linux-kernel - Re: [PATCH v4 0/3] drivers: soc: xilinx: Add support for ZynqMP power domain driver

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Message-ID: <260f1225-882f-d49c-8a6b-6d40730081ae@xilinx.com>
Date:   Tue, 12 Feb 2019 13:43:41 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     Jolly Shah <jolly.shah@...inx.com>, <matthias.bgg@...il.com>,
        <andy.gross@...aro.org>, <shawnguo@...nel.org>,
        <geert+renesas@...der.be>, <bjorn.andersson@...aro.org>,
        <sean.wang@...iatek.com>, <m.szyprowski@...sung.com>,
        <michal.simek@...inx.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>
CC:     <rajanv@...inx.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Jolly Shah <jollys@...inx.com>
Subject: Re: [PATCH v4 0/3] drivers: soc: xilinx: Add support for ZynqMP power
 domain driver

On 01. 02. 19 23:08, Jolly Shah wrote:
> The zynqmp power domain driver communicates the usage requirements
> for logical power domains / devices to the platform FW.
> FW is responsible for choosing appropriate power states,
> taking Linux' usage information into account.
> 
> v4:
>  - Added reviewed tag for dt bindings
>  - Remove local device list for each domain and use list maintained in core genpd structure
>  - Remove hardcoded pd-id to node ID mapping. Instead use argument passed in peripheral node as node ID. 
>    Firmware would validate node ID when APIs requested from genpd ops.
> 
> v3:
>  - Changed binding to have FW node as a power controller as suggested by Rob
>  - Updated FW driver to register it as mfd child devices from firmware probe
>  - Move bindings location as suggested
> 
> v2:
>  - Rebased on top of latest firmware driver patch series
>  - Updated driver name from zynqmp-genpd to zynqmp-power-controller
>  - Updated device tree bindings to move power controller node under firmware node
> 
> Jolly Shah (1):
>   drivers: soc: xilinx: Add ZynqMP power domain driver
> 
> Rajan Vaja (2):
>   dt-bindings: power: Add ZynqMP power domain bindings
>   firmware: xilinx: Add APIs to control node status/power
> 
>  .../bindings/power/xlnx,zynqmp-genpd.txt           |  34 +++
>  drivers/firmware/xilinx/Kconfig                    |   1 +
>  drivers/firmware/xilinx/zynqmp.c                   |  73 +++++
>  drivers/soc/xilinx/Kconfig                         |   9 +
>  drivers/soc/xilinx/Makefile                        |   1 +
>  drivers/soc/xilinx/zynqmp_pm_domains.c             | 321 +++++++++++++++++++++
>  include/dt-bindings/power/xlnx-zynqmp-power.h      |  39 +++
>  include/linux/firmware/xlnx-zynqmp.h               |  26 ++
>  8 files changed, 504 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt
>  create mode 100644 drivers/soc/xilinx/zynqmp_pm_domains.c
>  create mode 100644 include/dt-bindings/power/xlnx-zynqmp-power.h
> 

Applied.

Thanks,
Michal