arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the iWave-RZ/G1C single board computer
   4  *
   5  * Copyright (C) 2018 Renesas Electronics Corp.
   6  */
   7
   8 /dts-v1/;
   9 #include <dt-bindings/gpio/gpio.h>
  10 #include "r8a77470.dtsi"
  11 / {
  12         model = "iWave iW-RainboW-G23S single board computer based on RZ/G1C";
  13         compatible = "iwave,g23s", "renesas,r8a77470";
  14
  15         aliases {
  16                 ethernet0 = &avb;
  17                 serial1 = &scif1;
  18         };
  19
  20         chosen {
  21                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  22                 stdout-path = "serial1:115200n8";
  23         };
  24
  25         memory@40000000 {
  26                 device_type = "memory";
  27                 reg = <0 0x40000000 0 0x20000000>;
  28         };
  29
  30         reg_1p8v: reg-1p8v {
  31                 compatible = "regulator-fixed";
  32                 regulator-name = "fixed-1.8V";
  33                 regulator-min-microvolt = <1800000>;
  34                 regulator-max-microvolt = <1800000>;
  35                 regulator-boot-on;
  36                 regulator-always-on;
  37         };
  38
  39         reg_3p3v: reg-3p3v {
  40                 compatible = "regulator-fixed";
  41                 regulator-name = "fixed-3.3V";
  42                 regulator-min-microvolt = <3300000>;
  43                 regulator-max-microvolt = <3300000>;
  44                 regulator-boot-on;
  45                 regulator-always-on;
  46         };
  47
  48         vccq_sdhi2: regulator-vccq-sdhi2 {
  49                 compatible = "regulator-gpio";
  50
  51                 regulator-name = "SDHI2 VccQ";
  52                 regulator-min-microvolt = <1800000>;
  53                 regulator-max-microvolt = <3300000>;
  54
  55                 gpios = <&gpio2 24 GPIO_ACTIVE_LOW>;
  56                 gpios-states = <1>;
  57                 states = <3300000 1
  58                           1800000 0>;
  59         };
  60 };
  61
  62 &avb {
  63         pinctrl-0 = <&avb_pins>;
  64         pinctrl-names = "default";
  65
  66         phy-handle = <&phy3>;
  67         phy-mode = "gmii";
  68         renesas,no-ether-link;
  69         status = "okay";
  70
  71         phy3: ethernet-phy@3 {
  72                 reg = <3>;
  73                 interrupt-parent = <&gpio5>;
  74                 interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
  75                 micrel,led-mode = <1>;
  76         };
  77 };
  78
  79 &cmt0 {
  80         status = "okay";
  81 };
  82
  83 &extal_clk {
  84         clock-frequency = <20000000>;
  85 };
  86
  87 &pfc {
  88         avb_pins: avb {
  89                 groups = "avb_mdio", "avb_gmii_tx_rx";
  90                 function = "avb";
  91         };
  92
  93         mmc_pins_uhs: mmc_uhs {
  94                 groups = "mmc_data8", "mmc_ctrl";
  95                 function = "mmc";
  96                 power-source = <1800>;
  97         };
  98
  99         qspi0_pins: qspi0 {
 100                 groups = "qspi0_ctrl", "qspi0_data2";
 101                 function = "qspi0";
 102         };
 103
 104         scif1_pins: scif1 {
 105                 groups = "scif1_data_b";
 106                 function = "scif1";
 107         };
 108
 109         sdhi2_pins: sd2 {
 110                 groups = "sdhi2_data4", "sdhi2_ctrl";
 111                 function = "sdhi2";
 112                 power-source = <3300>;
 113         };
 114
 115         sdhi2_pins_uhs: sd2_uhs {
 116                 groups = "sdhi2_data4", "sdhi2_ctrl";
 117                 function = "sdhi2";
 118                 power-source = <1800>;
 119         };
 120 };
 121
 122 &qspi0 {
 123         pinctrl-0 = <&qspi0_pins>;
 124         pinctrl-names = "default";
 125
 126         status = "okay";
 127
 128         /* WARNING - This device contains the bootloader. Handle with care. */
 129         flash: flash@0 {
 130                 #address-cells = <1>;
 131                 #size-cells = <1>;
 132                 compatible = "issi,is25lp016d", "jedec,spi-nor";
 133                 reg = <0>;
 134                 spi-max-frequency = <133000000>;
 135                 spi-tx-bus-width = <1>;
 136                 spi-rx-bus-width = <1>;
 137                 m25p,fast-read;
 138                 spi-cpol;
 139                 spi-cpha;
 140         };
 141 };
 142
 143 &rwdt {
 144         timeout-sec = <60>;
 145         status = "okay";
 146 };
 147
 148 &scif1 {
 149         pinctrl-0 = <&scif1_pins>;
 150         pinctrl-names = "default";
 151
 152         status = "okay";
 153 };
 154
 155 &sdhi1 {
 156         pinctrl-0 = <&mmc_pins_uhs>;
 157         pinctrl-names = "state_uhs";
 158
 159         vmmc-supply = <&reg_3p3v>;
 160         vqmmc-supply = <&reg_1p8v>;
 161         bus-width = <8>;
 162         mmc-hs200-1_8v;
 163         non-removable;
 164         fixed-emmc-driver-type = <1>;
 165         status = "okay";
 166 };
 167
 168 &sdhi2 {
 169         pinctrl-0 = <&sdhi2_pins>;
 170         pinctrl-1 = <&sdhi2_pins_uhs>;
 171         pinctrl-names = "default", "state_uhs";
 172
 173         vmmc-supply = <&reg_3p3v>;
 174         vqmmc-supply = <&vccq_sdhi2>;
 175         bus-width = <4>;
 176         cd-gpios = <&gpio4 20 GPIO_ACTIVE_LOW>;
 177         sd-uhs-sdr50;
 178         status = "okay";
 179 };