arch/mips/boot/dts/img/pistachio_marduk.dts

   1 /*
   2  * Copyright (C) 2015, 2016 Imagination Technologies Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * IMG Marduk board is also known as Creator Ci40.
   9  */
  10
  11 /dts-v1/;
  12
  13 #include "pistachio.dtsi"
  14
  15 / {
  16         model = "IMG Marduk (Creator Ci40)";
  17         compatible = "img,pistachio-marduk", "img,pistachio";
  18
  19         aliases {
  20                 serial0 = &uart0;
  21                 serial1 = &uart1;
  22                 ethernet0 = &enet;
  23                 spi0 = &spfi0;
  24                 spi1 = &spfi1;
  25         };
  26
  27         chosen {
  28                 bootargs = "root=/dev/sda1 rootwait ro lpj=723968";
  29                 stdout-path = "serial1:115200";
  30         };
  31
  32         memory {
  33                 device_type = "memory";
  34                 reg =  <0x00000000 0x10000000>;
  35         };
  36
  37         reg_1v8: fixed-regulator {
  38                 compatible = "regulator-fixed";
  39                 regulator-name = "aux_adc_vref";
  40                 regulator-min-microvolt = <1800000>;
  41                 regulator-max-microvolt = <1800000>;
  42                 regulator-boot-on;
  43         };
  44
  45         internal_dac_supply: internal-dac-supply {
  46                 compatible = "regulator-fixed";
  47                 regulator-name = "internal_dac_supply";
  48                 regulator-min-microvolt = <1800000>;
  49                 regulator-max-microvolt = <1800000>;
  50         };
  51
  52         leds {
  53                 compatible = "pwm-leds";
  54                 heartbeat {
  55                         label = "marduk:red:heartbeat";
  56                         pwms = <&pwm 3 300000>;
  57                         max-brightness = <255>;
  58                         linux,default-trigger = "heartbeat";
  59                 };
  60         };
  61
  62         keys {
  63                 compatible = "gpio-keys";
  64                 button@1 {
  65                         label = "Button 1";
  66                         linux,code = <0x101>; /* BTN_1 */
  67                         gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
  68                 };
  69                 button@2 {
  70                         label = "Button 2";
  71                         linux,code = <0x102>; /* BTN_2 */
  72                         gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
  73                 };
  74         };
  75 };
  76
  77 &internal_dac {
  78         VDD-supply = <&internal_dac_supply>;
  79 };
  80
  81 &spfi1 {
  82         status = "okay";
  83
  84         pinctrl-0 = <&spim1_pins>, <&spim1_quad_pins>, <&spim1_cs0_pin>,
  85                     <&spim1_cs1_pin>;
  86         pinctrl-names = "default";
  87         cs-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>, <&gpio0 1 GPIO_ACTIVE_HIGH>;
  88
  89         flash@0 {
  90                 compatible = "spansion,s25fl016k", "jedec,spi-nor";
  91                 reg = <0>;
  92                 spi-max-frequency = <50000000>;
  93         };
  94 };
  95
  96 &uart0 {
  97         status = "okay";
  98         assigned-clock-rates = <114278400>, <1843200>;
  99 };
 100
 101 &uart1 {
 102         status = "okay";
 103 };
 104
 105 &usb {
 106         status = "okay";
 107 };
 108
 109 &enet {
 110         status = "okay";
 111 };
 112
 113 &pin_enet {
 114         drive-strength = <2>;
 115 };
 116
 117 &pin_enet_phy_clk {
 118         drive-strength = <2>;
 119 };
 120
 121 &sdhost {
 122         status = "okay";
 123         bus-width = <4>;
 124         disable-wp;
 125 };
 126
 127 &pin_sdhost_cmd {
 128         drive-strength = <2>;
 129 };
 130
 131 &pin_sdhost_data {
 132         drive-strength = <2>;
 133 };
 134
 135 &pwm {
 136         status = "okay";
 137
 138         pinctrl-0 = <&pwmpdm0_pin>, <&pwmpdm1_pin>, <&pwmpdm2_pin>,
 139                     <&pwmpdm3_pin>;
 140         pinctrl-names = "default";
 141 };
 142
 143 &adc {
 144         status = "okay";
 145         vref-supply = <&reg_1v8>;
 146         adc-reserved-channels = <0x10>;
 147 };
 148
 149 &i2c2 {
 150         status = "okay";
 151         clock-frequency = <400000>;
 152
 153         tpm@20 {
 154                 compatible = "infineon,slb9645tt";
 155                 reg = <0x20>;
 156         };
 157
 158 };
 159
 160 &i2c3 {
 161         status = "okay";
 162         clock-frequency = <400000>;
 163 };