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[86.49.110.70]) by smtp.gmail.com with ESMTPSA id j14sm18969742wrv.96.2018.12.05.13.55.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Dec 2018 13:55:16 -0800 (PST) Subject: Re: [PATCH v2 2/2] dt-binding: spi: Document Renesas R-Car Gen3 RPC controller bindings To: Sergei Shtylyov , Mason Yang , broonie@kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, boris.brezillon@bootlin.com, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven Cc: juliensu@mxic.com.tw, Simon Horman , zhengxunli@mxic.com.tw References: <1543828720-18345-1-git-send-email-masonccyang@mxic.com.tw> <1543828720-18345-3-git-send-email-masonccyang@mxic.com.tw> <2e719883-4cfd-b456-b894-853e99515092@gmail.com> <8de55806-ee08-69c6-df1b-45b1eba607a6@cogentembedded.com> From: Marek Vasut Message-ID: Date: Wed, 5 Dec 2018 22:55:15 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <8de55806-ee08-69c6-df1b-45b1eba607a6@cogentembedded.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/05/2018 07:56 PM, Sergei Shtylyov wrote: > On 12/04/2018 09:19 PM, Marek Vasut wrote: > >>> Document the bindings used by the Renesas R-Car Gen3 RPC SPI controller. >> >> RPC is SPI and HF controller, it is not a pure SPI controller. >> >> How does this deal with the HF part ? Keep in mind the bindings are ABI >> and it will be difficult to redo them later. > > Perhaps we need a "mode" prop, maybe w/vendor prefix? Or, like I said last time, discern it based on the DT subnode. It can be either SPI NOR or CFI NOR. >>> Signed-off-by: Mason Yang > [...] > > MBR, Sergei > -- Best regards, Marek Vasut