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4783dc84 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 | lte430_pins: pinmux_lte430_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 */ | |
65 | >; | |
66 | }; | |
67 | ||
68 | ads7846_pins: pinmux_ads7846_pins { | |
69 | pinctrl-single,pins = < | |
70 | OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */ | |
71 | >; | |
72 | }; | |
73 | }; | |
74 | ||
75 | /* Needed to power the DPI pins */ | |
76 | &vpll2 { | |
77 | regulator-always-on; | |
78 | }; | |
79 | ||
80 | &dss { | |
81 | status = "ok"; | |
82 | ||
83 | pinctrl-names = "default"; | |
84 | pinctrl-0 = <&dss_dpi_pins>; | |
85 | ||
86 | port { | |
87 | dpi_out: endpoint { | |
88 | remote-endpoint = <&lcd_in>; | |
89 | data-lines = <24>; | |
90 | }; | |
91 | }; | |
92 | }; | |
93 | ||
94 | / { | |
95 | aliases { | |
96 | display0 = &lcd0; | |
97 | }; | |
98 | ||
b8d368ca | 99 | lcd0: display { |
4783dc84 | 100 | compatible = "samsung,lte430wq-f0c", "panel-dpi"; |
3c20b827 | 101 | label = "lcd43"; |
4783dc84 FV |
102 | |
103 | pinctrl-names = "default"; | |
104 | pinctrl-0 = <<e430_pins>; | |
105 | enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */ | |
106 | ||
107 | port { | |
108 | lcd_in: endpoint { | |
109 | remote-endpoint = <&dpi_out>; | |
110 | }; | |
111 | }; | |
112 | ||
113 | panel-timing { | |
114 | clock-frequency = <9200000>; | |
115 | hactive = <480>; | |
116 | vactive = <272>; | |
117 | hfront-porch = <8>; | |
118 | hback-porch = <4>; | |
119 | hsync-len = <41>; | |
120 | vback-porch = <2>; | |
121 | vfront-porch = <4>; | |
122 | vsync-len = <10>; | |
123 | ||
124 | hsync-active = <0>; | |
125 | vsync-active = <0>; | |
126 | de-active = <1>; | |
127 | pixelclk-active = <1>; | |
128 | }; | |
129 | }; | |
130 | ||
131 | ads7846reg: ads7846-reg { | |
132 | compatible = "regulator-fixed"; | |
133 | regulator-name = "ads7846-reg"; | |
134 | regulator-min-microvolt = <3300000>; | |
135 | regulator-max-microvolt = <3300000>; | |
136 | }; | |
137 | ||
138 | backlight { | |
139 | compatible = "gpio-backlight"; | |
140 | ||
141 | pinctrl-names = "default"; | |
142 | pinctrl-0 = <&backlight_pins>; | |
143 | gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */ | |
144 | ||
145 | default-on; | |
146 | }; | |
147 | }; | |
148 | ||
149 | &mcspi1 { | |
150 | pinctrl-names = "default"; | |
151 | pinctrl-0 = <&mcspi1_pins>; | |
152 | ||
153 | /* touch controller */ | |
154 | ads7846@0 { | |
155 | pinctrl-names = "default"; | |
156 | pinctrl-0 = <&ads7846_pins>; | |
157 | ||
158 | compatible = "ti,ads7846"; | |
159 | vcc-supply = <&ads7846reg>; | |
160 | ||
161 | reg = <0>; /* CS0 */ | |
162 | spi-max-frequency = <1500000>; | |
163 | ||
164 | interrupt-parent = <&gpio4>; | |
165 | interrupts = <18 0>; /* gpio_114 */ | |
3a637e00 | 166 | pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; |
4783dc84 FV |
167 | |
168 | ti,x-min = /bits/ 16 <0x0>; | |
169 | ti,x-max = /bits/ 16 <0x0fff>; | |
170 | ti,y-min = /bits/ 16 <0x0>; | |
171 | ti,y-max = /bits/ 16 <0x0fff>; | |
172 | ti,x-plate-ohms = /bits/ 16 <180>; | |
173 | ti,pressure-max = /bits/ 16 <255>; | |
174 | ||
0c4d63b3 | 175 | wakeup-source; |
4783dc84 FV |
176 | }; |
177 | }; | |
178 |