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

   1 /*
   2  * Device Tree Source for the iWave-RZG1M-20M Qseven SOM
   3  *
   4  * Copyright (C) 2017 Renesas Electronics Corp.
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2.  This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 #include "r8a7743.dtsi"
  12 #include <dt-bindings/gpio/gpio.h>
  13
  14 / {
  15         compatible = "iwave,g20m", "renesas,r8a7743";
  16
  17         memory@40000000 {
  18                 device_type = "memory";
  19                 reg = <0 0x40000000 0 0x20000000>;
  20         };
  21
  22         memory@200000000 {
  23                 device_type = "memory";
  24                 reg = <2 0x00000000 0 0x20000000>;
  25         };
  26
  27         reg_3p3v: 3p3v {
  28                 compatible = "regulator-fixed";
  29                 regulator-name = "3P3V";
  30                 regulator-min-microvolt = <3300000>;
  31                 regulator-max-microvolt = <3300000>;
  32                 regulator-always-on;
  33                 regulator-boot-on;
  34         };
  35 };
  36
  37 &cmt0 {
  38         status = "okay";
  39 };
  40
  41 &extal_clk {
  42         clock-frequency = <20000000>;
  43 };
  44
  45 &pfc {
  46         mmcif0_pins: mmc {
  47                 groups = "mmc_data8_b", "mmc_ctrl";
  48                 function = "mmc";
  49         };
  50
  51         qspi_pins: qspi {
  52                 groups = "qspi_ctrl", "qspi_data2";
  53                 function = "qspi";
  54         };
  55
  56         sdhi0_pins: sd0 {
  57                 groups = "sdhi0_data4", "sdhi0_ctrl";
  58                 function = "sdhi0";
  59                 power-source = <3300>;
  60         };
  61 };
  62
  63 &mmcif0 {
  64         pinctrl-0 = <&mmcif0_pins>;
  65         pinctrl-names = "default";
  66
  67         vmmc-supply = <&reg_3p3v>;
  68         bus-width = <8>;
  69         non-removable;
  70         status = "okay";
  71 };
  72
  73 &qspi {
  74         pinctrl-0 = <&qspi_pins>;
  75         pinctrl-names = "default";
  76
  77         status = "okay";
  78
  79         /* WARNING - This device contains the bootloader. Handle with care. */
  80         flash: flash@0 {
  81                 #address-cells = <1>;
  82                 #size-cells = <1>;
  83                 compatible = "sst,sst25vf016b", "jedec,spi-nor";
  84                 reg = <0>;
  85                 spi-max-frequency = <50000000>;
  86                 spi-tx-bus-width = <1>;
  87                 spi-rx-bus-width = <1>;
  88                 m25p,fast-read;
  89                 spi-cpol;
  90                 spi-cpha;
  91         };
  92 };
  93
  94 &rwdt {
  95         timeout-sec = <60>;
  96         status = "okay";
  97 };
  98
  99 &sdhi0 {
 100         pinctrl-0 = <&sdhi0_pins>;
 101         pinctrl-names = "default";
 102
 103         vmmc-supply = <&reg_3p3v>;
 104         vqmmc-supply = <&reg_3p3v>;
 105         cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
 106         status = "okay";
 107 };