From: "Ramuthevar, Vadivel MuruganX" <vadivel.muruganx.ramuthevar@linux.intel.com>
To: Mark Brown <broonie@kernel.org>
Cc: robh+dt@kernel.org, mark.rutland@arm.com,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, cheol.yong.kim@intel.com,
qi-ming.wu@intel.com
Subject: Re: [PATCH v1 2/2] spi: cadence-qspi: Add QSPI support for Intel LGM SoC
Date: Wed, 18 Sep 2019 13:59:06 +0800 [thread overview]
Message-ID: <eeefa79b-0a3b-5d62-3a1b-c1e9dcb03aa7@linux.intel.com> (raw)
In-Reply-To: <20190917153650.GF3524@sirena.co.uk>
Hi Mark,
Thank you for the review comments.
On 17/9/2019 11:36 PM, Mark Brown wrote:
> On Tue, Sep 17, 2019 at 10:11:28AM +0800, Ramuthevar, Vadivel MuruganX wrote:
>
>> * spi-cadence.c* in *drivers/spi/*, which supports very old legacy
>> cadence-spi based devices(normal)
>> * cadence-quadspi.c(drivers/mtd/spi-nor/)* : specific support to SPI-NOR
>> flash with new spi-nor layer.
>> all the API's in this driver purely on spi-nor specific, so couldn't
>> proceed to adapt.
> Are these completely separate IPs or are they just different versions of
> the same IP?
These are same IPs , but different features Enabled/Disabled depends
upon the SoC vendors.
for e.g: Intel LGM SoC uses the same IP, but without DMA and Direct
access controller.
also dedicated support to flash devices.
Best regards
Vadivel
next prev parent reply other threads:[~2019-09-18 5:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-16 7:38 [PATCH v1 0/2] spi: cadence-qspi: Add cadence-qspi support for Intel LGM SoC Ramuthevar,Vadivel MuruganX
2019-09-16 7:38 ` [PATCH v1 1/2] dt-bindings: spi: Add support for cadence-qspi IP " Ramuthevar,Vadivel MuruganX
2019-09-30 22:36 ` Rob Herring
2019-10-01 1:13 ` Ramuthevar, Vadivel MuruganX
2019-09-16 7:38 ` [PATCH v1 2/2] spi: cadence-qspi: Add QSPI support for " Ramuthevar,Vadivel MuruganX
2019-09-16 11:32 ` Mark Brown
[not found] ` <466b41c1-3d65-0bf4-6db7-d3b3e06b107b@linux.intel.com>
2019-09-17 15:36 ` Mark Brown
2019-09-18 5:59 ` Ramuthevar, Vadivel MuruganX [this message]
2019-09-18 12:08 ` Mark Brown
2019-09-19 5:45 ` Ramuthevar, Vadivel MuruganX
2019-09-16 13:48 ` kbuild test robot
2019-09-16 16:50 ` [PATCH v1 0/2] spi: cadence-qspi: Add cadence-qspi " Vignesh Raghavendra
2019-09-17 3:31 ` Ramuthevar, Vadivel MuruganX
2019-10-10 1:34 ` Ramuthevar, Vadivel MuruganX
2019-10-10 4:18 ` Vignesh Raghavendra
2019-10-10 5:08 ` Ramuthevar, Vadivel MuruganX
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