0001 /*
0002 * Copyright 2014 Chen-Yu Tsai
0003 *
0004 * Chen-Yu Tsai <wens@csie.org>
0005 *
0006 * This file is dual-licensed: you can use it either under the terms
0007 * of the GPL or the X11 license, at your option. Note that this dual
0008 * licensing only applies to this file, and not this project as a
0009 * whole.
0010 *
0011 * a) This file is free software; you can redistribute it and/or
0012 * modify it under the terms of the GNU General Public License as
0013 * published by the Free Software Foundation; either version 2 of the
0014 * License, or (at your option) any later version.
0015 *
0016 * This file is distributed in the hope that it will be useful,
0017 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0019 * GNU General Public License for more details.
0020 *
0021 * Or, alternatively,
0022 *
0023 * b) Permission is hereby granted, free of charge, to any person
0024 * obtaining a copy of this software and associated documentation
0025 * files (the "Software"), to deal in the Software without
0026 * restriction, including without limitation the rights to use,
0027 * copy, modify, merge, publish, distribute, sublicense, and/or
0028 * sell copies of the Software, and to permit persons to whom the
0029 * Software is furnished to do so, subject to the following
0030 * conditions:
0031 *
0032 * The above copyright notice and this permission notice shall be
0033 * included in all copies or substantial portions of the Software.
0034 *
0035 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0036 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0037 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0038 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0039 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0040 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0041 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0042 * OTHER DEALINGS IN THE SOFTWARE.
0043 */
0044
0045 /dts-v1/;
0046 #include "sun9i-a80.dtsi"
0047
0048 #include <dt-bindings/gpio/gpio.h>
0049
0050 / {
0051 model = "Merrii A80 Optimus Board";
0052 compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
0053
0054 aliases {
0055 serial0 = &uart0;
0056 serial1 = &uart4;
0057 };
0058
0059 chosen {
0060 stdout-path = "serial0:115200n8";
0061 };
0062
0063 leds {
0064 compatible = "gpio-leds";
0065
0066 /* The LED names match those found on the board */
0067 led2 {
0068 label = "optimus:led2:usr";
0069 gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
0070 };
0071
0072 led3 {
0073 label = "optimus:led3:usr";
0074 gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
0075 };
0076
0077 led4 {
0078 label = "optimus:led4:usr";
0079 gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
0080 };
0081 };
0082
0083 reg_usb1_vbus: usb1-vbus {
0084 compatible = "regulator-fixed";
0085 regulator-name = "usb1-vbus";
0086 regulator-min-microvolt = <5000000>;
0087 regulator-max-microvolt = <5000000>;
0088 enable-active-high;
0089 gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
0090 };
0091
0092 reg_usb3_vbus: usb3-vbus {
0093 compatible = "regulator-fixed";
0094 regulator-name = "usb3-vbus";
0095 regulator-min-microvolt = <5000000>;
0096 regulator-max-microvolt = <5000000>;
0097 enable-active-high;
0098 gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
0099 };
0100
0101 wifi_pwrseq: wifi-pwrseq {
0102 compatible = "mmc-pwrseq-simple";
0103 clocks = <&ac100_rtc 1>;
0104 clock-names = "ext_clock";
0105 /* enables internal regulator and de-asserts reset */
0106 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
0107 };
0108 };
0109
0110 &ehci0 {
0111 status = "okay";
0112 };
0113
0114 &ehci1 {
0115 /* Enable if HSIC peripheral is connected */
0116 status = "disabled";
0117 };
0118
0119 &ehci2 {
