0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (c) 2020 David Bauer <mail@david-bauer.net>
0004 */
0005
0006 /dts-v1/;
0007
0008 #include <dt-bindings/input/input.h>
0009 #include <dt-bindings/gpio/gpio.h>
0010 #include "rk3328.dtsi"
0011
0012 / {
0013 model = "FriendlyElec NanoPi R2S";
0014 compatible = "friendlyarm,nanopi-r2s", "rockchip,rk3328";
0015
0016 aliases {
0017 ethernet1 = &rtl8153;
0018 mmc0 = &sdmmc;
0019 };
0020
0021 chosen {
0022 stdout-path = "serial2:1500000n8";
0023 };
0024
0025 gmac_clk: gmac-clock {
0026 compatible = "fixed-clock";
0027 clock-frequency = <125000000>;
0028 clock-output-names = "gmac_clkin";
0029 #clock-cells = <0>;
0030 };
0031
0032 keys {
0033 compatible = "gpio-keys";
0034 pinctrl-0 = <&reset_button_pin>;
0035 pinctrl-names = "default";
0036
0037 key-reset {
0038 label = "reset";
0039 gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
0040 linux,code = <KEY_RESTART>;
0041 debounce-interval = <50>;
0042 };
0043 };
0044
0045 leds {
0046 compatible = "gpio-leds";
0047 pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
0048 pinctrl-names = "default";
0049
0050 lan_led: led-0 {
0051 gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
0052 label = "nanopi-r2s:green:lan";
0053 };
0054
0055 sys_led: led-1 {
0056 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
0057 label = "nanopi-r2s:red:sys";
0058 default-state = "on";
0059 };
0060
0061 wan_led: led-2 {
0062 gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
0063 label = "nanopi-r2s:green:wan";
0064 };
0065 };
0066
0067 vcc_io_sdio: sdmmcio-regulator {
0068 compatible = "regulator-gpio";
0069 enable-active-high;
0070 gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
0071 pinctrl-0 = <&sdio_vcc_pin>;
0072 pinctrl-names = "default";
0073 regulator-name = "vcc_io_sdio";
0074 regulator-always-on;
0075 regulator-min-microvolt = <1800000>;
0076 regulator-max-microvolt = <3300000>;
0077 regulator-settling-time-us = <5000>;
0078 regulator-type = "voltage";
0079 startup-delay-us = <2000>;
0080 states = <1800000 0x1>,
0081 <3300000 0x0>;
0082 vin-supply = <&vcc_io_33>;
0083 };
0084
0085 vcc_sd: sdmmc-regulator {
0086 compatible = "regulator-fixed";
0087 gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
0088 pinctrl-0 = <&sdmmc0m1_pin>;
0089 pinctrl-names = "default";
0090 regulator-name = "vcc_sd";
0091 regulator-boot-on;
0092 regulator-min-microvolt = <3300000>;
0093 regulator-max-microvolt = <3300000>;
0094 vin-supply = <&vcc_io_33>;
0095 };
0096
0097 vdd_5v: vdd-5v {
0098 compatible = "regulator-fixed";
0099 regulator-name = "vdd_5v";
0100 regulator-always-on;
0101 regulator-boot-on;
0102 regulator-min-microvolt = <5000000>;
0103 regulator-max-microvolt = <5000000>;
0104 };
0105
0106 vdd_5v_lan: vdd-5v-lan {
0107 compatible = "regulator-fixed";
0108 enable-active-high;
0109 gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
0110 pinctrl-0 = <&lan_vdd_pin>;
0111 pinctrl-names = "default";
0112 regulator-name = "vdd_5v_lan";
0113 regulator-always-on;
0114 regulator-boot-on;
0115 vin-supply = <&vdd_5v>;
0116 };
0117 };
0118
0119 &cpu0 {
