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 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 = "okay"; 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 96 lcd0: display { 97 compatible = "samsung,lte430wq-f0c", "panel-dpi"; 98 label = "lcd43"; 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 */ 163 pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; 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>; 171 172 wakeup-source; 173 }; 174}; 175 176