The Sipeed Longan SoM 3H is a system on module based on the Allwinner H618 SoC. The SoM features: - Four ARM Cortex-A53 cores, Mali-G31 MP2 GPU - 2/4 GiB LPDDR4 DRAM SoMs - AXP313a PMIC - eMMC The Sipeed Longan PI 3H is a development board based on the above SoM. The board features: - Longan SoM 3H - Raspberry-Pi-1 compatible GPIO header - 2 USB 2.0 host port - 1 USB 2.0 type C port (power supply + OTG) - MicroSD slot - 1Gbps Ethernet port (via RTL8211 PHY) - HDMI port - WiFi/BT chip Add the devicetree file describing the currently supported features, namely PMIC, LEDs, UART, SD card, eMMC, USB and Ethernet. Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx> --- arch/arm64/boot/dts/allwinner/Makefile | 1 + .../sun50i-h618-longan-module-3h.dtsi | 75 +++++++++ .../dts/allwinner/sun50i-h618-longanpi-3h.dts | 144 ++++++++++++++++++ 3 files changed, 220 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h618-longan-module-3h.dtsi create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h618-longanpi-3h.dts diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile index 91d505b385de..4b9173a16efe 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-$(CONFIG_ARCH_SUNXI) += sun50i-h618-longanpi-3h.dtb dtb-$(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-longan-module-3h.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h618-longan-module-3h.dtsi new file mode 100644 index 000000000000..8c1263a3939e --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-longan-module-3h.dtsi @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) Jisheng Zhang <jszhang@xxxxxxxxxx> + */ + +#include "sun50i-h616.dtsi" + +&mmc2 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc2_pins>; + 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"; +}; + +&r_i2c { + status = "okay"; + + axp313: pmic@36 { + compatible = "x-powers,axp313a"; + reg = <0x36>; + #interrupt-cells = <1>; + interrupt-controller; + + 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"; + }; + }; + }; +}; + +&pio { + vcc-pc-supply = <®_dldo1>; + vcc-pf-supply = <®_dldo1>; + vcc-pg-supply = <®_aldo1>; + vcc-ph-supply = <®_dldo1>; + vcc-pi-supply = <®_dldo1>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-longanpi-3h.dts b/arch/arm64/boot/dts/allwinner/sun50i-h618-longanpi-3h.dts new file mode 100644 index 000000000000..18b29c6b867f --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-longanpi-3h.dts @@ -0,0 +1,144 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) Jisheng Zhang <jszhang@xxxxxxxxxx> + */ + +/dts-v1/; + +#include "sun50i-h618-longan-module-3h.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/leds/common.h> + +/ { + model = "Sipeed Longan Pi 3H"; + compatible = "sipeed,longan-pi-3h", "sipeed,longan-module-3h", "allwinner,sun50i-h618"; + + aliases { + ethernet0 = &emac0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + leds { + compatible = "gpio-leds"; + + led-0 { + color = <LED_COLOR_ID_ORANGE>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <0>; + gpios = <&pio 6 2 GPIO_ACTIVE_LOW>; /* PG2 */ + }; + + led-1 { + color = <LED_COLOR_ID_ORANGE>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <1>; + gpios = <&pio 6 4 GPIO_ACTIVE_LOW>; /* PG4 */ + }; + }; + + reg_vcc5v: regulator-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: regulator-vcc3v3 { + compatible = "regulator-fixed"; + regulator-name = "vcc-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + vin-supply = <®_vcc5v>; + }; +}; + +&axp313 { + vin1-supply = <®_vcc5v>; + vin2-supply = <®_vcc5v>; + vin3-supply = <®_vcc5v>; +}; + +&ehci1 { + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; + +&ehci2 { + status = "okay"; +}; + +&ohci2 { + status = "okay"; +}; + +/* WiFi & BT combo module is connected to this Host */ +&ehci3 { + status = "okay"; +}; + +&ohci3 { + status = "okay"; +}; + +&emac0 { + pinctrl-names = "default"; + pinctrl-0 = <&ext_rgmii_pins>; + phy-mode = "rgmii"; + phy-handle = <&ext_rgmii_phy>; + allwinner,rx-delay-ps = <3100>; + allwinner,tx-delay-ps = <700>; + phy-supply = <®_vcc3v3>; + status = "okay"; +}; + +&mdio0 { + ext_rgmii_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + }; +}; + +&mmc0 { + bus-width = <4>; + cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */ + vmmc-supply = <®_vcc3v3>; + status = "okay"; +}; + +&uart0 { + 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>; + usb2_vbus-supply = <®_vcc5v>; + status = "okay"; +}; -- 2.43.0