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&sdhi0 {
 95	pinctrl-0 = <&sdhi0_pins>;
 96	pinctrl-names = "default";
 97
 98	vmmc-supply = <&reg_3p3v>;
 99	vqmmc-supply = <&reg_3p3v>;
100	cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
101	status = "okay";
102};