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      1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
      2 // Copyright (C) 2017 Jagan Teki <jteki (a] openedev.com>
      3 
      4 /dts-v1/;
      5 
      6 #include "sun50i-a64.dtsi"
      7 #include "sun50i-a64-cpu-opp.dtsi"
      8 
      9 #include <dt-bindings/gpio/gpio.h>
     10 
     11 / {
     12 	model = "Olimex A64-Olinuxino";
     13 	compatible = "olimex,a64-olinuxino", "allwinner,sun50i-a64";
     14 
     15 	aliases {
     16 		ethernet0 = &emac;
     17 		serial0 = &uart0;
     18 	};
     19 
     20 	chosen {
     21 		stdout-path = "serial0:115200n8";
     22 	};
     23 
     24 	hdmi-connector {
     25 		compatible = "hdmi-connector";
     26 		type = "a";
     27 
     28 		port {
     29 			hdmi_con_in: endpoint {
     30 				remote-endpoint = <&hdmi_out_con>;
     31 			};
     32 		};
     33 	};
     34 
     35 	leds {
     36 		compatible = "gpio-leds";
     37 
     38 		led-0 {
     39 			label = "a64-olinuxino:red:user";
     40 			gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
     41 		};
     42 	};
     43 
     44 	reg_usb1_vbus: usb1-vbus {
     45 		compatible = "regulator-fixed";
     46 		regulator-name = "usb1-vbus";
     47 		regulator-min-microvolt = <5000000>;
     48 		regulator-max-microvolt = <5000000>;
     49 		regulator-boot-on;
     50 		enable-active-high;
     51 		gpio = <&pio 6 9 GPIO_ACTIVE_HIGH>; /* PG9 */
     52 		status = "okay";
     53 	};
     54 
     55 	wifi_pwrseq: wifi_pwrseq {
     56 		compatible = "mmc-pwrseq-simple";
     57 		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
     58 	};
     59 };
     60 
     61 &cpu0 {
     62 	cpu-supply = <&reg_dcdc2>;
     63 };
     64 
     65 &cpu1 {
     66 	cpu-supply = <&reg_dcdc2>;
     67 };
     68 
     69 &cpu2 {
     70 	cpu-supply = <&reg_dcdc2>;
     71 };
     72 
     73 &cpu3 {
     74 	cpu-supply = <&reg_dcdc2>;
     75 };
     76 
     77 &de {
     78 	status = "okay";
     79 };
     80 
     81 &ehci0 {
     82 	status = "okay";
     83 };
     84 
     85 &ehci1 {
     86 	status = "okay";
     87 };
     88 
     89 &emac {
     90 	pinctrl-names = "default";
     91 	pinctrl-0 = <&rgmii_pins>;
     92 	phy-mode = "rgmii";
     93 	phy-handle = <&ext_rgmii_phy>;
     94 	phy-supply = <&reg_dcdc1>;
     95 	allwinner,tx-delay-ps = <600>;
     96 	status = "okay";
     97 };
     98 
     99 &hdmi {
    100 	hvcc-supply = <&reg_dldo1>;
    101 	status = "okay";
    102 };
    103 
    104 &hdmi_out {
    105 	hdmi_out_con: endpoint {
    106 		remote-endpoint = <&hdmi_con_in>;
    107 	};
    108 };
    109 
    110 &mdio {
    111 	ext_rgmii_phy: ethernet-phy@1 {
    112 		compatible = "ethernet-phy-ieee802.3-c22";
    113 		reg = <1>;
    114 	};
    115 };
    116 
    117 &mmc0 {
    118 	pinctrl-names = "default";
    119 	pinctrl-0 = <&mmc0_pins>;
    120 	vmmc-supply = <&reg_dcdc1>;
    121 	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
    122 	disable-wp;
    123 	bus-width = <4>;
    124 	status = "okay";
    125 };
    126 
    127 &mmc1 {
    128 	pinctrl-names = "default";
    129 	pinctrl-0 = <&mmc1_pins>;
    130 	vmmc-supply = <&reg_dcdc1>;
    131 	vqmmc-supply = <&reg_dldo4>;
