| // SPDX-License-Identifier: (GPL-2.0-only OR MIT) |
| // Copyright (C) 2025 Arm Ltd. |
| |
| /dts-v1/; |
| |
| #include "sun55i-a523.dtsi" |
| |
| #include <dt-bindings/gpio/gpio.h> |
| |
| / { |
| model = "Radxa Cubie A5E"; |
| compatible = "radxa,cubie-a5e", "allwinner,sun55i-a527"; |
| |
| aliases { |
| ethernet0 = &gmac0; |
| serial0 = &uart0; |
| }; |
| |
| chosen { |
| stdout-path = "serial0:115200n8"; |
| }; |
| |
| ext_osc32k: ext-osc32k-clk { |
| #clock-cells = <0>; |
| compatible = "fixed-clock"; |
| clock-frequency = <32768>; |
| clock-output-names = "ext_osc32k"; |
| }; |
| |
| reg_vcc5v: vcc5v { |
| /* board wide 5V supply from the USB-C connector */ |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc-5v"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| regulator-always-on; |
| }; |
| |
| reg_usb_vbus: vbus { |
| compatible = "regulator-fixed"; |
| regulator-name = "usb-vbus"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| vin-supply = <®_vcc5v>; |
| gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ |
| enable-active-high; |
| }; |
| }; |
| |
| &ehci0 { |
| status = "okay"; |
| }; |
| |
| &ehci1 { |
| status = "okay"; |
| }; |
| |
| &gmac0 { |
| phy-mode = "rgmii-id"; |
| phy-handle = <&ext_rgmii_phy>; |
| phy-supply = <®_cldo3>; |
| |
| allwinner,tx-delay-ps = <300>; |
| allwinner,rx-delay-ps = <400>; |
| |
| status = "okay"; |
| }; |
| |
| &gpu { |
| mali-supply = <®_dcdc2>; |
| status = "okay"; |
| }; |
| |
| &mdio0 { |
| ext_rgmii_phy: ethernet-phy@1 { |
| compatible = "ethernet-phy-ieee802.3-c22"; |
| reg = <1>; |
| }; |
| }; |
| |
| &mmc0 { |
| vmmc-supply = <®_cldo3>; |
| cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ |
| bus-width = <4>; |
| status = "okay"; |
| }; |
| |
| &ohci0 { |
| status = "okay"; |
| }; |
| |
| &ohci1 { |
| status = "okay"; |
| }; |
| |
| &pio { |
| vcc-pb-supply = <®_cldo3>; /* via VCC-IO */ |
| vcc-pc-supply = <®_cldo1>; |
| vcc-pd-supply = <®_cldo3>; |
| vcc-pe-supply = <®_aldo2>; |
| vcc-pf-supply = <®_cldo3>; /* actually switchable */ |
| vcc-pg-supply = <®_bldo1>; |
| vcc-ph-supply = <®_cldo3>; /* via VCC-IO */ |
| vcc-pi-supply = <®_cldo3>; |
| vcc-pj-supply = <®_cldo4>; |
| vcc-pk-supply = <®_cldo1>; |
| }; |
| |
| &r_i2c0 { |
| status = "okay"; |
| |
| axp717: pmic@34 { |
| compatible = "x-powers,axp717"; |
| reg = <0x34>; |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&nmi_intc>; |
| interrupts = <0 IRQ_TYPE_LEVEL_LOW>; |
| |
| vin1-supply = <®_vcc5v>; |
| vin2-supply = <®_vcc5v>; |
| vin3-supply = <®_vcc5v>; |
| vin4-supply = <®_vcc5v>; |
| aldoin-supply = <®_vcc5v>; |
| bldoin-supply = <®_vcc5v>; |
| cldoin-supply = <®_vcc5v>; |
| |
| regulators { |
| /* Supplies the "little" cluster (1.4 GHz cores) */ |
| reg_dcdc1: dcdc1 { |
| regulator-always-on; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <1160000>; |
| regulator-name = "vdd-cpul"; |
| }; |
| |
| reg_dcdc2: dcdc2 { |
| regulator-always-on; |
| regulator-min-microvolt = <920000>; |
| regulator-max-microvolt = <920000>; |
| regulator-name = "vdd-gpu-sys"; |
| }; |
| |
| reg_dcdc3: dcdc3 { |
| regulator-always-on; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1100000>; |
| regulator-name = "vdd-dram"; |
| }; |
| |
| reg_aldo1: aldo1 { |
| /* not connected */ |
| }; |
| |
| reg_aldo2: aldo2 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-name = "vcc-pe"; |
| }; |
| |
| reg_aldo3: aldo3 { |
| /* supplies the I2C pins for this PMIC */ |
| regulator-always-on; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-name = "vcc-pl-usb"; |
| }; |
| |
| reg_aldo4: aldo4 { |
| regulator-always-on; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-name = "vcc-pll-dxco-avcc"; |
