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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
4783dc84 FV |
2 | /* |
3 | * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group | |
4783dc84 FV |
4 | */ |
5 | ||
6 | /* | |
7 | * 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43) | |
8 | */ | |
9 | ||
10 | &omap3_pmx_core { | |
11 | dss_dpi_pins: pinmux_dss_dpi_pins { | |
12 | pinctrl-single,pins = < | |
13 | OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */ | |
14 | OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */ | |
15 | OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */ | |
16 | OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */ | |
17 | OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */ | |
18 | OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */ | |
19 | OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */ | |
20 | OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */ | |
21 | OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */ | |
22 | OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */ | |
23 | OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */ | |
24 | OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */ | |
25 | OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */ | |
26 | OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */ | |
27 | OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */ | |
28 | OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */ | |
29 | OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */ | |
30 | OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */ | |
31 | OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */ | |
32 | OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */ | |
33 | OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */ | |
34 | OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */ | |
35 | OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */ | |
36 | OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */ | |
37 | OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */ | |
38 | OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */ | |
39 | OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */ | |
40 | OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */ | |
41 | >; | |
42 | }; | |
43 | ||
44 | lte430_pins: pinmux_lte430_pins { | |
45 | pinctrl-single,pins = < | |
46 | OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4) /* uart2_cts.gpio_144 */ | |
47 | >; | |
48 | }; | |
49 | ||
50 | backlight_pins: pinmux_backlight_pins { | |
51 | pinctrl-single,pins = < | |
52 | OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4) /* uart2_rts.gpio_145 */ | |
53 | >; | |
54 | }; | |
55 | ||
56 | mcspi1_pins: pinmux_mcspi1_pins { | |
57 | pinctrl-single,pins = < | |
58 | OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0) /* mcspi1_clk.mcspi1_clk */ | |
59 | OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0) /* mcspi1_simo.mcspi1_simo */ | |
60 | OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0) /* mcspi1_somi.mcspi1_somi */ | |
61 | OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0) /* mcspi1_cs0.mcspi1_cs0 */ | |
62 | >; | |
63 | }; | |
64 | ||
65 | ads7846_pins: pinmux_ads7846_pins { | |
66 | pinctrl-single,pins = < | |
67 | OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */ | |
68 | >; | |
69 | }; | |
70 | }; | |
71 | ||
72 | /* Needed to power the DPI pins */ | |
73 | &vpll2 { | |
74 | regulator-always-on; | |
75 | }; | |
76 | ||
77 | &dss { | |
78 | status = "ok"; | |
79 | ||
80 | pinctrl-names = "default"; | |
81 | pinctrl-0 = <&dss_dpi_pins>; | |
82 | ||
83 | port { | |
84 | dpi_out: endpoint { | |
85 | remote-endpoint = <&lcd_in>; | |
86 | data-lines = <24>; | |
87 | }; | |
88 | }; | |
89 | }; | |
90 | ||
91 | / { | |
92 | aliases { | |
93 | display0 = &lcd0; | |
94 | }; | |
95 | ||
b8d368ca | 96 | lcd0: display { |
4783dc84 | 97 | compatible = "samsung,lte430wq-f0c", "panel-dpi"; |
3c20b827 | 98 | label = "lcd43"; |
4783dc84 FV |
99 | |
100 | pinctrl-names = "default"; | |
101 | pinctrl-0 = <<e430_pins>; | |
102 | enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */ | |
103 | ||
104 | port { | |
105 | lcd_in: endpoint { | |
106 | remote-endpoint = <&dpi_out>; | |
107 | }; | |
108 | }; | |
109 | ||
110 | panel-timing { | |
111 | clock-frequency = <9200000>; | |
112 | hactive = <480>; | |
113 | vactive = <272>; | |
114 | hfront-porch = <8>; | |
115 | hback-porch = <4>; | |
116 | hsync-len = <41>; | |
117 | vback-porch = <2>; | |
118 | vfront-porch = <4>; | |
119 | vsync-len = <10>; | |
120 | ||
121 | hsync-active = <0>; | |
122 | vsync-active = <0>; | |
123 | de-active = <1>; | |
124 | pixelclk-active = <1>; | |
125 | }; | |
126 | }; | |
127 | ||
128 | ads7846reg: ads7846-reg { | |
129 | compatible = "regulator-fixed"; | |
130 | regulator-name = "ads7846-reg"; | |
131 | regulator-min-microvolt = <3300000>; | |
132 | regulator-max-microvolt = <3300000>; | |
133 | }; | |
134 | ||
135 | backlight { | |
136 | compatible = "gpio-backlight"; | |
137 | ||
138 | pinctrl-names = "default"; | |
139 | pinctrl-0 = <&backlight_pins>; | |
140 | gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */ | |
141 | ||
142 | default-on; | |
143 | }; | |
144 | }; | |
145 | ||
146 | &mcspi1 { | |
147 | pinctrl-names = "default"; | |
148 | pinctrl-0 = <&mcspi1_pins>; | |
149 | ||
150 | /* touch controller */ | |
151 | ads7846@0 { | |
152 | pinctrl-names = "default"; | |
153 | pinctrl-0 = <&ads7846_pins>; | |
154 | ||
155 | compatible = "ti,ads7846"; | |
156 | vcc-supply = <&ads7846reg>; | |
157 | ||
158 | reg = <0>; /* CS0 */ | |
159 | spi-max-frequency = <1500000>; | |
160 | ||
161 | interrupt-parent = <&gpio4>; | |
162 | interrupts = <18 0>; /* gpio_114 */ | |
3a637e00 | 163 | pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; |
4783dc84 FV |
164 | |
165 | ti,x-min = /bits/ 16 <0x0>; | |
166 | ti,x-max = /bits/ 16 <0x0fff>; | |
167 | ti,y-min = /bits/ 16 <0x0>; | |
168 | ti,y-max = /bits/ 16 <0x0fff>; | |
169 | ti,x-plate-ohms = /bits/ 16 <180>; | |
170 | ti,pressure-max = /bits/ 16 <255>; | |
171 | ||
0c4d63b3 | 172 | wakeup-source; |
4783dc84 FV |
173 | }; |
174 | }; | |
175 |