1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
4 */
5
6/*
7 * DVI output for some Gumstix Overo boards (Tobi and Summit)
8 */
9
10&omap3_pmx_core {
11	dss_dpi_pins: dss-dpi-pins {
12		pinctrl-single,pins = <
13			OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)	/* dss_pclk.dss_pclk */
14			OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)	/* dss_hsync.dss_hsync */
15			OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)	/* dss_vsync.dss_vsync */
16			OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)	/* dss_acbias.dss_acbias */
17			OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0)	/* dss_data0.dss_data0 */
18			OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)	/* dss_data1.dss_data1 */
19			OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)	/* dss_data2.dss_data2 */
20			OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)	/* dss_data3.dss_data3 */
21			OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)	/* dss_data4.dss_data4 */
22			OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)	/* dss_data5.dss_data5 */
23			OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)	/* dss_data6.dss_data6 */
24			OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)	/* dss_data7.dss_data7 */
25			OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)	/* dss_data8.dss_data8 */
26			OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)	/* dss_data9.dss_data9 */
27			OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)	/* dss_data10.dss_data10 */
28			OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)	/* dss_data11.dss_data11 */
29			OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)	/* dss_data12.dss_data12 */
30			OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)	/* dss_data13.dss_data13 */
31			OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)	/* dss_data14.dss_data14 */
32			OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)	/* dss_data15.dss_data15 */
33			OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)	/* dss_data16.dss_data16 */
34			OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)	/* dss_data17.dss_data17 */
35			OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0)	/* dss_data18.dss_data18 */
36			OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)	/* dss_data19.dss_data19 */
37			OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)	/* dss_data20.dss_data20 */
38			OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)	/* dss_data21.dss_data21 */
39			OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)	/* dss_data22.dss_data22 */
40			OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)	/* dss_data23.dss_data23 */
41		>;
42	};
43};
44
45/* Needed to power the DPI pins */
46&vpll2 {
47	regulator-always-on;
48};
49
50&dss {
51	status = "okay";
52
53	pinctrl-names = "default";
54	pinctrl-0 = <&dss_dpi_pins>;
55
56	port {
57		dpi_out: endpoint {
58			remote-endpoint = <&tfp410_in>;
59			data-lines = <24>;
60		};
61	};
62};
63
64/ {
65	aliases {
66		display0 = &dvi0;
67	};
68
69	tfp410: encoder {
70		compatible = "ti,tfp410";
71
72		ports {
73			#address-cells = <1>;
74			#size-cells = <0>;
75
76			port@0 {
77				reg = <0>;
78
79				tfp410_in: endpoint {
80					remote-endpoint = <&dpi_out>;
81				};
82			};
83
84			port@1 {
85				reg = <1>;
86
87				tfp410_out: endpoint {
88					remote-endpoint = <&dvi_connector_in>;
89				};
90			};
91		};
92	};
93
94	dvi0: connector {
95		compatible = "dvi-connector";
96		label = "dvi";
97
98		digital;
99		ddc-i2c-bus = <&i2c3>;
100
101		port {
102			dvi_connector_in: endpoint {
103				remote-endpoint = <&tfp410_out>;
104			};
105		};
106	};
107};
108
109