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[46.135.83.217]) by smtp.gmail.com with ESMTPSA id e9sm22044225wro.16.2018.12.26.11.07.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 26 Dec 2018 11:07:52 -0800 (PST) Subject: Re: [PATCH v4 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC controller bindings To: 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 , sergei.shtylyov@cogentembedded.com Cc: juliensu@mxic.com.tw, Simon Horman , zhengxunli@mxic.com.tw References: <1545634358-17485-1-git-send-email-masonccyang@mxic.com.tw> <1545634358-17485-3-git-send-email-masonccyang@mxic.com.tw> From: Marek Vasut Openpgp: preference=signencrypt Message-ID: <13e662c5-7476-191c-35bb-c451ab900473@gmail.com> Date: Wed, 26 Dec 2018 20:07:24 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <1545634358-17485-3-git-send-email-masonccyang@mxic.com.tw> 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 12/24/18 7:52 AM, Mason Yang wrote: > Document the bindings used by the Renesas R-Car Gen3 RPC controller. > > Signed-off-by: Mason Yang > --- > .../devicetree/bindings/spi/spi-renesas-rpc.txt | 37 ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > > diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > new file mode 100644 > index 0000000..ba863d7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt > @@ -0,0 +1,37 @@ > +Renesas R-Car Gen3 RPC controller Device Tree Bindings > +------------------------------------------------------ > + > +Required properties: > +- compatible: should be "renesas,r8a77995-rpc" > +- #address-cells: should be 1 > +- #size-cells: should be 0 > +- reg: should contain 2 entries, one for the registers and one for the direct > + mapping area > +- reg-names: should contain "regs" and "dirmap" > +- clock-names: should contain "rpc" > +- clocks: should contain 1 entries for the module's clock > +- renesas,rpc-mode: should contain "spi" for rpc spi mode or > + "hyperflash" for rpc hyerflash mode. We do not need special property to identify that the controller is in HF mode, just attach CFI NOR node or JEDEC SPI NOR underneath it. -- Best regards, Marek Vasut