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Date: Sun, 4 Oct 2015 12:31:23 +0200 From: Robert Jarzmik <robert.jarzmik@...e.fr> To: Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Philipp Zabel <philipp.zabel@...il.com> Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>, Tomi Valkeinen <tomi.valkeinen@...com>, linux-fbdev@...r.kernel.org, Robert Jarzmik <robert.jarzmik@...e.fr> Subject: [PATCH v2] video: fbdev: add Marvell PXA framebuffer binding Add documentation for the PXA frambuffer devicetree binding. Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr> --- Since v1: Philipp's review on the whole binding --- .../devicetree/bindings/video/marvell,pxafb.txt | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/marvell,pxafb.txt diff --git a/Documentation/devicetree/bindings/video/marvell,pxafb.txt b/Documentation/devicetree/bindings/video/marvell,pxafb.txt new file mode 100644 index 000000000000..4d6bd490680d --- /dev/null +++ b/Documentation/devicetree/bindings/video/marvell,pxafb.txt @@ -0,0 +1,80 @@ +PXA LCDC Framebuffer +-------------------- + +Required properties: + - compatible : + "marvell,pxa2xx-lcdc", + - reg : Should contain 1 register ranges(address and length). + Can contain an additional register range(address and length) + for fixed framebuffer memory. Useful for dedicated memories. + - interrupts : framebuffer controller interrupt + +Required nodes: + - clocks: phandle to input clocks. + - port: connection to the LCD panel (see video-interfaces.txt) + This nodes must have its properties bus-width and remote-endpoint set. + This should be in the board dts. + +Example: + + lcd-controller@...00000 { + compatible = "marvell,pxa2xx-lcdc"; + reg = <0x44000000 0x10000>; + interrupts = <17>; + clocks = <&clks CLK_LCD>; + interrupts = <23>; + status = "okay"; + + port { + lcdc_out: endpoint { + remote-endpoint = <&panel_in>; + bus-width = <16>; + }; + }; + }; + +PXA LCDC Display +---------------- +Required properties (as per of_videomode_helper): + - lcd-type: either "mono-stn", "mono-dstn", "color-stn", "color-dstn", + "color-tft", "smart-panel" + +Optional properties (as per of_videomode_helper): + - power-supply: power supply regulator to the LCD to power it on or off + (see regulator.txt) + - backlight: backlight control (see backlight.txt) + +Required nodes: + - port: connection to the LCD controller + - display-timings: panel timings (see display-timing.txt) + +Example: + panel { + compatible = "toshiba,ltm0305a776"; + lcd-type = "color-tft"; + + power-supply = <&lcd_supply>; + backlight = <&lcd_backlight>; + + port { + panel_in: endpoint { + remote-endpoint = <&lcdc_out>; + }; + }; + + display-timings { + native-mode = <&timing0>; + timing0: 240p { + /* 240x320p24 */ + clock-frequency = <4545000>; + hactive = <240>; + vactive = <320>; + hfront-porch = <4>; + hback-porch = <6>; + hsync-len = <4>; + vback-porch = <5>; + vfront-porch = <3>; + vsync-len = <2>; + }; + }; + }; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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