Quelle  am335x-sbc-t335.dts   Sprache: unbekannt

// SPDX-License-Identifier: GPL-2.0-only
/*
 * am335x-sbc-t335.dts - Device Tree file for Compulab SBC-T335
 *
 * Copyright (C) 2014 - 2015 CompuLab Ltd. - https://www.compulab.co.il/
 */

#include "am335x-cm-t335.dts"

/ {
 model = "CompuLab CM-T335 on SB-T335";
 compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";

 /* DRM display driver */
 panel {
  compatible = "ti,tilcdc,panel";
  status = "okay";
  pinctrl-names = "default", "sleep";
  pinctrl-0 = <&lcd_pins_default>;
  pinctrl-1 = <&lcd_pins_sleep>;

  panel-info {
   ac-bias           = <255>;
   ac-bias-intrpt    = <0>;
   dma-burst-sz      = <16>;
   bpp               = <32>;
   fdd               = <0x80>;
   sync-edge         = <0>;
   sync-ctrl         = <1>;
   raster-order      = <0>;
   fifo-th           = <0>;
  };
  display-timings {
   /* Timing selection performed by U-Boot */
   timing0: lcd {/* 800x480p62 */
    clock-frequency = <30000000>;
    hactive = <800>;
    vactive = <480>;
    hfront-porch = <39>;
    hback-porch = <39>;
    hsync-len = <47>;
    vback-porch = <29>;
    vfront-porch = <13>;
    vsync-len = <2>;
    hsync-active = <1>;
    vsync-active = <1>;
   };
   timing1: dvi { /* 1024x768p60 */
    clock-frequency = <65000000>;
    hactive = <1024>;
    hfront-porch = <24>;
    hback-porch = <160>;
    hsync-len = <136>;
    vactive = <768>;
    vfront-porch = <3>;
    vback-porch = <29>;
    vsync-len = <6>;
    hsync-active = <0>;
    vsync-active = <0>;
   };
  };
 };
};

&am33xx_pinmux {
 /* Display */
 lcd_pins_default: lcd-default-pins {
  pinctrl-single,pins = <
   /* gpmc_ad8.lcd_data23 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad9.lcd_data22 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad10.lcd_data21 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad11.lcd_data20 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad12.lcd_data19 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad13.lcd_data18 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad14.lcd_data17 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)
   /* gpmc_ad15.lcd_data16 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
   AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
  >;
 };

 lcd_pins_sleep: lcd-sleep-pins {
  pinctrl-single,pins = <
   /* gpmc_ad8.lcd_data23 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad9.lcd_data22 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad10.lcd_data21 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad11.lcd_data20 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad12.lcd_data19 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad13.lcd_data18 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad14.lcd_data17 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7)
   /* gpmc_ad15.lcd_data16 */
   AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLDOWN, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PULL_DISABLE, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
   AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
  >;
 };
};

&i2c0 {
 /* GPIO extender */
 gpio_ext: pca9555@26 {
  compatible = "nxp,pca9555";
  pinctrl-names = "default";
  gpio-controller;
  #gpio-cells = <2>;
  reg = <0x26>;
  dvi-ena-hog {
   gpio-hog;
   gpios = <13 GPIO_ACTIVE_HIGH>;
   output-high;
   line-name = "dvi-enable";
  };
  lcd-ena-hog {
   gpio-hog;
   gpios = <11 GPIO_ACTIVE_HIGH>;
   output-high;
   line-name = "lcd-enable";
  };
 };
};

/* Display */
&lcdc {
 status = "okay";
};