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| author | Markus Pargmann <mpa@pengutronix.de> | 2013-05-26 14:35:38 +0400 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2013-07-08 12:36:49 +0400 |
| commit | 1b6c79361ba5ce30b40f0f7d6fc2421dc5fcbe0c (patch) | |
| tree | 835b5dce4d4a29f1c1dc67c17f9d9658e648837c /Documentation | |
| parent | 19fd7441e9cc29b6c6d73c5469b3c93aa245fbb5 (diff) | |
| download | linux-1b6c79361ba5ce30b40f0f7d6fc2421dc5fcbe0c.tar.xz | |
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 <mpa@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/video/fsl,imx-fb.txt | 51 |
1 files changed, 51 insertions, 0 deletions
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,<chip>-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>; + }; + }; + }; |