Re: [PATCH v5 3/4] dt-bindings: phy: Add support for QMP phy

From: Rob Herring
Date: Wed Mar 15 2017 - 16:35:03 EST


On Thu, Mar 09, 2017 at 02:37:20PM +0530, Vivek Gautam wrote:
> Qualcomm chipsets have QMP phy controller that provides
> support to a number of controller, viz. PCIe, UFS, and USB.
> Adding dt binding information for the same.
>
> Signed-off-by: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> ---
>
> Hi Rob,
> I have removed your Acked-by tag because of the change in bindings.
> Please consider adding your Ack again if you are fine with these
> updated bindings.
>
> Changes since v4:
> - Added bindings for child nodes. Each phy lane is represented by child
> node with its own register space (for tx, rx and pcs blocks), and clocks
> and resets for power control facility.
> - Removed register space and lane offsets for tx, rx and pcs blocks from
> qmp phy node.
> - #phy-cells is now part of each child node and thus must be 0.
> - Added information on list of mandatory clocks and resets for each phy.
>
> Changes since v3:
> - Added #clock-cells = <1>, indicating that phy is a clock provider.
>
> Changes since v2:
> - Removed binding for "ref_clk_src" since we don't request this
> clock in the driver.

Humm, sounds suspicious. You should describe clocks connected to the h/w
block, not what the driver uses (currently).

> - Addressed s/ref_clk/ref. Don't need to add '_clk' suffix to clock names.
> - Using 'phy' for the node name.
>
> Changes since v1:
> - New patch, forked out of the original driver patch:
> "phy: qcom-qmp: new qmp phy driver for qcom-chipsets"
> - Added 'Acked-by' from Rob.
> - Updated bindings to include mem resource as a list of
> offset - length pair for serdes block and for each lane.
> - Added a new binding for 'lane-offsets' that contains offsets
> to tx, rx and pcs blocks from each lane base address.
>
> .../devicetree/bindings/phy/qcom-qmp-phy.txt | 106 +++++++++++++++++++++
> 1 file changed, 106 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt

Acked-by: Rob Herring <robh@xxxxxxxxxx>