1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group 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 lb035_pins: pinmux_lb035_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 OMAP3_CORE1_IOPAD(0x21d0, PIN_INPUT | MUX_MODE0) /* mcspi1_cs1.mcspi1_cs1 */ 63 >; 64 }; 65 66 ads7846_pins: pinmux_ads7846_pins { 67 pinctrl-single,pins = < 68 OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */ 69 >; 70 }; 71}; 72 73/* Needed to power the DPI pins */ 74&vpll2 { 75 regulator-always-on; 76}; 77 78&dss { 79 status = "okay"; 80 81 pinctrl-names = "default"; 82 pinctrl-0 = <&dss_dpi_pins>; 83 84 port { 85 dpi_out: endpoint { 86 remote-endpoint = <&lcd_in>; 87 data-lines = <24>; 88 }; 89 }; 90}; 91 92/ { 93 aliases { 94 display0 = &lcd0; 95 }; 96 97 ads7846reg: ads7846-reg { 98 compatible = "regulator-fixed"; 99 regulator-name = "ads7846-reg"; 100 regulator-min-microvolt = <3300000>; 101 regulator-max-microvolt = <3300000>; 102 }; 103 104 backlight { 105 compatible = "gpio-backlight"; 106 107 pinctrl-names = "default"; 108 pinctrl-0 = <&backlight_pins>; 109 gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */ 110 111 default-on; 112 }; 113}; 114 115&mcspi1 { 116 pinctrl-names = "default"; 117 pinctrl-0 = <&mcspi1_pins>; 118 119 lcd0: display@1 { 120 compatible = "lgphilips,lb035q02"; 121 label = "lcd35"; 122 123 reg = <1>; /* CS1 */ 124 spi-max-frequency = <500000>; 125 spi-cpol; 126 spi-cpha; 127 128 pinctrl-names = "default"; 129 pinctrl-0 = <&lb035_pins>; 130 enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */ 131 132 port { 133 lcd_in: endpoint { 134 remote-endpoint = <&dpi_out>; 135 }; 136 }; 137 }; 138 139 /* touch controller */ 140 ads7846@0 { 141 pinctrl-names = "default"; 142 pinctrl-0 = <&ads7846_pins>; 143 144 compatible = "ti,ads7846"; 145 vcc-supply = <&ads7846reg>; 146 147 reg = <0>; /* CS0 */ 148 spi-max-frequency = <1500000>; 149 150 interrupt-parent = <&gpio4>; 151 interrupts = <18 0>; /* gpio_114 */ 152 pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; 153 154 ti,x-min = /bits/ 16 <0x0>; 155 ti,x-max = /bits/ 16 <0x0fff>; 156 ti,y-min = /bits/ 16 <0x0>; 157 ti,y-max = /bits/ 16 <0x0fff>; 158 ti,x-plate-ohms = /bits/ 16 <180>; 159 ti,pressure-max = /bits/ 16 <255>; 160 161 wakeup-source; 162 }; 163}; 164