Hi, On Wed, Aug 30, 2017 at 02:50:57PM +0200, Antony Antony wrote: > Add initial DT support for NanoPi NEO Plus2 by FriendlyARM > Allwinner quad core H5 Cortex A53 with an ARM Mali-450MP GPU > 1 GB DDR3 RAM > 8GB eMMC flash (Samsung KLM8G1WEPD-B031) > micro SD card slot > Gigabit Ethernet (external RTL8211E-VB-CG chip) > 802.11 b/g/n WiFi, Bluetooth 4.0 (Ampak AP6212A module) > 2x USB 2.0 host ports & 2x USB via headers This indendation is weird > The DTS is based on OrangePi PC 2, sun50i-h5-orangepi-pc2 > Added dwmac-sun8i Gigabit Ethernet support based on > Nano Pi Neo2 DT and the schematics. And that's outdated. > Signed-off-by: Antony Antony > --- > arch/arm64/boot/dts/allwinner/Makefile | 1 + > .../dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts | 262 +++++++++++++++++++++ > 2 files changed, 263 insertions(+) > create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts > > --- > Changes > v1 -> v2 > add wifi power controller, mmc1, mmc2 > remove reg_usb0_vbus > v2 -> v3 > fix typo s/orangepi/nanopi/, s/pus/plus/ > usb_otg set to host mode > wifi fix, based on commit 442e1f7e brcm,bcm43xx-fmac.txt > remove functions on header pins: spi, ir, ehci 1&2, ohci 1&2, uart 1&2 > remove hdmi, de2, r-gpio-keys, mixer - not supported the board > v3->v4 update WiFi chip compatible to bcm43430-fmac > v4->v5 back to bcm4329-fmac bcm43430-fmac is the wrong way. > > diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile > index 108f12c..e6810c8 100644 > --- a/arch/arm64/boot/dts/allwinner/Makefile > +++ b/arch/arm64/boot/dts/allwinner/Makefile > @@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo2.dtb > +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo-plus2.dtb > > always := $(dtb-y) > subdir-y := $(dts-dirs) > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts > new file mode 100644 > index 0000000..a6687db > --- /dev/null > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts > @@ -0,0 +1,262 @@ > +/* > + * Copyright (C) 2017 Antony Antony > + * Copyright (C) 2016 ARM Ltd. > + * > + * This file is dual-licensed: you can use it either under the terms > + * of the GPL or the X11 license, at your option. Note that this dual > + * licensing only applies to this file, and not this project as a > + * whole. > + * > + * a) This file is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 of the > + * License, or (at your option) any later version. > + * > + * This file is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * Or, alternatively, > + * > + * b) Permission is hereby granted, free of charge, to any person > + * obtaining a copy of this software and associated documentation > + * files (the "Software"), to deal in the Software without > + * restriction, including without limitation the rights to use, > + * copy, modify, merge, publish, distribute, sublicense, and/or > + * sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following > + * conditions: > + * > + * The above copyright notice and this permission notice shall be > + * included in all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES > + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT > + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, > + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. > + */ > + > +/dts-v1/; > +#include "sun50i-h5.dtsi" > + > +#include > +#include > +#include > + > +/ { > + model = "FriendlyARM NanoPi NEO Plus2"; > + compatible = "friendlyarm,nanopi-neo-plus2", "allwinner,sun50i-h5"; > + > + reg_vcc3v3: vcc3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "vcc3v3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + aliases { > + ethernet0 = &emac; > + serial0 = &uart0; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + pwr { > + label = "nanopi:green:pwr"; > + gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; > + default-state = "on"; > + }; > + > + status { > + label = "nanopi:red:status"; > + gpios = <&pio 0 20 GPIO_ACTIVE_HIGH>; > + }; > + }; > + > + reg_gmac_3v3: