RE: [PATCH v2 1/3] dt-bindings: soc: Add ZynqMP PM bindings

From: Jolly Shah
Date: Fri Aug 24 2018 - 18:15:23 EST


Hi Rob,

> -----Original Message-----
> From: Rob Herring [mailto:robh@xxxxxxxxxx]
> Sent: Monday, August 20, 2018 12:49 PM
> To: Jolly Shah <JOLLYS@xxxxxxxxxx>
> Cc: matthias.bgg@xxxxxxxxx; andy.gross@xxxxxxxxxx; shawnguo@xxxxxxxxxx;
> geert+renesas@xxxxxxxxx; bjorn.andersson@xxxxxxxxxx;
> sean.wang@xxxxxxxxxxxx; m.szyprowski@xxxxxxxxxxx; Michal Simek
> <michals@xxxxxxxxxx>; mark.rutland@xxxxxxx; Rajan Vaja
> <RAJANV@xxxxxxxxxx>; devicetree@xxxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Rajan Vaja
> <RAJANV@xxxxxxxxxx>; Jolly Shah <JOLLYS@xxxxxxxxxx>
> Subject: Re: [PATCH v2 1/3] dt-bindings: soc: Add ZynqMP PM bindings
>
> On Mon, Aug 20, 2018 at 02:40:57PM -0500, Rob Herring wrote:
> > On Thu, Aug 16, 2018 at 12:08:01PM -0700, Jolly Shah wrote:
> > > From: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
> > >
> > > Add documentation to describe Xilinx ZynqMP power management
> > > bindings.
> > >
> > > Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
> > > Signed-off-by: Jolly Shah <jollys@xxxxxxxxxx>
> > > ---
> > > .../bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt | 16
> ++++++++++++++++
>
> Also, this should be located in bindings/power/reset/

Base firmware node has clock subnode too. Do you still suggest to move bindings to "bindings/power/reset/" or keep it
under "bindings/firmware" ?

Thanks,
Jolly Shah

>
> > > 1 file changed, 16 insertions(+)
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firm
> > > ware.txt
> > > b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firm
> > > ware.txt
> > > index d215d15..cb9a6b7 100644
> > > ---
> > > a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firm
> > > ware.txt
> > > +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> > > +++ firmware.txt
> > > @@ -64,6 +64,17 @@ Output clocks are registered based on clock
> > > information received from firmware. Output clocks indexes are
> > > mentioned in include/dt-bindings/clock/xlnx,zynqmp-clk.h.
> > >
> > > +-------------------------------------------------------------------
> > > +- Device Tree Bindings for the Xilinx Zynq MPSoC Power Management
> > > +-------------------------------------------------------------------
> > > +- The zynqmp-power node describes the power management
> > > +configurations.
> > > +It will control remote suspend/shutdown interfaces.
> > > +
> > > +Required properties:
> > > + - compatible: Must contain: "xlnx,zynqmp-power"
> > > + - interrupt-parent: Interrupt controller the interrupt is routed through
> >
> > interrupt-parent is implied and could be in a parent node, so remove.
> >
> > With that,
> >
> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> >
> > > + - interrupts: Interrupt specifier
> > > +
> > > -------
> > > Example
> > > -------
> > > @@ -78,5 +89,10 @@ firmware {
> > > clocks = <&pss_ref_clk>, <&video_clk>,
> <&pss_alt_ref_clk>, <&aux_ref_clk>, <&gt_crx_ref_clk>;
> > > clock-names = "pss_ref_clk", "video_clk",
> "pss_alt_ref_clk","aux_ref_clk", "gt_crx_ref_clk";
> > > };
> > > + zynqmp_power: zynqmp-power {
> > > + compatible = "xlnx,zynqmp-power";
> > > + interrupt-parent = <&gic>;
> > > + interrupts = <0 35 4>;
> > > + };
> > > };
> > > };
> > > --
> > > 2.7.4
> > >