    132 	mmc-pwrseq = <&wifi_pwrseq>;
    133 	bus-width = <4>;
    134 	non-removable;
    135 	status = "okay";
    136 
    137 	rtl8723bs: wifi@1 {
    138 		reg = <1>;
    139 		interrupt-parent = <&r_pio>;
    140 		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
    141 		interrupt-names = "host-wake";
    142 	};
    143 };
    144 
    145 &ohci0 {
    146 	status = "okay";
    147 };
    148 
    149 &ohci1 {
    150 	status = "okay";
    151 };
    152 
    153 &pio {
    154 	vcc-pc-supply = <&reg_dcdc1>;
    155 	vcc-pd-supply = <&reg_dcdc1>;
    156 	vcc-pe-supply = <&reg_aldo1>;
    157 	vcc-pg-supply = <&reg_dldo4>;
    158 };
    159 
    160 &r_pio {
    161 	/*
    162 	 * FIXME: We can't add that supply for now since it would
    163 	 * create a circular dependency between pinctrl, the regulator
    164 	 * and the RSB Bus.
    165 	 *
    166 	 * vcc-pl-supply = <&reg_aldo2>;
    167 	 */
    168 };
    169 
    170 &pio {
    171 	vcc-pa-supply = <&reg_dcdc1>;
    172 	vcc-pb-supply = <&reg_dcdc1>;
    173 	vcc-pc-supply = <&reg_dcdc1>;
    174 	vcc-pd-supply = <&reg_dcdc1>;
    175 	vcc-pe-supply = <&reg_aldo1>;
    176 	vcc-pf-supply = <&reg_dcdc1>;
    177 	vcc-pg-supply = <&reg_dldo4>;
    178 	vcc-ph-supply = <&reg_dcdc1>;
    179 };
    180 
    181 &r_rsb {
    182 	status = "okay";
    183 
    184 	axp803: pmic@3a3 {
    185 		compatible = "x-powers,axp803";
    186 		reg = <0x3a3>;
    187 		interrupt-parent = <&r_intc>;
    188 		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
    189 		x-powers,drive-vbus-en;	/* set N_VBUSEN as output pin */
    190 	};
    191 };
    192 
    193 /* VCC-PL is powered by aldo2 but we cannot add it as the RSB */
    194 /* interface used to talk to the PMIC in on the PL pins */
    195 /* &r_pio { */
    196 /*	vcc-pl-supply = <&reg_aldo2>; */
    197 /* }; */
    198 
    199 #include "axp803.dtsi"
    200 
    201 &ac_power_supply {
    202 	status = "okay";
    203 };
    204 
    205 &battery_power_supply {
    206 	status = "okay";
    207 };
    208 
    209 &reg_aldo1 {
    210 	regulator-always-on;
    211 	regulator-min-microvolt = <2800000>;
    212 	regulator-max-microvolt = <2800000>;
    213 	regulator-name = "vcc-pe";
    214 };
    215 
    216 &reg_aldo2 {
    217 	regulator-always-on;
    218 	regulator-min-microvolt = <3300000>;
    219 	regulator-max-microvolt = <3300000>;
    220 	regulator-name = "vcc-pl";
    221 };
    222 
    223 &reg_aldo3 {
    224 	regulator-always-on;
    225 	regulator-min-microvolt = <3000000>;
    226 	regulator-max-microvolt = <3000000>;
    227 	regulator-name = "vcc-pll-avcc";
    228 };
    229 
    230 &reg_dcdc1 {
    231 	regulator-always-on;
    232 	regulator-min-microvolt = <3300000>;
    233 	regulator-max-microvolt = <3300000>;
    234 	regulator-name = "vcc-3v3";
    235 };
    236 
    237 &reg_dcdc2 {
    238 	regulator-always-on;
    239 	regulator-min-microvolt = <1040000>;
    240 	regulator-max-microvolt = <1300000>;
    241 	regulator-name = "vdd-cpux";
    242 };
    243 
    244 /* DCDC3 is polyphased with DCDC2 */
    245 
    246 /*
    247  * The board uses DDR3L DRAM chips. 1.36V is the closest to the nominal
    248  * 1.35V that the PMIC can drive.