| }; |
| |
| reg_bldo1: bldo1 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-name = "vcc-pg-iowifi"; |
| }; |
| |
| reg_bldo2: bldo2 { |
| regulator-always-on; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-name = "vcc-pm-lpddr4"; |
| }; |
| |
| reg_bldo3: bldo3 { |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-name = "vcc-mipi-cam"; |
| }; |
| |
| reg_bldo4: bldo4 { |
| /* not connected */ |
| }; |
| |
| reg_cldo1: cldo1 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-name = "vcc-pc-and-their-dog"; |
| }; |
| |
| reg_cldo2: cldo2 { |
| /* not connected */ |
| }; |
| |
| reg_cldo3: cldo3 { |
| /* IO, USB-2, 3V3, card, NAND, sensor, PI */ |
| regulator-always-on; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-name = "vcc-io-mmc-spi-ana"; |
| }; |
| |
| reg_cldo4: cldo4 { |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-name = "vcc-pj-phy"; |
| }; |
| |
| reg_cpusldo: cpusldo { |
| /* supplies the management core */ |
| regulator-always-on; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <900000>; |
| regulator-name = "vdd-cpus"; |
| }; |
| }; |
| }; |
| |
| axp323: pmic@36 { |
| compatible = "x-powers,axp323"; |
| reg = <0x36>; |
| #interrupt-cells = <1>; |
| interrupt-controller; |
| interrupt-parent = <&nmi_intc>; |
| interrupts = <0 IRQ_TYPE_LEVEL_LOW>; |
| status = "okay"; |
| |
| vin1-supply = <®_vcc5v>; |
| vin2-supply = <®_vcc5v>; |
| vin3-supply = <®_vcc5v>; |
| |
| regulators { |
| aldo1 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-name = "vcc-mipi-dsi"; |
| }; |
| |
| dldo1 { |
| /* not connected */ |
| }; |
| |
| /* Supplies the "big" cluster (1.8 GHz cores) */ |
| reg_dcdc1_323: dcdc1 { |
| regulator-always-on; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <1160000>; |
| regulator-name = "vdd-cpub"; |
| }; |
| |
| /* DCDC2 is polyphased with DCDC1 */ |
| |
| /* RISC-V management core supply */ |
| reg_dcdc3_323: dcdc3 { |
| regulator-always-on; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <900000>; |
| regulator-name = "vdd-dnr"; |
| }; |
| }; |
| }; |
| }; |
| |
| &r_pio { |
| /* |
| * Specifying the supply would create a circular dependency. |
| * |
| * vcc-pl-supply = <®_aldo3>; |
| */ |
| vcc-pm-supply = <®_aldo3>; |
| }; |
| |
| &uart0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart0_pb_pins>; |
| status = "okay"; |
| }; |
| |
| &usb_otg { |
| /* |
| * The USB-C port is the primary power supply, so in this configuration |
| * relies on the other end of the USB cable to supply the VBUS power. |
| * So use this port in peripheral mode. |
| * It is possible to supply the board with the 5V pins on the GPIO |
| * header, and since the DCIN_5V line is hardwired to the USB-C VBUS |
| * pins, the port turns into a host port, unconditionally supplying |
| * power. The dr_mode property should be changed to "host" here, if |
| * users choose this setup. |
| */ |
| dr_mode = "peripheral"; |
| status = "okay"; |
| }; |
| |
| /* |
| * The schematic describes USB0_ID (PL10), measuring VBUS_5V, which looks to |
| * be always on. Also there is USB-VBUSDET (PL2), which is measuring the same |
| * VBUS_5V. There is also DCIN_DET, which measures DCIN_5V, so the power |
| * input rail. |
| * None of them seem to make any sense in relation to detecting USB devices |
| * or whether there is power provided via any USB pins: they would always |
| * report high, otherwise the system wouldn't be running. |
| * The AXP717C provides proper USB-C CC pin functionality, but the PMIC is |
| * not connected to those pins of the USB-C connector. |
| */ |
| &usbphy { |
| usb0_vbus-supply = <®_vcc5v>; |
| usb1_vbus-supply = <®_usb_vbus>; |
| status = "okay"; |
| }; |
