arch/arm/boot/dts/r8a7743-iwg20m.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the iWave-RZG1M-20M Qseven SOM
   4  *
   5  * Copyright (C) 2017 Renesas Electronics Corp.
   6  */
   7
   8 #include "r8a7743.dtsi"
   9 #include <dt-bindings/gpio/gpio.h>
  10
  11 / {
  12         compatible = "iwave,g20m", "renesas,r8a7743";
  13
  14         memory@40000000 {
  15                 device_type = "memory";
  16                 reg = <0 0x40000000 0 0x20000000>;
  17         };
  18
  19         memory@200000000 {
  20                 device_type = "memory";
  21                 reg = <2 0x00000000 0 0x20000000>;
  22         };
  23
  24         reg_3p3v: 3p3v {
  25                 compatible = "regulator-fixed";
  26                 regulator-name = "3P3V";
  27                 regulator-min-microvolt = <3300000>;
  28                 regulator-max-microvolt = <3300000>;
  29                 regulator-always-on;
  30                 regulator-boot-on;
  31         };
  32 };
  33
  34 &cmt0 {
  35         status = "okay";
  36 };
  37
  38 &extal_clk {
  39         clock-frequency = <20000000>;
  40 };
  41
  42 &pfc {
  43         mmcif0_pins: mmc {
  44                 groups = "mmc_data8_b", "mmc_ctrl";
  45                 function = "mmc";
  46         };
  47
  48         qspi_pins: qspi {
  49                 groups = "qspi_ctrl", "qspi_data2";
  50                 function = "qspi";
  51         };
  52
  53         sdhi0_pins: sd0 {
  54                 groups = "sdhi0_data4", "sdhi0_ctrl";
  55                 function = "sdhi0";
  56                 power-source = <3300>;
  57         };
  58 };
  59
  60 &mmcif0 {
  61         pinctrl-0 = <&mmcif0_pins>;
  62         pinctrl-names = "default";
  63
  64         vmmc-supply = <&reg_3p3v>;
  65         bus-width = <8>;
  66         non-removable;
  67         status = "okay";
  68 };
  69
  70 &qspi {
  71         pinctrl-0 = <&qspi_pins>;
  72         pinctrl-names = "default";
  73
  74         status = "okay";
  75
  76         /* WARNING - This device contains the bootloader. Handle with care. */
  77         flash: flash@0 {
  78                 #address-cells = <1>;
  79                 #size-cells = <1>;
  80                 compatible = "sst,sst25vf016b", "jedec,spi-nor";
  81                 reg = <0>;
  82                 spi-max-frequency = <50000000>;
  83                 spi-tx-bus-width = <1>;
  84                 spi-rx-bus-width = <1>;
  85                 m25p,fast-read;
  86                 spi-cpol;
  87                 spi-cpha;
  88         };
  89 };
  90
  91 &rwdt {
  92         timeout-sec = <60>;
  93         status = "okay";
  94 };
  95
  96 &sdhi0 {
  97         pinctrl-0 = <&sdhi0_pins>;
  98         pinctrl-names = "default";
  99
 100         vmmc-supply = <&reg_3p3v>;
 101         vqmmc-supply = <&reg_3p3v>;
 102         cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
 103         status = "okay";
 104 };