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 { 100 compatible = "samsung,lte430wq-f0c", "panel-dpi"; 101 label = "lcd43"; 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 GPIO_ACTIVE_HIGH>; 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 wakeup-source; 176 }; 177}; 178 179
