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 = <®_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 = <®_3p3v>;
101 vqmmc-supply = <®_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 };
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