gmac-3v3 { > + compatible = "regulator-fixed"; > + pinctrl-names = "default"; > + pinctrl-0 = <&gmac_power_pin_nanopi>; > + regulator-name = "gmac-3v3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + startup-delay-us = <100000>; > + enable-active-high; > + gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>; > + }; > + > + vdd_cpux: gpio-regulator { > + compatible = "regulator-gpio"; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&vdd_cpux_r_npi>; > + > + 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 6 GPIO_ACTIVE_HIGH>; > + gpios-states = <0x1>; > + states = <1100000 0x0 > + 1300000 0x1>; > + }; > + > + wifi_pwrseq: wifi_pwrseq { > + compatible = "mmc-pwrseq-simple"; > + pinctrl-names = "default"; > + pinctrl-0 = <&wifi_en_npi>; > + reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */ > + post-power-on-delay-ms = <200>; > + }; You should order these nodes alphabetically. > +&codec { > + allwinner,audio-routing = > + "Line Out", "LINEOUT", > + "MIC1", "Mic", > + "Mic", "MBIAS"; > + status = "okay"; > +}; > + > +&ehci0 { > + status = "okay"; > +}; > + > +&ehci3 { > + status = "okay"; > +}; > + > +&emac { > + pinctrl-names = "default"; > + pinctrl-0 = <&emac_rgmii_pins>; > + phy-supply = <®_gmac_3v3>; > + phy-handle = <&ext_rgmii_phy>; > + phy-mode = "rgmii"; > + status = "okay"; > +}; > + > +&mdio { > + ext_rgmii_phy: ethernet-phy@7 { > + compatible = "ethernet-phy-ieee802.3-c22"; > + reg = <7>; > + }; > +}; This will not compile. > +&mmc0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>; > + vmmc-supply = <®_vcc3v3>; > + bus-width = <4>; > + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */ > + status = "okay"; > +}; > + > +&mmc1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc1_pins_a>; > + vmmc-supply = <®_vcc3v3>; > + vqmmc-supply = <®_vcc3v3>; > + mmc-pwrseq = <&wifi_pwrseq>; > + bus-width = <4>; > + non-removable; > + boot_device = <0>; This property is not documented anywhere, I'm not sure what it's here for. > + status = "okay"; > + > + /* > + * AMPAK AP6212A WiFi module with BCM43430, rev=1 inside > + * sdio vendor ID: 0x02d0, sdio device ID: 0xa9a6 > + * There is no specific Documentation: dt-binding for BCM43430 > + * brcm,bcm4329-fmac compatible can initialize this module > + */ This is not really relevant. > + brcmf: wifi@1 { > + reg = <1>; > + compatible = "brcm,bcm4329-fmac"; > + }; > +}; > + > +&mmc2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc2_8bit_pins>; > + vmmc-supply = <®_vcc3v3>; > + bus-width = <8>; > + non-removable; > + cap-mmc-hw-reset; > + boot_device = <0>; > + status = "okay"; > +}; > + > +&mmc2_8bit_pins { > + /* Increase drive strength for DDR modes */ > + drive-strength = <40>; It's very likely that you actually don't need 40mA > + /* eMMC is missing pull-ups */ > + bias-pull-up; > +}; And that one is already here by default. > +&ohci0 { > + status = "okay"; > +}; > + > +&ohci3 { > + status = "okay"; > +}; > + > +&pio { > + leds_npi: led_pins@0 { > + pins = "PA10"; > + function = "gpio_out"; > + }; > + gmac_power_pin_nanopi: gmac_power_pin@0 { > + pins = "PD6"; > + function = "gpio_out"; > + }; > +}; You don't need these nodes > + > +&r_pio { > + leds_r_npi: led_pins@0 { > + pins = "PL10"; > + function = "gpio_out"; > + }; > + > + vdd_cpux_r_npi: regulator_pins@0 { > + allwinner,pins = "PL6"; > + allwinner,function = "gpio_out"; > + allwinner,drive = ; > + allwinner,pull = ; > + }; > + > + wifi_en_npi: wifi_en_pin { > + pins = "PL7"; > + function = "gpio_out"; > + }; > +}; Or those. > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_pins_a>; > + status = "okay"; > +}; > + > +&usb_otg { > + dr_mode = "host"; > + status = "okay"; > +}; > + > +&usbphy { > + /* USB Type-A ports' VBUS is always on */ > + usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ If it has an ID-detect pin, then it's not a host-only USB OTG controller. dr_mode should be set to otg. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com