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Thu, 24 Jan 2019 00:16:51 -0800 (PST) Subject: Re: [PATCH v7 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC-IF controller bindings To: masonccyang@mxic.com.tw Cc: bbrezillon@kernel.org, broonie@kernel.org, Geert Uytterhoeven , Simon Horman , juliensu@mxic.com.tw, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-spi@vger.kernel.org, marek.vasut@gmail.com, zhengxunli@mxic.com.tw References: <1548227352-14910-1-git-send-email-masonccyang@mxic.com.tw> <1548227352-14910-3-git-send-email-masonccyang@mxic.com.tw> <7a2bf711-f51e-82b0-b0c0-5d67f2c1d043@cogentembedded.com> From: Sergei Shtylyov Message-ID: <7cdecc93-fc7a-3602-25c2-23107dca2a5e@cogentembedded.com> Date: Thu, 24 Jan 2019 11:16:43 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24.01.2019 4:40, masonccyang@mxic.com.tw wrote: > > > @@ -0,0 +1,46 @@ > > > +Renesas R-Car Gen3 RPC-IF controller Device Tree Bindings > > > +-------------------------------------------------------------------- > > > + > > > +Required properties: > > > +- compatible: should be an SoC-specific compatible value, followed by > > > +      "renesas,rcar-gen3-rpc" as a fallback, i.e., > > > +      "renesas,r8a77995-rpc", "renesas,rcar-gen3-rpc". > > > +      "renesas,r8a7795-rpc" (R-Car H3) > > > +      "renesas,r8a7796-rpc" (R-Car M3-W) > > > +      "renesas,r8a77965-rpc" (R-Car M3-N) > > > +      "renesas,r8a77970-rpc" (R-Car V3M) > > > +      "renesas,r8a77980-rpc" (R-Car V3H) > > > +      "renesas,r8a77990-rpc" (R-Car E3) > > > +      "renesas,r8a77995-rpc" (R-Car D3) > > > +- reg: should contain three register areas: > > > >    The driver now handles "dirmap" and "wbuf" resources as optional -- > > you need to document that. > > > > Why ? Because the driver treats "dirmap" and "wbuf" as optional resources. [...] > best regards, > Mason MBR, Sergei