arch/arm/dts/mt8512-bm1-emmc.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Copyright (C) 2019 MediaTek Inc.
   4  * Author: Mingming Lee <mingming.lee@mediatek.com>
   5  *
   6  */
   7
   8 /dts-v1/;
   9
  10 #include <config.h>
  11 #include "mt8512.dtsi"
  12
  13 / {
  14         #address-cells = <1>;
  15         #size-cells = <1>;
  16
  17         model = "MT8512 BM1 EMMC";
  18
  19         chosen {
  20                 stdout-path = &uart0;
  21                 tick-timer = &timer0;
  22         };
  23
  24         memory@40000000 {
  25                 device_type = "memory";
  26                 reg = <0x40000000 0x20000000>;
  27         };
  28
  29         reg_1p8v: regulator-1p8v {
  30                 compatible = "regulator-fixed";
  31                 regulator-name = "fixed-1.8V";
  32                 regulator-min-microvolt = <1800000>;
  33                 regulator-max-microvolt = <1800000>;
  34                 regulator-boot-on;
  35                 regulator-always-on;
  36         };
  37
  38         reg_3p3v: regulator-3p3v {
  39                 compatible = "regulator-fixed";
  40                 regulator-name = "fixed-3.3V";
  41                 regulator-min-microvolt = <3300000>;
  42                 regulator-max-microvolt = <3300000>;
  43                 regulator-boot-on;
  44                 regulator-always-on;
  45         };
  46
  47         usb_p0_vbus: regulator@0 {
  48                 compatible = "regulator-fixed";
  49                 regulator-name = "p0_vbus";
  50                 regulator-min-microvolt = <5000000>;
  51                 regulator-max-microvolt = <5000000>;
  52                 gpio = <&gpio 27 GPIO_ACTIVE_HIGH>;
  53                 enable-active-high;
  54         };
  55
  56         usb_p1_vbus: regulator@1 {
  57                 compatible = "regulator-fixed";
  58                 regulator-name = "p1_vbus";
  59                 regulator-min-microvolt = <5000000>;
  60                 regulator-max-microvolt = <5000000>;
  61                 gpio = <&gpio 32 GPIO_ACTIVE_HIGH>;
  62                 enable-active-high;
  63                 regulator-always-on;
  64         };
  65 };
  66
  67 &mmc0 {
  68         pinctrl-names = "default";
  69         pinctrl-0 = <&mmc0_pins_default>;
  70         bus-width = <8>;
  71         max-frequency = <200000000>;
  72         cap-mmc-highspeed;
  73         mmc-hs200-1_8v;
  74         cap-mmc-hw-reset;
  75         vmmc-supply = <&reg_3p3v>;
  76         vqmmc-supply = <&reg_1p8v>;
  77         non-removable;
  78         status = "okay";
  79 };
  80
  81 &pinctrl {
  82         mmc0_pins_default: mmc0default {
  83                 mux {
  84                         function = "msdc";
  85                         groups =  "msdc0";
  86                 };
  87
  88                 conf-cmd-data {
  89                         pins = "MSDC0_CMD", "MSDC0_DAT0", "MSDC0_DAT1",
  90                                "MSDC0_DAT2", "MSDC0_DAT3", "MSDC0_DAT4",
  91                                "MSDC0_DAT5", "MSDC0_DAT6", "MSDC0_DAT7";
  92                         input-enable;
  93                         drive-strength = <6>;
  94                         bias-pull-up;
  95                 };
  96
  97                 conf-clk {
  98                         pins = "MSDC0_CLK";
  99                         drive-strength = <6>;
 100                         bias-pull-down;
 101                 };
 102
 103                 conf-rst {
 104                         pins = "MSDC0_RSTB";
 105                         bias-pull-up;
 106                 };
 107         };
 108
 109                 uart0_pins: uart0 {
 110                         mux {
 111                                 function = "uart";
 112                                 groups = "uart0_0_rxd_txd";
 113                         };
 114                 };
 115 };
 116
 117 &ssusb {
 118         dr_mode = "peripheral";
 119         maximum-speed = "high-speed";
 120         status = "okay";
 121 };
 122
 123 &usb3 {
 124         vbus-supply = <&usb_p0_vbus>;
 125         status = "okay";
 126 };
 127
 128 &u3phy {
 129         status = "okay";
 130 };
 131
 132 &uart0 {
 133         pinctrl-names = "default";
 134         pinctrl-0 = <&uart0_pins>;
 135         status = "okay";
 136 };
 137
 138 &watchdog0 {
 139         status = "okay";
 140 };