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};
91