0120 cpu-supply = <&vdd_arm>;
0121 };
0122
0123 &cpu1 {
0124 cpu-supply = <&vdd_arm>;
0125 };
0126
0127 &cpu2 {
0128 cpu-supply = <&vdd_arm>;
0129 };
0130
0131 &cpu3 {
0132 cpu-supply = <&vdd_arm>;
0133 };
0134
0135 &display_subsystem {
0136 status = "disabled";
0137 };
0138
0139 &gmac2io {
0140 assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
0141 assigned-clock-parents = <&gmac_clk>, <&gmac_clk>;
0142 clock_in_out = "input";
0143 phy-handle = <&rtl8211e>;
0144 phy-mode = "rgmii";
0145 phy-supply = <&vcc_io_33>;
0146 pinctrl-0 = <&rgmiim1_pins>;
0147 pinctrl-names = "default";
0148 rx_delay = <0x18>;
0149 snps,aal;
0150 tx_delay = <0x24>;
0151 status = "okay";
0152
0153 mdio {
0154 compatible = "snps,dwmac-mdio";
0155 #address-cells = <1>;
0156 #size-cells = <0>;
0157
0158 rtl8211e: ethernet-phy@1 {
0159 reg = <1>;
0160 pinctrl-0 = <ð_phy_reset_pin>;
0161 pinctrl-names = "default";
0162 reset-assert-us = <10000>;
0163 reset-deassert-us = <50000>;
0164 reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
0165 };
0166 };
0167 };
0168
0169 &i2c1 {
0170 status = "okay";
0171
0172 rk805: pmic@18 {
0173 compatible = "rockchip,rk805";
0174 reg = <0x18>;
0175 interrupt-parent = <&gpio1>;
0176 interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
0177 #clock-cells = <1>;
0178 clock-output-names = "xin32k", "rk805-clkout2";
0179 gpio-controller;
0180 #gpio-cells = <2>;
0181 pinctrl-0 = <&pmic_int_l>;
0182 pinctrl-names = "default";
0183 rockchip,system-power-controller;
0184 wakeup-source;
0185
0186 vcc1-supply = <&vdd_5v>;
0187 vcc2-supply = <&vdd_5v>;
0188 vcc3-supply = <&vdd_5v>;
0189 vcc4-supply = <&vdd_5v>;
0190 vcc5-supply = <&vcc_io_33>;
0191 vcc6-supply = <&vdd_5v>;
0192
0193 regulators {
0194 vdd_log: DCDC_REG1 {
0195 regulator-name = "vdd_log";
0196 regulator-always-on;
0197 regulator-boot-on;
0198 regulator-min-microvolt = <712500>;
0199 regulator-max-microvolt = <1450000>;
0200 regulator-ramp-delay = <12500>;
0201
0202 regulator-state-mem {
0203 regulator-on-in-suspend;
0204 regulator-suspend-microvolt = <1000000>;
0205 };
0206 };
0207
0208 vdd_arm: DCDC_REG2 {
0209 regulator-name = "vdd_arm";
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 = <950000>;
0219 };
0220 };
0221
0222 vcc_ddr: DCDC_REG3 {
0223 regulator-name = "vcc_ddr";
0224 regulator-always-on;
0225 regulator-boot-on;
0226
0227 regulator-state-mem {
0228 regulator-on-in-suspend;
0229 };
0230 };
0231
0232 vcc_io_33: DCDC_REG4 {
0233 regulator-name = "vcc_io_33";
0234 regulator-always-on;
0235 regulator-boot-on;
0236 regulator-min-microvolt = <3300000>;
0237 regulator-max-microvolt = <3300000>;
0238
0239 regulator-state-mem {
0240 regulator-on-in-suspend;
0241 regulator-suspend-microvolt = <3300000>;
0242 };
0243 };
0244
0245 vcc_18: LDO_REG1 {
0246 regulator-name = "vcc_18";
0247 regulator-always-on;
0248 regulator-boot-on;
0249 regulator-min-microvolt = <1800000>;
0250 regulator-max-microvolt = <1800000>;
0251
0252 regulator-state-mem {
0253 regulator-on-in-suspend;
0254 regulator-suspend-microvolt = <1800000>;
0255 };
0256 };
0257
0258 vcc18_emmc: LDO_REG2 {
