arch/arm/boot/dts/r8a7745-iwg22m.dtsi

   1 /*
   2  * Device Tree Source for the iWave-RZG1E-G22M SODIMM 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 "r8a7745.dtsi"
  12 #include <dt-bindings/gpio/gpio.h>
  13
  14 / {
  15         compatible = "iwave,g22m", "renesas,r8a7745";
  16
  17         memory@40000000 {
  18                 device_type = "memory";
  19                 reg = <0 0x40000000 0 0x20000000>;
  20         };
  21
  22         reg_3p3v: 3p3v {
  23                 compatible = "regulator-fixed";
  24                 regulator-name = "3P3V";
  25                 regulator-min-microvolt = <3300000>;
  26                 regulator-max-microvolt = <3300000>;
  27                 regulator-always-on;
  28                 regulator-boot-on;
  29         };
  30 };
  31
  32 &cmt0 {
  33         status = "okay";
  34 };
  35
  36 &extal_clk {
  37         clock-frequency = <20000000>;
  38 };
  39
  40 &pfc {
  41         mmcif0_pins: mmc {
  42                 groups = "mmc_data8", "mmc_ctrl";
  43                 function = "mmc";
  44         };
  45
  46         qspi_pins: qspi {
  47                 groups = "qspi_ctrl", "qspi_data2";
  48                 function = "qspi";
  49         };
  50
  51         sdhi1_pins: sd1 {
  52                 groups = "sdhi1_data4", "sdhi1_ctrl";
  53                 function = "sdhi1";
  54                 power-source = <3300>;
  55         };
  56
  57         i2c3_pins: i2c3 {
  58                 groups = "i2c3_b";
  59                 function = "i2c3";
  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 &sdhi1 {
 100         pinctrl-0 = <&sdhi1_pins>;
 101         pinctrl-names = "default";
 102
 103         vmmc-supply = <&reg_3p3v>;
 104         vqmmc-supply = <&reg_3p3v>;
 105         cd-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
 106         status = "okay";
 107 };
 108
 109 &i2c3 {
 110         pinctrl-0 = <&i2c3_pins>;
 111         pinctrl-names = "default";
 112
 113         status = "okay";
 114         clock-frequency = <400000>;
 115
 116         rtc@68 {
 117                 compatible = "ti,bq32000";
 118                 reg = <0x68>;
 119         };
 120 };