0120 status = "okay";
0121 };
0122
0123 &gmac {
0124 pinctrl-names = "default";
0125 pinctrl-0 = <&gmac_rgmii_pins>;
0126 phy-handle = <&phy1>;
0127 phy-mode = "rgmii-id";
0128 phy-supply = <®_cldo1>;
0129 status = "okay";
0130 };
0131
0132 &mdio {
0133 phy1: ethernet-phy@1 {
0134 reg = <1>;
0135 };
0136 };
0137
0138 &mmc0 {
0139 pinctrl-names = "default";
0140 pinctrl-0 = <&mmc0_pins>;
0141 vmmc-supply = <®_dcdc1>;
0142 bus-width = <4>;
0143 cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH8 */
0144 status = "okay";
0145 };
0146
0147 &mmc1 {
0148 pinctrl-names = "default";
0149 pinctrl-0 = <&mmc1_pins>;
0150 vmmc-supply = <®_dldo1>;
0151 vqmmc-supply = <®_cldo3>;
0152 mmc-pwrseq = <&wifi_pwrseq>;
0153 bus-width = <4>;
0154 non-removable;
0155 status = "okay";
0156 };
0157
0158 &mmc1_pins {
0159 bias-pull-up;
0160 };
0161
0162 &mmc2 {
0163 pinctrl-names = "default";
0164 pinctrl-0 = <&mmc2_8bit_pins>;
0165 vmmc-supply = <®_dcdc1>;
0166 bus-width = <8>;
0167 non-removable;
0168 cap-mmc-hw-reset;
0169 status = "okay";
0170 };
0171
0172 &mmc2_8bit_pins {
0173 /* Increase drive strength for DDR modes */
0174 drive-strength = <40>;
0175 };
0176
0177 &ohci0 {
0178 status = "okay";
0179 };
0180
0181 &ohci2 {
0182 status = "okay";
0183 };
0184
0185 &osc32k {
0186 /* osc32k input is from AC100 */
0187 clocks = <&ac100_rtc 0>;
0188 };
0189
0190 &pio {
0191 vcc-pa-supply = <®_ldo_io1>;
0192 vcc-pb-supply = <®_aldo2>;
0193 vcc-pc-supply = <®_dcdc1>;
0194 vcc-pd-supply = <®_dcdc1>;
0195 vcc-pe-supply = <®_eldo2>;
0196 vcc-pf-supply = <®_dcdc1>;
0197 vcc-pg-supply = <®_ldo_io0>;
0198 vcc-ph-supply = <®_dcdc1>;
0199 };
0200
0201 &r_ir {
0202 status = "okay";
0203 };
0204
0205 &r_pio {
0206 vcc-pl-supply = <®_dldo2>;
0207 vcc-pm-supply = <®_eldo3>;
0208 };
0209
0210 &r_rsb {
0211 status = "okay";
0212
0213 axp809: pmic@3a3 {
0214 reg = <0x3a3>;
0215 interrupt-parent = <&nmi_intc>;
0216 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
0217
0218 regulators {
0219 reg_aldo1: aldo1 {
0220 /*
0221 * TODO: This should be handled by the
0222 * USB PHY driver.
0223 */
0224 regulator-always-on;
0225 regulator-min-microvolt = <3000000>;
0226 regulator-max-microvolt = <3000000>;
0227 regulator-name = "vcc33-usbh";
0228 };
0229
0230 reg_aldo2: aldo2 {
0231 regulator-min-microvolt = <1800000>;
0232 regulator-max-microvolt = <1800000>;
0233 regulator-name = "vcc-pb-io-cam";
0234 };
0235
0236 aldo3 {
0237 /* unused */
0238 };
0239
0240 reg_dc5ldo: dc5ldo {
0241 regulator-always-on;
0242 regulator-min-microvolt = <800000>;
0243 regulator-max-microvolt = <1100000>;
0244 regulator-name = "vdd-cpus-09-usbh";
0245 };
0246
0247 dc1sw {
0248 /* unused */
0249 };
0250
0251 reg_dcdc1: dcdc1 {
0252 regulator-always-on;
0253 regulator-min-microvolt = <3000000>;
0254 regulator-max-microvolt = <3000000>;
0255 regulator-name = "vcc-3v";
0256 };
0257
0258 reg_dcdc2: dcdc2 {
0259 regulator-min-microvolt = <800000>;
0260 regulator-max-microvolt = <1100000>;
0261 regulator-name = "vdd-gpu";
0262 };
0263
0264 reg_dcdc3: dcdc3 {
0265 regulator-always-on;
0266 regulator-min-microvolt = <800000>;
0267 regulator-max-microvolt = <1100000>;
0268 regulator-name = "vdd-cpua";
0269 };
0270
0271 reg_dcdc4: dcdc4 {
0272 regulator-always-on;
0273 regulator-min-microvolt = <800000>;
0274 regulator-max-microvolt = <1100000>;
0275 regulator-name = "vdd-sys-usb0-hdmi";
0276 };
0277
0278 reg_dcdc5: dcdc5 {
0279 regulator-always-on;
0280 regulator-min-microvolt = <1425000>;
0281 regulator-max-microvolt = <1575000>;
0282 regulator-name = "vcc-dram";
0283 };
0284
0285 reg_dldo1: dldo1 {
0286 /*
0287 * The WiFi chip supports a wide range
0288 * (3.0 ~ 4.8V) of voltages, and so does
0289 * this regulator (3.0 ~ 4.2V), but
0290 * Allwinner SDK always sets it to 3.3V.
