1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd 4 * 5 */ 6 7/dts-v1/; 8#include <dt-bindings/input/input.h> 9#include "rk3308.dtsi" 10 11/ { 12 model = "Rockchip RK3308 EVB"; 13 compatible = "rockchip,rk3308-evb", "rockchip,rk3308"; 14 15 chosen { 16 stdout-path = "serial4:1500000n8"; 17 }; 18 19 adc-keys0 { 20 compatible = "adc-keys"; 21 io-channels = <&saradc 0>; 22 io-channel-names = "buttons"; 23 poll-interval = <100>; 24 keyup-threshold-microvolt = <1800000>; 25 26 func-key { 27 linux,code = <KEY_FN>; 28 label = "function"; 29 press-threshold-microvolt = <18000>; 30 }; 31 }; 32 33 adc-keys1 { 34 compatible = "adc-keys"; 35 io-channels = <&saradc 1>; 36 io-channel-names = "buttons"; 37 poll-interval = <100>; 38 keyup-threshold-microvolt = <1800000>; 39 40 esc-key { 41 linux,code = <KEY_MICMUTE>; 42 label = "micmute"; 43 press-threshold-microvolt = <1130000>; 44 }; 45 46 home-key { 47 linux,code = <KEY_MODE>; 48 label = "mode"; 49 press-threshold-microvolt = <901000>; 50 }; 51 52 menu-key { 53 linux,code = <KEY_PLAY>; 54 label = "play"; 55 press-threshold-microvolt = <624000>; 56 }; 57 58 vol-down-key { 59 linux,code = <KEY_VOLUMEDOWN>; 60 label = "volume down"; 61 press-threshold-microvolt = <300000>; 62 }; 63 64 vol-up-key { 65 linux,code = <KEY_VOLUMEUP>; 66 label = "volume up"; 67 press-threshold-microvolt = <18000>; 68 }; 69 }; 70 71 gpio-keys { 72 compatible = "gpio-keys"; 73 autorepeat; 74 75 pinctrl-names = "default"; 76 pinctrl-0 = <&pwr_key>; 77 78 power { 79 gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>; 80 linux,code = <KEY_POWER>; 81 label = "GPIO Key Power"; 82 wakeup-source; 83 debounce-interval = <100>; 84 }; 85 }; 86 87 vcc12v_dcin: vcc12v-dcin { 88 compatible = "regulator-fixed"; 89 regulator-name = "vcc12v_dcin"; 90 regulator-always-on; 91 regulator-boot-on; 92 regulator-min-microvolt = <12000000>; 93 regulator-max-microvolt = <12000000>; 94 }; 95 96 vcc5v0_sys: vcc5v0-sys { 97 compatible = "regulator-fixed"; 98 regulator-name = "vcc5v0_sys"; 99 regulator-always-on; 100 regulator-boot-on; 101 regulator-min-microvolt = <5000000>; 102 regulator-max-microvolt = <5000000>; 103 vin-supply = <&vcc12v_dcin>; 104 }; 105 106 vdd_core: vdd-core { 107 compatible = "pwm-regulator"; 108 pwms = <&pwm0 0 5000 1>; 109 regulator-name = "vdd_core"; 110 regulator-min-microvolt = <827000>; 111 regulator-max-microvolt = <1340000>; 112 regulator-always-on; 113 regulator-boot-on; 114 regulator-settling-time-up-us = <250>; 115 pwm-supply = <&vcc5v0_sys>; 116 }; 117 118 vdd_log: vdd-log { 119 compatible = "regulator-fixed"; 120 regulator-name = "vdd_log"; 121 regulator-always-on; 122 regulator-boot-on; 123 regulator-min-microvolt = <1050000>; 124 regulator-max-microvolt = <1050000>; 125 vin-supply = <&vcc5v0_sys>; 126 }; 127 128 vdd_1v0: vdd-1v0 { 129 compatible = "regulator-fixed"; 130 regulator-name = "vdd_1v0"; 131 regulator-always-on; 132 regulator-boot-on; 133 regulator-min-microvolt = <1000000>; 134 regulator-max-microvolt = <1000000>; 135 vin-supply = <&vcc5v0_sys>; 136 }; 137 138 vccio_sdio: vcc_1v8: vcc-1v8 { 139 compatible = "regulator-fixed"; 140 regulator-name = "vcc_1v8"; 141 regulator-always-on; 142 regulator-boot-on; 143 regulator-min-microvolt = <1800000>; 144 regulator-max-microvolt = <1800000>; 145 vin-supply = <&vcc_io>; 146 }; 147 148 vcc_ddr: vcc-ddr { 149 compatible = "regulator-fixed"; 150 regulator-name = "vcc_ddr"; 151 regulator-always-on; 152 regulator-boot-on; 153 regulator-min-microvolt = <1500000>; 154 regulator-max-microvolt = <1500000>; 155 vin-supply = <&vcc5v0_sys>; 156 }; 157 158 vcc_io: vcc-io { 159 compatible = "regulator-fixed"; 160 regulator-name = "vcc_io"; 161 regulator-always-on; 162 regulator-boot-on; 163 regulator-min-microvolt = <3300000>; 164 regulator-max-microvolt = <3300000>; 165 vin-supply = <&vcc5v0_sys>; 166 }; 167 168 vccio_flash: vccio-flash { 169 compatible = "regulator-fixed"; 170 regulator-name = "vccio_flash"; 171 regulator-always-on; 172 regulator-boot-on; 173 regulator-min-microvolt = <3300000>; 174 regulator-max-microvolt = <3300000>; 175 vin-supply = <&vcc_io>; 176 }; 177 178 vcc5v0_host: vcc5v0-host { 179 compatible = "regulator-fixed"; 180 enable-active-high; 181 gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>; 182 pinctrl-names = "default"; 183 pinctrl-0 = <&usb_drv>; 184 regulator-name = "vbus_host"; 185 vin-supply = <&vcc5v0_sys>; 186 }; 187}; 188 189&cpu0 { 190 cpu-supply = <&vdd_core>; 191}; 192 193&saradc { 194 status = "okay"; 195 vref-supply = <&vcc_1v8>; 196}; 197 198&pinctrl { 199 pinctrl-names = "default"; 200 pinctrl-0 = <&rtc_32k>; 201 202 buttons { 203 pwr_key: pwr-key { 204 rockchip,pins = <0 RK_PA6 0 &pcfg_pull_up>; 205 }; 206 }; 207 208 usb { 209 usb_drv: usb-drv { 210 rockchip,pins = <0 RK_PC5 0 &pcfg_pull_none>; 211 }; 212 }; 213 214 sdio-pwrseq { 215 wifi_enable_h: wifi-enable-h { 216 rockchip,pins = <0 RK_PA2 0 &pcfg_pull_none>; 217 }; 218 }; 219}; 220 221&pwm0 { 222 status = "okay"; 223 pinctrl-0 = <&pwm0_pin_pull_down>; 224}; 225 226&uart4 { 227 pinctrl-names = "default"; 228 pinctrl-0 = <&uart4_xfer>; 229 status = "okay"; 230}; 231