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2c7c040c73
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>
140 lines
2.7 KiB
Plaintext
140 lines
2.7 KiB
Plaintext
/*
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* Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/dts-v1/;
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#include "bcm2835.dtsi"
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#include "bcm2835-rpi.dtsi"
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#include "bcm283x-rpi-usb-host.dtsi"
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/ {
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compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
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model = "Raspberry Pi Zero W";
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/* Needed by firmware to properly init UARTs */
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aliases {
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uart0 = "/soc/serial@7e201000";
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uart1 = "/soc/serial@7e215040";
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serial0 = "/soc/serial@7e201000";
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serial1 = "/soc/serial@7e215040";
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};
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leds {
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act {
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gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
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};
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};
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wifi_pwrseq: wifi-pwrseq {
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compatible = "mmc-pwrseq-simple";
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pinctrl-names = "default";
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pinctrl-0 = <&wl_on>;
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reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
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};
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};
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&gpio {
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/*
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* This is based on the official GPU firmware DT blob.
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*
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* Legend:
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* "NC" = not connected (no rail from the SoC)
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* "FOO" = GPIO line named "FOO" on the schematic
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* "FOO_N" = GPIO line named "FOO" on schematic, active low
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*/
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gpio-line-names = "GPIO0",
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"GPIO1",
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"SDA1",
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"SCL1",
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"GPIO_GCLK",
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"GPIO5",
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"GPIO6",
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"SPI_CE1_N",
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"SPI_CE0_N",
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"SPI_MISO",
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"SPI_MOSI",
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"SPI_SCLK",
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"GPIO12",
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"GPIO13",
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/* Serial port */
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"TXD0",
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"RXD0",
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"GPIO16",
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"GPIO17",
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"GPIO18",
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"GPIO19",
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"GPIO20",
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"GPIO21",
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"GPIO22",
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"GPIO23",
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"GPIO24",
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"GPIO25",
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"GPIO26",
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"GPIO27",
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"SDA0",
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"SCL0",
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"NC", /* GPIO30 */
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"NC", /* GPIO31 */
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"NC", /* GPIO32 */
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"NC", /* GPIO33 */
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"NC", /* GPIO34 */
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"NC", /* GPIO35 */
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"NC", /* GPIO36 */
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"NC", /* GPIO37 */
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"NC", /* GPIO38 */
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"NC", /* GPIO39 */
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"CAM_GPIO1", /* GPIO40 */
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"WL_ON", /* GPIO41 */
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"NC", /* GPIO42 */
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"WIFI_CLK", /* GPIO43 */
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"CAM_GPIO0", /* GPIO44 */
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"BT_ON", /* GPIO45 */
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"HDMI_HPD_N",
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"STATUS_LED_N",
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/* Used by SD Card */
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"SD_CLK_R",
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"SD_CMD_R",
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"SD_DATA0_R",
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"SD_DATA1_R",
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"SD_DATA2_R",
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"SD_DATA3_R";
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pinctrl-0 = <&gpioout &alt0>;
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wl_on: wl-on {
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brcm,pins = <41>;
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brcm,function = <BCM2835_FSEL_GPIO_OUT>;
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};
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};
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&hdmi {
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hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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};
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&sdhci {
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
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mmc-pwrseq = <&wifi_pwrseq>;
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non-removable;
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status = "okay";
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brcmf: wifi@1 {
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reg = <1>;
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compatible = "brcm,bcm4329-fmac";
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};
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_gpio14>;
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status = "okay";
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};
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