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                 spi0 = &rpc;
  20         };
  21
  22         chosen {
  23                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  24                 stdout-path = "serial0:115200n8";
  25         };
  26
  27         memory@48000000 {
  28                 device_type = "memory";
  29                 /* first 128MB is reserved for secure area. */
  30                 reg = <0x0 0x48000000 0x0 0x38000000>;
  31         };
  32 };
  33
  34 &avb {
  35         renesas,no-ether-link;
  36         phy-handle = <&phy0>;
  37         phy-mode = "rgmii-id";
  38         status = "okay";
  39
  40         phy0: ethernet-phy@0 {
  41                 rxc-skew-ps = <1500>;
  42                 reg = <0>;
  43                 interrupt-parent = <&gpio1>;
  44                 interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
  45         };
  46 };
  47
  48 &extal_clk {
  49         clock-frequency = <16666666>;
  50 };
  51
  52 &extalr_clk {
  53         clock-frequency = <32768>;
  54 };
  55
  56 &i2c0 {
  57         pinctrl-0 = <&i2c0_pins>;
  58         pinctrl-names = "default";
  59
  60         status = "okay";
  61         clock-frequency = <400000>;
  62
  63         io_expander: gpio@20 {
  64                 compatible = "onnn,pca9654";
  65                 reg = <0x20>;
  66                 gpio-controller;
  67                 #gpio-cells = <2>;
  68         };
  69 };
  70
  71 &pfc {
  72         i2c0_pins: i2c0 {
  73                 groups = "i2c0";
  74                 function = "i2c0";
  75         };
  76
  77         scif0_pins: scif0 {
  78                 groups = "scif0_data";
  79                 function = "scif0";
  80         };
  81 };
  82
  83 &rpc {
  84         num-cs = <1>;
  85         status = "okay";
  86         spi-max-frequency = <50000000>;
  87         #address-cells = <1>;
  88         #size-cells = <0>;
  89
  90         flash0: spi-flash@0 {
  91                 #address-cells = <1>;
  92                 #size-cells = <1>;
  93                 compatible = "s25fs512s", "spi-flash", "jedec,spi-nor";
  94                 spi-max-frequency = <50000000>;
  95                 spi-tx-bus-width = <1>;
  96                 spi-rx-bus-width = <1>;
  97                 reg = <0>;
  98                 status = "okay";
  99         };
 100 };
 101
 102 &rwdt {
 103         timeout-sec = <60>;
 104         status = "okay";
 105 };
 106
 107 &scif0 {
 108         pinctrl-0 = <&scif0_pins>;
 109         pinctrl-names = "default";
 110
 111         status = "okay";
 112 };