diff options
| author | Alison Wang <b18965@freescale.com> | 2013-08-15 16:01:54 +0800 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2015-07-01 13:35:21 +0200 |
| commit | f729bf405bc94eb86141351f97a3e40fcf4cb25d (patch) | |
| tree | 3dcbeb064e4af27432b7b2a4a9a1efdebc4399c9 /Documentation | |
| parent | bb8da5ea6bb2b5921c0269f76e1eb125c312f6ca (diff) | |
Documentation: DT: Add DCU framebuffer driver
This patch adds the document for DCU framebuffer driver under
Documentation/devicetree/bindings/fb/.
Signed-off-by: Alison Wang <b18965@freescale.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/fb/fsl-dcu-fb.txt | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/fb/fsl-dcu-fb.txt b/Documentation/devicetree/bindings/fb/fsl-dcu-fb.txt new file mode 100644 index 000000000000..d0d50dd724d1 --- /dev/null +++ b/Documentation/devicetree/bindings/fb/fsl-dcu-fb.txt @@ -0,0 +1,67 @@ +* Freescale Display Control Unit (DCU) + +Required properties: +- compatible: Should be "fsl,vf610-dcu". Supported chips include + Vybrid VF610. +- reg: Address and length of the register set for DCU. +- interrupts: Should contain DCU interrupts. +- clocks: From common clock binding: handle to DCU clock. +- clock-names: From common clock binding: Shall be "dcu". +- tcon-controller: The phandle of TCON controller. +- display: The phandle to display node. + +For the DCU initialization, we read data from TCON node. +Required properties for TCON: +- compatible: Should be "fsl,vf610-tcon". Supported chips include + Vybrid VF610. +- reg: Address and length of the register set for TCON. +- clocks: From common clock binding: handle to TCON clock. +- clock-names: From common clock binding: Shall be "tcon". + +* display node + +Required properties: +- bits-per-pixel: <24> for RGB888. + +Required sub-node: +- display-timings: Refer to binding doc display-timing.txt for details. + +Examples: + +dcu0: dcu@40058000 { + compatible = "fsl,vf610-dcu"; + reg = <0x40058000 0x1200>; + interrupts = <0 30 0x04>; + clocks = <&clks VF610_CLK_DCU0>; + clock-names = "dcu"; + tcon-controller = <&tcon0>; + display = <&display>; + + display: display@0 { + bits-per-pixel = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: nl4827hc19 { + clock-frequency = <10870000>; + hactive = <480>; + vactive = <272>; + hback-porch = <2>; + hfront-porch = <2>; + vback-porch = <1>; + vfront-porch = <1>; + hsync-len = <41>; + vsync-len = <2>; + hsync-active = <1>; + vsync-active = <1>; + }; + }; + }; +}; + +tcon0: tcon@4003d000 { + compatible = "fsl,vf610-tcon"; + reg = <0x4003d000 0x1000>; + clocks = <&clks VF610_CLK_TCON0>; + clock-names = "tcon"; +}; |