// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
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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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lte430_pins: pinmux_lte430_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 = "okay";
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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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lcd0: display {
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compatible = "samsung,lte430wq-f0c", "panel-dpi";
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label = "lcd43";
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pinctrl-names = "default";
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pinctrl-0 = <<e430_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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panel-timing {
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clock-frequency = <9200000>;
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hactive = <480>;
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vactive = <272>;
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hfront-porch = <8>;
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hback-porch = <4>;
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hsync-len = <41>;
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vback-porch = <2>;
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vfront-porch = <4>;
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vsync-len = <10>;
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hsync-active = <0>;
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vsync-active = <0>;
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de-active = <1>;
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pixelclk-active = <1>;
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};
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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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/* 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 GPIO_ACTIVE_LOW>;
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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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wakeup-source;
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};
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};
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