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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: Florian Vaussard <florian.vaussard@epfl.ch> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Florian Vaussard
Tomi Valkeinen
parent
4783dc8470
commit
6f0c7a41c6
@ -11,6 +11,7 @@
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*/
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#include "omap3-overo-common-peripherals.dtsi"
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#include "omap3-overo-common-lcd35.dtsi"
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#include <dt-bindings/input/input.h>
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165
arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
Normal file
165
arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
Normal file
@ -0,0 +1,165 @@
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/*
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* Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43)
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*/
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&omap3_pmx_core {
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dss_dpi_pins: pinmux_dss_dpi_pins {
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pinctrl-single,pins = <
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OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */
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OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */
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OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */
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OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */
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OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */
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OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */
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OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */
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OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */
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OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */
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OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */
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OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */
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OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */
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OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */
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OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */
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OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */
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OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */
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OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */
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OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */
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OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */
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OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */
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OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */
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OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */
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OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */
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OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */
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OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */
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OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */
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OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */
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OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */
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>;
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};
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lb035_pins: pinmux_lb035_pins {
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pinctrl-single,pins = <
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OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4) /* uart2_cts.gpio_144 */
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>;
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};
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backlight_pins: pinmux_backlight_pins {
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pinctrl-single,pins = <
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OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4) /* uart2_rts.gpio_145 */
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>;
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};
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mcspi1_pins: pinmux_mcspi1_pins {
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pinctrl-single,pins = <
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OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0) /* mcspi1_clk.mcspi1_clk */
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OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0) /* mcspi1_simo.mcspi1_simo */
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OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0) /* mcspi1_somi.mcspi1_somi */
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OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0) /* mcspi1_cs0.mcspi1_cs0 */
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>;
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};
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ads7846_pins: pinmux_ads7846_pins {
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pinctrl-single,pins = <
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OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */
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>;
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};
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};
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/* Needed to power the DPI pins */
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&vpll2 {
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regulator-always-on;
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};
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&dss {
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status = "ok";
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pinctrl-names = "default";
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pinctrl-0 = <&dss_dpi_pins>;
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port {
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dpi_out: endpoint {
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remote-endpoint = <&lcd_in>;
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data-lines = <24>;
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};
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};
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};
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/ {
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aliases {
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display0 = &lcd0;
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};
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ads7846reg: ads7846-reg {
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compatible = "regulator-fixed";
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regulator-name = "ads7846-reg";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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backlight {
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compatible = "gpio-backlight";
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pinctrl-names = "default";
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pinctrl-0 = <&backlight_pins>;
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gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */
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default-on;
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};
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};
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&mcspi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&mcspi1_pins>;
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lcd0: display@0 {
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compatible = "lgphilips,lb035q02";
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label = "lcd";
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reg = <1>; /* CS1 */
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spi-max-frequency = <10000000>;
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spi-cpol;
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spi-cpha;
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pinctrl-names = "default";
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pinctrl-0 = <&lb035_pins>;
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enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */
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port {
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lcd_in: endpoint {
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remote-endpoint = <&dpi_out>;
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};
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};
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};
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/* touch controller */
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ads7846@0 {
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pinctrl-names = "default";
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pinctrl-0 = <&ads7846_pins>;
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compatible = "ti,ads7846";
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vcc-supply = <&ads7846reg>;
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reg = <0>; /* CS0 */
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spi-max-frequency = <1500000>;
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interrupt-parent = <&gpio4>;
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interrupts = <18 0>; /* gpio_114 */
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pendown-gpio = <&gpio4 18 0>;
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ti,x-min = /bits/ 16 <0x0>;
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ti,x-max = /bits/ 16 <0x0fff>;
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ti,y-min = /bits/ 16 <0x0>;
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ti,y-max = /bits/ 16 <0x0fff>;
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ti,x-plate-ohms = /bits/ 16 <180>;
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ti,pressure-max = /bits/ 16 <255>;
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linux,wakeup;
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};
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};
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