arch/arm/boot/dts/stih41x-b2020.dtsi

   1 /*
   2  * Copyright (C) 2013 STMicroelectronics (R&D) Limited.
   3  * Author: Srinivas Kandagatla <srinivas.kandagatla@st.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * publishhed by the Free Software Foundation.
   8  */
   9 / {
  10         memory{
  11                 device_type = "memory";
  12                 reg = <0x40000000 0x80000000>;
  13         };
  14
  15         chosen {
  16                 bootargs = "console=ttyAS0,115200";
  17                 linux,stdout-path = &sbc_serial1;
  18         };
  19
  20         aliases {
  21                 ttyAS0 = &sbc_serial1;
  22         };
  23         soc {
  24                 sbc_serial1: serial@fe531000 {
  25                         status = "okay";
  26                 };
  27
  28                 leds {
  29                         compatible      = "gpio-leds";
  30                         red {
  31                                 #gpio-cells = <1>;
  32                                 label   = "Front Panel LED";
  33                                 gpios   = <&PIO4 1>;
  34                                 linux,default-trigger   = "heartbeat";
  35                         };
  36                         green {
  37                                 gpios   = <&PIO4 7>;
  38                                 default-state = "off";
  39                         };
  40                 };
  41
  42                 i2c@fed40000 {
  43                         status = "okay";
  44                 };
  45
  46                 /* HDMI Tx I2C */
  47                 i2c@fed41000 {
  48                         /* HDMI V1.3a supports Standard mode only */
  49                         clock-frequency = <100000>;
  50                         i2c-min-scl-pulse-width-us = <0>;
  51                         i2c-min-sda-pulse-width-us = <5>;
  52
  53                         status = "okay";
  54                 };
  55
  56                 i2c@fe540000 {
  57                         status = "okay";
  58                 };
  59
  60                 i2c@fe541000 {
  61                         status = "okay";
  62                 };
  63         };
  64 };