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+/*
+ * Copyright 2015 Tyler Baker
+ *
+ * Tyler Baker <tyler.baker@linaro.org>
+ * Chen-Yu Tsai <wens@csie.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun9i-a80.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ model = "Cubietech Cubieboard4";
+ compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ label = "cubieboard4:green:usr";
+ gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
+ };
+
+ led-1 {
+ label = "cubieboard4:red:usr";
+ gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
+ };
+ };
+
+ vga-connector {
+ compatible = "vga-connector";
+ label = "vga";
+ ddc-i2c-bus = <&i2c3>;
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_dac_out>;
+ };
+ };
+ };
+
+ vga-dac {
+ compatible = "corpro,gm7123", "adi,adv7123";
+ vdd-supply = <&reg_dcdc1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_dac_in: endpoint {
+ remote-endpoint = <&tcon0_out_vga>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_dac_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ wifi_pwrseq: wifi-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&ac100_rtc 1>;
+ clock-names = "ext_clock";
+ /* enables internal regulator and de-asserts reset */
+ reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
+ };
+};
+
+&de {
+ status = "okay";
+};
+
+&gmac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac_rgmii_pins>;
+ phy-handle = <&phy1>;
+ phy-mode = "rgmii-id";
+ phy-supply = <&reg_cldo1>;
+ status = "okay";
+};
+
+&i2c3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
+ status = "okay";
+};
+
+&mdio {
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins>;
+ vmmc-supply = <&reg_dcdc1>;
+ bus-width = <4>;
+ cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH18 */
+ status = "okay";
+};
+
+&mmc1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins>;
+ vmmc-supply = <&reg_dldo1>;
+ vqmmc-supply = <&reg_cldo3>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+};
+
+&mmc1_pins {
+ bias-pull-up;
+};
+
+&mmc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_8bit_pins>;
+ vmmc-supply = <&reg_dcdc1>;
+ bus-width = <8>;
+ non-removable;
+ cap-mmc-hw-reset;
+ status = "okay";
+};
+
+&mmc2_8bit_pins {
+ /* Increase drive strength for DDR modes */
+ drive-strength = <40>;
+};
+
+&osc32k {
+ /* osc32k input is from AC100 */
+ clocks = <&ac100_rtc 0>;
+};
+
+&pio {
+ vcc-pa-supply = <&reg_ldo_io1>;
+ vcc-pb-supply = <&reg_aldo2>;
+ vcc-pc-supply = <&reg_dcdc1>;
+ vcc-pd-supply = <&reg_dc1sw>;
+ vcc-pe-supply = <&reg_eldo2>;
+ vcc-pf-supply = <&reg_dcdc1>;
+ vcc-pg-supply = <&reg_ldo_io0>;
+ vcc-ph-supply = <&reg_dcdc1>;
+};
+
+&r_ir {
+ status = "okay";
+};
+
+&r_pio {
+ vcc-pl-supply = <&reg_dldo2>;
+ vcc-pm-supply = <&reg_eldo3>;
+};
+
+&r_rsb {
+ status = "okay";
+
+ axp809: pmic@3a3 {
+ reg = <0x3a3>;
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+
+ regulators {
+ reg_aldo1: aldo1 {
+ /*
+ * TODO: This should be handled by the
+ * USB PHY driver.
+ */
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc33-usbh";
+ };
+
+ reg_aldo2: aldo2 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc-pb-io-cam";
+ };
+
+ aldo3 {
+ /* unused */
+ };
+
+ reg_dc1sw: dc1sw {
+ regulator-name = "vcc-pd";
+ };
+
+ reg_dc5ldo: dc5ldo {
+ regulator-always-on;
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpus-09-usbh";
+ };
+
+ reg_dcdc1: dcdc1 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc-3v";
+ };
+
+ reg_dcdc2: dcdc2 {
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-gpu";
+ };
+
+ reg_dcdc3: dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpua";
+ };
+
+ reg_dcdc4: dcdc4 {
+ regulator-always-on;
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-sys-usb0-hdmi";
+ };
+
+ reg_dcdc5: dcdc5 {
+ regulator-always-on;
+ regulator-min-microvolt = <1425000>;
+ regulator-max-microvolt = <1575000>;
+ regulator-name = "vcc-dram";
+ };
+
+ reg_dldo1: dldo1 {
+ /*
+ * The WiFi chip supports a wide range
+ * (3.0 ~ 4.8V) of voltages, and so does
+ * this regulator (3.0 ~ 4.2V), but
+ * Allwinner SDK always sets it to 3.3V.
