Hi Andre!
Dne ponedeljek, 18. december 2023 ob 00:24:05 CET je Andre Przywara napisal(a):
> The BananaPi M4 Berry is a development board using the Allwinner H618
> SoC. It comes with the following specs:
> - Allwinner H618 SoC (4 * Arm Cortex-A53 cores, 1MB L2 cache)
> - 2 GiB LPDDR4 DRAM
> - 8 GiB eMMC flash
> - AXP313a PMIC
> - Gigabit Ethernet, using RTL8211 PHY
> - RTL8821CU USB WiFi chip
> - HDMI port
> - 4 * USB 2.0 ports, via an on-board hub chip
> - microSD card slot
> - 3.5mm A/V port
> - power supply and USB-OTG via USB-C connector
>
> Add a devicetree file describing the components that we already have
> bindings for, that excludes audio and video at the moment.
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
> ---
> arch/arm64/boot/dts/allwinner/Makefile | 1 +
> .../sun50i-h618-bananapi-m4-berry.dts | 229 ++++++++++++++++++
> 2 files changed, 230 insertions(+)
> create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4-berry.dts
>
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index 91d505b385de5..ed016688bb56f 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -42,5 +42,6 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-bigtreetech-cb1-manta.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-bigtreetech-pi.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-x96-mate.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-bananapi-m4-berry.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-orangepi-zero3.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-transpeed-8k618-t.dtb
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4-berry.dts b/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4-berry.dts
> new file mode 100644
> index 0000000000000..11d893a767d4e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4-berry.dts
> @@ -0,0 +1,229 @@
> +// 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/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> + model = "BananaPi M4 Berry";
> + compatible = "sinovoip,bananapi-m4-berry", "allwinner,sun50i-h618";
> +
> + aliases {
> + ethernet0 = &emac0;
> + 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 12 GPIO_ACTIVE_LOW>; /* PC12 */
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + key-sw4 {
"key-sw3"
> + label = "sw3";
> + linux,code = <BTN_0>;
> + gpios = <&pio 2 7 GPIO_ACTIVE_LOW>; /* PC7 */
> + };
> + };
> +
> + 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_usb_vbus: regulator-usb-vbus {
> + /* separate discrete regulator for the USB ports */
> + compatible = "regulator-fixed";
> + regulator-name = "usb-vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <®_vcc5v>;
> + };
> +
> + reg_3v3: regulator-3v3 {
> + /* separate discrete regulator for WiFi and Ethernet PHY */
> + compatible = "regulator-fixed";
> + regulator-name = "vcc-3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <®_vcc5v>;
> + };
> +};
> +
> +&cpu0 {
> + cpu-supply = <®_dcdc2>;
> +};
> +
> +/* Connected to an on-board RTL8821CU USB WiFi chip. */
> +&ehci1 {
> + status = "okay";
> +};
> +
> +/* on unpopulated pins */
> +&ehci2 {
> + status = "disabled";
> +};
Just drop above node. I get that it's for documenting purposes, but user need
to use DT overlay in any case.
> +
> +/* Connected to an on-board FE1.1s USB hub chip, supplying 4 USB-A ports. */
> +&ehci3 {
> + status = "okay";
> +};
> +
> +&emac0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&ext_rgmii_pins>;
> + phy-mode = "rgmii";
> + phy-handle = <&ext_rgmii_phy>;
> + phy-supply = <®_3v3>;
> + allwinner,rx-delay-ps = <3100>;
> + allwinner,tx-delay-ps = <700>;
> + status = "okay";
> +};
> +
> +&ir {
> + status = "okay";
> +};
> +
> +&mdio0 {
> + ext_rgmii_phy: ethernet-phy@1 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <1>;
> + reset-gpios = <&pio 8 16 GPIO_ACTIVE_LOW>; /* PI16 */
> + };
> +};
> +
> +&mmc0 {
> + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
> + vmmc-supply = <®_dldo1>;
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> +&mmc2 {
> + vmmc-supply = <®_dldo1>;
> + vqmmc-supply = <®_aldo1>;
> + bus-width = <8>;
> + non-removable;
> + cap-mmc-hw-reset;
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + status = "okay";
> +};
> +
> +/* USB ports 1 and 3 connect to onboard devices that are high-speed only. */
> +
> +/* on unpopulated pins */
> +&ohci2 {
> + status = "disabled";
> +};
Ditto.
Best regards,
Jernej
> +
> +&pio {
> + vcc-pc-supply = <®_aldo1>;
> + vcc-pf-supply = <®_dldo1>;
> + vcc-pg-supply = <®_dldo1>;
> + vcc-ph-supply = <®_dldo1>;
> + 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>;
> +
> + vin1-supply = <®_vcc5v>;
> + vin2-supply = <®_vcc5v>;
> + vin3-supply = <®_vcc5v>;
> +
> + regulators {
> + reg_aldo1: aldo1 {
> + regulator-always-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc-1v8-pll";
> + };
> +
> + reg_dldo1: dldo1 {
> + regulator-always-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc-3v3-io";
> + };
> +
> + 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";
> + };
> + };
> + };
> +};
> +
> +&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 via a 5.1K resistor.
> + * 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 {
> + usb3_vbus-supply = <®_usb_vbus>;
> + status = "okay";
> +};
>
