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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 */
+ >;
+ };
+
+ 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 at 0 {
+ compatible = "samsung,lte430wq-f0c", "panel-dpi";
+ label = "lcd";
+
+ 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 at 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;
+ };
+};
+