xref: /linux/arch/arm/boot/dts/renesas/r8a7745-iwg22m.dtsi (revision cdd5b5a9761fd66d17586e4f4ba6588c70e640ea) 
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for the iWave-RZG1E-G22M SODIMM SOM
4 *
5 * Copyright (C) 2017 Renesas Electronics Corp.
6 */
7
8#include "r8a7745.dtsi"
9#include <dt-bindings/gpio/gpio.h>
10
11/ {
12	compatible = "iwave,g22m", "renesas,r8a7745";
13
14	memory@40000000 {
15		device_type = "memory";
16		reg = <0 0x40000000 0 0x20000000>;
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&cmt0 {
30	status = "okay";
31};
32
33&extal_clk {
34	clock-frequency = <20000000>;
35};
36
37&pfc {
38	mmcif0_pins: mmc {
39		groups = "mmc_data8", "mmc_ctrl";
40		function = "mmc";
41	};
42
43	qspi_pins: qspi {
44		groups = "qspi_ctrl", "qspi_data2";
45		function = "qspi";
46	};
47
48	sdhi1_pins: sd1 {
49		groups = "sdhi1_data4", "sdhi1_ctrl";
50		function = "sdhi1";
51		power-source = <3300>;
52	};
53
54	i2c3_pins: i2c3 {
55		groups = "i2c3_b";
56		function = "i2c3";
57	};
58};
59
60&mmcif0 {
61	pinctrl-0 = <&mmcif0_pins>;
62	pinctrl-names = "default";
63
64	vmmc-supply = <&reg_3p3v>;
65	bus-width = <8>;
66	non-removable;
67	status = "okay";
68};
69
70&qspi {
71	pinctrl-0 = <&qspi_pins>;
72	pinctrl-names = "default";
73
74	status = "okay";
75
76	/* WARNING - This device contains the bootloader. Handle with care. */
77	flash: flash@0 {
78		#address-cells = <1>;
79		#size-cells = <1>;
80		compatible = "sst,sst25vf016b", "jedec,spi-nor";
81		reg = <0>;
82		spi-max-frequency = <50000000>;
83		spi-tx-bus-width = <1>;
84		spi-rx-bus-width = <1>;
85		m25p,fast-read;
86		spi-cpol;
87		spi-cpha;
88	};
89};
90
91&rwdt {
92	timeout-sec = <60>;
93	status = "okay";
94};
95
96&sdhi1 {
97	pinctrl-0 = <&sdhi1_pins>;
98	pinctrl-names = "default";
99
100	vmmc-supply = <&reg_3p3v>;
101	vqmmc-supply = <&reg_3p3v>;
102	cd-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
103	status = "okay";
104};
105
106&i2c3 {
107	pinctrl-0 = <&i2c3_pins>;
108	pinctrl-names = "default";
109
110	status = "okay";
111	clock-frequency = <400000>;
112
113	rtc@68 {
114		compatible = "ti,bq32000";
115		reg = <0x68>;
116	};
117};
118