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6f0c7a41 FV |
1 | /* |
2 | * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | /* | |
10 | * 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43) | |
11 | */ | |
12 | ||
13 | &omap3_pmx_core { | |
14 | dss_dpi_pins: pinmux_dss_dpi_pins { | |
15 | pinctrl-single,pins = < | |
16 | OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */ | |
17 | OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */ | |
18 | OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */ | |
19 | OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */ | |
20 | OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */ | |
21 | OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */ | |
22 | OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */ | |
23 | OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */ | |
24 | OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */ | |
25 | OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */ | |
26 | OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */ | |
27 | OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */ | |
28 | OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */ | |
29 | OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */ | |
30 | OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */ | |
31 | OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */ | |
32 | OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */ | |
33 | OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */ | |
34 | OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */ | |
35 | OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */ | |
36 | OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */ | |
37 | OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */ | |
38 | OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */ | |
39 | OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */ | |
40 | OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */ | |
41 | OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */ | |
42 | OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */ | |
43 | OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */ | |
44 | >; | |
45 | }; | |
46 | ||
47 | lb035_pins: pinmux_lb035_pins { | |
48 | pinctrl-single,pins = < | |
49 | OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4) /* uart2_cts.gpio_144 */ | |
50 | >; | |
51 | }; | |
52 | ||
53 | backlight_pins: pinmux_backlight_pins { | |
54 | pinctrl-single,pins = < | |
55 | OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4) /* uart2_rts.gpio_145 */ | |
56 | >; | |
57 | }; | |
58 | ||
59 | mcspi1_pins: pinmux_mcspi1_pins { | |
60 | pinctrl-single,pins = < | |
61 | OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0) /* mcspi1_clk.mcspi1_clk */ | |
62 | OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0) /* mcspi1_simo.mcspi1_simo */ | |
63 | OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0) /* mcspi1_somi.mcspi1_somi */ | |
64 | OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0) /* mcspi1_cs0.mcspi1_cs0 */ | |
3353b693 | 65 | OMAP3_CORE1_IOPAD(0x21d0, PIN_INPUT | MUX_MODE0) /* mcspi1_cs1.mcspi1_cs1 */ |
6f0c7a41 FV |
66 | >; |
67 | }; | |
68 | ||
69 | ads7846_pins: pinmux_ads7846_pins { | |
70 | pinctrl-single,pins = < | |
71 | OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */ | |
72 | >; | |
73 | }; | |
74 | }; | |
75 | ||
76 | /* Needed to power the DPI pins */ | |
77 | &vpll2 { | |
78 | regulator-always-on; | |
79 | }; | |
80 | ||
81 | &dss { | |
82 | status = "ok"; | |
83 | ||
84 | pinctrl-names = "default"; | |
85 | pinctrl-0 = <&dss_dpi_pins>; | |
86 | ||
87 | port { | |
88 | dpi_out: endpoint { | |
89 | remote-endpoint = <&lcd_in>; | |
90 | data-lines = <24>; | |
91 | }; | |
92 | }; | |
93 | }; | |
94 | ||
95 | / { | |
96 | aliases { | |
97 | display0 = &lcd0; | |
98 | }; | |
99 | ||
100 | ads7846reg: ads7846-reg { | |
101 | compatible = "regulator-fixed"; | |
102 | regulator-name = "ads7846-reg"; | |
103 | regulator-min-microvolt = <3300000>; | |
104 | regulator-max-microvolt = <3300000>; | |
105 | }; | |
106 | ||
107 | backlight { | |
108 | compatible = "gpio-backlight"; | |
109 | ||
110 | pinctrl-names = "default"; | |
111 | pinctrl-0 = <&backlight_pins>; | |
112 | gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */ | |
113 | ||
114 | default-on; | |
115 | }; | |
116 | }; | |
117 | ||
118 | &mcspi1 { | |
119 | pinctrl-names = "default"; | |
120 | pinctrl-0 = <&mcspi1_pins>; | |
121 | ||
122 | lcd0: display@0 { | |
123 | compatible = "lgphilips,lb035q02"; | |
3c20b827 | 124 | label = "lcd35"; |
6f0c7a41 FV |
125 | |
126 | reg = <1>; /* CS1 */ | |
3353b693 | 127 | spi-max-frequency = <500000>; |
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128 | spi-cpol; |
129 | spi-cpha; | |
130 | ||
131 | pinctrl-names = "default"; | |
132 | pinctrl-0 = <&lb035_pins>; | |
133 | enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */ | |
134 | ||
135 | port { | |
136 | lcd_in: endpoint { | |
137 | remote-endpoint = <&dpi_out>; | |
138 | }; | |
139 | }; | |
140 | }; | |
141 | ||
142 | /* touch controller */ | |
143 | ads7846@0 { | |
144 | pinctrl-names = "default"; | |
145 | pinctrl-0 = <&ads7846_pins>; | |
146 | ||
147 | compatible = "ti,ads7846"; | |
148 | vcc-supply = <&ads7846reg>; | |
149 | ||
150 | reg = <0>; /* CS0 */ | |
151 | spi-max-frequency = <1500000>; | |
152 | ||
153 | interrupt-parent = <&gpio4>; | |
154 | interrupts = <18 0>; /* gpio_114 */ | |
3a637e00 | 155 | pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; |
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156 | |
157 | ti,x-min = /bits/ 16 <0x0>; | |
158 | ti,x-max = /bits/ 16 <0x0fff>; | |
159 | ti,y-min = /bits/ 16 <0x0>; | |
160 | ti,y-max = /bits/ 16 <0x0fff>; | |
161 | ti,x-plate-ohms = /bits/ 16 <180>; | |
162 | ti,pressure-max = /bits/ 16 <255>; | |
163 | ||
0c4d63b3 | 164 | wakeup-source; |
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165 | }; |
166 | }; |