arch/arm/dts/r8a77970-eagle.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the Eagle board
   4  *
   5  * Copyright (C) 2016-2017 Renesas Electronics Corp.
   6  * Copyright (C) 2017 Cogent Embedded, Inc.
   7  */
   8
   9 /dts-v1/;
  10 #include "r8a77970.dtsi"
  11
  12 / {
  13         model = "Renesas Eagle board based on r8a77970";
  14         compatible = "renesas,eagle", "renesas,r8a77970";
  15
  16         aliases {
  17                 serial0 = &scif0;
  18                 ethernet0 = &avb;
  19         };
  20
  21         chosen {
  22                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  23                 stdout-path = "serial0:115200n8";
  24         };
  25
  26         memory@48000000 {
  27                 device_type = "memory";
  28                 /* first 128MB is reserved for secure area. */
  29                 reg = <0x0 0x48000000 0x0 0x38000000>;
  30         };
  31 };
  32
  33 &avb {
  34         renesas,no-ether-link;
  35         phy-handle = <&phy0>;
  36         phy-mode = "rgmii-id";
  37         status = "okay";
  38
  39         phy0: ethernet-phy@0 {
  40                 rxc-skew-ps = <1500>;
  41                 reg = <0>;
  42                 interrupt-parent = <&gpio1>;
  43                 interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
  44         };
  45 };
  46
  47 &extal_clk {
  48         clock-frequency = <16666666>;
  49 };
  50
  51 &extalr_clk {
  52         clock-frequency = <32768>;
  53 };
  54
  55 &i2c0 {
  56         pinctrl-0 = <&i2c0_pins>;
  57         pinctrl-names = "default";
  58
  59         status = "okay";
  60         clock-frequency = <400000>;
  61
  62         io_expander: gpio@20 {
  63                 compatible = "onnn,pca9654";
  64                 reg = <0x20>;
  65                 gpio-controller;
  66                 #gpio-cells = <2>;
  67         };
  68 };
  69
  70 &pfc {
  71         i2c0_pins: i2c0 {
  72                 groups = "i2c0";
  73                 function = "i2c0";
  74         };
  75
  76         scif0_pins: scif0 {
  77                 groups = "scif0_data";
  78                 function = "scif0";
  79         };
  80 };
  81
  82 &rwdt {
  83         timeout-sec = <60>;
  84         status = "okay";
  85 };
  86
  87 &scif0 {
  88         pinctrl-0 = <&scif0_pins>;
  89         pinctrl-names = "default";
  90
  91         status = "okay";
  92 };