0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * (C) Copyright 2020 Chen-Yu Tsai <wens@csie.org>
0004 *
0005 * Based on ./rk3328-rock64.dts, which is
0006 *
0007 * Copyright (c) 2017 PINE64
0008 */
0009
0010 /dts-v1/;
0011
0012 #include <dt-bindings/gpio/gpio.h>
0013 #include <dt-bindings/input/input.h>
0014 #include <dt-bindings/leds/common.h>
0015 #include <dt-bindings/pinctrl/rockchip.h>
0016
0017 #include "rk3328.dtsi"
0018
0019 / {
0020 model = "Radxa ROCK Pi E";
0021 compatible = "radxa,rockpi-e", "rockchip,rk3328";
0022
0023 aliases {
0024 mmc0 = &sdmmc;
0025 mmc1 = &emmc;
0026 };
0027
0028 chosen {
0029 stdout-path = "serial2:1500000n8";
0030 };
0031
0032 adc-keys {
0033 compatible = "adc-keys";
0034 io-channels = <&saradc 0>;
0035 io-channel-names = "buttons";
0036 keyup-threshold-microvolt = <1750000>;
0037
0038 /* This button is unpopulated out of the factory. */
0039 button-recovery {
0040 label = "Recovery";
0041 linux,code = <KEY_VENDOR>;
0042 press-threshold-microvolt = <10000>;
0043 };
0044 };
0045
0046 gmac_clkin: external-gmac-clock {
0047 compatible = "fixed-clock";
0048 clock-frequency = <125000000>;
0049 clock-output-names = "gmac_clkin";
0050 #clock-cells = <0>;
0051 };
0052
0053 leds {
0054 compatible = "gpio-leds";
0055 pinctrl-0 = <&led_pin>;
0056 pinctrl-names = "default";
0057
0058 led-0 {
0059 color = <LED_COLOR_ID_BLUE>;
0060 gpios = <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>;
0061 linux,default-trigger = "heartbeat";
0062 };
0063 };
0064
0065 vcc_sd: sdmmc-regulator {
0066 compatible = "regulator-fixed";
0067 gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
0068 pinctrl-names = "default";
0069 pinctrl-0 = <&sdmmc0m1_pin>;
0070 regulator-name = "vcc_sd";
0071 regulator-boot-on;
0072 vin-supply = <&vcc_io>;
0073 };
0074
0075 vcc_host_5v: vcc-host-5v-regulator {
0076 compatible = "regulator-fixed";
0077 gpio = <&gpio3 RK_PA7 GPIO_ACTIVE_HIGH>;
0078 pinctrl-names = "default";
0079 pinctrl-0 = <&usb30_host_drv>;
0080 enable-active-high;
0081 regulator-name = "vcc_host_5v";
0082 regulator-always-on;
0083 regulator-boot-on;
0084 vin-supply = <&vcc_sys>;
0085 };
0086
0087 vcc_sys: vcc-sys {
0088 compatible = "regulator-fixed";
0089 regulator-name = "vcc_sys";
0090 regulator-always-on;
0091 regulator-boot-on;
0092 regulator-min-microvolt = <5000000>;
0093 regulator-max-microvolt = <5000000>;
0094 };
0095
0096 vcc_wifi: vcc-wifi-regulator {
0097 compatible = "regulator-fixed";
0098 gpio = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
0099 pinctrl-names = "default";
0100 pinctrl-0 = <&wifi_en>;
0101 regulator-name = "vcc_wifi";
0102 regulator-always-on;
0103 regulator-boot-on;
0104 vin-supply = <&vcc_io>;
0105 };
0106 };
0107
0108 &analog_sound {
0109 status = "okay";
0110 };
0111
0112 &codec {
0113 status = "okay";
0114 };
0115
0116 &cpu0 {
0117 cpu-supply = <&vdd_arm>;
0118 };
0119
0120 &cpu1 {
0121 cpu-supply = <&vdd_arm>;
0122 };
0123
0124 &cpu2 {
0125 cpu-supply = <&vdd_arm>;
0126 };
0127