+ */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-wifi";
+ };
+
+ reg_dldo2: dldo2 {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc-pl";
+ };
+
+ reg_eldo1: eldo1 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-name = "vcc-dvdd-cam";
+ };
+
+ reg_eldo2: eldo2 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc-pe";
+ };
+
+ reg_eldo3: eldo3 {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc-pm-codec-io1";
+ };
+
+ reg_ldo_io0: ldo_io0 {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc-pg";
+ };
+
+ reg_ldo_io1: ldo_io1 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-name = "vcc-pa-gmac-2v5";
+ };
+
+ reg_rtc_ldo: rtc_ldo {
+ regulator-name = "vcc-rtc-vdd1v8-io";
+ };
+
+ sw {
+ /* unused */
+ };
+ };
+ };
+
+ axp806: pmic@745 {
+ compatible = "x-powers,axp806";
+ reg = <0x745>;
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ bldoin-supply = <&reg_dcdce>;
+
+ regulators {
+ reg_s_aldo1: aldo1 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "avcc";
+ };
+
+ aldo2 {
+ /*
+ * unused, but use a different name to
+ * avoid name clash with axp809's aldo's
+ */
+ regulator-name = "s_aldo2";
+ };
+
+ aldo3 {
+ /*
+ * unused, but use a different name to
+ * avoid name clash with axp809's aldo's
+ */
+ regulator-name = "s_aldo3";
+ };
+
+ reg_bldo1: bldo1 {
+ regulator-always-on;
+ regulator-min-microvolt = <1700000>;
+ regulator-max-microvolt = <1900000>;
+ regulator-name = "vcc18-efuse-adc-display-csi";
+ };
+
+ reg_bldo2: bldo2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1700000>;
+ regulator-max-microvolt = <1900000>;
+ regulator-name =
+ "vdd18-drampll-vcc18-pll-cpvdd";
+ };
+
+ bldo3 {
+ /* unused */
+ };
+
+ reg_bldo4: bldo4 {
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-name = "vcc12-hsic";
+ };
+
+ reg_cldo1: cldo1 {
+ /*
+ * This was 3V in the original design, but
+ * 3.3V is the recommended supply voltage
+ * for the Ethernet PHY.
+ */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ /*
+ * The PHY requires 20ms after all voltages
+ * are applied until core logic is ready and
+ * 30ms after the reset pin is de-asserted.
+ * Set a 100ms delay to account for PMIC
+ * ramp time and board traces.
+ */
+ regulator-enable-ramp-delay = <100000>;
+ regulator-name = "vcc-gmac-phy";
+ };
+
+ reg_cldo2: cldo2 {
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-name = "afvcc-cam";
+ };
+
+ reg_cldo3: cldo3 {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc-io-wifi-codec-io2";
+ };
+
+ reg_dcdca: dcdca {
+ regulator-always-on;
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpub";
+ };
+
+ reg_dcdcd: dcdcd {
+ regulator-always-on;
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-vpu";
+ };
+
+ reg_dcdce: dcdce {
+ regulator-always-on;
+ regulator-min-microvolt = <2100000>;
+ regulator-max-microvolt = <2100000>;
+ regulator-name = "vcc-bldo-codec-ldoin";
+ };
+
+ sw {
+ /*
+ * unused, but use a different name to
+ * avoid name clash with axp809's sw
+ */
+ regulator-name = "s_sw";
+ };
+ };
+ };
+
+ ac100: codec@e89 {
+ compatible = "x-powers,ac100";
+ reg = <0xe89>;
+
+ ac100_codec: codec {
+ compatible = "x-powers,ac100-codec";
+ interrupt-parent = <&r_pio>;
+ interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
+ #clock-cells = <0>;
+ clock-output-names = "4M_adda";
+ };
+
+ ac100_rtc: rtc {
+ compatible = "x-powers,ac100-rtc";
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&ac100_codec>;
+ #clock-cells = <1>;
+ clock-output-names = "cko1_rtc",
+ "cko2_rtc",
+ "cko3_rtc";
+ };
+ };
+};
+
+#include "axp809.dtsi"
+
+&tcon0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd0_rgb888_pins>;
+};
+
+&tcon0_out {
+ tcon0_out_vga: endpoint {
+ remote-endpoint = <&vga_dac_in>;
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_ph_pins>;
+ status = "okay";
+};