/* * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ /* * 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43) */ &omap3_pmx_core { dss_dpi_pins: pinmux_dss_dpi_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */ OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */ OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */ OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */ OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */ OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */ OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */ OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */ OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */ OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */ OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */ OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */ OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */ OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */ OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */ OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */ OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */ OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */ OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */ OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */ OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */ OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */ OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */ OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */ OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */ OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */ OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */ OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */ >; }; lte430_pins: pinmux_lte430_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4) /* uart2_cts.gpio_144 */ >; }; backlight_pins: pinmux_backlight_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4) /* uart2_rts.gpio_145 */ >; }; mcspi1_pins: pinmux_mcspi1_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0) /* mcspi1_clk.mcspi1_clk */ OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0) /* mcspi1_simo.mcspi1_simo */ OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0) /* mcspi1_somi.mcspi1_somi */ OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0) /* mcspi1_cs0.mcspi1_cs0 */ >; }; ads7846_pins: pinmux_ads7846_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */ >; }; }; /* Needed to power the DPI pins */ &vpll2 { regulator-always-on; }; &dss { status = "ok"; pinctrl-names = "default"; pinctrl-0 = <&dss_dpi_pins>; port { dpi_out: endpoint { remote-endpoint = <&lcd_in>; data-lines = <24>; }; }; }; / { aliases { display0 = &lcd0; }; lcd0: display { compatible = "samsung,lte430wq-f0c", "panel-dpi"; label = "lcd43"; pinctrl-names = "default"; pinctrl-0 = <<e430_pins>; enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */ port { lcd_in: endpoint { remote-endpoint = <&dpi_out>; }; }; panel-timing { clock-frequency = <9200000>; hactive = <480>; vactive = <272>; hfront-porch = <8>; hback-porch = <4>; hsync-len = <41>; vback-porch = <2>; vfront-porch = <4>; vsync-len = <10>; hsync-active = <0>; vsync-active = <0>; de-active = <1>; pixelclk-active = <1>; }; }; ads7846reg: ads7846-reg { compatible = "regulator-fixed"; regulator-name = "ads7846-reg"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; backlight { compatible = "gpio-backlight"; pinctrl-names = "default"; pinctrl-0 = <&backlight_pins>; gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */ default-on; }; }; &mcspi1 { pinctrl-names = "default"; pinctrl-0 = <&mcspi1_pins>; /* touch controller */ ads7846@0 { pinctrl-names = "default"; pinctrl-0 = <&ads7846_pins>; compatible = "ti,ads7846"; vcc-supply = <&ads7846reg>; reg = <0>; /* CS0 */ spi-max-frequency = <1500000>; interrupt-parent = <&gpio4>; interrupts = <18 0>; /* gpio_114 */ pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; ti,x-min = /bits/ 16 <0x0>; ti,x-max = /bits/ 16 <0x0fff>; ti,y-min = /bits/ 16 <0x0>; ti,y-max = /bits/ 16 <0x0fff>; ti,x-plate-ohms = /bits/ 16 <180>; ti,pressure-max = /bits/ 16 <255>; wakeup-source; }; };