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BB-OPTOCAPE1-00A0.dts
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BB-OPTOCAPE1-00A0.dts
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/*
* OPTOCAPE BeagleBone Black Cape
* XGA LCD Panel
* 400 ohm 4-wire resistive touch
* kernel version 4.x
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/board/am335x-bbw-bbb-base.h>
#include <dt-bindings/pinctrl/am33xx.h>
#include <dt-bindings/gpio/gpio.h>
/ {
compatible = "ti,beaglebone", "ti,beaglebone-black", "ti,beaglebone-green";
// identification
part-number = "BB-OPTOCAPE1";
version = "00A0";
// resources this cape uses
exclusive-use =
"P8.45", /* lcd: lcd_data0 */
"P8.46", /* lcd: lcd_data1 */
"P8.43", /* lcd: lcd_data2 */
"P8.44", /* lcd: lcd_data3 */
"P8.41", /* lcd: lcd_data4 */
"P8.42", /* lcd: lcd_data5 */
"P8.39", /* lcd: lcd_data6 */
"P8.40", /* lcd: lcd_data7 */
"P8.37", /* lcd: lcd_data8 */
"P8.38", /* lcd: lcd_data9 */
"P8.36", /* lcd: lcd_data10 */
"P8.34", /* lcd: lcd_data11 */
"P8.35", /* lcd: lcd_data12 */
"P8.33", /* lcd: lcd_data13 */
"P8.31", /* lcd: lcd_data14 */
"P8.32", /* lcd: lcd_data15 */
"P8.27", /* lcd: lcd_vsync */
"P8.29", /* lcd: lcd_hsync */
"P8.28", /* lcd: lcd_pclk */
"P8.30", /* lcd: lcd_ac_bias_en */
"lcdc",
"tscadc";
fragment@0 {
target = <&am33xx_pinmux>;
__overlay__ {
bb_lcd_lcd_pins: pinmux_bb_lcd_lcd_pins {
pinctrl-single,pins = <
BONE_P8_45 (PIN_OUTPUT | MUX_MODE0) /* lcd_data0.lcd_data0 */
BONE_P8_46 (PIN_OUTPUT | MUX_MODE0) /* lcd_data1.lcd_data1 */
BONE_P8_43 (PIN_OUTPUT | MUX_MODE0) /* lcd_data2.lcd_data2 */
BONE_P8_44 (PIN_OUTPUT | MUX_MODE0) /* lcd_data3.lcd_data3 */
BONE_P8_41 (PIN_OUTPUT | MUX_MODE0) /* lcd_data4.lcd_data4 */
BONE_P8_42 (PIN_OUTPUT | MUX_MODE0) /* lcd_data5.lcd_data5 */
BONE_P8_39 (PIN_OUTPUT | MUX_MODE0) /* lcd_data6.lcd_data6 */
BONE_P8_40 (PIN_OUTPUT | MUX_MODE0) /* lcd_data7.lcd_data7 */
BONE_P8_37 (PIN_OUTPUT | MUX_MODE0) /* lcd_data8.lcd_data8 */
BONE_P8_38 (PIN_OUTPUT | MUX_MODE0) /* lcd_data9.lcd_data9 */
BONE_P8_36 (PIN_OUTPUT | MUX_MODE0) /* lcd_data10.lcd_data10 */
BONE_P8_34 (PIN_OUTPUT | MUX_MODE0) /* lcd_data11.lcd_data11 */
BONE_P8_35 (PIN_OUTPUT | MUX_MODE0) /* lcd_data12.lcd_data12 */
BONE_P8_33 (PIN_OUTPUT | MUX_MODE0) /* lcd_data13.lcd_data13 */
BONE_P8_31 (PIN_OUTPUT | MUX_MODE0) /* lcd_data14.lcd_data14 */
BONE_P8_32 (PIN_OUTPUT | MUX_MODE0) /* lcd_data15.lcd_data15 */
BONE_P8_27 (PIN_OUTPUT | MUX_MODE0) /* lcd_vsync.lcd_vsync */
BONE_P8_29 (PIN_OUTPUT | MUX_MODE0) /* lcd_hsync.lcd_hsync */
BONE_P8_28 (PIN_OUTPUT | MUX_MODE0) /* lcd_pclk.lcd_pclk */
BONE_P8_30 (PIN_OUTPUT | MUX_MODE0) /* lcd_ac_bias_en.lcd_ac_bias_en */
>;
};
};
};
fragment@1 {
target = <&lcdc>;
__overlay__ {
status = "okay";
};
};
fragment@2 {
target = <&tscadc>;
__overlay__ {
status = "okay";
tsc {
ti,wires = <4>;
ti,x-plate-resistance = <400>;
ti,coordinate-readouts = <5>;
ti,wire-config = <0x00 0x11 0x22 0x33>;
ti,charge-delay = <0xfffff>;
};
adc {
ti,adc-channels = <4 5 6 7>;
ti,chan-step-opendelay = <0xf98 0x3ffff 0xf98 0xff>;
ti,chan-step-sampledelay = <0xff 0xff 0xff 0xff>;
ti,chan-step-avg = <16>;
};
};
};
fragment@3 {
target-path="/";
__overlay__ {
/* avoid stupid warning */
#address-cells = <1>;
#size-cells = <1>;
panel {
status = "okay";
compatible = "ti,tilcdc,panel";
pinctrl-names = "default";
pinctrl-0 = <&bb_lcd_lcd_pins>;
panel-info {
ac-bias = <255>;
ac-bias-intrpt = <0>;
dma-burst-sz = <16>;
bpp = <16>;
fdd = <0x80>;
sync-edge = <0>;
sync-ctrl = <1>;
raster-order = <0>;
fifo-th = <0>;
};
display-timings {
native-mode = <&timing0>;
/* LVDS LQ0DZA0106 */
timing0: 1024x768 {
clock-frequency = <63500000>;
hactive = <1024>;
vactive = <768>;
hfront-porch = <48>;
hback-porch = <160>;
hsync-len = <136>;
vback-porch = <30>;
vfront-porch = <3>;
vsync-len = <3>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active= <0>;
};
};
};
};
};
};