From 1b6c79361ba5ce30b40f0f7d6fc2421dc5fcbe0c Mon Sep 17 00:00:00 2001 From: Markus Pargmann Date: Sun, 26 May 2013 12:35:38 +0200 Subject: video: imxfb: Add DT support Add devicetree support for imx framebuffer driver. It uses the generic display bindings and helper functions. Signed-off-by: Markus Pargmann Cc: Fabio Estevam Cc: Mark Rutland Acked-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Sascha Hauer --- .../devicetree/bindings/video/fsl,imx-fb.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/fsl,imx-fb.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/video/fsl,imx-fb.txt b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt new file mode 100644 index 000000000000..46da08db186a --- /dev/null +++ b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt @@ -0,0 +1,51 @@ +Freescale imx21 Framebuffer + +This framebuffer driver supports devices imx1, imx21, imx25, and imx27. + +Required properties: +- compatible : "fsl,-fb", chip should be imx1 or imx21 +- reg : Should contain 1 register ranges(address and length) +- interrupts : One interrupt of the fb dev + +Required nodes: +- display: Phandle to a display node as described in + Documentation/devicetree/bindings/video/display-timing.txt + Additional, the display node has to define properties: + - bits-per-pixel: Bits per pixel + - fsl,pcr: LCDC PCR value + +Optional properties: +- fsl,dmacr: DMA Control Register value. This is optional. By default, the + register is not modified as recommended by the datasheet. +- fsl,lscr1: LCDC Sharp Configuration Register value. + +Example: + + imxfb: fb@10021000 { + compatible = "fsl,imx21-fb"; + interrupts = <61>; + reg = <0x10021000 0x1000>; + display = <&display0>; + }; + + ... + + display0: display0 { + model = "Primeview-PD050VL1"; + native-mode = <&timing_disp0>; + bits-per-pixel = <16>; + fsl,pcr = <0xf0c88080>; /* non-standard but required */ + display-timings { + timing_disp0: 640x480 { + hactive = <640>; + vactive = <480>; + hback-porch = <112>; + hfront-porch = <36>; + hsync-len = <32>; + vback-porch = <33>; + vfront-porch = <33>; + vsync-len = <2>; + clock-frequency = <25000000>; + }; + }; + }; -- cgit v1.2.3