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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id q15-v6sm761425otl.43.2018.09.27.09.50.45 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 27 Sep 2018 09:50:45 -0700 (PDT) Date: Thu, 27 Sep 2018 11:50:44 -0500 From: Rob Herring To: Guo Ren Cc: akpm@linux-foundation.org, arnd@arndb.de, daniel.lezcano@linaro.org, davem@davemloft.net, gregkh@linuxfoundation.org, jason@lakedaemon.net, marc.zyngier@arm.com, mark.rutland@arm.com, mchehab+samsung@kernel.org, peterz@infradead.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, devicetree@vger.kernel.org, green.hu@gmail.com, palmer@sifive.com Subject: Re: [PATCH V5 23/30] dt-bindings: interrupt-controller: C-SKY SMP intc Message-ID: <20180927165044.GA30320@bogus> References: <57888913907d6c22b23425ed9d4e5a79be5b2eff.1537789737.git.ren_guo@c-sky.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <57888913907d6c22b23425ed9d4e5a79be5b2eff.1537789737.git.ren_guo@c-sky.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 25, 2018 at 07:39:26AM +0800, Guo Ren wrote: > - Dt-bindings doc about C-SKY Multi-processors interrupt controller. > > Signed-off-by: Guo Ren > --- > .../bindings/interrupt-controller/csky,mpintc.txt | 40 ++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt > new file mode 100644 > index 0000000..9cdad74 > --- /dev/null > +++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt > @@ -0,0 +1,40 @@ > +=========================================== > +C-SKY Multi-processors Interrupt Controller > +=========================================== > + > +C-SKY Multi-processors Interrupt Controller is designed for ck807/ck810/ck860 > +SMP soc, and it also could be used in non-SMP system. > + > +Interrupt number definition: > + > + 0-15 : software irq, and we use 15 as our IPI_IRQ. > + 16-31 : private irq, and we use 16 as the co-processor timer. > + 31-1024: common irq for soc ip. > + > +============================= > +intc node bindings definition > +============================= > + > + Description: Describes SMP interrupt controller > + > + PROPERTIES > + > + - compatible > + Usage: required > + Value type: > + Definition: must be "csky,mpintc" Only 1 version? This is fine for a fallback, but you should have an SoC specific compatible too in case there are any SoC specific errata/quirks. > + - interrupt-cells Should be: #interrupt-cells > + Usage: required > + Value type: > + Definition: must be <1> > + - interrupt-controller: > + Usage: required > + > +Examples: > +--------- > + > + intc: interrupt-controller { > + compatible = "csky,mpintc"; > + #interrupt-cells = <1>; > + interrupt-controller; > + }; > -- > 2.7.4 >