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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * am335x-sbc-t335.dts - Device Tree file for Compulab SBC-T335
   4  *
   5  * Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
   6  */
   7
   8 #include "am335x-cm-t335.dts"
   9
  10 / {
  11         model = "CompuLab CM-T335 on SB-T335";
  12         compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";
  13
  14         /* DRM display driver */
  15         panel {
  16                 compatible = "ti,tilcdc,panel";
  17                 status = "okay";
  18                 pinctrl-names = "default", "sleep";
  19                 pinctrl-0 = <&lcd_pins_default>;
  20                 pinctrl-1 = <&lcd_pins_sleep>;
  21
  22                 panel-info {
  23                         ac-bias           = <255>;
  24                         ac-bias-intrpt    = <0>;
  25                         dma-burst-sz      = <16>;
  26                         bpp               = <32>;
  27                         fdd               = <0x80>;
  28                         sync-edge         = <0>;
  29                         sync-ctrl         = <1>;
  30                         raster-order      = <0>;
  31                         fifo-th           = <0>;
  32                 };
  33                 display-timings {
  34                         /* Timing selection performed by U-Boot */
  35                         timing0: lcd {/* 800x480p62 */
  36                                 clock-frequency = <30000000>;
  37                                 hactive = <800>;
  38                                 vactive = <480>;
  39                                 hfront-porch = <39>;
  40                                 hback-porch = <39>;
  41                                 hsync-len = <47>;
  42                                 vback-porch = <29>;
  43                                 vfront-porch = <13>;
  44                                 vsync-len = <2>;
  45                                 hsync-active = <1>;
  46                                 vsync-active = <1>;
  47                         };
  48                         timing1: dvi { /* 1024x768p60 */
  49                                 clock-frequency = <65000000>;
  50                                 hactive = <1024>;
  51                                 hfront-porch = <24>;
  52                                 hback-porch = <160>;
  53                                 hsync-len = <136>;
  54                                 vactive = <768>;
  55                                 vfront-porch = <3>;
  56                                 vback-porch = <29>;
  57                                 vsync-len = <6>;
  58                                 hsync-active = <0>;
  59                                 vsync-active = <0>;
  60                         };
  61                 };
  62         };
  63 };
  64
  65 &am33xx_pinmux {
  66         /* Display */
  67         lcd_pins_default: lcd_pins_default {
  68                 pinctrl-single,pins = <
  69                         /* gpmc_ad8.lcd_data23 */
  70                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)
  71                         /* gpmc_ad9.lcd_data22 */
  72                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)
  73                         /* gpmc_ad10.lcd_data21 */
  74                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)
  75                         /* gpmc_ad11.lcd_data20 */
  76                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)
  77                         /* gpmc_ad12.lcd_data19 */
  78                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)
  79                         /* gpmc_ad13.lcd_data18 */
  80                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)
  81                         /* gpmc_ad14.lcd_data17 */
  82                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)
  83                         /* gpmc_ad15.lcd_data16 */
  84                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)
  85                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
  86                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
  87                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
  88                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
  89                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
  90                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
  91                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
  92                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
  93                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
  94                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
  95                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
  96                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
  97                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
  98                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
  99                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
 100                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
 101                         AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
 102                         AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
 103                         AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
 104                         AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
 105                 >;
 106         };
 107
 108         lcd_pins_sleep: lcd_pins_sleep {
 109                 pinctrl-single,pins = <
 110                         /* gpmc_ad8.lcd_data23 */
 111                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT_PULLDOWN, MUX_MODE7)
 112                         /* gpmc_ad9.lcd_data22 */
 113                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLDOWN, MUX_MODE7)
 114                         /* gpmc_ad10.lcd_data21 */
 115                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLDOWN, MUX_MODE7)
 116                         /* gpmc_ad11.lcd_data20 */
 117                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLDOWN, MUX_MODE7)
 118                         /* gpmc_ad12.lcd_data19 */
 119                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLDOWN, MUX_MODE7)
 120                         /* gpmc_ad13.lcd_data18 */
 121                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLDOWN, MUX_MODE7)
 122                         /* gpmc_ad14.lcd_data17 */
 123                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7)
 124                         /* gpmc_ad15.lcd_data16 */
 125                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLDOWN, MUX_MODE7)
 126                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PULL_DISABLE, MUX_MODE7)
 127                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PULL_DISABLE, MUX_MODE7)
 128                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PULL_DISABLE, MUX_MODE7)
 129                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PULL_DISABLE, MUX_MODE7)
 130                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PULL_DISABLE, MUX_MODE7)
 131                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PULL_DISABLE, MUX_MODE7)
 132                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PULL_DISABLE, MUX_MODE7)
 133                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PULL_DISABLE, MUX_MODE7)
 134                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PULL_DISABLE, MUX_MODE7)
 135                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PULL_DISABLE, MUX_MODE7)
 136                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PULL_DISABLE, MUX_MODE7)
 137                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PULL_DISABLE, MUX_MODE7)
 138                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PULL_DISABLE, MUX_MODE7)
 139                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PULL_DISABLE, MUX_MODE7)
 140                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PULL_DISABLE, MUX_MODE7)
 141                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PULL_DISABLE, MUX_MODE7)
 142                         AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
 143                         AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
 144                         AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
 145                         AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
 146                 >;
 147         };
 148 };
 149
 150 &i2c0 {
 151         /* GPIO extender */
 152         gpio_ext: pca9555@26 {
 153                 compatible = "nxp,pca9555";
 154                 pinctrl-names = "default";
 155                 gpio-controller;
 156                 #gpio-cells = <2>;
 157                 reg = <0x26>;
 158                 dvi-ena-hog {
 159                         gpio-hog;
 160                         gpios = <13 GPIO_ACTIVE_HIGH>;
 161                         output-high;
 162                         line-name = "dvi-enable";
 163                 };
 164                 lcd-ena-hog {
 165                         gpio-hog;
 166                         gpios = <11 GPIO_ACTIVE_HIGH>;
 167                         output-high;
 168                         line-name = "lcd-enable";
 169                 };
 170         };
 171 };
 172
 173 /* Display */
 174 &lcdc {
 175         status = "okay";
 176 };