1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Device Tree Source for the iWave-RZG1M-20M Qseven SOM
4 *
5 * Copyright (C) 2017 Renesas Electronics Corp.
6 */
7
8 #include "r8a7743.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
10
11 / {
12 compatible = "iwave,g20m", "renesas,r8a7743";
13
14 memory@40000000 {
15 device_type = "memory";
16 reg = <0 0x40000000 0 0x20000000>;
17 };
18
19 memory@200000000 {
20 device_type = "memory";
21 reg = <2 0x00000000 0 0x20000000>;
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 &pfc {
39 mmcif0_pins: mmc {
40 groups = "mmc_data8_b", "mmc_ctrl";
41 function = "mmc";
42 };
43
44 qspi_pins: qspi {
45 groups = "qspi_ctrl", "qspi_data2";
46 function = "qspi";
47 };
48
49 sdhi0_pins: sd0 {
50 groups = "sdhi0_data4", "sdhi0_ctrl";
51 function = "sdhi0";
52 power-source = <3300>;
53 };
54 };
55
56 &mmcif0 {
57 pinctrl-0 = <&mmcif0_pins>;
58 pinctrl-names = "default";
59
60 vmmc-supply = <®_3p3v>;
61 bus-width = <8>;
62 non-removable;
63 status = "okay";
64 };
65
66 &qspi {
67 pinctrl-0 = <&qspi_pins>;
68 pinctrl-names = "default";
69
70 status = "okay";
71
72 /* WARNING - This device contains the bootloader. Handle with care. */
73 flash: flash@0 {
74 #address-cells = <1>;
75 #size-cells = <1>;
76 compatible = "sst,sst25vf016b", "jedec,spi-nor";
77 reg = <0>;
78 spi-max-frequency = <50000000>;
79 spi-tx-bus-width = <1>;
80 spi-rx-bus-width = <1>;
81 m25p,fast-read;
82 spi-cpol;
83 spi-cpha;
84 };
85 };
86
87 &sdhi0 {
88 pinctrl-0 = <&sdhi0_pins>;
89 pinctrl-names = "default";
90
91 vmmc-supply = <®_3p3v>;
92 vqmmc-supply = <®_3p3v>;
93 cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
94 status = "okay";
95 };
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