linux-kernel - Re: [PATCH v3 0/3] Add driver Support for MMCSD on AM654x

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Message-ID: <38fe3521-f029-5e1b-78be-f265c5764a3b@ti.com>
Date:   Mon, 17 Dec 2018 13:54:43 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     Faiz Abbas <faiz_abbas@...com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-mmc@...r.kernel.org>
CC:     <ulf.hansson@...aro.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <adrian.hunter@...el.com>,
        <michal.simek@...inx.com>, <kishon@...com>
Subject: Re: [PATCH v3 0/3] Add driver Support for MMCSD on AM654x

On 17/12/18 1:45 PM, Faiz Abbas wrote:
> Hi,
> 
> On 11/12/18 12:05 AM, Faiz Abbas wrote:
>> The following patches add driver support for MMCSD on TI's AM654
>> platforms.
>>
>> Previously I had added the support to sdhci-of-arasan driver with
>> a separate phy driver[1]. Since then it has turned out that tuning
>> operation (for HS200, HS400 and SDR104 speed modes) will require
>> configuration of phy registers. This completely breaks the model of
>> the sdhci-of-arasan driver which relies on a separate driver to
>> configure the phy register space.
>>
>> Because of this, I am creating a new driver with both the sdhci and
>> phy register spaces. This helps me use the phy registers in a future
>> patch that adds tuning support.
>>
>> DT patches will be posted in a separate series.
>>
>> Changes in v3:
>>  1. Removed reference to clk_ahb as its not being used.
>>  2. Added comment for pm_runtime being used for enabling
>>     clocks.
>>
>> Changes in v2:
>>  1. Reset OTAP delay back to default value in init.
>>  2. Improved patch description for patch 2.
>>  3. Minor style fixes.
>>
>> [1] driver and phy patches posted before
>>     https://patchwork.kernel.org/project/linux-mmc/list/?series=26623
>>
>> Faiz Abbas (3):
>>   dt-bindings: mmc: sdhci-am654: Document bindings for the host
>>     controllers on TI's AM654 SOCs
>>   dt-bindings: mmc: sdhci-of-arasan: Add deprecated message for am65
>>   mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver
>>
>>  .../devicetree/bindings/mmc/arasan,sdhci.txt  |   4 +
>>  .../devicetree/bindings/mmc/sdhci-am654.txt   |  37 ++
>>  drivers/mmc/host/Kconfig                      |  12 +
>>  drivers/mmc/host/Makefile                     |   1 +
>>  drivers/mmc/host/sdhci-of-arasan.c            |  46 ---
>>  drivers/mmc/host/sdhci_am654.c                | 374 ++++++++++++++++++
>>  6 files changed, 428 insertions(+), 46 deletions(-)
>>  create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-am654.txt
>>  create mode 100644 drivers/mmc/host/sdhci_am654.c
> 
> 
> Gentle ping.

I see these in linux-next. 

aff88ff23512 (Faiz Abbas) 6 days ago  mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver
7f6e4cc6727d (Faiz Abbas) 6 days ago  dt-bindings: mmc: sdhci-of-arasan: Add deprecated message for AM65
351b766ef2c7 (Faiz Abbas) 6 days ago  dt-bindings: mmc: sdhci-am654: Document bindings for the host controllers on TI's AM654 SOCs

Thanks,
Sekhar