Messages in this thread | | | From | Jolly Shah <> | Subject | RE: [PATCH 1/2] dt-bindings: soc: Add ZynqMP PM bindings | Date | Wed, 7 Mar 2018 22:55:09 +0000 |
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Hi Rob,
Thanks for the review,
> -----Original Message----- > From: Rob Herring [mailto:robh@kernel.org] > Sent: Monday, March 05, 2018 2:33 PM > To: Jolly Shah <JOLLYS@xilinx.com> > Cc: matthias.bgg@gmail.com; andy.gross@linaro.org; shawnguo@kernel.org; > geert+renesas@glider.be; bjorn.andersson@linaro.org; > sean.wang@mediatek.com; m.szyprowski@samsung.com; > michal.simek@xilinx.com; mark.rutland@arm.com; Rajan Vaja > <RAJANV@xilinx.com>; devicetree@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; linux-kernel@vger.kernel.org; Jolly Shah > <JOLLYS@xilinx.com> > Subject: Re: [PATCH 1/2] dt-bindings: soc: Add ZynqMP PM bindings > > On Tue, Feb 27, 2018 at 03:24:25PM -0800, Jolly Shah wrote: > > Add documentation to describe Xilinx ZynqMP power management bindings. > > > > Signed-off-by: Jolly Shah <jollys@xilinx.com> > > Signed-off-by: Rajan Vaja <rajanv@xilinx.com> > > --- > > .../bindings/soc/xilinx/xlnx,zynqmp-power.txt | 28 > ++++++++++++++++++++++ > > 1 file changed, 28 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt > > > > diff --git > > a/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt > > b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt > > new file mode 100644 > > index 0000000..5b7d963 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.t > > +++ xt > > @@ -0,0 +1,28 @@ > > +Xilinx Zynq MPSoC Power Management Device Tree Bindings > > + > > +The zynqmp-power node describes the power management configurations. > > That really tells me nothing. What aspect of power management does this > interface control? >
It controls remote suspend/shutdown interfaces. Will add details in next version.
> > + > > +Required properties: > > + - compatible : Must contain: "xlnx,zynqmp-power" > > + - mbox-names : Name given to channels seen in the 'mboxes' property. > > + "rx" - Mailbox corresponding to receive path > > + "tx" - Mailbox corresponding to transmit path > > + - mboxes : Standard property to specify a Mailbox. Each value of > > + the mboxes property should contain a phandle to the > > + mailbox controller device node and an args specifier > > + that will be the phandle to the intended sub-mailbox > > + child node to be used for communication. See > > + Documentation/devicetree/bindings/mailbox/mailbox.txt > > + for more details about the generic mailbox controller > > + and client driver bindings. Also see > > + Documentation/devicetree/bindings/mailbox/ \ > > + xlnx,zynqmp-ipi-mailbox.txt for typical controller that > > + is used to communicate with this System controllers. > > No need to define a standard property here. Just need to say how many entries > and refer to the common binding. >
Ok. Will update same in next version.
> > + > > +Examples: > > + zynqmp_power: zynqmp-power { > > + compatible = "xlnx,zynqmp-power"; > > + mboxes = <&ipi_mailbox_pmu0 0>, > > + <&ipi_mailbox_pmu0 1>; > > + mbox-names = "tx", "rx"; > > + }; > > -- > > 2.7.4 > >
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