1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for the iWave RZ/G1H Qseven SOM
4 *
5 * Copyright (C) 2020 Renesas Electronics Corp.
6 */
7
8#include "r8a7742.dtsi"
9#include <dt-bindings/gpio/gpio.h>
10
11/ {
12	compatible = "iwave,g21m", "renesas,r8a7742";
13
14	memory@40000000 {
15		device_type = "memory";
16		reg = <0 0x40000000 0 0x40000000>;
17	};
18
19	memory@200000000 {
20		device_type = "memory";
21		reg = <2 0x00000000 0 0x40000000>;
22	};
23
24	reg_3p3v: 3p3v {
25		compatible = "regulator-fixed";
26		regulator-name = "3P3V";
27		regulator-min-microvolt = <3300000>;
28		regulator-max-microvolt = <3300000>;
29		regulator-always-on;
30		regulator-boot-on;
31	};
32};
33
34&extal_clk {
35	clock-frequency = <20000000>;
36};
37
38&gpio0 {
39	/* GP0_18 set low to select QSPI. Doing so will disable VIN2 */
40	qspi-en-hog {
41		gpio-hog;
42		gpios = <18 GPIO_ACTIVE_HIGH>;
43		output-low;
44		line-name = "QSPI_EN";
45	};
46};
47
48&i2c0 {
49	pinctrl-0 = <&i2c0_pins>;
50	pinctrl-names = "default";
51
52	status = "okay";
53	clock-frequency = <400000>;
54
55	rtc@68 {
56		compatible = "ti,bq32000";
57		reg = <0x68>;
58		interrupt-parent = <&gpio1>;
59		interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
60	};
61};
62
63&mmcif1 {
64	pinctrl-0 = <&mmc1_pins>;
65	pinctrl-names = "default";
66
67	vmmc-supply = <&reg_3p3v>;
68	bus-width = <4>;
69	non-removable;
70	status = "okay";
71};
72
73&pfc {
74	i2c0_pins: i2c0 {
75		groups = "i2c0";
76		function = "i2c0";
77	};
78
79	mmc1_pins: mmc1 {
80		groups = "mmc1_data4", "mmc1_ctrl";
81		function = "mmc1";
82	};
83
84	qspi_pins: qspi {
85		groups = "qspi_ctrl", "qspi_data2";
86		function = "qspi";
87	};
88};
89
90&qspi {
91	pinctrl-0 = <&qspi_pins>;
92	pinctrl-names = "default";
93
94	status = "okay";
95
96	flash: flash@0 {
97		compatible = "sst,sst25vf016b", "jedec,spi-nor";
98		reg = <0>;
99		spi-max-frequency = <50000000>;
100		m25p,fast-read;
101		spi-cpol;
102		spi-cpha;
103
104		partitions {
105			compatible = "fixed-partitions";
106			#address-cells = <1>;
107			#size-cells = <1>;
108
109			partition@0 {
110				label = "bootloader";
111				reg = <0x00000000 0x000c0000>;
112				read-only;
113			};
114			partition@c0000 {
115				label = "env";
116				reg = <0x000c0000 0x00002000>;
117			};
118			partition@c2000 {
119				label = "user";
120				reg = <0x000c2000 0x0013e000>;
121			};
122		};
123	};
124};
125