Re: [PATCH 2/2] arm64: dts: allwinner: h616: add Orange Pi Zero 2W support

[Andre Przywara <andre.przywara@arm.com>]

On Sat, 21 Oct 2023 08:22:24 +0200
Jernej Škrabec <jernej.skrabec@gmail.com> wrote:

Hi,

> On Friday, October 20, 2023 4:57:06 PM CEST Andre Przywara wrote:
> > The Orange Pi Zero 2W is a board based on the Allwinner H618 SoC.
> > It uses the RaspberryPi Zero form factor, with an optional expansion
> > board, connected via an FPC connector, to provide more connectors.
> > 
> > The base board features:
> > 	- Allwinner H618 SoC (quad Cortex-A53 cores, with 1MB L2 cache)
> > 	- 1, 2 or 4GB of LPDDR4 DRAM
> > 	- SD card socket
> > 	- two USB-C sockets, one UFP, one DFP
> > 	- HDMI connector
> > 	- (yet unsupported) WiFi module
> > 	- 16 MiB SPI flash
> > 	- power supply via the UFP USB-C port
> > 
> > The FPC connector provides access to two more USB host ports, Fast
> > Ethernet, some GPIOs, Audio Line out and the IR receiver pin.
> > 
> > Signed-off-by: Andre Przywara <andre.przywara@arm.com>  
> 
> I compared it to the schematic and all values looks good. Sadly, it missed 
> merge window.

No worries, I wasn't expecting it to make it, just wanted to get this
out to start the discussion and have something at a canonical place,
since the first boards seem to arrive for people now.

> Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Thanks,
Andre

> Best regards,
> Jernej
> 
> > ---
> >  .../allwinner/sun50i-h618-orangepi-zero2w.dts | 176 ++++++++++++++++++
> >  1 file changed, 176 insertions(+)
> >  create mode 100644
> > arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts
> > 
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts
> > b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts new file
> > mode 100644
> > index 0000000000000..21ca1977055d9
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts
> > @@ -0,0 +1,176 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Copyright (C) 2023 Arm Ltd.
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include "sun50i-h616.dtsi"
> > +
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +#include <dt-bindings/leds/common.h>
> > +
> > +/ {
> > +	model = "OrangePi Zero 2W";
> > +	compatible = "xunlong,orangepi-zero2w", "allwinner,sun50i-h618";
> > +
> > +	aliases {
> > +		serial0 = &uart0;
> > +	};
> > +
> > +	chosen {
> > +		stdout-path = "serial0:115200n8";
> > +	};
> > +
> > +	leds {
> > +		compatible = "gpio-leds";
> > +
> > +		led-0 {
> > +			function = LED_FUNCTION_STATUS;
> > +			color = <LED_COLOR_ID_GREEN>;
> > +			gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13   
> */
> > +		};
> > +	};
> > +
> > +	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_vcc3v3: vcc3v3 {
> > +		/* SY8089 DC/DC converter */
> > +		compatible = "regulator-fixed";
> > +		regulator-name = "vcc-3v3";
> > +		regulator-min-microvolt = <3300000>;
> > +		regulator-max-microvolt = <3300000>;
> > +		vin-supply = <&reg_vcc5v>;
> > +		regulator-always-on;
> > +	};
> > +};
> > +
> > +&ehci1 {
> > +	status = "okay";
> > +};
> > +
> > +/* USB 2 & 3 are on the FPC connector (or the exansion board) */
> > +
> > +&mmc0 {
> > +	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
> > +	bus-width = <4>;
> > +	vmmc-supply = <&reg_vcc3v3>;
> > +	status = "okay";
> > +};
> > +
> > +&ohci1 {
> > +	status = "okay";
> > +};
> > +
> > +&pio {
> > +	vcc-pc-supply = <&reg_dldo1>;
> > +	vcc-pf-supply = <&reg_dldo1>;	/* internally via VCC-IO */
> > +	vcc-pg-supply = <&reg_aldo1>;
> > +	vcc-ph-supply = <&reg_dldo1>;	/* internally via VCC-IO */
> > +	vcc-pi-supply = <&reg_dldo1>;
> > +};
> > +
> > +&r_i2c {
> > +	status = "okay";
> > +
> > +	axp313: pmic@36 {
> > +		compatible = "x-powers,axp313a";
> > +		reg = <0x36>;
> > +		#interrupt-cells = <1>;
> > +		interrupt-controller;
> > +		interrupt-parent = <&pio>;
> > +		interrupts = <2 9 IRQ_TYPE_LEVEL_LOW>;	/* PC9 */
> > +
> > +		vin1-supply = <&reg_vcc5v>;
> > +		vin2-supply = <&reg_vcc5v>;
> > +		vin3-supply = <&reg_vcc5v>;
> > +
> > +		regulators {
> > +			/* Supplies VCC-PLL and DRAM */
> > +			reg_aldo1: aldo1 {
> > +				regulator-always-on;
> > +				regulator-min-microvolt =   
> <1800000>;
> > +				regulator-max-microvolt =   
> <1800000>;
> > +				regulator-name = "vcc1v8";
> > +			};
> > +
> > +			/* Supplies VCC-IO, so needs to be always on.   
> */
> > +			reg_dldo1: dldo1 {
> > +				regulator-always-on;
> > +				regulator-min-microvolt =   
> <3300000>;
> > +				regulator-max-microvolt =   
> <3300000>;
> > +				regulator-name = "vcc3v3";
> > +			};
> > +
> > +			reg_dcdc1: dcdc1 {
> > +				regulator-always-on;
> > +				regulator-min-microvolt =   
> <810000>;
> > +				regulator-max-microvolt =   
> <990000>;
> > +				regulator-name = "vdd-gpu-sys";
> > +			};
> > +
> > +			reg_dcdc2: dcdc2 {
> > +				regulator-always-on;
> > +				regulator-min-microvolt =   
> <810000>;
> > +				regulator-max-microvolt =   
> <1100000>;
> > +				regulator-name = "vdd-cpu";
> > +			};
> > +
> > +			reg_dcdc3: dcdc3 {
> > +				regulator-always-on;
> > +				regulator-min-microvolt =   
> <1100000>;
> > +				regulator-max-microvolt =   
> <1100000>;
> > +				regulator-name = "vdd-dram";
> > +			};
> > +		};
> > +	};
> > +};
> > +
> > +&spi0  {
> > +	status = "okay";
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
> > +
> > +	flash@0 {
> > +		#address-cells = <1>;
> > +		#size-cells = <1>;
> > +		compatible = "jedec,spi-nor";
> > +		reg = <0>;
> > +		spi-max-frequency = <40000000>;
> > +	};
> > +};
> > +
> > +&uart0 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&uart0_ph_pins>;
> > +	status = "okay";
> > +};
> > +
> > +&usbotg {
> > +	/*
> > +	 * PHY0 pins are connected to a USB-C socket, but a role switch
> > +	 * is not implemented: both CC pins are pulled to GND.
> > +	 * The VBUS pins power the device, so a fixed peripheral mode
> > +	 * is the best choice.
> > +	 * The board can be powered via GPIOs, in this case port0 *can*
> > +	 * act as a host (with a cable/adapter ignoring CC), as VBUS is
> > +	 * then provided by the GPIOs. Any user of this setup would
> > +	 * need to adjust the DT accordingly: dr_mode set to "host",
> > +	 * enabling OHCI0 and EHCI0.
> > +	 */
> > +	dr_mode = "peripheral";
> > +	status = "okay";
> > +};
> > +
> > +&usbphy {
> > +	usb1_vbus-supply = <&reg_vcc5v>;
> > +	status = "okay";
> > +};  
> 
> 
> 
> 
> 


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