1 Device-Tree bindings for tilcdc DRM generic pa 1 Device-Tree bindings for tilcdc DRM generic panel output driver
2 2
3 Required properties: 3 Required properties:
4 - compatible: value should be "ti,tilcdc,pane 4 - compatible: value should be "ti,tilcdc,panel".
5 - panel-info: configuration info to configure 5 - panel-info: configuration info to configure LCDC correctly for the panel
6 - ac-bias: AC Bias Pin Frequency 6 - ac-bias: AC Bias Pin Frequency
7 - ac-bias-intrpt: AC Bias Pin Transitions p 7 - ac-bias-intrpt: AC Bias Pin Transitions per Interrupt
8 - dma-burst-sz: DMA burst size 8 - dma-burst-sz: DMA burst size
9 - bpp: Bits per pixel 9 - bpp: Bits per pixel
10 - fdd: FIFO DMA Request Delay 10 - fdd: FIFO DMA Request Delay
11 - sync-edge: Horizontal and Vertical Sync E 11 - sync-edge: Horizontal and Vertical Sync Edge: 0=rising 1=falling
12 - sync-ctrl: Horizontal and Vertical Sync: 12 - sync-ctrl: Horizontal and Vertical Sync: Control: 0=ignore
13 - raster-order: Raster Data Order Select: 1 13 - raster-order: Raster Data Order Select: 1=Most-to-least 0=Least-to-most
14 - fifo-th: DMA FIFO threshold 14 - fifo-th: DMA FIFO threshold
15 - display-timings: typical videomode of lcd p 15 - display-timings: typical videomode of lcd panel. Multiple video modes
16 can be listed if the panel supports multipl 16 can be listed if the panel supports multiple timings, but the 'native-mode'
17 should be the preferred/default resolution. 17 should be the preferred/default resolution. Refer to
18 Documentation/devicetree/bindings/display/p 18 Documentation/devicetree/bindings/display/panel/display-timing.txt for display
19 timing binding details. 19 timing binding details.
20 20
21 Optional properties: 21 Optional properties:
22 - backlight: phandle of the backlight device a 22 - backlight: phandle of the backlight device attached to the panel
23 - enable-gpios: GPIO pin to enable or disable 23 - enable-gpios: GPIO pin to enable or disable the panel
24 24
25 Recommended properties: 25 Recommended properties:
26 - pinctrl-names, pinctrl-0: the pincontrol se 26 - pinctrl-names, pinctrl-0: the pincontrol settings to configure
27 muxing properly for pins that connect to TF 27 muxing properly for pins that connect to TFP410 device
28 28
29 Example: 29 Example:
30 30
31 /* Settings for CDTech_S035Q01 / LCD3 31 /* Settings for CDTech_S035Q01 / LCD3 cape: */
32 lcd3 { 32 lcd3 {
33 compatible = "ti,tilcdc,panel" 33 compatible = "ti,tilcdc,panel";
34 pinctrl-names = "default"; 34 pinctrl-names = "default";
35 pinctrl-0 = <&bone_lcd3_cape_l 35 pinctrl-0 = <&bone_lcd3_cape_lcd_pins>;
36 backlight = <&backlight>; 36 backlight = <&backlight>;
37 enable-gpios = <&gpio3 19 0>; 37 enable-gpios = <&gpio3 19 0>;
38 38
39 panel-info { 39 panel-info {
40 ac-bias = <2 40 ac-bias = <255>;
41 ac-bias-intrpt = <0 41 ac-bias-intrpt = <0>;
42 dma-burst-sz = <1 42 dma-burst-sz = <16>;
43 bpp = <1 43 bpp = <16>;
44 fdd = <0 44 fdd = <0x80>;
45 sync-edge = <0 45 sync-edge = <0>;
46 sync-ctrl = <1 46 sync-ctrl = <1>;
47 raster-order = <0 47 raster-order = <0>;
48 fifo-th = <0 48 fifo-th = <0>;
49 }; 49 };
50 display-timings { 50 display-timings {
51 native-mode = <&timing 51 native-mode = <&timing0>;
52 timing0: 320x240 { 52 timing0: 320x240 {
53 hactive 53 hactive = <320>;
54 vactive 54 vactive = <240>;
55 hback-porch 55 hback-porch = <21>;
56 hfront-porch 56 hfront-porch = <58>;
57 hsync-len 57 hsync-len = <47>;
58 vback-porch 58 vback-porch = <11>;
59 vfront-porch 59 vfront-porch = <23>;
60 vsync-len 60 vsync-len = <2>;
61 clock-frequenc 61 clock-frequency = <8000000>;
62 hsync-active 62 hsync-active = <0>;
63 vsync-active 63 vsync-active = <0>;
64 }; 64 };
65 }; 65 };
66 }; 66 };
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