From: Vignesh Raghavendra <vigneshr-l0cyMroinI0@public.gmane.org>
To: "Ramuthevar,
Vadivel MuruganX"
<vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-spi <linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Mark Brown" <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
simon.k.r.goldschmidt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
"Dinh Nguyen" <dinguyen-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
tien.fong.chee-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
"Marek Vašut" <marex-ynQEQJNshbs@public.gmane.org>,
cheol.yong.kim-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
qi-ming.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v10 1/2] dt-bindings: spi: Add schema for Cadence QSPI Controller driver
Date: Tue, 25 Feb 2020 16:30:21 +0530 [thread overview]
Message-ID: <8c329860-84fd-463b-782f-83a788998878@ti.com> (raw)
In-Reply-To: <c119a70d-b7ef-ab1b-4590-7ac77395297f-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
On 25/02/20 1:08 pm, Ramuthevar, Vadivel MuruganX wrote:
>>>>> +
>>>>> + cdns,fifo-depth:
>>>>> + $ref: /schemas/types.yaml#/definitions/uint32
>>>>> + description:
>>>>> + Size of the data FIFO in words.
>>>> A 4GB fifo is valid? Add some constraints.
>>> 128 is valid, will update.
>> Nope, the width of this field is 8bits -> 256 bytes
>
> correct me if I am wrong, the width of this field is 4bits -> 128 bytes
> (based on QUAD mode) .
This has nothing to do with quad-mode. Its about how much SRAM amount of
SRAM is present to buffer INDAC mode data. For TI platforms this is 256
bytes.
See CQSPI_REG_SRAMPARTITION definition in your datasheet.
--
Regards
Vignesh
next prev parent reply other threads:[~2020-02-25 11:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-19 2:28 [PATCH v10 0/2] spi: cadence-quadpsi: Add support for the Cadence QSPI controller Ramuthevar,Vadivel MuruganX
[not found] ` <20200219022852.28065-1-vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-19 2:28 ` [PATCH v10 1/2] dt-bindings: spi: Add schema for Cadence QSPI Controller driver Ramuthevar,Vadivel MuruganX
[not found] ` <20200219022852.28065-2-vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-24 15:54 ` Rob Herring
[not found] ` <CAL_JsqKJky=y4nhECUFVzTYvEpjFoOH_6UY9uZG5bvBVWq=SYQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-02-25 6:24 ` Ramuthevar, Vadivel MuruganX
[not found] ` <64b7ab12-0c11-df25-95e7-ee62227ec7ec-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-25 6:41 ` Vignesh Raghavendra
[not found] ` <85178128-4906-8b1a-e3f1-ab7a36ff8c23-l0cyMroinI0@public.gmane.org>
2020-02-25 7:38 ` Ramuthevar, Vadivel MuruganX
[not found] ` <c119a70d-b7ef-ab1b-4590-7ac77395297f-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-25 11:00 ` Vignesh Raghavendra [this message]
[not found] ` <8c329860-84fd-463b-782f-83a788998878-l0cyMroinI0@public.gmane.org>
2020-02-26 1:32 ` Ramuthevar, Vadivel MuruganX
2020-02-27 5:23 ` Vignesh Raghavendra
[not found] ` <22bb0c6c-db03-dee5-eccf-84b00216308f-l0cyMroinI0@public.gmane.org>
2020-02-27 5:59 ` Ramuthevar, Vadivel MuruganX
2020-02-19 2:28 ` [PATCH v10 2/2] spi: cadence-quadpsi: Add support for the Cadence QSPI controller Ramuthevar,Vadivel MuruganX
2020-02-19 8:28 ` [PATCH v10 0/2] " Marek Vasut
2020-02-25 4:23 ` Vignesh Raghavendra
[not found] ` <99f7e23f-268d-f32b-086f-4a46fc232ce9-l0cyMroinI0@public.gmane.org>
2020-02-25 6:33 ` Ramuthevar, Vadivel MuruganX
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