0128 &cpu3 {
0129 cpu-supply = <&vdd_arm>;
0130 };
0131
0132 &emmc {
0133 bus-width = <8>;
0134 cap-mmc-highspeed;
0135 mmc-ddr-1_8v;
0136 mmc-hs200-1_8v;
0137 non-removable;
0138 pinctrl-names = "default";
0139 pinctrl-0 = <&emmc_clk>, <&emmc_cmd>, <&emmc_bus8>;
0140 vmmc-supply = <&vcc_io>;
0141 vqmmc-supply = <&vcc18_emmc>;
0142 status = "okay";
0143 };
0144
0145 &gmac2io {
0146 assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
0147 assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
0148 clock_in_out = "input";
0149 phy-handle = <&rtl8211e>;
0150 phy-mode = "rgmii";
0151 phy-supply = <&vcc_io>;
0152 pinctrl-names = "default";
0153 pinctrl-0 = <&rgmiim1_pins>;
0154 snps,aal;
0155 snps,rxpbl = <0x4>;
0156 snps,txpbl = <0x4>;
0157 tx_delay = <0x26>;
0158 rx_delay = <0x11>;
0159 status = "okay";
0160
0161 mdio {
0162 compatible = "snps,dwmac-mdio";
0163 #address-cells = <1>;
0164 #size-cells = <0>;
0165
0166 rtl8211e: ethernet-phy@1 {
0167 reg = <1>;
0168 pinctrl-0 = <ð_phy_int_pin>, <ð_phy_reset_pin>;
0169 pinctrl-names = "default";
0170 interrupt-parent = <&gpio1>;
0171 interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
0172 reset-assert-us = <10000>;
0173 reset-deassert-us = <50000>;
0174 reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
0175 };
0176 };
0177 };
0178
0179 &gmac2phy {
0180 status = "okay";
0181 };
0182
0183 &i2c1 {
0184 status = "okay";
0185
0186 rk805: pmic@18 {
0187 compatible = "rockchip,rk805";
0188 reg = <0x18>;
0189 interrupt-parent = <&gpio2>;
0190 interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
0191 #clock-cells = <1>;
0192 clock-output-names = "xin32k", "rk805-clkout2";
0193 gpio-controller;
0194 #gpio-cells = <2>;
0195 pinctrl-names = "default";
0196 pinctrl-0 = <&pmic_int_l>;
0197 rockchip,system-power-controller;
0198 wakeup-source;
0199
0200 vcc1-supply = <&vcc_sys>;
0201 vcc2-supply = <&vcc_sys>;
0202 vcc3-supply = <&vcc_sys>;
0203 vcc4-supply = <&vcc_sys>;
0204 vcc5-supply = <&vcc_io>;
0205 vcc6-supply = <&vcc_sys>;
0206
0207 regulators {
0208 vdd_log: DCDC_REG1 {
0209 regulator-name = "vdd_log";
0210 regulator-always-on;
0211 regulator-boot-on;
0212 regulator-min-microvolt = <712500>;
0213 regulator-max-microvolt = <1450000>;
0214 regulator-ramp-delay = <12500>;
0215
0216 regulator-state-mem {
0217 regulator-on-in-suspend;
0218 regulator-suspend-microvolt = <1000000>;
0219 };
0220 };
0221
0222 vdd_arm: DCDC_REG2 {
0223 regulator-name = "vdd_arm";
0224 regulator-always-on;
0225 regulator-boot-on;
0226 regulator-min-microvolt = <712500>;
0227 regulator-max-microvolt = <1450000>;
0228 regulator-ramp-delay = <12500>;
0229
0230 regulator-state-mem {
0231 regulator-on-in-suspend;
0232 regulator-suspend-microvolt = <950000>;
0233 };
0234 };
0235
0236 vcc_ddr: DCDC_REG3 {
0237 regulator-name = "vcc_ddr";
0238 regulator-always-on;
0239 regulator-boot-on;
0240
0241 regulator-state-mem {
0242 regulator-on-in-suspend;
0243 };
0244 };
0245
0246 vcc_io: DCDC_REG4 {
0247 regulator-name = "vcc_io";
