1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3 * Copyright (C) 2021 MediaTek Inc.
4 * Author: Seiya Wang <seiya.wang@mediatek.com>
5 */
6 /dts-v1/;
7 #include "mt8195.dtsi"
8
9 / {
10 model = "MediaTek MT8195 evaluation board";
11 compatible = "mediatek,mt8195-evb", "mediatek,mt8195";
12
13 aliases {
14 serial0 = &uart0;
15 };
16
17 chosen {
18 stdout-path = "serial0:921600n8";
19 };
20
21 memory@40000000 {
22 device_type = "memory";
23 reg = <0 0x40000000 0 0x80000000>;
24 };
25 };
26
27 &auxadc {
28 status = "okay";
29 };
30
31 &i2c0 {
32 pinctrl-names = "default";
33 pinctrl-0 = <&i2c0_pin>;
34 clock-frequency = <100000>;
35 status = "okay";
36 };
37
38 &i2c1 {
39 pinctrl-names = "default";
40 pinctrl-0 = <&i2c1_pin>;
41 clock-frequency = <400000>;
42 status = "okay";
43 };
44
45 &i2c4 {
46 pinctrl-names = "default";
47 pinctrl-0 = <&i2c4_pin>;
48 clock-frequency = <400000>;
49 status = "okay";
50 };
51
52 &i2c6 {
53 pinctrl-names = "default";
54 pinctrl-0 = <&i2c6_pin>;
55 clock-frequency = <400000>;
56 status = "okay";
57 };
58
59 &nor_flash {
60 status = "okay";
61 pinctrl-names = "default";
62 pinctrl-0 = <&nor_pins_default>;
63
64 flash@0 {
65 compatible = "jedec,spi-nor";
66 reg = <0>;
67 spi-max-frequency = <50000000>;
68 };
69 };
70
71 &pio {
72 i2c0_pin: i2c0-pins {
73 pins {
74 pinmux = <PINMUX_GPIO8__FUNC_SDA0>,
75 <PINMUX_GPIO9__FUNC_SCL0>;
76 bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
77 drive-strength = <6>;
78 };
79 };
80
81 i2c1_pin: i2c1-pins {
82 pins {
83 pinmux = <PINMUX_GPIO10__FUNC_SDA1>,
84 <PINMUX_GPIO11__FUNC_SCL1>;
85 bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
86 drive-strength = <6>;
87 };
88 };
89
90 i2c4_pin: i2c4-pins {
91 pins {
92 pinmux = <PINMUX_GPIO16__FUNC_SDA4>,
93 <PINMUX_GPIO17__FUNC_SCL4>;
94 bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
95 drive-strength-microamp = <1000>;
96 };
97 };
98
99 i2c6_pin: i2c6-pins {
100 pins {
101 pinmux = <PINMUX_GPIO25__FUNC_SDA6>,
102 <PINMUX_GPIO26__FUNC_SCL6>;
103 bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
104 };
105 };
106
107 i2c7_pin: i2c7-pins {
108 pins {
109 pinmux = <PINMUX_GPIO27__FUNC_SCL7>,
110 <PINMUX_GPIO28__FUNC_SDA7>;
111 bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
112 };
113 };
114
115 nor_pins_default: nor-pins {
116 pins0 {
117 pinmux = <PINMUX_GPIO142__FUNC_SPINOR_IO0>,
118 <PINMUX_GPIO141__FUNC_SPINOR_CK>,
119 <PINMUX_GPIO143__FUNC_SPINOR_IO1>;
120 bias-pull-down;
121 };
122
123 pins1 {
124 pinmux = <PINMUX_GPIO140__FUNC_SPINOR_CS>,
125 <PINMUX_GPIO130__FUNC_SPINOR_IO2>,
126 <PINMUX_GPIO131__FUNC_SPINOR_IO3>;
127 bias-pull-up;
128 };
129 };
130
131 uart0_pin: uart0-pins {
132 pins {
133 pinmux = <PINMUX_GPIO98__FUNC_UTXD0>,
134 <PINMUX_GPIO99__FUNC_URXD0>;
135 };
136 };
137 };
138
139 &u3phy0 {
140 status = "okay";
141 };
142
143 &u3phy1 {
144 status = "okay";
145 };
146
147 &u3phy2 {
148 status = "okay";
149 };
150
151 &u3phy3 {
152 status = "okay";
153 };
154
155 &uart0 {
156 pinctrl-names = "default";
157 pinctrl-0 = <&uart0_pin>;
158 status = "okay";
159 };
160
161 &ssusb0 {
162 status = "okay";
163 };
164
165 &ssusb2 {
166 status = "okay";
167 };
168
169 &ssusb3 {
170 status = "okay";
171 };
172
173 &xhci0 {
174 status = "okay";
175 };
176
177 &xhci1 {
178 status = "okay";
179 };
180
181 &xhci2 {
182 status = "okay";
183 };
184
185 &xhci3 {
186 /* This controller is connected with a BT device.
187 * Disable usb2 lpm to prevent known issues.
188 */
189 usb2-lpm-disable;
190 status = "okay";
191 };
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