arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0 or MIT)
   2 /*
   3  * Device Tree Source for the Spider CPU board
   4  *
   5  * Copyright (C) 2021 Renesas Electronics Corp.
   6  */
   7
   8 #include "r8a779f0.dtsi"
   9
  10 / {
  11         model = "Renesas Spider CPU board";
  12         compatible = "renesas,spider-cpu", "renesas,r8a779f0";
  13
  14         memory@48000000 {
  15                 device_type = "memory";
  16                 /* first 128MB is reserved for secure area. */
  17                 reg = <0x0 0x48000000 0x0 0x78000000>;
  18         };
  19
  20         memory@480000000 {
  21                 device_type = "memory";
  22                 reg = <0x4 0x80000000 0x0 0x80000000>;
  23         };
  24 };
  25
  26 &extal_clk {
  27         clock-frequency = <20000000>;
  28 };
  29
  30 &extalr_clk {
  31         clock-frequency = <32768>;
  32 };
  33
  34 &i2c4 {
  35         pinctrl-0 = <&i2c4_pins>;
  36         pinctrl-names = "default";
  37
  38         status = "okay";
  39         clock-frequency = <400000>;
  40
  41         eeprom@50 {
  42                 compatible = "rohm,br24g01", "atmel,24c01";
  43                 label = "cpu-board";
  44                 reg = <0x50>;
  45                 pagesize = <8>;
  46         };
  47 };
  48
  49 &pfc {
  50         pinctrl-0 = <&scif_clk_pins>;
  51         pinctrl-names = "default";
  52
  53         i2c4_pins: i2c4 {
  54                 groups = "i2c4";
  55                 function = "i2c4";
  56         };
  57
  58         scif0_pins: scif0 {
  59                 groups = "scif0_data", "scif0_ctrl";
  60                 function = "scif0";
  61         };
  62
  63         scif3_pins: scif3 {
  64                 groups = "scif3_data", "scif3_ctrl";
  65                 function = "scif3";
  66         };
  67
  68         scif_clk_pins: scif_clk {
  69                 groups = "scif_clk";
  70                 function = "scif_clk";
  71         };
  72 };
  73
  74 &rwdt {
  75         timeout-sec = <60>;
  76         status = "okay";
  77 };
  78
  79 &scif0 {
  80         pinctrl-0 = <&scif0_pins>;
  81         pinctrl-names = "default";
  82
  83         uart-has-rtscts;
  84         status = "okay";
  85 };
  86
  87 &scif3 {
  88         pinctrl-0 = <&scif3_pins>;
  89         pinctrl-names = "default";
  90
  91         uart-has-rtscts;
  92         status = "okay";
  93 };
  94
  95 &scif_clk {
  96         clock-frequency = <24000000>;
  97 };