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@xxxxxxx>
I compared it to the schematic and all values looks good. Sadly, it missed
merge window.
Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
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 = <®_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 = <®_vcc3v3>;
> + status = "okay";
> +};
> +
> +&ohci1 {
> + status = "okay";
> +};
> +
> +&pio {
> + vcc-pc-supply = <®_dldo1>;
> + vcc-pf-supply = <®_dldo1>; /* internally via VCC-IO */
> + vcc-pg-supply = <®_aldo1>;
> + vcc-ph-supply = <®_dldo1>; /* internally via VCC-IO */
> + vcc-pi-supply = <®_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 = <®_vcc5v>;
> + vin2-supply = <®_vcc5v>;
> + vin3-supply = <®_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 = <®_vcc5v>;
> + status = "okay";
> +};
