arch/arm/boot/dts/r8a7744-iwg20m.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the iWave RZ/G1N Qseven SOM
   4  *
   5  * Copyright (C) 2018 Renesas Electronics Corp.
   6  */
   7
   8 #include "r8a7744.dtsi"
   9 #include <dt-bindings/gpio/gpio.h>
  10
  11 / {
  12         compatible = "iwave,g20m", "renesas,r8a7744";
  13
  14         memory@40000000 {
  15                 device_type = "memory";
  16                 reg = <0 0x40000000 0 0x40000000>;
  17         };
  18
  19         reg_3p3v: 3p3v {
  20                 compatible = "regulator-fixed";
  21                 regulator-name = "3P3V";
  22                 regulator-min-microvolt = <3300000>;
  23                 regulator-max-microvolt = <3300000>;
  24                 regulator-always-on;
  25                 regulator-boot-on;
  26         };
  27 };
  28
  29 &extal_clk {
  30         clock-frequency = <20000000>;
  31 };
  32
  33 &pfc {
  34         mmcif0_pins: mmc {
  35                 groups = "mmc_data8_b", "mmc_ctrl";
  36                 function = "mmc";
  37         };
  38
  39         qspi_pins: qspi {
  40                 groups = "qspi_ctrl", "qspi_data2";
  41                 function = "qspi";
  42         };
  43
  44         sdhi0_pins: sd0 {
  45                 groups = "sdhi0_data4", "sdhi0_ctrl";
  46                 function = "sdhi0";
  47                 power-source = <3300>;
  48         };
  49 };
  50
  51 &mmcif0 {
  52         pinctrl-0 = <&mmcif0_pins>;
  53         pinctrl-names = "default";
  54
  55         vmmc-supply = <&reg_3p3v>;
  56         bus-width = <8>;
  57         non-removable;
  58         status = "okay";
  59 };
  60
  61 &qspi {
  62         pinctrl-0 = <&qspi_pins>;
  63         pinctrl-names = "default";
  64
  65         status = "okay";
  66
  67         /* WARNING - This device contains the bootloader. Handle with care. */
  68         flash: flash@0 {
  69                 #address-cells = <1>;
  70                 #size-cells = <1>;
  71                 compatible = "jedec,spi-nor";
  72                 reg = <0>;
  73                 spi-max-frequency = <50000000>;
  74                 spi-tx-bus-width = <2>;
  75                 spi-rx-bus-width = <2>;
  76                 m25p,fast-read;
  77                 spi-cpol;
  78                 spi-cpha;
  79         };
  80 };
  81
  82 &sdhi0 {
  83         pinctrl-0 = <&sdhi0_pins>;
  84         pinctrl-names = "default";
  85
  86         vmmc-supply = <&reg_3p3v>;
  87         vqmmc-supply = <&reg_3p3v>;
  88         cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
  89         status = "okay";
  90 };