arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the Falcon CPU board
   4  *
   5  * Copyright (C) 2020 Renesas Electronics Corp.
   6  */
   7
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include "r8a779a0.dtsi"
  10
  11 / {
  12         model = "Renesas Falcon CPU board";
  13         compatible = "renesas,falcon-cpu", "renesas,r8a779a0";
  14
  15         aliases {
  16                 serial0 = &scif0;
  17         };
  18
  19         chosen {
  20                 stdout-path = "serial0:115200n8";
  21         };
  22
  23         memory@48000000 {
  24                 device_type = "memory";
  25                 /* first 128MB is reserved for secure area. */
  26                 reg = <0x0 0x48000000 0x0 0x78000000>;
  27         };
  28
  29         memory@500000000 {
  30                 device_type = "memory";
  31                 reg = <0x5 0x00000000 0x0 0x80000000>;
  32         };
  33
  34         memory@600000000 {
  35                 device_type = "memory";
  36                 reg = <0x6 0x00000000 0x0 0x80000000>;
  37         };
  38
  39         memory@700000000 {
  40                 device_type = "memory";
  41                 reg = <0x7 0x00000000 0x0 0x80000000>;
  42         };
  43
  44         reg_1p8v: regulator-1p8v {
  45                 compatible = "regulator-fixed";
  46                 regulator-name = "fixed-1.8V";
  47                 regulator-min-microvolt = <1800000>;
  48                 regulator-max-microvolt = <1800000>;
  49                 regulator-boot-on;
  50                 regulator-always-on;
  51         };
  52
  53         reg_3p3v: regulator-3p3v {
  54                 compatible = "regulator-fixed";
  55                 regulator-name = "fixed-3.3V";
  56                 regulator-min-microvolt = <3300000>;
  57                 regulator-max-microvolt = <3300000>;
  58                 regulator-boot-on;
  59                 regulator-always-on;
  60         };
  61 };
  62
  63 &avb0 {
  64         pinctrl-0 = <&avb0_pins>;
  65         pinctrl-names = "default";
  66         phy-handle = <&phy0>;
  67         tx-internal-delay-ps = <2000>;
  68         status = "okay";
  69
  70         phy0: ethernet-phy@0 {
  71                 rxc-skew-ps = <1500>;
  72                 reg = <0>;
  73                 interrupt-parent = <&gpio4>;
  74                 interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
  75                 reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
  76         };
  77 };
  78
  79 &extal_clk {
  80         clock-frequency = <16666666>;
  81 };
  82
  83 &extalr_clk {
  84         clock-frequency = <32768>;
  85 };
  86
  87 &i2c0 {
  88         pinctrl-0 = <&i2c0_pins>;
  89         pinctrl-names = "default";
  90
  91         status = "okay";
  92         clock-frequency = <400000>;
  93
  94         eeprom@50 {
  95                 compatible = "rohm,br24g01", "atmel,24c01";
  96                 label = "cpu-board";
  97                 reg = <0x50>;
  98                 pagesize = <8>;
  99         };
 100 };
 101
 102 &i2c1 {
 103         pinctrl-0 = <&i2c1_pins>;
 104         pinctrl-names = "default";
 105
 106         status = "okay";
 107         clock-frequency = <400000>;
 108 };
 109
 110 &i2c6 {
 111         pinctrl-0 = <&i2c6_pins>;
 112         pinctrl-names = "default";
 113
 114         status = "okay";
 115         clock-frequency = <400000>;
 116 };
 117
 118 &mmc0 {
 119         pinctrl-0 = <&mmc_pins>;
 120         pinctrl-1 = <&mmc_pins>;
 121         pinctrl-names = "default", "state_uhs";
 122
 123         vmmc-supply = <&reg_3p3v>;
 124         vqmmc-supply = <&reg_1p8v>;
 125         mmc-hs200-1_8v;
 126         mmc-hs400-1_8v;
 127         bus-width = <8>;
 128         no-sd;
 129         no-sdio;
 130         non-removable;
 131         full-pwr-cycle-in-suspend;
 132         status = "okay";
 133 };
 134
 135 &pfc {
 136         pinctrl-0 = <&scif_clk_pins>;
 137         pinctrl-names = "default";
 138
 139         avb0_pins: avb0 {
 140                 mux {
 141                         groups = "avb0_link", "avb0_mdio", "avb0_rgmii", "avb0_txcrefclk";
 142                         function = "avb0";
 143                 };
 144
 145                 pins_mdio {
 146                         groups = "avb0_mdio";
 147                         drive-strength = <21>;
 148                 };
 149
 150                 pins_mii {
 151                         groups = "avb0_rgmii";
 152                         drive-strength = <21>;
 153                 };
 154
 155         };
 156
 157         i2c0_pins: i2c0 {
 158                 groups = "i2c0";
 159                 function = "i2c0";
 160         };
 161
 162         i2c1_pins: i2c1 {
 163                 groups = "i2c1";
 164                 function = "i2c1";
 165         };
 166
 167         i2c6_pins: i2c6 {
 168                 groups = "i2c6";
 169                 function = "i2c6";
 170         };
 171
 172         mmc_pins: mmc {
 173                 groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
 174                 function = "mmc";
 175                 power-source = <1800>;
 176         };
 177
 178         scif0_pins: scif0 {
 179                 groups = "scif0_data", "scif0_ctrl";
 180                 function = "scif0";
 181         };
 182
 183         scif_clk_pins: scif_clk {
 184                 groups = "scif_clk";
 185                 function = "scif_clk";
 186         };
 187 };
 188
 189 &rwdt {
 190         timeout-sec = <60>;
 191         status = "okay";
 192 };
 193
 194 &scif0 {
 195         pinctrl-0 = <&scif0_pins>;
 196         pinctrl-names = "default";
 197
 198         uart-has-rtscts;
 199         status = "okay";
 200 };
 201
 202 &scif_clk {
 203         clock-frequency = <24000000>;
 204 };