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Date:   Tue, 19 Jan 2021 14:42:52 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        DTML <devicetree@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Michal Simek <michal.simek@...inx.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Shevchenko, Andriy" <andriy.shevchenko@...el.com>,
        Rashmi.A@...el.com, mahesh.r.vaidya@...el.com
Subject: Re: [PATCH v1 0/9] mmc: sdhci-of-arasan: Add UHS-1 support for Keem
 Bay SOC

On Thu, 14 Jan 2021 at 16:28, Muhammad Husaini Zulkifli
<muhammad.husaini.zulkifli@...el.com> wrote:
>
> Hi,
>
> This patch series adds Ultra High Speed(UHS-1) Bus Speed Mode Support for Keem Bay SoC SD Card.
> Summary of each patches as per below:
>
> Patch 1: Use of_device_get_match_data() helper to get the match-data.
> Patch 2: Convert to use np pointer instead of using pdev->dev.of_node.
> Patch 3: Add struct device *dev in probe func(), so that dev pointer can be widely use in probe to make code more readable.
> Patch 4: Change from dev_err to dev_err_probe() to avoid spamming logs when probe is deferred.
> Patch 5: Export function to be use by device driver to configure i/o voltage rail output which communicate with Trusted Firmware.
> Patch 6: Update phy and regulator supply for Keem Bay SoC.
> Patch 7: Add DT Binding for Keem Bay SoC SD Regulator.
> Patch 8: Add SD Regulator driver to support Keem Bay SoC. This is to model using standard regulator abstraction during voltage operation
> as for Keem Bay SoC, i/o voltage rail need to be configure by setting specific bit in the AON_CFG1 Register.
> AON_CFG1 Register is a secure register. Direct access to AON_CFG1 register will cause firewall violation in secure system.
> Patch 9: Add Ultra High Speed (UHS-1) Support for Keem Bay SOC. For Keem Bay hardware, two regulators are been used to change the I/O bus line voltage which are "vqmmc-supply" and "sdvrail-supply".
>
> All of these patches was tested with Keem Bay evaluation module board.
>
> Kindly help to review this patch set.
>
> Muhammad Husaini Zulkifli (9):
>   mmc: sdhci-of-arasan: use of_device_get_match_data()
>   mmc: sdhci-of-arasan: Convert to use np instead of pdev->dev.of_node
>   mmc: sdhci-of-arasan: Add structure device pointer in probe function
>   mmc: sdhci-of-arasan: Use dev_err_probe() to avoid spamming logs
>   firmware: keembay: Add support for Trusted Firmware Service call
>   dt-bindings: mmc: Update phy and regulator supply for Keem Bay SOC
>   dt-bindings: regulator: keembay: Add DT binding documentation
>   regulator: keembay: Add regulator for Keem Bay SoC
>   mmc: sdhci-of-arasan: Add UHS-1 support for Keem Bay SOC
>
>  .../devicetree/bindings/mmc/arasan,sdhci.yaml |   7 +-
>  .../bindings/regulator/keembay-regulator.yaml |  36 ++
>  drivers/mmc/host/sdhci-of-arasan.c            | 313 ++++++++++++++++--
>  drivers/regulator/Kconfig                     |  10 +
>  drivers/regulator/Makefile                    |   1 +
>  drivers/regulator/keembay-sd-regulator.c      | 112 +++++++
>  include/linux/firmware/intel/keembay.h        |  82 +++++
>  7 files changed, 532 insertions(+), 29 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/regulator/keembay-regulator.yaml
>  create mode 100644 drivers/regulator/keembay-sd-regulator.c
>  create mode 100644 include/linux/firmware/intel/keembay.h
>
> --
> 2.17.1
>

Applied patch 1 to patch 4. I assume you will be respinning the rest?

Thanks and kind regards
Uffe

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