0291 */
0292 regulator-min-microvolt = <3300000>;
0293 regulator-max-microvolt = <3300000>;
0294 regulator-name = "vcc-wifi";
0295 };
0296
0297 reg_dldo2: dldo2 {
0298 regulator-min-microvolt = <3000000>;
0299 regulator-max-microvolt = <3000000>;
0300 regulator-name = "vcc-pl";
0301 };
0302
0303 reg_eldo1: eldo1 {
0304 regulator-min-microvolt = <1200000>;
0305 regulator-max-microvolt = <1200000>;
0306 regulator-name = "vcc-dvdd-cam";
0307 };
0308
0309 reg_eldo2: eldo2 {
0310 regulator-min-microvolt = <1800000>;
0311 regulator-max-microvolt = <1800000>;
0312 regulator-name = "vcc-pe";
0313 };
0314
0315 reg_eldo3: eldo3 {
0316 regulator-min-microvolt = <3000000>;
0317 regulator-max-microvolt = <3000000>;
0318 regulator-name = "vcc-pm-codec-io1";
0319 };
0320
0321 reg_ldo_io0: ldo_io0 {
0322 regulator-min-microvolt = <3000000>;
0323 regulator-max-microvolt = <3000000>;
0324 regulator-name = "vcc-pg";
0325 };
0326
0327 reg_ldo_io1: ldo_io1 {
0328 regulator-min-microvolt = <2500000>;
0329 regulator-max-microvolt = <2500000>;
0330 regulator-name = "vcc-pa-gmac-2v5";
0331 };
0332
0333 reg_rtc_ldo: rtc_ldo {
0334 regulator-name = "vcc-rtc-vdd1v8-io";
0335 };
0336
0337 sw {
0338 /* unused */
0339 };
0340 };
0341 };
0342
0343 axp806: pmic@745 {
0344 compatible = "x-powers,axp806";
0345 reg = <0x745>;
0346 interrupt-parent = <&nmi_intc>;
0347 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
0348 interrupt-controller;
0349 #interrupt-cells = <1>;
0350 bldoin-supply = <®_dcdce>;
0351
0352 regulators {
0353 reg_s_aldo1: aldo1 {
0354 regulator-always-on;
0355 regulator-min-microvolt = <3000000>;
0356 regulator-max-microvolt = <3000000>;
0357 regulator-name = "avcc";
0358 };
0359
0360 aldo2 {
0361 /*
0362 * unused, but use a different name to
0363 * avoid name clash with axp809's aldo's
0364 */
0365 regulator-name = "s_aldo2";
0366 };
0367
0368 aldo3 {
0369 /*
0370 * unused, but use a different name to
0371 * avoid name clash with axp809's aldo's
0372 */
0373 regulator-name = "s_aldo3";
0374 };
0375
0376 reg_bldo1: bldo1 {
0377 regulator-always-on;
0378 regulator-min-microvolt = <1700000>;
0379 regulator-max-microvolt = <1900000>;
0380 regulator-name = "vcc18-efuse-adc-display-csi";
0381 };
0382
0383 reg_bldo2: bldo2 {
0384 regulator-always-on;
0385 regulator-min-microvolt = <1700000>;
0386 regulator-max-microvolt = <1900000>;
0387 regulator-name =
0388 "vdd18-drampll-vcc18-pll-cpvdd";
0389 };
0390
0391 bldo3 {
0392 /* unused */
0393 };
0394
0395 reg_bldo4: bldo4 {
0396 regulator-min-microvolt = <1100000>;
0397 regulator-max-microvolt = <1300000>;
0398 regulator-name = "vcc12-hsic";
0399 };
0400
0401 reg_cldo1: cldo1 {
0402 /*
0403 * This was 3V in the original design, but
0404 * 3.3V is the recommended supply voltage
0405 * for the Ethernet PHY.
