Hi, On Tue, Dec 18, 2018 at 09:24:56PM +0000, Karl Palsson wrote: > This is an Allwinner H3 based board, with 512MB ram, a USB OTG port, > microsd slot, an onboard AP6212A wifi/bluetooth module, and a CSI > connector. > > Full details and schematic available from vendor: > http://wiki.friendlyarm.com/wiki/index.php/NanoPi_Duo2 > > Signed-off-by: Karl Palsson <karlp@xxxxxxxxxxxx> > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts | 148 +++++++++++++++++++++++++++++ > 2 files changed, 149 insertions(+) > create mode 100644 arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 78551c4375d5..7f296bfea94a 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -1063,6 +1063,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \ > sun8i-h3-beelink-x2.dtb \ > sun8i-h3-libretech-all-h3-cc.dtb \ > sun8i-h3-mapleboard-mp130.dtb \ > + sun8i-h3-nanopi-duo2.dtb \ > sun8i-h3-nanopi-m1.dtb \ > sun8i-h3-nanopi-m1-plus.dtb \ > sun8i-h3-nanopi-neo.dtb \ > diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts > new file mode 100644 > index 000000000000..07d2f1bebd56 > --- /dev/null > +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts > @@ -0,0 +1,148 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (C) 2018 Karl Palsson <karlp@xxxxxxxxxxxx> > + */ > + > +/dts-v1/; > +#include "sun8i-h3.dtsi" > +#include "sunxi-common-regulators.dtsi" > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/input/input.h> > + > +/ { > + model = "FriendlyARM NanoPi Duo2"; > + compatible = "friendlyarm,nanopi-duo2", "allwinner,sun8i-h3"; > + > + aliases { > + serial0 = &uart0; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + status { > + label = "nanopi:green:status"; > + gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>; > + linux,default-trigger = "heartbeat"; > + }; > + > + pwr { > + label = "nanopi:red:pwr"; > + gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; > + default-state = "on"; > + }; > + }; > + > + r_gpio_keys { > + compatible = "gpio-keys"; > + pinctrl-names = "default"; > + pinctrl-0 = <&sw_r_npi>; > + > + k1 { > + label = "k1"; > + 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-boot-on; > + regulator-always-on; > + regulator-min-microvolt = <1100000>; > + regulator-max-microvolt = <1300000>; > + regulator-ramp-delay = <50>; /* 4ms */ > + > + gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ > + enable-active-high; > + gpios-states = <0x1>; > + states = <1100000 0x0 > + 1300000 0x1>; > + }; > + > + wifi_pwrseq: wifi_pwrseq { > + compatible = "mmc-pwrseq-simple"; > + reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */ > + }; > + > +}; > + > +&cpu0 { > + cpu-supply = <®_vdd_cpux>; > +}; > + > +&usb_otg { > + status = "okay"; > + dr_mode = "otg"; > +}; > + > +&ehci0 { > + status = "okay"; > +}; > + > +&ohci0 { > + status = "okay"; > +}; > + > +®_usb0_vbus { > + gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */ > + status = "okay"; > +}; > + > +&r_pio { > + sw_r_npi: key_pins { > + pins = "PL3"; > + function = "gpio_in"; > + }; > +}; This node isn't needed you can just remove it > +&usbphy { > + usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ > + usb0_vbus-supply = <®_usb0_vbus>; > + status = "okay"; > +}; > + > +&mmc0 { > + bus-width = <4>; > + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; > + status = "okay"; > + vmmc-supply = <®_vcc3v3>; > +}; > + > +&mmc1 { > + vmmc-supply = <®_vcc3v3>; > + vqmmc-supply = <®_vcc3v3>; > + mmc-pwrseq = <&wifi_pwrseq>; > + bus-width = <4>; > + non-removable; > + status = "okay"; > + > + sdio_wifi: sdio_wifi@1 { > + reg = <1>; > + compatible = "brcm,bcm4329-fmac"; > + interrupt-parent = <&pio>; > + interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */ > + interrupt-names = "host-wake"; > + }; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_pins_a>; > + status = "okay"; > +}; > + > +&uart2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart2_pins>, <&uart2_rts_cts_pins>; > + uart-has-rtscts; > + status = "okay"; > + > + /* bluetooth goes here */ The patches for the bluetooth support using serdev by Chen-Yu just got in: http://lists.infradead.org/pipermail/linux-arm-kernel/2018-December/621207.html Ideally, you should put a dt node for the bluetooth part here. Thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
