1/*
  2 * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
  3 *
  4 * This program is free software; you can redistribute it and/or modify
  5 * it under the terms of the GNU General Public License version 2 as
  6 * published by the Free Software Foundation.
  7 */
  8
  9/*
 10 * DVI output for some Gumstix Overo boards (Tobi and Summit)
 11 */
 12
 13&omap3_pmx_core {
 14	dss_dpi_pins: pinmux_dss_dpi_pins {
 15		pinctrl-single,pins = <
 16			OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)	/* dss_pclk.dss_pclk */
 17			OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)	/* dss_hsync.dss_hsync */
 18			OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)	/* dss_vsync.dss_vsync */
 19			OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)	/* dss_acbias.dss_acbias */
 20			OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0)	/* dss_data0.dss_data0 */
 21			OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)	/* dss_data1.dss_data1 */
 22			OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)	/* dss_data2.dss_data2 */
 23			OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)	/* dss_data3.dss_data3 */
 24			OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)	/* dss_data4.dss_data4 */
 25			OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)	/* dss_data5.dss_data5 */
 26			OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)	/* dss_data6.dss_data6 */
 27			OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)	/* dss_data7.dss_data7 */
 28			OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)	/* dss_data8.dss_data8 */
 29			OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)	/* dss_data9.dss_data9 */
 30			OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)	/* dss_data10.dss_data10 */
 31			OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)	/* dss_data11.dss_data11 */
 32			OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)	/* dss_data12.dss_data12 */
 33			OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)	/* dss_data13.dss_data13 */
 34			OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)	/* dss_data14.dss_data14 */
 35			OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)	/* dss_data15.dss_data15 */
 36			OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)	/* dss_data16.dss_data16 */
 37			OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)	/* dss_data17.dss_data17 */
 38			OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0)	/* dss_data18.dss_data18 */
 39			OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)	/* dss_data19.dss_data19 */
 40			OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)	/* dss_data20.dss_data20 */
 41			OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)	/* dss_data21.dss_data21 */
 42			OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)	/* dss_data22.dss_data22 */
 43			OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)	/* dss_data23.dss_data23 */
 44		>;
 45	};
 46};
 47
 48/* Needed to power the DPI pins */
 49&vpll2 {
 50	regulator-always-on;
 51};
 52
 53&dss {
 54	status = "ok";
 55
 56	pinctrl-names = "default";
 57	pinctrl-0 = <&dss_dpi_pins>;
 58
 59	port {
 60		dpi_out: endpoint {
 61			remote-endpoint = <&tfp410_in>;
 62			data-lines = <24>;
 63		};
 64	};
 65};
 66
 67/ {
 68	aliases {
 69		display0 = &dvi0;
 70	};
 71
 72	tfp410: encoder {
 73		compatible = "ti,tfp410";
 74
 75		ports {
 76			#address-cells = <1>;
 77			#size-cells = <0>;
 78
 79			port@0 {
 80				reg = <0>;
 81
 82				tfp410_in: endpoint {
 83					remote-endpoint = <&dpi_out>;
 84				};
 85			};
 86
 87			port@1 {
 88				reg = <1>;
 89
 90				tfp410_out: endpoint {
 91					remote-endpoint = <&dvi_connector_in>;
 92				};
 93			};
 94		};
 95	};
 96
 97	dvi0: connector {
 98		compatible = "dvi-connector";
 99		label = "dvi";
100
101		digital;
102		ddc-i2c-bus = <&i2c3>;
103
104		port {
105			dvi_connector_in: endpoint {
106				remote-endpoint = <&tfp410_out>;
107			};
108		};
109	};
110};
111