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 mediatek,drive-strength-adv = <0>; 78 drive-strength = <6>; 79 }; 80 }; 81 82 i2c1_pin: i2c1-pins { 83 pins { 84 pinmux = <PINMUX_GPIO10__FUNC_SDA1>, 85 <PINMUX_GPIO11__FUNC_SCL1>; 86 bias-pull-up = <MTK_PUPD_SET_R1R0_01>; 87 mediatek,drive-strength-adv = <0>; 88 drive-strength = <6>; 89 }; 90 }; 91 92 i2c4_pin: i2c4-pins { 93 pins { 94 pinmux = <PINMUX_GPIO16__FUNC_SDA4>, 95 <PINMUX_GPIO17__FUNC_SCL4>; 96 bias-pull-up = <MTK_PUPD_SET_R1R0_01>; 97 mediatek,drive-strength-adv = <7>; 98 }; 99 }; 100 101 i2c6_pin: i2c6-pins { 102 pins { 103 pinmux = <PINMUX_GPIO25__FUNC_SDA6>, 104 <PINMUX_GPIO26__FUNC_SCL6>; 105 bias-pull-up = <MTK_PUPD_SET_R1R0_01>; 106 }; 107 }; 108 109 i2c7_pin: i2c7-pins { 110 pins { 111 pinmux = <PINMUX_GPIO27__FUNC_SCL7>, 112 <PINMUX_GPIO28__FUNC_SDA7>; 113 bias-pull-up = <MTK_PUPD_SET_R1R0_01>; 114 }; 115 }; 116 117 nor_pins_default: nor-pins { 118 pins0 { 119 pinmux = <PINMUX_GPIO142__FUNC_SPINOR_IO0>, 120 <PINMUX_GPIO141__FUNC_SPINOR_CK>, 121 <PINMUX_GPIO143__FUNC_SPINOR_IO1>; 122 bias-pull-down; 123 }; 124 125 pins1 { 126 pinmux = <PINMUX_GPIO140__FUNC_SPINOR_CS>, 127 <PINMUX_GPIO130__FUNC_SPINOR_IO2>, 128 <PINMUX_GPIO131__FUNC_SPINOR_IO3>; 129 bias-pull-up; 130 }; 131 }; 132 133 uart0_pin: uart0-pins { 134 pins { 135 pinmux = <PINMUX_GPIO98__FUNC_UTXD0>, 136 <PINMUX_GPIO99__FUNC_URXD0>; 137 }; 138 }; 139}; 140 141&u3phy0 { 142 status="okay"; 143}; 144 145&u3phy1 { 146 status="okay"; 147}; 148 149&u3phy2 { 150 status="okay"; 151}; 152 153&u3phy3 { 154 status="okay"; 155}; 156 157&uart0 { 158 pinctrl-names = "default"; 159 pinctrl-0 = <&uart0_pin>; 160 status = "okay"; 161}; 162 163&xhci0 { 164 status = "okay"; 165}; 166 167&xhci1 { 168 status = "okay"; 169}; 170 171&xhci2 { 172 status = "okay"; 173}; 174 175&xhci3 { 176 /* This controller is connected with a BT device. 177 * Disable usb2 lpm to prevent known issues. 178 */ 179 usb2-lpm-disable; 180 status = "okay"; 181}; 182