Stefan Wahren <stefan.wahren@xxxxxxxx> writes: > The Raspberry Pi Zero W has the same components like the Zero plus > a Cypress CYW43438 wireless chip (wifi + bl). I sent out v2 of the arm64 patch so that hopefully we can get started merging this. Couple of comments on a re-read. > Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> > Reviewed-by: Eric Anholt <eric@xxxxxxxxxx> > --- > arch/arm/boot/dts/Makefile | 3 +- > arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 73 ++++++++++++++++++++++++++++++++ > 2 files changed, 75 insertions(+), 1 deletion(-) > create mode 100644 arch/arm/boot/dts/bcm2835-rpi-zero-w.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index ec60f4f..f3bf9397 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -74,7 +74,8 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ > bcm2835-rpi-a-plus.dtb \ > bcm2836-rpi-2-b.dtb \ > bcm2837-rpi-3-b.dtb \ > - bcm2835-rpi-zero.dtb > + bcm2835-rpi-zero.dtb \ > + bcm2835-rpi-zero-w.dtb > dtb-$(CONFIG_ARCH_BCM_5301X) += \ > bcm4708-asus-rt-ac56u.dtb \ > bcm4708-asus-rt-ac68u.dtb \ > diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts > new file mode 100644 > index 0000000..9c6d714 > --- /dev/null > +++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts > @@ -0,0 +1,73 @@ > +/* > + * Copyright (C) 2017 Stefan Wahren <stefan.wahren@xxxxxxxx> > + * > + * The code contained herein is licensed under the GNU General Public > + * License. You may obtain a copy of the GNU General Public License > + * Version 2 or later at the following locations: > + * > + * http://www.opensource.org/licenses/gpl-license.html > + * http://www.gnu.org/copyleft/gpl.html > + */ > + > +/dts-v1/; > +#include "bcm2835.dtsi" > +#include "bcm2835-rpi.dtsi" > +#include "bcm283x-rpi-usb-host.dtsi" > + > +/ { > + compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; > + model = "Raspberry Pi Zero W"; > + > + aliases { > + uart0 = "/soc/serial@7e201000"; > + uart1 = "/soc/serial@7e215040"; > + serial0 = "/soc/serial@7e201000"; > + serial1 = "/soc/serial@7e215040"; > + }; Should we have this in the other board DTs? What does it do? > + > + leds { > + act { > + gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; > + }; > + }; > + > + wifi_pwrseq: wifi-pwrseq { > + compatible = "mmc-pwrseq-simple"; > + pinctrl-names = "default"; > + pinctrl-0 = <&wl_on>; > + reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; > + }; > +}; > + > +&gpio { > + pinctrl-0 = <&gpioout &alt0>; > + > + wl_on: wl-on { > + brcm,pins = <41>; > + brcm,function = <BCM2835_FSEL_GPIO_OUT>; > + }; > +}; Would you be up for adding gpio-line-names based on the dt-blob.dts? > + > +&hdmi { > + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; > +}; > + > +&sdhci { > + #address-cells = <1>; > + #size-cells = <0>; > + pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; > + mmc-pwrseq = <&wifi_pwrseq>; > + non-removable; > + status = "okay"; > + > + brcmf: wifi@1 { > + reg = <1>; > + compatible = "brcm,bcm4329-fmac"; > + }; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_gpio14>; > + status = "okay"; > +}; > -- > 2.7.4
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