0259 regulator-name = "vcc18_emmc";
0260 regulator-always-on;
0261 regulator-boot-on;
0262 regulator-min-microvolt = <1800000>;
0263 regulator-max-microvolt = <1800000>;
0264
0265 regulator-state-mem {
0266 regulator-on-in-suspend;
0267 regulator-suspend-microvolt = <1800000>;
0268 };
0269 };
0270
0271 vdd_10: LDO_REG3 {
0272 regulator-name = "vdd_10";
0273 regulator-always-on;
0274 regulator-boot-on;
0275 regulator-min-microvolt = <1000000>;
0276 regulator-max-microvolt = <1000000>;
0277
0278 regulator-state-mem {
0279 regulator-on-in-suspend;
0280 regulator-suspend-microvolt = <1000000>;
0281 };
0282 };
0283 };
0284 };
0285 };
0286
0287 &io_domains {
0288 pmuio-supply = <&vcc_io_33>;
0289 vccio1-supply = <&vcc_io_33>;
0290 vccio2-supply = <&vcc18_emmc>;
0291 vccio3-supply = <&vcc_io_sdio>;
0292 vccio4-supply = <&vcc_18>;
0293 vccio5-supply = <&vcc_io_33>;
0294 vccio6-supply = <&vcc_io_33>;
0295 status = "okay";
0296 };
0297
0298 &pinctrl {
0299 button {
0300 reset_button_pin: reset-button-pin {
0301 rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
0302 };
0303 };
0304
0305 gmac2io {
0306 eth_phy_reset_pin: eth-phy-reset-pin {
0307 rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
0308 };
0309 };
0310
0311 leds {
0312 lan_led_pin: lan-led-pin {
0313 rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
0314 };
0315
0316 sys_led_pin: sys-led-pin {
0317 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
0318 };
0319
0320 wan_led_pin: wan-led-pin {
0321 rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
0322 };
0323 };
0324
0325 lan {
0326 lan_vdd_pin: lan-vdd-pin {
0327 rockchip,pins = <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
0328 };
0329 };
0330
0331 pmic {
0332 pmic_int_l: pmic-int-l {
0333 rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
0334 };
0335 };
0336
0337 sd {
0338 sdio_vcc_pin: sdio-vcc-pin {
0339 rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
0340 };
0341 };
0342 };
0343
0344 &pwm2 {
0345 status = "okay";
0346 };
0347
0348 &sdmmc {
0349 bus-width = <4>;
0350 cap-sd-highspeed;
0351 disable-wp;
0352 pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
0353 pinctrl-names = "default";
0354 sd-uhs-sdr12;
0355 sd-uhs-sdr25;
0356 sd-uhs-sdr50;
0357 sd-uhs-sdr104;
0358 vmmc-supply = <&vcc_sd>;
0359 vqmmc-supply = <&vcc_io_sdio>;
0360 status = "okay";
0361 };
0362
0363 &tsadc {
0364 rockchip,hw-tshut-mode = <0>;
0365 rockchip,hw-tshut-polarity = <0>;
0366 status = "okay";
0367 };
0368
0369 &u2phy {
0370 status = "okay";
0371 };
0372
0373 &u2phy_host {
0374 status = "okay";
0375 };
0376
0377 &u2phy_otg {
0378 status = "okay";
0379 };
0380
0381 &uart2 {
0382 status = "okay";
0383 };
0384
0385 &usb20_otg {
0386 status = "okay";
0387 dr_mode = "host";
0388 };
0389
0390 &usbdrd3 {
0391 dr_mode = "host";
0392 status = "okay";
0393 #address-cells = <1>;
0394 #size-cells = <0>;
0395
0396 /* Second port is for USB 3.0 */
0397 rtl8153: device@2 {
0398 compatible = "usbbda,8153";
0399 reg = <2>;
0400 };
0401 };
0402
0403 &usb_host0_ehci {
0404 status = "okay";
0405 };
0406
0407 &usb_host0_ohci {
0408 status = "okay";
0409 };
