diff options
Diffstat (limited to 'arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts new file mode 100644 index 000000000000..0f58d92a6adc --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts @@ -0,0 +1,318 @@ +// 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 = &emac0; + 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"; +}; + +&emac0 { + phy-mode = "rgmii-id"; + phy-handle = <&ext_rgmii_phy>; + phy-supply = <®_cldo3>; + + allwinner,tx-delay-ps = <300>; + allwinner,rx-delay-ps = <400>; + + 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"; +}; |