[PATCH v6 0/4] phy: USB and PCIe phy drivers for Qcom chipsets

[Vivek Gautam]

On 03/20/2017 07:24 PM, Vivek Gautam wrote:
> This patch series adds couple of PHY drivers for Qualcomm chipsets.
> a) qcom-qusb2 phy driver: that provides High Speed USB functionality.
> b) qcom-qmp phy driver: that is a combo phy providing support for
>     USB3, PCIe, UFS and few other controllers.
>
> The patches are based on next branch of linux-phy tree, and depends
> on phy driver grouping series[1]:
> [PATCH v4 0/3] phy: Group phy drivers based on vendor listing.
>
> These patches have been tested on Dragon board db820c hardware with
> required set of dt patches and the patches to get rpm up on msm8996.
> Couple of other patches [2, 3] fixing DMA config for XHCI are also
> pulled in for testing.
> The complete branch is available in github [4].
>
> Changes since v5:
>   - Addressed review comments from Bjorn:
>     - Removed instances of readl/wirtel_relaxed calls from the drivers.
>       Instead, using simple readl/writel. Inserting a readl after a writel
>       to ensure the write is through to the device.
>     - Replaced regulator handling with regulator_bulk_** apis. This helps
>       in cutting down a lot of regulator handling code.
>     - Fixed minor return statements.
>
> Changes since v4:
>   - Addressed comment to add child nodes for qmp phy driver. Each phy lane
>     now has a separate child node under the main qmp node.
>   - Modified the clock and reset initialization and enable methods.
>     Different phys - pcie, usb and later ufs, have varying number of clocks
>     and resets that are mandatory. So adding provision for clocks and reset
>     lists helps in requesting all mandatory resources for individual phys
>     and handle their failure cases accordingly.
>
> Changes since v3:
>   - Addressed review comments given by Rob and Stephen for qusb2 phy
>     and qmp phy bindings respectively.
>   - Addressed review comments given by Stephen and Bjorn for qmp phy driver.
>
> Changes since v2:
>   - Addressed review comments given by Rob and Stephen for bindings.
>   - Addressed the review comments given by Stephen for the qusb2 and qmp
>     phy drivers.
>
> Changes since v1:
>   - Moved device tree binding documentation to separate patches, as suggested
>     by Rob.
>   - Addressed review comment regarding qfprom accesses by qusb2 phy driver,
>     given by Rob.
>   - Addressed review comments from Kishon.
>   - Addressed review comments from Srinivas for QMP phy driver.
>   - Addressed kbuild warning.
>
> Please see individual patches for detailed changelogs.
>
> [1] https://www.spinics.net/lists/arm-kernel/msg569990.html
> [2] https://patchwork.kernel.org/patch/9567767/
> [3] https://patchwork.kernel.org/patch/9567779/
> [4] https://github.com/vivekgautam1/linux/tree/linux-phy-next-qcom-phy-db820c
>
> Vivek Gautam (4):
>    dt-bindings: phy: Add support for QUSB2 phy
>    phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips
>    dt-bindings: phy: Add support for QMP phy
>    phy: qcom-qmp: new qmp phy driver for qcom-chipsets

Gentle ping!
Any more comments on this series, or are we planning to get this in for 
4.12 ?

Regards
Vivek

>
>   .../devicetree/bindings/phy/qcom-qmp-phy.txt       |  106 ++
>   .../devicetree/bindings/phy/qcom-qusb2-phy.txt     |   45 +
>   drivers/phy/qualcomm/Kconfig                       |   18 +
>   drivers/phy/qualcomm/Makefile                      |    2 +
>   drivers/phy/qualcomm/phy-qcom-qmp.c                | 1153 ++++++++++++++++++++
>   drivers/phy/qualcomm/phy-qcom-qusb2.c              |  491 +++++++++
>   6 files changed, 1815 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
>   create mode 100644 Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
>   create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp.c
>   create mode 100644 drivers/phy/qualcomm/phy-qcom-qusb2.c
>

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