Florian Vaussard | 4783dc8 | 2014-05-20 15:58:56 +0200 | [diff] [blame] | 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 | |
| 99 | lcd0: display@0 { |
| 100 | compatible = "samsung,lte430wq-f0c", "panel-dpi"; |
| 101 | label = "lcd"; |
| 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 */ |
| 166 | pendown-gpio = <&gpio4 18 0>; |
| 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 | |
| 175 | linux,wakeup; |
| 176 | }; |
| 177 | }; |
| 178 | |