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  * This file is licensed under the terms of the GNU General Public License
   8  * version 2.  This program is licensed "as is" without any warranty of any
   9  * kind, whether express or implied.
  10  */
  11
  12 /dts-v1/;
  13 #include "r8a77970.dtsi"
  14
  15 / {
  16         model = "Renesas Eagle board based on r8a77970";
  17         compatible = "renesas,eagle", "renesas,r8a77970";
  18
  19         aliases {
  20                 serial0 = &scif0;
  21                 ethernet0 = &avb;
  22         };
  23
  24         chosen {
  25                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  26                 stdout-path = "serial0:115200n8";
  27         };
  28
  29         memory@48000000 {
  30                 device_type = "memory";
  31                 /* first 128MB is reserved for secure area. */
  32                 reg = <0x0 0x48000000 0x0 0x38000000>;
  33         };
  34 };
  35
  36 &extal_clk {
  37         clock-frequency = <16666666>;
  38 };
  39
  40 &extalr_clk {
  41         clock-frequency = <32768>;
  42 };
  43
  44 &pfc {
  45         pinctrl-0 = <&scif_clk_pins>;
  46         pinctrl-names = "default";
  47
  48         scif0_pins: scif0 {
  49                 groups = "scif0_data";
  50                 function = "scif0";
  51         };
  52
  53         scif_clk_pins: scif_clk {
  54                 groups = "scif_clk_b";
  55                 function = "scif_clk";
  56         };
  57
  58         avb_pins: avb {
  59                 groups = "avb0_mdc";
  60                 function = "avb0";
  61         };
  62 };
  63
  64 &scif0 {
  65         pinctrl-0 = <&scif0_pins>;
  66         pinctrl-names = "default";
  67
  68         status = "okay";
  69 };
  70
  71 &scif_clk {
  72         clock-frequency = <14745600>;
  73         status = "okay";
  74 };
  75
  76 &avb {
  77         pinctrl-0 = <&avb_pins>;
  78         pinctrl-names = "default";
  79         renesas,no-ether-link;
  80         phy-handle = <&phy0>;
  81         status = "okay";
  82
  83         phy0: ethernet-phy@0 {
  84                 rxc-skew-ps = <1500>;
  85                 reg = <0>;
  86         };
  87 };