在 2020-12-02星期三的 13:54 +0000，Andre Przywara写道： > The OrangePi Zero 2 is a development board with the new H616 SoC. > > It features the usual connectors used on those small boards, and > comes > with the AXP305, which seems to be compatible with the AXP805. > > For more details see: http://linux-sunxi.org/Xunlong_Orange_Pi_Zero2 > > Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> > --- > arch/arm64/boot/dts/allwinner/Makefile | 1 + > .../allwinner/sun50i-h616-orangepi-zero2.dts | 228 > ++++++++++++++++++ > 2 files changed, 229 insertions(+) > create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616- > orangepi-zero2.dts > > diff --git a/arch/arm64/boot/dts/allwinner/Makefile > b/arch/arm64/boot/dts/allwinner/Makefile > index 211d1e9d4701..0cf8299b1ce7 100644 > --- a/arch/arm64/boot/dts/allwinner/Makefile > +++ b/arch/arm64/boot/dts/allwinner/Makefile > @@ -35,3 +35,4 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one- > plus.dtb > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-model-b.dtb > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb > +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi- > zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi- > zero2.dts > new file mode 100644 > index 000000000000..814f5b4fec7c > --- /dev/null > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts > @@ -0,0 +1,228 @@ > +// SPDX-License-Identifier: (GPL-2.0+ or MIT) > +/* > + * Copyright (C) 2020 Arm Ltd. > + */ > + > +/dts-v1/; > + > +#include "sun50i-h616.dtsi" > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > + > +/ { > + model = "OrangePi Zero2"; > + compatible = "xunlong,orangepi-zero2", "allwinner,sun50i-h616"; > + > + aliases { > + ethernet0 = &emac0; > + serial0 = &uart0; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + power { > + label = "orangepi:red:power"; > + gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 > */ > + default-state = "on"; > + }; > + > + status { > + label = "orangepi:green:status"; > + gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 > */ > + }; > + }; > + > + reg_vcc5v: vcc5v { > + /* board wide 5V supply directly from the USB-C socket > */ > + compatible = "regulator-fixed"; > + regulator-name = "vcc-5v"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + regulator-always-on; > + }; > + > + reg_usb1_vbus: usb1-vbus { > + compatible = "regulator-fixed"; > + regulator-name = "usb1-vbus"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + enable-active-high; > + gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */ > + status = "okay"; > + }; > +}; > + > +&ehci0 { > + status = "okay"; > +}; > + > +&ehci1 { > + status = "okay"; > +}; > + > +/* USB 2 & 3 are on headers only. */ > + > +&emac0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&ext_rgmii_pins>; > + phy-mode = "rgmii"; > + phy-handle = <&ext_rgmii_phy>; > + phy-supply = <®_dcdce>; > + allwinner,rx-delay-ps = <3100>; > + allwinner,tx-delay-ps = <700>; > + status = "okay"; > +}; > + > +&mdio { > + ext_rgmii_phy: ethernet-phy@1 { > + compatible = "ethernet-phy-ieee802.3-c22"; > + reg = <1>; > + }; > +}; > + > +&mmc0 { > + vmmc-supply = <®_dcdce>; > + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */ > + bus-width = <4>; > + status = "okay"; > +}; > + > +&ohci0 { > + status = "okay"; > +}; > + > +&ohci1 { > + status = "okay"; > +}; > + > +&r_i2c { > + status = "okay"; > + > + axp305: pmic@36 { > + compatible = "x-powers,axp305", "x-powers,axp805", > + "x-powers,axp806"; > + reg = <0x36>; > + > + /* dummy interrupt to appease the driver for now */ > + interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-controller; > + #interrupt-cells = <1>; Is dummy interrupt future-proof? > + > + x-powers,self-working-mode; > + vina-supply = <®_vcc5v>; > + vinb-supply = <®_vcc5v>; > + vinc-supply = <®_vcc5v>; > + vind-supply = <®_vcc5v>; > + vine-supply = <®_vcc5v>; > + aldoin-supply = <®_vcc5v>; > + bldoin-supply = <®_vcc5v>; > + cldoin-supply = <®_vcc5v>; > + > + regulators { > + reg_aldo1: aldo1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-sys"; > + }; > + > + reg_aldo2: aldo2 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc3v3-ext"; > + }; > + > + reg_aldo3: aldo3 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc3v3-ext2"; > + }; > + > + reg_bldo1: bldo1 { > + regulator-always-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "vcc1v8"; > + }; > + > + bldo2 { > + /* unused */ > + }; > + > + bldo3 { > + /* unused */ > + }; > + > + bldo4 { > + /* unused */ > + }; > + > + cldo1 { > + /* reserved */ > + }; > + > + cldo2 { > + /* unused */ > + }; > + > + cldo3 { > + /* unused */ > + }; > + > + reg_dcdca: dcdca { > + regulator-always-on; > + regulator-min-microvolt = <810000>; > + regulator-max-microvolt = <1080000>; > + regulator-name = "vdd-cpu"; > + }; > + > + reg_dcdcc: dcdcc { > + regulator-always-on; > + regulator-min-microvolt = <810000>; > + regulator-max-microvolt = <1080000>; > + regulator-name = "vdd-gpu-sys"; > + }; > + > + reg_dcdcd: dcdcd { > + regulator-always-on; > + regulator-min-microvolt = <1500000>; > + regulator-max-microvolt = <1500000>; > + regulator-name = "vdd-dram"; > + }; > + > + reg_dcdce: dcdce { > + regulator-boot-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-eth-mmc"; > + }; > + > + sw { > + /* unused */ > + }; > + }; > + }; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_ph_pins>; > + status = "okay"; > +}; > + > +&usbotg { > + dr_mode = "otg"; The board is locked to a UFP due to fixed resistor on CC. OTG is not possible. > + status = "okay"; > +}; > + > +&usbphy { > + usb0_vbus-supply = <®_vcc5v>; > + usb1_vbus-supply = <®_usb1_vbus>; > + status = "okay"; > +};
