arch/x86/dts/edison.dts

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2017 Intel Corporation
   4  */
   5
   6 /dts-v1/;
   7
   8 #include <dt-bindings/gpio/x86-gpio.h>
   9 #include <dt-bindings/interrupt-router/intel-irq.h>
  10
  11 /include/ "skeleton.dtsi"
  12 /include/ "rtc.dtsi"
  13 /include/ "tsc_timer.dtsi"
  14
  15 / {
  16         model = "Intel Edison";
  17         compatible = "intel,edison";
  18
  19         aliases {
  20                 serial0 = &serial0;
  21                 serial1 = &serial1;
  22                 serial2 = &serial2;
  23         };
  24
  25         chosen {
  26                 stdout-path = &serial2;
  27         };
  28
  29         cpus {
  30                 #address-cells = <1>;
  31                 #size-cells = <0>;
  32
  33                 cpu@0 {
  34                         device_type = "cpu";
  35                         compatible = "cpu-x86";
  36                         reg = <0>;
  37                         intel,apic-id = <0>;
  38                 };
  39
  40                 cpu@1 {
  41                         device_type = "cpu";
  42                         compatible = "cpu-x86";
  43                         reg = <1>;
  44                         intel,apic-id = <2>;
  45                 };
  46         };
  47
  48         pci {
  49                 compatible = "pci-x86";
  50                 #address-cells = <3>;
  51                 #size-cells = <2>;
  52                 u-boot,dm-pre-reloc;
  53                 ranges = <0x02000000 0x0 0x80000000 0x80000000 0 0x40000000
  54                           0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
  55                           0x01000000 0x0 0x2000 0x2000 0 0xe000>;
  56         };
  57
  58         serial0: serial@ff010080 {
  59                 compatible = "intel,mid-uart";
  60                 reg = <0xff010080 0x100>;
  61                 reg-shift = <0>;
  62                 clock-frequency = <29491200>;
  63                 current-speed = <115200>;
  64         };
  65
  66         serial1: serial@ff010100 {
  67                 compatible = "intel,mid-uart";
  68                 reg = <0xff010100 0x100>;
  69                 reg-shift = <0>;
  70                 clock-frequency = <29491200>;
  71                 current-speed = <115200>;
  72         };
  73
  74         serial2: serial@ff010180 {
  75                 compatible = "intel,mid-uart";
  76                 reg = <0xff010180 0x100>;
  77                 reg-shift = <0>;
  78                 clock-frequency = <29491200>;
  79                 current-speed = <115200>;
  80         };
  81
  82         emmc: mmc@ff3fc000 {
  83                 compatible = "intel,sdhci-tangier";
  84                 reg = <0xff3fc000 0x1000>;
  85         };
  86
  87 /*
  88  * FIXME: For now U-Boot DM model doesn't allow to power up this controller.
  89  * Enabling it will make U-Boot hang.
  90  *
  91         sdcard: mmc@ff3fa000 {
  92                 compatible = "intel,sdhci-tangier";
  93                 reg = <0xff3fa000 0x1000>;
  94         };
  95  */
  96
  97         pmu: power@ff00b000 {
  98                 compatible = "intel,pmu-mid";
  99                 reg = <0xff00b000 0x1000>;
 100         };
 101
 102         scu: ipc@ff009000 {
 103                 compatible = "intel,scu-ipc";
 104                 reg = <0xff009000 0x1000>;
 105         };
 106
 107         reset {
 108                 compatible = "intel,reset-tangier";
 109                 u-boot,dm-pre-reloc;
 110         };
 111
 112         pinctrl {
 113                 compatible = "intel,pinctrl-tangier";
 114                 reg = <0xff0c0000 0x8000>;
 115
 116                 /*
 117                  * Initial configuration came from the firmware.
 118                  * Which quite likely has been used in the phones, where I2C #8,
 119                  * that is not part of Atom peripheral, is in use.
 120                  * Thus we need to override the leftover.
 121                  */
 122                 i2c6_scl@0 {
 123                         pad-offset = <111>;
 124                         mode-func = <1>;
 125                         protected;
 126                 };
 127                 i2c6_sda@0 {
 128                         pad-offset = <112>;
 129                         mode-func = <1>;
 130                         protected;
 131                 };
 132         };
 133 };