From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep Holla Subject: Re: [PATCH v5 1/8] Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol Date: Tue, 28 Jul 2015 11:22:20 +0100 Message-ID: <55B757DC.7020509@arm.com> References: <1437649828-14540-1-git-send-email-sudeep.holla@arm.com> <1437649828-14540-2-git-send-email-sudeep.holla@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1437649828-14540-2-git-send-email-sudeep.holla-5wv7dgnIgG8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Rutland Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Sudeep Holla , Liviu Dudau , Punit Agrawal , "Jon Medhurst (Tixy)" , Lorenzo Pieralisi , Arnd Bergmann , Olof Johansson , Kevin Hilman , Rob Herring , Jassi Brar , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: devicetree@vger.kernel.org Hi Mark, On 23/07/15 12:10, Sudeep Holla wrote: > This patch adds devicetree binding for System Control and Power > Interface (SCPI) Message Protocol used between the Application Cores(AP) > and the System Control Processor(SCP). The MHU peripheral provides a > mechanism for inter-processor communication between SCP's M3 processor > and AP. > > SCP offers control and management of the core/cluster power states, > various power domain DVFS including the core/cluster, certain system > clocks configuration, thermal sensors and many others. > > Signed-off-by: Sudeep Holla > Cc: Rob Herring > Cc: Mark Rutland Can you review or provide ACK if this looks good ? [..] > diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt > new file mode 100644 > index 000000000000..e21cce646561 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt > @@ -0,0 +1,151 @@ [..] > +cpu@0 { > + ... > + reg = <0 0>; > + clocks = <&scpi_dvfs 0>; > +}; > + > +hdlcd@7ff60000 { > + ... > + reg = <0 0x7ff60000 0 0x1000>; > + clocks = <&scpi_clk 4>; > +}; > + > +In the above example, the #clock-cells is set to 1 as required. > +scpi_dvfs has 3 output clocks namely: vbig, vlittle and vgpu with 0, 1 I noticed this just after sending it out, fixed now to match the names in the example correctly. Regards, Sudeep -- 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