xref: /freebsd/sys/contrib/device-tree/Bindings/display/ti/ti,dra7-dss.txt (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1Texas Instruments DRA7x Display Subsystem
2=========================================
3
4See Documentation/devicetree/bindings/display/ti/ti,omap-dss.txt for generic
5description about OMAP Display Subsystem bindings.
6
7DSS Core
8--------
9
10Required properties:
11- compatible: "ti,dra7-dss"
12- reg: address and length of the register spaces for 'dss'
13- ti,hwmods: "dss_core"
14- clocks: handle to fclk
15- clock-names: "fck"
16- syscon: phandle to control module core syscon node
17
18Optional properties:
19
20Some DRA7xx SoCs have one dedicated video PLL, some have two. These properties
21can be used to describe the video PLLs:
22
23- reg: address and length of the register spaces for 'pll1_clkctrl',
24  'pll1', 'pll2_clkctrl', 'pll2'
25- clocks: handle to video1 pll clock and video2 pll clock
26- clock-names: "video1_clk" and "video2_clk"
27
28Required nodes:
29- DISPC
30
31Optional nodes:
32- DSS Submodules: HDMI
33- Video port for DPI output
34
35DPI Endpoint required properties:
36- data-lines: number of lines used
37
38
39DISPC
40-----
41
42Required properties:
43- compatible: "ti,dra7-dispc"
44- reg: address and length of the register space
45- ti,hwmods: "dss_dispc"
46- interrupts: the DISPC interrupt
47- clocks: handle to fclk
48- clock-names: "fck"
49
50Optional properties:
51- max-memory-bandwidth: Input memory (from main memory to dispc) bandwidth limit
52			in bytes per second
53
54
55HDMI
56----
57
58Required properties:
59- compatible: "ti,dra7-hdmi"
60- reg: addresses and lengths of the register spaces for 'wp', 'pll', 'phy',
61       'core'
62- reg-names: "wp", "pll", "phy", "core"
63- interrupts: the HDMI interrupt line
64- ti,hwmods: "dss_hdmi"
65- vdda-supply: vdda power supply
66- clocks: handles to fclk and pll clock
67- clock-names: "fck", "sys_clk"
68
69Optional nodes:
70- Video port for HDMI output
71
72HDMI Endpoint optional properties:
73- lanes: list of 8 pin numbers for the HDMI lanes: CLK+, CLK-, D0+, D0-,
74  D1+, D1-, D2+, D2-. (default: 0,1,2,3,4,5,6,7)
75