arch/arm/boot/dts/am335x-sbc-t335.dts

   1 /*
   2  * am335x-sbc-t335.dts - Device Tree file for Compulab SBC-T335
   3  *
   4  * Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include "am335x-cm-t335.dts"
  12
  13 / {
  14         model = "CompuLab CM-T335 on SB-T335";
  15         compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";
  16
  17         /* DRM display driver */
  18         panel {
  19                 compatible = "ti,tilcdc,panel";
  20                 status = "okay";
  21                 pinctrl-names = "default", "sleep";
  22                 pinctrl-0 = <&lcd_pins_default>;
  23                 pinctrl-1 = <&lcd_pins_sleep>;
  24
  25                 panel-info {
  26                         ac-bias           = <255>;
  27                         ac-bias-intrpt    = <0>;
  28                         dma-burst-sz      = <16>;
  29                         bpp               = <32>;
  30                         fdd               = <0x80>;
  31                         sync-edge         = <0>;
  32                         sync-ctrl         = <1>;
  33                         raster-order      = <0>;
  34                         fifo-th           = <0>;
  35                 };
  36                 display-timings {
  37                         /* Timing selection performed by U-Boot */
  38                         timing0: lcd {/* 800x480p62 */
  39                                 clock-frequency = <30000000>;
  40                                 hactive = <800>;
  41                                 vactive = <480>;
  42                                 hfront-porch = <39>;
  43                                 hback-porch = <39>;
  44                                 hsync-len = <47>;
  45                                 vback-porch = <29>;
  46                                 vfront-porch = <13>;
  47                                 vsync-len = <2>;
  48                                 hsync-active = <1>;
  49                                 vsync-active = <1>;
  50                         };
  51                         timing1: dvi { /* 1024x768p60 */
  52                                 clock-frequency = <65000000>;
  53                                 hactive = <1024>;
  54                                 hfront-porch = <24>;
  55                                 hback-porch = <160>;
  56                                 hsync-len = <136>;
  57                                 vactive = <768>;
  58                                 vfront-porch = <3>;
  59                                 vback-porch = <29>;
  60                                 vsync-len = <6>;
  61                                 hsync-active = <0>;
  62                                 vsync-active = <0>;
  63                         };
  64                 };
  65         };
  66 };
  67
  68 &am33xx_pinmux {
  69         /* Display */
  70         lcd_pins_default: lcd_pins_default {
  71                 pinctrl-single,pins = <
  72                         /* gpmc_ad8.lcd_data23 */
  73                         AM33XX_IOPAD(0x820, PIN_OUTPUT | MUX_MODE1)
  74                         /* gpmc_ad9.lcd_data22 */
  75                         AM33XX_IOPAD(0x824, PIN_OUTPUT | MUX_MODE1)
  76                         /* gpmc_ad10.lcd_data21 */
  77                         AM33XX_IOPAD(0x828, PIN_OUTPUT | MUX_MODE1)
  78                         /* gpmc_ad11.lcd_data20 */
  79                         AM33XX_IOPAD(0x82c, PIN_OUTPUT | MUX_MODE1)
  80                         /* gpmc_ad12.lcd_data19 */
  81                         AM33XX_IOPAD(0x830, PIN_OUTPUT | MUX_MODE1)
  82                         /* gpmc_ad13.lcd_data18 */
  83                         AM33XX_IOPAD(0x834, PIN_OUTPUT | MUX_MODE1)
  84                         /* gpmc_ad14.lcd_data17 */
  85                         AM33XX_IOPAD(0x838, PIN_OUTPUT | MUX_MODE1)
  86                         /* gpmc_ad15.lcd_data16 */
  87                         AM33XX_IOPAD(0x83c, PIN_OUTPUT | MUX_MODE1)
  88                         /* lcd_data0.lcd_data0 */
  89                         AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)
  90                         /* lcd_data1.lcd_data1 */
  91                         AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)
  92                         /* lcd_data2.lcd_data2 */
  93                         AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)
  94                         /* lcd_data3.lcd_data3 */
  95                         AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)
  96                         /* lcd_data4.lcd_data4 */
  97                         AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)
  98                         /* lcd_data5.lcd_data5 */
  99                         AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)
 100                         /* lcd_data6.lcd_data6 */
 101                         AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)
 102                         /* lcd_data7.lcd_data7 */
 103                         AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)
 104                         /* lcd_data8.lcd_data8 */
 105                         AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)
 106                         /* lcd_data9.lcd_data9 */
 107                         AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)
 108                         /* lcd_data10.lcd_data10 */
 109                         AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)
 110                         /* lcd_data11.lcd_data11 */
 111                         AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)
 112                         /* lcd_data12.lcd_data12 */
 113                         AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)
 114                         /* lcd_data13.lcd_data13 */
