| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| /* |
| * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> |
| * |
| * Based on sun8i-h3-bananapi-m2-plus.dts, which is: |
| * Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org> |
| */ |
| |
| /dts-v1/; |
| #include "sun8i-h3.dtsi" |
| #include "sunxi-common-regulators.dtsi" |
| |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/input/input.h> |
| |
| / { |
| model = "Banana Pi BPI-M2-Zero"; |
| compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus"; |
| |
| aliases { |
| serial0 = &uart0; |
| serial1 = &uart1; |
| }; |
| |
| chosen { |
| stdout-path = "serial0:115200n8"; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| pinctrl-names = "default"; |
| |
| pwr_led { |
| label = "bananapi-m2-zero:red:pwr"; |
| gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */ |
| default-state = "on"; |
| }; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| pinctrl-names = "default"; |
| |
| sw4 { |
| label = "power"; |
| linux,code = <BTN_0>; |
| gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; |
| }; |
| }; |
| |
| reg_vdd_cpux: vdd-cpux-regulator { |
| compatible = "regulator-gpio"; |
| regulator-name = "vdd-cpux"; |
| regulator-type = "voltage"; |
| regulator-boot-on; |
| regulator-always-on; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1300000>; |
| regulator-ramp-delay = <50>; /* 4ms */ |
| |
| gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */ |
| enable-active-high; |
| gpios-states = <0x1>; |
| states = <1100000 0x0 |
| 1300000 0x1>; |
| }; |
| |
| wifi_pwrseq: wifi_pwrseq { |
| compatible = "mmc-pwrseq-simple"; |
| pinctrl-names = "default"; |
| reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */ |
| }; |
| }; |
| |
| &cpu0 { |
| cpu-supply = <®_vdd_cpux>; |
| }; |
| |
| &ehci0 { |
| status = "okay"; |
| }; |
| |
| &mmc0 { |
| vmmc-supply = <®_vcc3v3>; |
| bus-width = <4>; |
| /* |
| * On the production batch of this board the card detect GPIO is |
| * high active (card inserted), although on the early samples it's |
| * low active. |
| */ |
| cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */ |
| status = "okay"; |
| }; |
| |
| &mmc1 { |
| vmmc-supply = <®_vcc3v3>; |
| vqmmc-supply = <®_vcc3v3>; |
| mmc-pwrseq = <&wifi_pwrseq>; |
| bus-width = <4>; |
| non-removable; |
| status = "okay"; |
| |
| brcmf: wifi@1 { |
| reg = <1>; |
| compatible = "brcm,bcm4329-fmac"; |
| interrupt-parent = <&pio>; |
| interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */ |
| interrupt-names = "host-wake"; |
| }; |
| }; |
| |
| &ohci0 { |
| status = "okay"; |
| }; |
| |
| &uart0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart0_pins_a>; |
| status = "okay"; |
| }; |
| |
| &uart1 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; |
| status = "okay"; |
| }; |
| |
| &usb_otg { |
| dr_mode = "otg"; |
| status = "okay"; |
| }; |
| |
| &usbphy { |
| usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ |
| /* |
| * There're two micro-USB connectors, one is power-only and another is |
| * OTG. The Vbus of these two connectors are connected together, so |
| * the external USB device will be powered just by the power input |
| * from the power-only USB port. |
| */ |
| status = "okay"; |
| }; |