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Thu, 20 Dec 2018 11:52:29 -0800 (PST) Received: from localhost ([2607:fb90:20d2:a5e2:49af:e73e:5a36:3b50]) by smtp.gmail.com with ESMTPSA id c78sm16305114oig.30.2018.12.20.11.52.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 20 Dec 2018 11:52:29 -0800 (PST) Date: Thu, 20 Dec 2018 13:52:28 -0600 From: Rob Herring To: Maxime Jourdan Subject: Re: [PATCH 1/2] dt-bindings: meson: add specific simplefb bindings Message-ID: <20181220195228.GA17561@bogus> References: <20181210090640.4495-1-mjourdan@baylibre.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20181210090640.4495-1-mjourdan@baylibre.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181220_115241_274127_F1D9574A X-CRM114-Status: GOOD ( 17.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Neil Armstrong , Kevin Hilman , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Dec 10, 2018 at 10:06:39AM +0100, Maxime Jourdan wrote: > Similar to simple-framebuffer-sunxi, we support different display pipelines > that the firmware is free to choose from. > > This documents the "amlogic,simple-framebuffer" compatible and the > "amlogic,pipeline" extension. > > Signed-off-by: Maxime Jourdan > --- > .../display/simple-framebuffer-meson.txt | 33 +++++++++++++++++++ > 1 file changed, 33 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/simple-framebuffer-meson.txt > > diff --git a/Documentation/devicetree/bindings/display/simple-framebuffer-meson.txt b/Documentation/devicetree/bindings/display/simple-framebuffer-meson.txt > new file mode 100644 > index 000000000000..122a5c005cd9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/simple-framebuffer-meson.txt > @@ -0,0 +1,33 @@ > +Meson specific Simple Framebuffer bindings > + > +This binding documents meson specific extensions to the simple-framebuffer > +bindings. The meson simplefb u-boot code relies on the devicetree containing > +pre-populated simplefb nodes. > + > +These extensions are intended so that u-boot can select the right node based > +on which pipeline is being used. As such they are solely intended for > +firmware / bootloader use, and the OS should ignore them. > + > +Required properties: > +- compatible: "amlogic,simple-framebuffer" And a fallback? > +- amlogic,pipeline, one of: > + "vpu-cvbs" > + "vpu-hdmi" > + > +Example: > + > +chosen { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + framebuffer@0 { Without 'reg', you shouldn't have a unit-address. > + compatible = "amlogic,simple-framebuffer", > + "simple-framebuffer"; > + amlogic,pipeline = "vpu-hdmi"; > + clocks = <&clkc CLKID_HDMI_PCLK>, > + <&clkc CLKID_CLK81>, > + <&clkc CLKID_GCLK_VENCI_INT0>; > + power-domains = <&pwrc_vpu>; > + }; > +}; > -- > 2.19.2 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel