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[85.68.183.99]) by smtp.gmail.com with ESMTPSA id q3sm80304040wrn.84.2019.01.16.04.40.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Jan 2019 04:40:49 -0800 (PST) From: Maxime Jourdan To: Kevin Hilman Cc: Maxime Jourdan , Rob Herring , Neil Armstrong , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v3 1/2] dt-bindings: meson: add specific simplefb bindings Date: Wed, 16 Jan 2019 13:40:29 +0100 Message-Id: <20190116124030.16882-2-mjourdan@baylibre.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190116124030.16882-1-mjourdan@baylibre.com> References: <20190116124030.16882-1-mjourdan@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Reviewed-by: Rob Herring Signed-off-by: Maxime Jourdan --- .../display/amlogic,simple-framebuffer.txt | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.txt diff --git a/Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.txt b/Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.txt new file mode 100644 index 000000000000..aaa6c24c8e70 --- /dev/null +++ b/Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.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", "simple-framebuffer" +- amlogic,pipeline, one of: + "vpu-cvbs" + "vpu-hdmi" + +Example: + +chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + simplefb_hdmi: framebuffer-hdmi { + 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>; + }; +}; -- 2.20.1