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 #include "stih41x-b2020x.dtsi"
  10 #include <dt-bindings/gpio/gpio.h>
  11 / {
  12         memory{
  13                 device_type = "memory";
  14                 reg = <0x40000000 0x80000000>;
  15         };
  16
  17         chosen {
  18                 bootargs = "console=ttyAS0,115200 clk_ignore_unused";
  19                 linux,stdout-path = &sbc_serial1;
  20         };
  21
  22         aliases {
  23                 ttyAS0 = &sbc_serial1;
  24                 ethernet1 = &ethernet1;
  25         };
  26         soc {
  27                 sbc_serial1: serial@fe531000 {
  28                         status = "okay";
  29                 };
  30
  31                 leds {
  32                         compatible      = "gpio-leds";
  33                         red {
  34                                 label   = "Front Panel LED";
  35                                 gpios   = <&pio4 1 GPIO_ACTIVE_HIGH>;
  36                                 linux,default-trigger   = "heartbeat";
  37                         };
  38                         green {
  39                                 gpios   = <&pio4 7 GPIO_ACTIVE_HIGH>;
  40                                 default-state = "off";
  41                         };
  42                 };
  43
  44                 i2c@fed40000 {
  45                         status = "okay";
  46                 };
  47
  48                 /* HDMI Tx I2C */
  49                 i2c@fed41000 {
  50                         /* HDMI V1.3a supports Standard mode only */
  51                         clock-frequency = <100000>;
  52                         i2c-min-scl-pulse-width-us = <0>;
  53                         i2c-min-sda-pulse-width-us = <5>;
  54
  55                         status = "okay";
  56                 };
  57
  58                 i2c@fe540000 {
  59                         status = "okay";
  60                 };
  61
  62                 i2c@fe541000 {
  63                         status = "okay";
  64                 };
  65
  66                 ethernet1: dwmac@fef08000 {
  67                         status                  = "okay";
  68                         phy-mode                = "rgmii-id";
  69                         max-speed               = <1000>;
  70                         st,tx-retime-src        = "clk_125";
  71                         snps,reset-gpio         = <&pio3 0>;
  72                         snps,reset-active-low;
  73                         snps,reset-delays-us    = <0 10000 10000>;
  74
  75                         pinctrl-0       = <&pinctrl_rgmii1>;
  76                 };
  77
  78                 mmc0: sdhci@fe81e000 {
  79                         bus-width = <8>;
  80                 };
  81         };
  82 };