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ARM: dts: bcm2835: Add Raspberry Pi Zero W
The Raspberry Pi Zero W has the same components like the Zero plus a Cypress CYW43438 wireless chip (wifi + bl). Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Eric Anholt <eric@anholt.net>
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/* | ||
* Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com> | ||
* | ||
* 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 | ||
*/ | ||
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/dts-v1/; | ||
#include "bcm2835.dtsi" | ||
#include "bcm2835-rpi.dtsi" | ||
#include "bcm283x-rpi-usb-host.dtsi" | ||
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/ { | ||
compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; | ||
model = "Raspberry Pi Zero W"; | ||
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/* Needed by firmware to properly init UARTs */ | ||
aliases { | ||
uart0 = "/soc/serial@7e201000"; | ||
uart1 = "/soc/serial@7e215040"; | ||
serial0 = "/soc/serial@7e201000"; | ||
serial1 = "/soc/serial@7e215040"; | ||
}; | ||
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leds { | ||
act { | ||
gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; | ||
}; | ||
}; | ||
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wifi_pwrseq: wifi-pwrseq { | ||
compatible = "mmc-pwrseq-simple"; | ||
pinctrl-names = "default"; | ||
pinctrl-0 = <&wl_on>; | ||
reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; | ||
}; | ||
}; | ||
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&gpio { | ||
/* | ||
* This is based on the official GPU firmware DT blob. | ||
* | ||
* Legend: | ||
* "NC" = not connected (no rail from the SoC) | ||
* "FOO" = GPIO line named "FOO" on the schematic | ||
* "FOO_N" = GPIO line named "FOO" on schematic, active low | ||
*/ | ||
gpio-line-names = "GPIO0", | ||
"GPIO1", | ||
"SDA1", | ||
"SCL1", | ||
"GPIO_GCLK", | ||
"GPIO5", | ||
"GPIO6", | ||
"SPI_CE1_N", | ||
"SPI_CE0_N", | ||
"SPI_MISO", | ||
"SPI_MOSI", | ||
"SPI_SCLK", | ||
"GPIO12", | ||
"GPIO13", | ||
/* Serial port */ | ||
"TXD0", | ||
"RXD0", | ||
"GPIO16", | ||
"GPIO17", | ||
"GPIO18", | ||
"GPIO19", | ||
"GPIO20", | ||
"GPIO21", | ||
"GPIO22", | ||
"GPIO23", | ||
"GPIO24", | ||
"GPIO25", | ||
"GPIO26", | ||
"GPIO27", | ||
"SDA0", | ||
"SCL0", | ||
"NC", /* GPIO30 */ | ||
"NC", /* GPIO31 */ | ||
"NC", /* GPIO32 */ | ||
"NC", /* GPIO33 */ | ||
"NC", /* GPIO34 */ | ||
"NC", /* GPIO35 */ | ||
"NC", /* GPIO36 */ | ||
"NC", /* GPIO37 */ | ||
"NC", /* GPIO38 */ | ||
"NC", /* GPIO39 */ | ||
"CAM_GPIO1", /* GPIO40 */ | ||
"WL_ON", /* GPIO41 */ | ||
"NC", /* GPIO42 */ | ||
"WIFI_CLK", /* GPIO43 */ | ||
"CAM_GPIO0", /* GPIO44 */ | ||
"BT_ON", /* GPIO45 */ | ||
"HDMI_HPD_N", | ||
"STATUS_LED_N", | ||
/* Used by SD Card */ | ||
"SD_CLK_R", | ||
"SD_CMD_R", | ||
"SD_DATA0_R", | ||
"SD_DATA1_R", | ||
"SD_DATA2_R", | ||
"SD_DATA3_R"; | ||
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pinctrl-0 = <&gpioout &alt0>; | ||
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wl_on: wl-on { | ||
brcm,pins = <41>; | ||
brcm,function = <BCM2835_FSEL_GPIO_OUT>; | ||
}; | ||
}; | ||
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&hdmi { | ||
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; | ||
}; | ||
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&sdhci { | ||
#address-cells = <1>; | ||
#size-cells = <0>; | ||
pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; | ||
mmc-pwrseq = <&wifi_pwrseq>; | ||
non-removable; | ||
status = "okay"; | ||
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brcmf: wifi@1 { | ||
reg = <1>; | ||
compatible = "brcm,bcm4329-fmac"; | ||
}; | ||
}; | ||
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&uart0 { | ||
pinctrl-names = "default"; | ||
pinctrl-0 = <&uart0_gpio14>; | ||
status = "okay"; | ||
}; |