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Mon, 15 Apr 2019 09:49:25 -0700 (PDT) Subject: Re: [PATCH v10 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings To: Mason Yang , broonie@kernel.org, marek.vasut@gmail.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, bbrezillon@kernel.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org Cc: juliensu@mxic.com.tw, Simon Horman References: <1555313834-15107-1-git-send-email-masonccyang@mxic.com.tw> <1555313834-15107-4-git-send-email-masonccyang@mxic.com.tw> From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: <907f2e87-1cb4-fa37-5406-82bf2bf71188@cogentembedded.com> Date: Mon, 15 Apr 2019 19:49:24 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <1555313834-15107-4-git-send-email-masonccyang@mxic.com.tw> Content-Type: text/plain; charset=utf-8 Content-Language: en-MW Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/15/2019 10:37 AM, Mason Yang wrote: > Document the bindings used by the Renesas R-Car Gen3 RPC-IF MFD controller. > > Signed-off-by: Mason Yang > --- > .../devicetree/bindings/mfd/mfd-renesas-rpc.txt | 37 ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > > diff --git a/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > new file mode 100644 > index 0000000..bfb3d29 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt > @@ -0,0 +1,37 @@ > +Renesas R-Car Gen3 RPC-IF MFD controller Device Tree Bindings > +------------------------------------------------------------- > + > +Required properties: > +- compatible: should be an SoC-specific compatible value, followed by > + "renesas,rcar-gen3-rpc" as a fallback. > + supported SoC-specific values are: > + "renesas,r8a77995-rpc" (R-Car D3) > +- reg: should contain 2 entries, one for the base address of rpc-if registers, > + and one for the direct mapping area > +- reg-names: should contain "regs", and "dirmap" The device tree describes the hardware, not the driver. Why did you remove the "wbuf" area? [...] MBR, Sergei