    249  */
    250 &reg_dcdc5 {
    251 	regulator-always-on;
    252 	regulator-min-microvolt = <1360000>;
    253 	regulator-max-microvolt = <1360000>;
    254 	regulator-name = "vcc-ddr3";
    255 };
    256 
    257 &reg_dcdc6 {
    258 	regulator-always-on;
    259 	regulator-min-microvolt = <1100000>;
    260 	regulator-max-microvolt = <1100000>;
    261 	regulator-name = "vdd-sys";
    262 };
    263 
    264 &reg_dldo1 {
    265 	regulator-min-microvolt = <3300000>;
    266 	regulator-max-microvolt = <3300000>;
    267 	regulator-name = "vcc-hdmi";
    268 };
    269 
    270 &reg_dldo2 {
    271 	regulator-min-microvolt = <3300000>;
    272 	regulator-max-microvolt = <3300000>;
    273 	regulator-name = "vcc-mipi";
    274 };
    275 
    276 &reg_dldo3 {
    277 	regulator-min-microvolt = <2800000>;
    278 	regulator-max-microvolt = <2800000>;
    279 	regulator-name = "vcc-avdd-csi";
    280 };
    281 
    282 &reg_dldo4 {
    283 	regulator-min-microvolt = <3300000>;
    284 	regulator-max-microvolt = <3300000>;
    285 	regulator-name = "vcc-wifi-io";
    286 };
    287 
    288 &reg_drivevbus {
    289 	regulator-name = "usb0-vbus";
    290 	status = "okay";
    291 };
    292 
    293 &reg_eldo1 {
    294 	regulator-min-microvolt = <1800000>;
    295 	regulator-max-microvolt = <1800000>;
    296 	regulator-name = "cpvdd";
    297 };
    298 
    299 &reg_eldo2 {
    300 	regulator-min-microvolt = <1800000>;
    301 	regulator-max-microvolt = <1800000>;
    302 	regulator-name = "vcc-dvdd-csi";
    303 };
    304 
    305 &reg_fldo1 {
    306 	regulator-min-microvolt = <1200000>;
    307 	regulator-max-microvolt = <1200000>;
    308 	regulator-name = "vcc-1v2-hsic";
    309 };
    310 
    311 /*
    312  * The A64 chip cannot work without this regulator off, although
    313  * it seems to be only driving the AR100 core.
    314  * Maybe we don't still know well about CPUs domain.
    315  */
    316 &reg_fldo2 {
    317 	regulator-always-on;
    318 	regulator-min-microvolt = <1100000>;
    319 	regulator-max-microvolt = <1100000>;
    320 	regulator-name = "vdd-cpus";
    321 };
    322 
    323 &reg_rtc_ldo {
    324 	regulator-name = "vcc-rtc";
    325 };
    326 
    327 &simplefb_hdmi {
    328 	vcc-hdmi-supply = <&reg_dldo1>;
    329 };
    330 
    331 &uart0 {
    332 	pinctrl-names = "default";
    333 	pinctrl-0 = <&uart0_pb_pins>;
    334 	status = "okay";
    335 };
    336 
    337 &usb_otg {
    338 	dr_mode = "otg";
    339 	status = "okay";
    340 };
    341 
    342 &usbphy {
    343 	status = "okay";
    344 	usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
    345 	usb0_vbus-supply = <&reg_drivevbus>;
    346 	usb1_vbus-supply = <&reg_usb1_vbus>;
    347 };
    348