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Commit 6f0c7a41 authored by Florian Vaussard's avatar Florian Vaussard Committed by Tomi Valkeinen
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ARM: dts: overo: Add support for 3.5'' LCD output 



Alto35 expansion board has a ZIF connector for a 3.5'' LCD.
Add a common include file for this configuration, and use it
on Alto35.

Signed-off-by: default avatarFlorian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
parent 4783dc84

arch/arm/boot/dts/omap3-overo-alto35-common.dtsi

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 */

 */





#include "omap3-overo-common-peripherals.dtsi"

#include "omap3-overo-common-peripherals.dtsi"

#include "omap3-overo-common-lcd35.dtsi"





#include <dt-bindings/input/input.h>

#include <dt-bindings/input/input.h>

arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi

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/*

 * 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 */

		>;

	};



	lb035_pins: pinmux_lb035_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;

	};



	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>;



	lcd0: display@0 {

		compatible = "lgphilips,lb035q02";

		label = "lcd";



		reg = <1>;					/* CS1 */

		spi-max-frequency = <10000000>;

		spi-cpol;

		spi-cpha;



		pinctrl-names = "default";

		pinctrl-0 = <&lb035_pins>;

		enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>;	/* gpio_144 */



		port {

			lcd_in: endpoint {

				remote-endpoint = <&dpi_out>;

			};

		};

	};



	/* 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 0>;



		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>;



		linux,wakeup;

	};

};