GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / boot / dts / omap3-overo-common-lcd35.dtsi
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 */
65                         OMAP3_CORE1_IOPAD(0x21d0, PIN_INPUT | MUX_MODE0)        /* mcspi1_cs1.mcspi1_cs1 */
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@1 {
123                 compatible = "lgphilips,lb035q02";
124                 label = "lcd35";
125
126                 reg = <1>;                                      /* CS1 */
127                 spi-max-frequency = <500000>;
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 */
155                 pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>;
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
164                 wakeup-source;
165         };
166 };