xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/r8a7743-iwg20m.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun/*
3*4882a593Smuzhiyun * Device Tree Source for the iWave-RZG1M-20M Qseven SOM
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2017 Renesas Electronics Corp.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun#include "r8a7743.dtsi"
9*4882a593Smuzhiyun#include <dt-bindings/gpio/gpio.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun/ {
12*4882a593Smuzhiyun	compatible = "iwave,g20m", "renesas,r8a7743";
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun	memory@40000000 {
15*4882a593Smuzhiyun		device_type = "memory";
16*4882a593Smuzhiyun		reg = <0 0x40000000 0 0x20000000>;
17*4882a593Smuzhiyun	};
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun	memory@200000000 {
20*4882a593Smuzhiyun		device_type = "memory";
21*4882a593Smuzhiyun		reg = <2 0x00000000 0 0x20000000>;
22*4882a593Smuzhiyun	};
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun	reg_3p3v: 3p3v {
25*4882a593Smuzhiyun		compatible = "regulator-fixed";
26*4882a593Smuzhiyun		regulator-name = "3P3V";
27*4882a593Smuzhiyun		regulator-min-microvolt = <3300000>;
28*4882a593Smuzhiyun		regulator-max-microvolt = <3300000>;
29*4882a593Smuzhiyun		regulator-always-on;
30*4882a593Smuzhiyun		regulator-boot-on;
31*4882a593Smuzhiyun	};
32*4882a593Smuzhiyun};
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun&extal_clk {
35*4882a593Smuzhiyun	clock-frequency = <20000000>;
36*4882a593Smuzhiyun};
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun&pfc {
39*4882a593Smuzhiyun	mmcif0_pins: mmc {
40*4882a593Smuzhiyun		groups = "mmc_data8_b", "mmc_ctrl";
41*4882a593Smuzhiyun		function = "mmc";
42*4882a593Smuzhiyun	};
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun	qspi_pins: qspi {
45*4882a593Smuzhiyun		groups = "qspi_ctrl", "qspi_data2";
46*4882a593Smuzhiyun		function = "qspi";
47*4882a593Smuzhiyun	};
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun	sdhi0_pins: sd0 {
50*4882a593Smuzhiyun		groups = "sdhi0_data4", "sdhi0_ctrl";
51*4882a593Smuzhiyun		function = "sdhi0";
52*4882a593Smuzhiyun		power-source = <3300>;
53*4882a593Smuzhiyun	};
54*4882a593Smuzhiyun};
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun&mmcif0 {
57*4882a593Smuzhiyun	pinctrl-0 = <&mmcif0_pins>;
58*4882a593Smuzhiyun	pinctrl-names = "default";
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun	vmmc-supply = <&reg_3p3v>;
61*4882a593Smuzhiyun	bus-width = <8>;
62*4882a593Smuzhiyun	non-removable;
63*4882a593Smuzhiyun	status = "okay";
64*4882a593Smuzhiyun};
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun&qspi {
67*4882a593Smuzhiyun	pinctrl-0 = <&qspi_pins>;
68*4882a593Smuzhiyun	pinctrl-names = "default";
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun	status = "okay";
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun	/* WARNING - This device contains the bootloader. Handle with care. */
73*4882a593Smuzhiyun	flash: flash@0 {
74*4882a593Smuzhiyun		#address-cells = <1>;
75*4882a593Smuzhiyun		#size-cells = <1>;
76*4882a593Smuzhiyun		compatible = "sst,sst25vf016b", "jedec,spi-nor";
77*4882a593Smuzhiyun		reg = <0>;
78*4882a593Smuzhiyun		spi-max-frequency = <50000000>;
79*4882a593Smuzhiyun		spi-tx-bus-width = <1>;
80*4882a593Smuzhiyun		spi-rx-bus-width = <1>;
81*4882a593Smuzhiyun		m25p,fast-read;
82*4882a593Smuzhiyun		spi-cpol;
83*4882a593Smuzhiyun		spi-cpha;
84*4882a593Smuzhiyun	};
85*4882a593Smuzhiyun};
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun&sdhi0 {
88*4882a593Smuzhiyun	pinctrl-0 = <&sdhi0_pins>;
89*4882a593Smuzhiyun	pinctrl-names = "default";
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun	vmmc-supply = <&reg_3p3v>;
92*4882a593Smuzhiyun	vqmmc-supply = <&reg_3p3v>;
93*4882a593Smuzhiyun	cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
94*4882a593Smuzhiyun	status = "okay";
95*4882a593Smuzhiyun};
96