arch/arm/boot/dts/omap3-overo-common-dvi.dtsi

   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