arch/arm/dts/r8a77990-ebisu.dts

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Device Tree Source for the ebisu board
   4  *
   5  * Copyright (C) 2018 Renesas Electronics Corp.
   6  */
   7
   8 /dts-v1/;
   9 #include "r8a77990.dtsi"
  10 #include <dt-bindings/gpio/gpio.h>
  11
  12 / {
  13         model = "Renesas Ebisu board based on r8a77990";
  14         compatible = "renesas,ebisu", "renesas,r8a77990";
  15
  16         aliases {
  17                 serial0 = &scif2;
  18                 ethernet0 = &avb;
  19         };
  20
  21         chosen {
  22                 bootargs = "ignore_loglevel";
  23                 stdout-path = "serial0:115200n8";
  24         };
  25
  26         memory@48000000 {
  27                 device_type = "memory";
  28                 /* first 128MB is reserved for secure area. */
  29                 reg = <0x0 0x48000000 0x0 0x38000000>;
  30         };
  31
  32         reg_1p8v: regulator0 {
  33                 compatible = "regulator-fixed";
  34                 regulator-name = "fixed-1.8V";
  35                 regulator-min-microvolt = <1800000>;
  36                 regulator-max-microvolt = <1800000>;
  37                 regulator-boot-on;
  38                 regulator-always-on;
  39         };
  40
  41         reg_3p3v: regulator1 {
  42                 compatible = "regulator-fixed";
  43                 regulator-name = "fixed-3.3V";
  44                 regulator-min-microvolt = <3300000>;
  45                 regulator-max-microvolt = <3300000>;
  46                 regulator-boot-on;
  47                 regulator-always-on;
  48         };
  49 };
  50
  51 &avb {
  52         pinctrl-0 = <&avb_pins>;
  53         pinctrl-names = "default";
  54         renesas,no-ether-link;
  55         phy-handle = <&phy0>;
  56         phy-mode = "rgmii-txid";
  57         status = "okay";
  58
  59         phy0: ethernet-phy@0 {
  60                 rxc-skew-ps = <1500>;
  61                 reg = <0>;
  62                 interrupt-parent = <&gpio2>;
  63                 interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
  64                 reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
  65         };
  66 };
  67
  68 &extal_clk {
  69         clock-frequency = <48000000>;
  70 };
  71
  72 &pfc {
  73         pinctrl-0 = <&scif_clk_pins>;
  74         pinctrl-names = "default";
  75
  76         avb_pins: avb {
  77                 mux {
  78                         groups = "avb_link", "avb_mii";
  79                         function = "avb";
  80                 };
  81         };
  82
  83         scif2_pins: scif2 {
  84                 groups = "scif2_data_a";
  85                 function = "scif2";
  86         };
  87
  88         scif_clk_pins: scif_clk {
  89                 groups = "scif_clk_a";
  90                 function = "scif_clk";
  91         };
  92
  93         sdhi3_pins: sd2 {
  94                 groups = "sdhi3_data8", "sdhi3_ctrl";
  95                 function = "sdhi3";
  96                 power-source = <1800>;
  97         };
  98
  99         sdhi3_pins_uhs: sd2_uhs {
 100                 groups = "sdhi3_data8", "sdhi3_ctrl";
 101                 function = "sdhi3";
 102                 power-source = <1800>;
 103         };
 104 };
 105
 106 &sdhi0 {
 107         status = "okay";
 108 };
 109
 110 &sdhi1 {
 111         status = "okay";
 112 };
 113
 114 &sdhi3 {
 115         /* used for on-board 8bit eMMC */
 116         pinctrl-0 = <&sdhi3_pins>;
 117         pinctrl-1 = <&sdhi3_pins_uhs>;
 118         pinctrl-names = "default", "state_uhs";
 119
 120         vmmc-supply = <&reg_3p3v>;
 121         vqmmc-supply = <&reg_1p8v>;
 122         bus-width = <8>;
 123         mmc-hs200-1_8v;
 124         non-removable;
 125         status = "okay";
 126 };
 127
 128 &scif2 {
 129         pinctrl-0 = <&scif2_pins>;
 130         pinctrl-names = "default";
 131
 132         status = "okay";
 133 };