arch/arm64/boot/dts/rockchip/rk3308-evb.dts

   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                         debounce-interval = <100>;
  83                         wakeup-source;
  84                 };
  85         };
  86
  87         vcc12v_dcin: vcc12v-dcin {
  88                 compatible = "regulator-fixed";
  89                 regulator-name = "vcc12v_dcin";
  90                 regulator-min-microvolt = <12000000>;
  91                 regulator-max-microvolt = <12000000>;
  92                 regulator-always-on;
  93                 regulator-boot-on;
  94         };
  95
  96         vcc5v0_sys: vcc5v0-sys {
  97                 compatible = "regulator-fixed";
  98                 regulator-name = "vcc5v0_sys";
  99                 regulator-min-microvolt = <5000000>;
 100                 regulator-max-microvolt = <5000000>;
 101                 regulator-always-on;
 102                 regulator-boot-on;
 103                 vin-supply = <&vcc12v_dcin>;
 104         };
 105
 106         vccio_sdio: vcc_1v8: vcc-1v8 {
 107                 compatible = "regulator-fixed";
 108                 regulator-name = "vcc_1v8";
 109                 regulator-min-microvolt = <1800000>;
 110                 regulator-max-microvolt = <1800000>;
 111                 regulator-always-on;
 112                 regulator-boot-on;
 113                 vin-supply = <&vcc_io>;
 114         };
 115
 116         vcc_ddr: vcc-ddr {
 117                 compatible = "regulator-fixed";
 118                 regulator-name = "vcc_ddr";
 119                 regulator-min-microvolt = <1500000>;
 120                 regulator-max-microvolt = <1500000>;
 121                 regulator-always-on;
 122                 regulator-boot-on;
 123                 vin-supply = <&vcc5v0_sys>;
 124         };
 125
 126         vcc_io: vcc-io {
 127                 compatible = "regulator-fixed";
 128                 regulator-name = "vcc_io";
 129                 regulator-min-microvolt = <3300000>;
 130                 regulator-max-microvolt = <3300000>;
 131                 regulator-always-on;
 132                 regulator-boot-on;
 133                 vin-supply = <&vcc5v0_sys>;
 134         };
 135
 136         vccio_flash: vccio-flash {
 137                 compatible = "regulator-fixed";
 138                 regulator-name = "vccio_flash";
 139                 regulator-min-microvolt = <3300000>;
 140                 regulator-max-microvolt = <3300000>;
 141                 regulator-always-on;
 142                 regulator-boot-on;
 143                 vin-supply = <&vcc_io>;
 144         };
 145
 146         vcc5v0_host: vcc5v0-host {
 147                 compatible = "regulator-fixed";
 148                 gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
 149                 enable-active-high;
 150                 pinctrl-names = "default";
 151                 pinctrl-0 = <&usb_drv>;
 152                 regulator-name = "vbus_host";
 153                 vin-supply = <&vcc5v0_sys>;
 154         };
 155
 156         vdd_core: vdd-core {
 157                 compatible = "pwm-regulator";
 158                 pwms = <&pwm0 0 5000 1>;
 159                 regulator-name = "vdd_core";
 160                 regulator-min-microvolt = <827000>;
 161                 regulator-max-microvolt = <1340000>;
 162                 regulator-always-on;
 163                 regulator-boot-on;
 164                 regulator-settling-time-up-us = <250>;
 165                 pwm-supply = <&vcc5v0_sys>;
 166         };
 167
 168         vdd_log: vdd-log {
 169                 compatible = "regulator-fixed";
 170                 regulator-name = "vdd_log";
 171                 regulator-min-microvolt = <1050000>;
 172                 regulator-max-microvolt = <1050000>;
 173                 regulator-always-on;
 174                 regulator-boot-on;
 175                 vin-supply = <&vcc5v0_sys>;
 176         };
 177
 178         vdd_1v0: vdd-1v0 {
 179                 compatible = "regulator-fixed";
 180                 regulator-name = "vdd_1v0";
 181                 regulator-min-microvolt = <1000000>;
 182                 regulator-max-microvolt = <1000000>;
 183                 regulator-always-on;
 184                 regulator-boot-on;
 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 };