在 2024-09-13星期五的 18:48 +0800，Icenowy Zheng写道： > RerVision A33-Vstar board is a board based on their A33-Core1 SoM > (A33 > SoC + 512MiB DRAM + 4GiB eMMC + AXP223 PMIC), with multiple > peripherals: > > - MicroSD card slot > - 4.0mm/1.7mm DC jack connected to ACIN of AXP223 (and a XH2.54 2-pin > connector for alternative 5V DC IN) > - OTG-capable microUSB port > - Reserved pads for soldering Li-ion battery and/or 3V RTC battery > - 3 LRADC-attached keys and 2 fixed function power/reset keys > - AP6212 Wi-Fi/BT combo module > - On-board GL850G hub attached to the USB host port of A33, and a > RTL8152 USB Ethernet chip at the downstream of the hub > - Onboard microphone (not supported yet) and headphone jack > - 3 UART ports as PH2.0 3-pin connectors (UART2 one is currently used > as > debug output and others are ignored yet) > > Signed-off-by: Icenowy Zheng <uwu@xxxxxxxxxx> > --- Add a dependency to this patch at [1], which allows GL850G to have downstream device nodes in DT. [1] https://lore.kernel.org/lkml/20240917094008.283529-1-uwu@xxxxxxxxxx/ > arch/arm/boot/dts/allwinner/Makefile | 1 + > .../dts/allwinner/sun8i-a33-vstar-core1.dtsi | 96 ++++++++ > .../boot/dts/allwinner/sun8i-a33-vstar.dts | 205 > ++++++++++++++++++ > 3 files changed, 302 insertions(+) > create mode 100644 arch/arm/boot/dts/allwinner/sun8i-a33-vstar- > core1.dtsi > create mode 100644 arch/arm/boot/dts/allwinner/sun8i-a33-vstar.dts > > diff --git a/arch/arm/boot/dts/allwinner/Makefile > b/arch/arm/boot/dts/allwinner/Makefile > index cd0d044882cf8..d548f4a2621a1 100644 > --- a/arch/arm/boot/dts/allwinner/Makefile > +++ b/arch/arm/boot/dts/allwinner/Makefile > @@ -215,6 +215,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \ > sun8i-a33-olinuxino.dtb \ > sun8i-a33-q8-tablet.dtb \ > sun8i-a33-sinlinx-sina33.dtb \ > + sun8i-a33-vstar.dtb \ > sun8i-a83t-allwinner-h8homlet-v2.dtb \ > sun8i-a83t-bananapi-m3.dtb \ > sun8i-a83t-cubietruck-plus.dtb \ > diff --git a/arch/arm/boot/dts/allwinner/sun8i-a33-vstar-core1.dtsi > b/arch/arm/boot/dts/allwinner/sun8i-a33-vstar-core1.dtsi > new file mode 100644 > index 0000000000000..ba794b842ec4e > --- /dev/null > +++ b/arch/arm/boot/dts/allwinner/sun8i-a33-vstar-core1.dtsi > @@ -0,0 +1,96 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (C) 2024 Icenowy Zheng <uwu@xxxxxxxxxx> > + */ > + > +#include "sun8i-a33.dtsi" > + > +&mmc2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc2_8bit_pins>; > + vmmc-supply = <®_dcdc1>; > + bus-width = <8>; > + non-removable; > + cap-mmc-hw-reset; > + status = "okay"; > +}; > + > +&mmc2_8bit_pins { > + /* Increase drive strength for DDR modes */ > + drive-strength = <40>; > +}; > + > +&r_rsb { > + status = "okay"; > + > + axp22x: pmic@3a3 { > + compatible = "x-powers,axp223"; > + reg = <0x3a3>; > + interrupt-parent = <&r_intc>; > + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>; > + eldoin-supply = <®_dcdc1>; > + x-powers,drive-vbus-en; > + }; > +}; > + > +#include "axp223.dtsi" > + > +®_aldo1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-io"; > +}; > + > +®_aldo2 { > + regulator-always-on; > + regulator-min-microvolt = <2350000>; > + regulator-max-microvolt = <2650000>; > + regulator-name = "vdd-dll"; > +}; > + > +®_aldo3 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-avcc"; > +}; > + > +®_dc5ldo { > + regulator-always-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <1400000>; > + regulator-name = "vdd-cpus"; > +}; > + > +®_dcdc1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-3v3"; > +}; > + > +®_dcdc2 { > + regulator-always-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <1400000>; > + regulator-name = "vdd-sys"; > +}; > + > +®_dcdc3 { > + regulator-always-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <1400000>; > + regulator-name = "vdd-cpu"; > +}; > + > +®_dcdc5 { > + regulator-always-on; > + regulator-min-microvolt = <1500000>; > + regulator-max-microvolt = <1500000>; > + regulator-name = "vcc-dram"; > +}; > + > +®_rtc_ldo { > + regulator-name = "vcc-rtc"; > +}; > diff --git a/arch/arm/boot/dts/allwinner/sun8i-a33-vstar.dts > b/arch/arm/boot/dts/allwinner/sun8i-a33-vstar.dts > new file mode 100644 > index 0000000000000..9f5c29b3df46d > --- /dev/null > +++ b/arch/arm/boot/dts/allwinner/sun8i-a33-vstar.dts > @@ -0,0 +1,205 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (C) 2024 Icenowy Zheng <uwu@xxxxxxxxxx> > + */ > + > +/dts-v1/; > +#include "sun8i-a33-vstar-core1.dtsi" > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/input/input.h> > + > +/ { > + model = "Rervision A33-Vstar"; > + compatible = "rervision,a33-vstar", > + "rervision,a33-core1", > + "allwinner,sun8i-a33"; > + > + aliases { > + serial0 = &uart0; > + ethernet0 = &r8152; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + reg_usb1_vbus: regulator-usb1-vbus { > + compatible = "regulator-fixed"; > + regulator-name = "usb1-vbus"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + regulator-boot-on; > + enable-active-high; > + gpio = <&pio 1 2 GPIO_ACTIVE_HIGH>; /* PB2 */ > + }; > + > + wifi_pwrseq: pwrseq { > + compatible = "mmc-pwrseq-simple"; > + reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */ > + clocks = <&rtc CLK_OSC32K_FANOUT>; > + clock-names = "ext_clock"; > + }; > +}; > + > +&ac_power_supply { > + status = "okay"; > +}; > + > +&codec { > + status = "okay"; > +}; > + > +&dai { > + status = "okay"; > +}; > + > +&ehci0 { > + #address-cells = <1>; > + #size-cells = <0>; > + status = "okay"; > + > + hub@1 { > + /* Onboard GL850G hub which needs no extra power > sequence */ > + compatible = "usb5e3,608"; > + reg = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + r8152: ethernet@4 { > + /* > + * Onboard Realtek RTL8152 USB Ethernet, > + * with no MAC address programmed > + */ > + compatible = "usbbda,8152"; > + reg = <4>; > + }; > + }; > +}; > + > +&lradc { > + vref-supply = <®_aldo3>; > + status = "okay"; > + > + button-191 { > + label = "V+"; > + linux,code = <KEY_VOLUMEUP>; > + channel = <0>; > + voltage = <191011>; > + }; > + > + button-391 { > + label = "V-"; > + linux,code = <KEY_VOLUMEDOWN>; > + channel = <0>; > + voltage = <391304>; > + }; > + > + button-600 { > + label = "BACK"; > + linux,code = <KEY_BACK>; > + channel = <0>; > + voltage = <600000>; > + }; > +}; > + > +&mmc0 { > + vmmc-supply = <®_dcdc1>; > + bus-width = <4>; > + cd-gpios = <&pio 1 4 GPIO_ACTIVE_LOW>; /* PB4 */ > + status = "okay"; > +}; > + > +&mmc1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc1_pg_pins>; > + vmmc-supply = <®_dldo1>; > + mmc-pwrseq = <&wifi_pwrseq>; > + bus-width = <4>; > + non-removable; > + status = "okay"; > + > + brcmf: wifi@1 { > + reg = <1>; > + compatible = "brcm,bcm4329-fmac"; > + interrupt-parent = <&r_pio>; > + interrupts = <0 7 IRQ_TYPE_LEVEL_LOW>; /* PL7 */ > + interrupt-names = "host-wake"; > + }; > +}; > + > +/* > + * Our WiFi chip needs both DLDO1 and DLDO2 to be powered at the > same > + * time, with the two being in sync. Since this is not really > + * supported right now, just use the two as always on, and we will > fix > + * it later. > + */ > +®_dldo1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-wifi0"; > +}; > + > +®_dldo2 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-wifi1"; > +}; > + > +®_drivevbus { > + regulator-name = "usb0-vbus"; > + status = "okay"; > +}; > + > +&sound { > + /* TODO: on-board microphone */ > + > + simple-audio-card,widgets = "Headphone", "Headphone Jack"; > + simple-audio-card,routing = > + "Left DAC", "DACL", > + "Right DAC", "DACR", > + "Headphone Jack", "HP"; > + status = "okay"; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_pb_pins>; > + status = "okay"; > +}; > + > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pg_pins>; > + uart-has-rtscts; > + status = "okay"; > + > + bluetooth { > + compatible = "brcm,bcm43438-bt"; > + clocks = <&rtc CLK_OSC32K_FANOUT>; > + clock-names = "lpo"; > + vbat-supply = <®_dldo1>; > + device-wakeup-gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; > /* PL10 */ > + host-wakeup-gpios = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* > PL9 */ > + shutdown-gpios = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* > PL8 */ > + }; > +}; > + > +&usb_otg { > + dr_mode = "otg"; > + status = "okay"; > +}; > + > +&usb_power_supply { > + status = "okay"; > +}; > + > +&usbphy { > + usb0_id_det-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */ > + usb0_vbus_power-supply = <&usb_power_supply>; > + usb0_vbus-supply = <®_drivevbus>; > + usb1_vbus-supply = <®_usb1_vbus>; > + status = "okay"; > +};