0406 */
0407 regulator-min-microvolt = <3300000>;
0408 regulator-max-microvolt = <3300000>;
0409 /*
0410 * The PHY requires 20ms after all voltages
0411 * are applied until core logic is ready and
0412 * 30ms after the reset pin is de-asserted.
0413 * Set a 100ms delay to account for PMIC
0414 * ramp time and board traces.
0415 */
0416 regulator-enable-ramp-delay = <100000>;
0417 regulator-name = "vcc-gmac-phy";
0418 };
0419
0420 reg_cldo2: cldo2 {
0421 regulator-min-microvolt = <2800000>;
0422 regulator-max-microvolt = <2800000>;
0423 regulator-name = "afvcc-cam";
0424 };
0425
0426 reg_cldo3: cldo3 {
0427 regulator-min-microvolt = <3000000>;
0428 regulator-max-microvolt = <3000000>;
0429 regulator-name = "vcc-io-wifi-codec-io2";
0430 };
0431
0432 reg_dcdca: dcdca {
0433 regulator-always-on;
0434 regulator-min-microvolt = <800000>;
0435 regulator-max-microvolt = <1100000>;
0436 regulator-name = "vdd-cpub";
0437 };
0438
0439 reg_dcdcd: dcdcd {
0440 regulator-always-on;
0441 regulator-min-microvolt = <800000>;
0442 regulator-max-microvolt = <1100000>;
0443 regulator-name = "vdd-vpu";
0444 };
0445
0446 reg_dcdce: dcdce {
0447 regulator-always-on;
0448 regulator-min-microvolt = <2100000>;
0449 regulator-max-microvolt = <2100000>;
0450 regulator-name = "vcc-bldo-codec-ldoin";
0451 };
0452
0453 sw {
0454 /*
0455 * unused, but use a different name to
0456 * avoid name clash with axp809's sw
0457 */
0458 regulator-name = "s_sw";
0459 };
0460 };
0461 };
0462
0463 ac100: codec@e89 {
0464 compatible = "x-powers,ac100";
0465 reg = <0xe89>;
0466
0467 ac100_codec: codec {
0468 compatible = "x-powers,ac100-codec";
0469 interrupt-parent = <&r_pio>;
0470 interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
0471 #clock-cells = <0>;
0472 clock-output-names = "4M_adda";
0473 };
0474
0475 ac100_rtc: rtc {
0476 compatible = "x-powers,ac100-rtc";
0477 interrupt-parent = <&nmi_intc>;
0478 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
0479 clocks = <&ac100_codec>;
0480 #clock-cells = <1>;
0481 clock-output-names = "cko1_rtc",
0482 "cko2_rtc",
0483 "cko3_rtc";
0484 };
0485 };
0486 };
0487
0488 #include "axp809.dtsi"
0489
0490 &uart0 {
0491 pinctrl-names = "default";
0492 pinctrl-0 = <&uart0_ph_pins>;
0493 status = "okay";
0494 };
0495
0496 &usbphy1 {
0497 phy-supply = <®_usb1_vbus>;
0498 status = "okay";
0499 };
0500
0501 &usbphy2 {
0502 phy-supply = <®_bldo4>;
0503 /* Enable if HSIC peripheral is connected */
0504 status = "disabled";
0505 };
0506
0507 &usbphy3 {
0508 phy-supply = <®_usb3_vbus>;
0509 status = "okay";
0510 };
