From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCHv2 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware Date: Wed, 16 Aug 2017 17:00:46 +0100 Message-ID: <20170816160046.GB12389@leverpostej> References: <2935be9896d54020720919e7dab7c2f86bdc83a3.1502886277.git.michal.simek@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <2935be9896d54020720919e7dab7c2f86bdc83a3.1502886277.git.michal.simek-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Michal Simek Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Arnd Bergmann , edgar.iglesias-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org, Rob Herring , Soren Brinkmann , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, monstr-pSz03upnqPeHXe+LvDLADg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring List-Id: devicetree@vger.kernel.org On Wed, Aug 16, 2017 at 02:24:56PM +0200, Michal Simek wrote: > From: Soren Brinkmann > > Document the DT bindings for the Zynq UltraScale+ PM Firmware. > > Signed-off-by: Soren Brinkmann > Signed-off-by: Michal Simek > --- > > Changes in v2: > - Move to bindings/firmware and also add it to firmware node > Reported-by Rob > > .../bindings/firmware/xlnx,zynqmp-pm.txt | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > create mode 100644 Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt > > diff --git a/Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt b/Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt > new file mode 100644 > index 000000000000..7de0c82758b3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt > @@ -0,0 +1,22 @@ > +Xilinx Zynq MPSoC Firmware Device Tree Bindings > + > +The zynqmp-pm node describes the interface to platform firmware. Is there any documentation for this? I appreciate that the answer might be "no". > +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 > + - interrupts: Interrupt specifier For what, exactly? Is this an interrupt for FW to signal the OS somehow? If so, is it an SGI? Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html