1 Device-Tree bindings for tilcdc DRM driver
2
3 Required properties:
4 - compatible: value should be one of the foll
5 - "ti,am33xx-tilcdc" for AM335x based boar
6 - "ti,da850-tilcdc" for DA850/AM18x/OMAP-L
7 - interrupts: the interrupt number
8 - reg: base address and size of the LCDC devi
9
10 Recommended properties:
11 - ti,hwmods: Name of the hwmod associated to
12
13 Optional properties:
14 - max-bandwidth: The maximum pixels per secon
15 interface / lcd controller combination can
16 - max-width: The maximum horizontal pixel wid
17 the lcd controller.
18 - max-pixelclock: The maximum pixel clock tha
19 by the lcd controller in KHz.
20 - blue-and-red-wiring: Recognized values "str
21 This property deals with the LCDC revision
22 color errata [1].
23 - "straight" indicates normal wiring that
24 BGR888, and XBGR8888 color formats.
25 - "crossed" indicates wiring that has blue
26 crossed. This setup supports BGR565, RGB
27 formats.
28 - If the property is not present or its va
29 the legacy mode is assumed. This configu
30 RGB888 and XRGB8888 formats. However, de
31 and blue colors are swapped in either 16
32
33 Optional nodes:
34
35 - port/ports: to describe a connection to an
36 binding follows Documentation/devicetree/bi
37 supports a single port with a single endpoi
38
39 - See also Documentation/devicetree/bindings/
40 Documentation/devicetree/bindings/display/b
41 tfp410 DVI encoder or lcd panel to lcdc
42
43 [1] There is an errata about AM335x color wiri
44 the wires work as they should (LCD_DATA[0:
45 but for 24 bit color modes the wiring of b
46 crossed and LCD_DATA[0:4] is for Red[3:7]
47 for Blue[3-7]. For more details see sectio
48 Silicon Errata:
49 https://www.ti.com/general/docs/lit/getlit
50
51 Example:
52
53 fb: fb@4830e000 {
54 compatible = "ti,am33xx-tilcdc
55 reg = <0x4830e000 0x1000>;
56 interrupt-parent = <&intc>;
57 interrupts = <36>;
58 ti,hwmods = "lcdc";
59
60 blue-and-red-wiring = "crossed
61
62 port {
63 lcdc_0: endpoint {
64 remote-endpoin
65 };
66 };
67 };
68
69 tda19988: tda19988 {
70 compatible = "nxp,tda998x";
71 reg = <0x70>;
72
73 pinctrl-names = "default", "of
74 pinctrl-0 = <&nxp_hdmi_bonelt_
75 pinctrl-1 = <&nxp_hdmi_bonelt_
76
77 port {
78 hdmi_0: endpoint {
79 remote-endpoin
80 };
81 };
82 };
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