Re: [PATCH 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware

From: Rob Herring
Date: Thu Aug 10 2017 - 15:11:03 EST


On Fri, Aug 04, 2017 at 03:45:30PM +0200, Michal Simek wrote:
> From: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
>
> Document the DT bindings for the Zynq UltraScale+ PM Firmware.
>
> Signed-off-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> ---
>
> .../devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt | 19 +++++++++++++++++++

bindings/firmware/

> 1 file changed, 19 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt
>
> diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt
> new file mode 100644
> index 000000000000..222a18ce07fc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt
> @@ -0,0 +1,19 @@
> +Xilinx Zynq MPSoC Firmware Device Tree Bindings
> +
> +The zynqmp-pm node describes the interface to platform firmware.

Please define this should be under /firmware node.

> +Required properties:
> + - compatible: Must contain: "xlnx,zynqmp-pm"
> + - method: The method of calling the PM-API firmware layer.
> + Permitted values are:
> + - "smc" : To be used in configurations without a hypervisor
> + - "hvc" : To be used when hypervisor is present

Do you really use both?

> + - interrupts: Interrupt specifier
> +
> +Examples:
> + zynqmp-firmware {
> + compatible = "xlnx,zynqmp-pm";
> + method = "smc";
> + interrupt-parent = <&gic>;
> + interrupts = <0 35 4>;
> + };
> --
> 1.9.1
>