arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 /*
   3  * Device Tree Source for the White Hawk CPU board
   4  *
   5  * Copyright (C) 2022 Renesas Electronics Corp.
   6  */
   7
   8 #include "r8a779g0.dtsi"
   9
  10 #include <dt-bindings/gpio/gpio.h>
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/leds/common.h>
  13
  14 / {
  15         model = "Renesas White Hawk CPU board";
  16         compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0";
  17
  18         aliases {
  19                 ethernet0 = &avb0;
  20                 serial0 = &hscif0;
  21         };
  22
  23         chosen {
  24                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
  25                 stdout-path = "serial0:921600n8";
  26         };
  27
  28         keys {
  29                 compatible = "gpio-keys";
  30
  31                 pinctrl-0 = <&keys_pins>;
  32                 pinctrl-names = "default";
  33
  34                 key-1 {
  35                         gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
  36                         linux,code = <KEY_1>;
  37                         label = "SW47";
  38                         wakeup-source;
  39                         debounce-interval = <20>;
  40                 };
  41
  42                 key-2 {
  43                         gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
  44                         linux,code = <KEY_2>;
  45                         label = "SW48";
  46                         wakeup-source;
  47                         debounce-interval = <20>;
  48                 };
  49
  50                 key-3 {
  51                         gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
  52                         linux,code = <KEY_3>;
  53                         label = "SW49";
  54                         wakeup-source;
  55                         debounce-interval = <20>;
  56                 };
  57         };
  58
  59         leds {
  60                 compatible = "gpio-leds";
  61
  62                 led-1 {
  63                         gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
  64                         color = <LED_COLOR_ID_GREEN>;
  65                         function = LED_FUNCTION_INDICATOR;
  66                         function-enumerator = <1>;
  67                 };
  68
  69                 led-2 {
  70                         gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
  71                         color = <LED_COLOR_ID_GREEN>;
  72                         function = LED_FUNCTION_INDICATOR;
  73                         function-enumerator = <2>;
  74                 };
  75
  76                 led-3 {
  77                         gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
  78                         color = <LED_COLOR_ID_GREEN>;
  79                         function = LED_FUNCTION_INDICATOR;
  80                         function-enumerator = <3>;
  81                 };
  82         };
  83
  84         memory@48000000 {
  85                 device_type = "memory";
  86                 /* first 128MB is reserved for secure area. */
  87                 reg = <0x0 0x48000000 0x0 0x78000000>;
  88         };
  89
  90         memory@480000000 {
  91                 device_type = "memory";
  92                 reg = <0x4 0x80000000 0x0 0x80000000>;
  93         };
  94
  95         memory@600000000 {
  96                 device_type = "memory";
  97                 reg = <0x6 0x00000000 0x1 0x00000000>;
  98         };
  99 };
 100
 101 &avb0 {
 102         pinctrl-0 = <&avb0_pins>;
 103         pinctrl-names = "default";
 104         phy-handle = <&phy0>;
 105         tx-internal-delay-ps = <2000>;
 106         status = "okay";
 107
 108         phy0: ethernet-phy@0 {
 109                 compatible = "ethernet-phy-id0022.1622",
 110                              "ethernet-phy-ieee802.3-c22";
 111                 rxc-skew-ps = <1500>;
 112                 reg = <0>;
 113                 interrupt-parent = <&gpio7>;
 114                 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
 115                 reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
 116         };
 117 };
 118
 119 &extal_clk {
 120         clock-frequency = <16666666>;
 121 };
 122
 123 &extalr_clk {
 124         clock-frequency = <32768>;
 125 };
 126
 127 &hscif0 {
 128         pinctrl-0 = <&hscif0_pins>;
 129         pinctrl-names = "default";
 130
 131         status = "okay";
 132 };
 133
 134 &i2c0 {
 135         pinctrl-0 = <&i2c0_pins>;
 136         pinctrl-names = "default";
 137
 138         status = "okay";
 139         clock-frequency = <400000>;
 140
 141         eeprom@50 {
 142                 compatible = "rohm,br24g01", "atmel,24c01";
 143                 label = "cpu-board";
 144                 reg = <0x50>;
 145                 pagesize = <8>;
 146         };
 147 };
 148
 149 &pfc {
 150         pinctrl-0 = <&scif_clk_pins>;
 151         pinctrl-names = "default";
 152
 153         avb0_pins: avb0 {
 154                 mux {
 155                         groups = "avb0_link", "avb0_mdio", "avb0_rgmii",
 156                                  "avb0_txcrefclk";
 157                         function = "avb0";
 158                 };
 159
 160                 pins_mdio {
 161                         groups = "avb0_mdio";
 162                         drive-strength = <21>;
 163                 };
 164
 165                 pins_mii {
 166                         groups = "avb0_rgmii";
 167                         drive-strength = <21>;
 168                 };
 169
 170         };
 171         hscif0_pins: hscif0 {
 172                 groups = "hscif0_data";
 173                 function = "hscif0";
 174         };
 175
 176         i2c0_pins: i2c0 {
 177                 groups = "i2c0";
 178                 function = "i2c0";
 179         };
 180
 181         keys_pins: keys {
 182                 pins = "GP_5_0", "GP_5_1", "GP_5_2";
 183                 bias-pull-up;
 184         };
 185
 186         scif_clk_pins: scif_clk {
 187                 groups = "scif_clk";
 188                 function = "scif_clk";
 189         };
 190 };
 191
 192 &scif_clk {
 193         clock-frequency = <24000000>;
 194 };
 195
 196 &rwdt {
 197         timeout-sec = <60>;
 198         status = "okay";
 199 };