:19         ` Han Xu
2022-07-05 13:29           ` Krzysztof Kozlowski
2022-07-05 14:00             ` Han Xu
2022-07-05 14:03               ` Krzysztof Kozlowski
2022-07-05 14:31                 ` Han Xu
2022-07-05 14:06               ` Michael Walle
2022-07-05 14:12                 ` Krzysztof Kozlowski [this message]
2022-07-05 14:52                   ` Han Xu
2022-07-05 14:58                     ` Michael Walle
2022-07-05 15:07                       ` Mark Brown
2022-07-05 15:38                     ` Krzysztof Kozlowski
2022-07-05 15:50                       ` Han Xu
2022-07-06 16:11                         ` Rob Herring
2022-07-06 20:59                           ` Michael Walle
2022-07-05  9:11 ` [PATCH 08/11] mtd: spi-nor: macronix: add support for Macronix octaflash haibo.chen
2022-07-05  9:11 ` [PATCH 09/11] mtd: spi-nor: macronix: add mx25uw51345g OPI mode support haibo.chen
2022-07-18  6:57   ` Michael Walle
2022-07-05  9:11 ` [PATCH 10/11] arm64: dts: imx8ulp: add flexspi support haibo.chen
2022-07-05  9:11 ` [PATCH 11/11] arm64: dts: imx8qm/imx8qxp: " haibo.chen
2022-07-05 14:01 ` [PATCH 01/11] spi: spi-nxp-fspi: enable runtime pm for fspi Michael Walle
2022-07-05 23:06   ` Han Xu

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