arch/arm/dts/r8a77970-eagle.dts

   1 /*
   2  * Device Tree Source for the Eagle board
   3  *
   4  * Copyright (C) 2016-2017 Renesas Electronics Corp.
   5  * Copyright (C) 2017 Cogent Embedded, Inc.
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0
   8  */
   9
  10 /dts-v1/;
  11 #include "r8a77970.dtsi"
  12
  13 / {
  14         model = "Renesas Eagle board based on r8a77970";
  15         compatible = "renesas,eagle", "renesas,r8a77970";
  16
  17         aliases {
  18                 serial0 = &scif0;
  19                 ethernet0 = &avb;
  20                 spi0 = &rpc;
  21         };
  22
  23         chosen {
  24                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  25                 stdout-path = "serial0:115200n8";
  26         };
  27
  28         memory@48000000 {
  29                 device_type = "memory";
  30                 /* first 128MB is reserved for secure area. */
  31                 reg = <0x0 0x48000000 0x0 0x38000000>;
  32         };
  33 };
  34
  35 &extal_clk {
  36         clock-frequency = <16666666>;
  37 };
  38
  39 &extalr_clk {
  40         clock-frequency = <32768>;
  41 };
  42
  43 &pfc {
  44         pinctrl-0 = <&scif_clk_pins>;
  45         pinctrl-names = "default";
  46
  47         scif0_pins: scif0 {
  48                 groups = "scif0_data";
  49                 function = "scif0";
  50         };
  51
  52         scif_clk_pins: scif_clk {
  53                 groups = "scif_clk_b";
  54                 function = "scif_clk";
  55         };
  56
  57         avb_pins: avb {
  58                 groups = "avb0_mdc";
  59                 function = "avb0";
  60         };
  61 };
  62
  63 &rpc {
  64         num-cs = <1>;
  65         status = "okay";
  66         spi-max-frequency = <50000000>;
  67         #address-cells = <1>;
  68         #size-cells = <0>;
  69
  70         flash0: spi-flash@0 {
  71                 #address-cells = <1>;
  72                 #size-cells = <1>;
  73                 compatible = "s25fs512s", "spi-flash", "jedec,spi-nor";
  74                 spi-max-frequency = <50000000>;
  75                 spi-tx-bus-width = <1>;
  76                 spi-rx-bus-width = <1>;
  77                 reg = <0>;
  78                 status = "okay";
  79         };
  80 };
  81
  82 &scif0 {
  83         pinctrl-0 = <&scif0_pins>;
  84         pinctrl-names = "default";
  85
  86         status = "okay";
  87 };
  88
  89 &scif_clk {
  90         clock-frequency = <14745600>;
  91         status = "okay";
  92 };
  93
  94 &avb {
  95         pinctrl-0 = <&avb_pins>;
  96         pinctrl-names = "default";
  97         renesas,no-ether-link;
  98         phy-handle = <&phy0>;
  99         status = "okay";
 100
 101         phy0: ethernet-phy@0 {
 102                 rxc-skew-ps = <1500>;
 103                 reg = <0>;
 104         };
 105 };