0248 regulator-always-on;
0249 regulator-boot-on;
0250 regulator-min-microvolt = <3300000>;
0251 regulator-max-microvolt = <3300000>;
0252
0253 regulator-state-mem {
0254 regulator-on-in-suspend;
0255 regulator-suspend-microvolt = <3300000>;
0256 };
0257 };
0258
0259 vcc_18: LDO_REG1 {
0260 regulator-name = "vcc_18";
0261 regulator-always-on;
0262 regulator-boot-on;
0263 regulator-min-microvolt = <1800000>;
0264 regulator-max-microvolt = <1800000>;
0265
0266 regulator-state-mem {
0267 regulator-on-in-suspend;
0268 regulator-suspend-microvolt = <1800000>;
0269 };
0270 };
0271
0272 vcc18_emmc: LDO_REG2 {
0273 regulator-name = "vcc18_emmc";
0274 regulator-always-on;
0275 regulator-boot-on;
0276 regulator-min-microvolt = <1800000>;
0277 regulator-max-microvolt = <1800000>;
0278
0279 regulator-state-mem {
0280 regulator-on-in-suspend;
0281 regulator-suspend-microvolt = <1800000>;
0282 };
0283 };
0284
0285 vdd_10: LDO_REG3 {
0286 regulator-name = "vdd_10";
0287 regulator-always-on;
0288 regulator-boot-on;
0289 regulator-min-microvolt = <1000000>;
0290 regulator-max-microvolt = <1000000>;
0291
0292 regulator-state-mem {
0293 regulator-on-in-suspend;
0294 regulator-suspend-microvolt = <1000000>;
0295 };
0296 };
0297 };
0298 };
0299 };
0300
0301 &i2s1 {
0302 status = "okay";
0303 };
0304
0305 &io_domains {
0306 pmuio-supply = <&vcc_io>;
0307 vccio1-supply = <&vcc_io>;
0308 vccio2-supply = <&vcc18_emmc>;
0309 vccio3-supply = <&vcc_io>;
0310 vccio4-supply = <&vcc_io>;
0311 vccio5-supply = <&vcc_io>;
0312 vccio6-supply = <&vcc_io>;
0313 status = "okay";
0314 };
0315
0316 &pinctrl {
0317 ephy {
0318 eth_phy_int_pin: eth-phy-int-pin {
0319 rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_down>;
0320 };
0321
0322 eth_phy_reset_pin: eth-phy-reset-pin {
0323 rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
0324 };
0325 };
0326
0327 leds {
0328 led_pin: led-pin {
0329 rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
0330 };
0331 };
0332
0333 pmic {
0334 pmic_int_l: pmic-int-l {
0335 rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
0336 };
0337 };
0338
0339 usb3 {
0340 usb30_host_drv: usb30-host-drv {
0341 rockchip,pins = <3 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
0342 };
0343 };
0344
0345 wifi {
0346 wifi_en: wifi-en {
0347 rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
0348 };
0349 };
0350 };
0351
0352 &sdmmc {
0353 bus-width = <4>;
0354 cap-sd-highspeed;
0355 disable-wp;
0356 pinctrl-names = "default";
0357 pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
0358 vmmc-supply = <&vcc_sd>;
0359 status = "okay";
0360 };
0361
0362 &saradc {
0363 vref-supply = <&vcc_18>;
0364 status = "okay";
0365 };
0366
0367 &tsadc {
0368 status = "okay";
0369 };
0370
0371 &u2phy {
0372 status = "okay";
0373 };
0374
0375 &u2phy_host {
0376 status = "okay";
0377 };
0378
0379 &uart2 {
0380 status = "okay";
0381 };
0382
0383 &usbdrd3 {
0384 dr_mode = "host";
0385 status = "okay";
0386 };
0387
0388 &usb_host0_ehci {
0389 status = "okay";
0390 };