 115                         AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)
 116                         /* lcd_data14.lcd_data14 */
 117                         AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)
 118                         /* lcd_data15.lcd_data15 */
 119                         AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)
 120                         /* lcd_vsync.lcd_vsync */
 121                         AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE0)
 122                         /* lcd_hsync.lcd_hsync */
 123                         AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE0)
 124                         /* lcd_pclk.lcd_pclk */
 125                         AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE0)
 126                         /* lcd_ac_bias_en.lcd_ac_bias_en */
 127                         AM33XX_IOPAD(0x8ec, PIN_OUTPUT | MUX_MODE0)
 128                 >;
 129         };
 130
 131         lcd_pins_sleep: lcd_pins_sleep {
 132                 pinctrl-single,pins = <
 133                         /* gpmc_ad8.lcd_data23 */
 134                         AM33XX_IOPAD(0x820, PIN_INPUT_PULLDOWN | MUX_MODE7)
 135                         /* gpmc_ad9.lcd_data22 */
 136                         AM33XX_IOPAD(0x824, PIN_INPUT_PULLDOWN | MUX_MODE7)
 137                         /* gpmc_ad10.lcd_data21 */
 138                         AM33XX_IOPAD(0x828, PIN_INPUT_PULLDOWN | MUX_MODE7)
 139                         /* gpmc_ad11.lcd_data20 */
 140                         AM33XX_IOPAD(0x82c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 141                         /* gpmc_ad12.lcd_data19 */
 142                         AM33XX_IOPAD(0x830, PIN_INPUT_PULLDOWN | MUX_MODE7)
 143                         /* gpmc_ad13.lcd_data18 */
 144                         AM33XX_IOPAD(0x834, PIN_INPUT_PULLDOWN | MUX_MODE7)
 145                         /* gpmc_ad14.lcd_data17 */
 146                         AM33XX_IOPAD(0x838, PIN_INPUT_PULLDOWN | MUX_MODE7)
 147                         /* gpmc_ad15.lcd_data16 */
 148                         AM33XX_IOPAD(0x83c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 149                         /* lcd_data0.lcd_data0 */
 150                         AM33XX_IOPAD(0x8a0, PULL_DISABLE | MUX_MODE7)
 151                         /* lcd_data1.lcd_data1 */
 152                         AM33XX_IOPAD(0x8a4, PULL_DISABLE | MUX_MODE7)
 153                         /* lcd_data2.lcd_data2 */
 154                         AM33XX_IOPAD(0x8a8, PULL_DISABLE | MUX_MODE7)
 155                         /* lcd_data3.lcd_data3 */
 156                         AM33XX_IOPAD(0x8ac, PULL_DISABLE | MUX_MODE7)
 157                         /* lcd_data4.lcd_data4 */
 158                         AM33XX_IOPAD(0x8b0, PULL_DISABLE | MUX_MODE7)
 159                         /* lcd_data5.lcd_data5 */
 160                         AM33XX_IOPAD(0x8b4, PULL_DISABLE | MUX_MODE7)
 161                         /* lcd_data6.lcd_data6 */
 162                         AM33XX_IOPAD(0x8b8, PULL_DISABLE | MUX_MODE7)
 163                         /* lcd_data7.lcd_data7 */
 164                         AM33XX_IOPAD(0x8bc, PULL_DISABLE | MUX_MODE7)
 165                         /* lcd_data8.lcd_data8 */
 166                         AM33XX_IOPAD(0x8c0, PULL_DISABLE | MUX_MODE7)
 167                         /* lcd_data9.lcd_data9 */
 168                         AM33XX_IOPAD(0x8c4, PULL_DISABLE | MUX_MODE7)
 169                         /* lcd_data10.lcd_data10 */
 170                         AM33XX_IOPAD(0x8c8, PULL_DISABLE | MUX_MODE7)
 171                         /* lcd_data11.lcd_data11 */
 172                         AM33XX_IOPAD(0x8cc, PULL_DISABLE | MUX_MODE7)
 173                         /* lcd_data12.lcd_data12 */
 174                         AM33XX_IOPAD(0x8d0, PULL_DISABLE | MUX_MODE7)
 175                         /* lcd_data13.lcd_data13 */
 176                         AM33XX_IOPAD(0x8d4, PULL_DISABLE | MUX_MODE7)
 177                         /* lcd_data14.lcd_data14 */
 178                         AM33XX_IOPAD(0x8d8, PULL_DISABLE | MUX_MODE7)
 179                         /* lcd_data15.lcd_data15 */
 180                         AM33XX_IOPAD(0x8dc, PULL_DISABLE | MUX_MODE7)
 181                         /* lcd_vsync.lcd_vsync */
 182                         AM33XX_IOPAD(0x8e0, PIN_INPUT_PULLDOWN | MUX_MODE7)
 183                         /* lcd_hsync.lcd_hsync */
 184                         AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | MUX_MODE7)
 185                         /* lcd_pclk.lcd_pclk */
 186                         AM33XX_IOPAD(0x8e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
 187                         /* lcd_ac_bias_en.lcd_ac_bias_en */
 188                         AM33XX_IOPAD(0x8ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
 189                 >;
 190         };
 191 };
 192
 193 &i2c0 {
 194         /* GPIO extender */
 195         gpio_ext: pca9555@26 {
 196                 compatible = "nxp,pca9555";
 197                 pinctrl-names = "default";
 198                 gpio-controller;
 199                 #gpio-cells = <2>;
 200                 reg = <0x26>;
 201                 dvi_ena {
 202                         gpio-hog;
 203                         gpios = <13 GPIO_ACTIVE_HIGH>;
 204                         output-high;
 205                         line-name = "dvi-enable";
 206                 };
 207                 lcd_ena {
 208                         gpio-hog;
 209                         gpios = <11 GPIO_ACTIVE_HIGH>;
 210                         output-high;
 211                         line-name = "lcd-enable";
 212                 };
 213         };
 214 };
 215
 216 /* Display */
 217 &lcdc {
 218         status = "okay";
 219 };