1*724ba675SRob Herring// SPDX-License-Identifier: GPL-2.0+ 2*724ba675SRob Herring/* 3*724ba675SRob Herring * Copyright (C) 2022 Stefan Wahren <stefan.wahren@i2se.com> 4*724ba675SRob Herring */ 5*724ba675SRob Herring 6*724ba675SRob Herring/dts-v1/; 7*724ba675SRob Herring#include "bcm2837.dtsi" 8*724ba675SRob Herring#include "bcm2836-rpi.dtsi" 9*724ba675SRob Herring#include "bcm283x-rpi-led-deprecated.dtsi" 10*724ba675SRob Herring#include "bcm283x-rpi-usb-otg.dtsi" 11*724ba675SRob Herring#include "bcm283x-rpi-wifi-bt.dtsi" 12*724ba675SRob Herring 13*724ba675SRob Herring/ { 14*724ba675SRob Herring compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837"; 15*724ba675SRob Herring model = "Raspberry Pi Zero 2 W"; 16*724ba675SRob Herring 17*724ba675SRob Herring memory@0 { 18*724ba675SRob Herring device_type = "memory"; 19*724ba675SRob Herring reg = <0 0x20000000>; 20*724ba675SRob Herring }; 21*724ba675SRob Herring 22*724ba675SRob Herring chosen { 23*724ba675SRob Herring /* 8250 auxiliary UART instead of pl011 */ 24*724ba675SRob Herring stdout-path = "serial1:115200n8"; 25*724ba675SRob Herring }; 26*724ba675SRob Herring}; 27*724ba675SRob Herring 28*724ba675SRob Herring&bt { 29*724ba675SRob Herring shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; 30*724ba675SRob Herring}; 31*724ba675SRob Herring 32*724ba675SRob Herring&gpio { 33*724ba675SRob Herring /* 34*724ba675SRob Herring * This is based on the official GPU firmware DT blob. 35*724ba675SRob Herring * 36*724ba675SRob Herring * Legend: 37*724ba675SRob Herring * "NC" = not connected (no rail from the SoC) 38*724ba675SRob Herring * "FOO" = GPIO line named "FOO" on the schematic 39*724ba675SRob Herring * "FOO_N" = GPIO line named "FOO" on schematic, active low 40*724ba675SRob Herring */ 41*724ba675SRob Herring gpio-line-names = "ID_SDA", 42*724ba675SRob Herring "ID_SCL", 43*724ba675SRob Herring "SDA1", 44*724ba675SRob Herring "SCL1", 45*724ba675SRob Herring "GPIO_GCLK", 46*724ba675SRob Herring "GPIO5", 47*724ba675SRob Herring "GPIO6", 48*724ba675SRob Herring "SPI_CE1_N", 49*724ba675SRob Herring "SPI_CE0_N", 50*724ba675SRob Herring "SPI_MISO", 51*724ba675SRob Herring "SPI_MOSI", 52*724ba675SRob Herring "SPI_SCLK", 53*724ba675SRob Herring "GPIO12", 54*724ba675SRob Herring "GPIO13", 55*724ba675SRob Herring /* Serial port */ 56*724ba675SRob Herring "TXD0", 57*724ba675SRob Herring "RXD0", 58*724ba675SRob Herring "GPIO16", 59*724ba675SRob Herring "GPIO17", 60*724ba675SRob Herring "GPIO18", 61*724ba675SRob Herring "GPIO19", 62*724ba675SRob Herring "GPIO20", 63*724ba675SRob Herring "GPIO21", 64*724ba675SRob Herring "GPIO22", 65*724ba675SRob Herring "GPIO23", 66*724ba675SRob Herring "GPIO24", 67*724ba675SRob Herring "GPIO25", 68*724ba675SRob Herring "GPIO26", 69*724ba675SRob Herring "GPIO27", 70*724ba675SRob Herring "HDMI_HPD_N", 71*724ba675SRob Herring "STATUS_LED_N", 72*724ba675SRob Herring "NC", /* GPIO30 */ 73*724ba675SRob Herring "NC", /* GPIO31 */ 74*724ba675SRob Herring "NC", /* GPIO32 */ 75*724ba675SRob Herring "NC", /* GPIO33 */ 76*724ba675SRob Herring "NC", /* GPIO34 */ 77*724ba675SRob Herring "NC", /* GPIO35 */ 78*724ba675SRob Herring "NC", /* GPIO36 */ 79*724ba675SRob Herring "NC", /* GPIO37 */ 80*724ba675SRob Herring "NC", /* GPIO38 */ 81*724ba675SRob Herring "NC", /* GPIO39 */ 82*724ba675SRob Herring "CAM_GPIO0", /* GPIO40 */ 83*724ba675SRob Herring "WL_ON", /* GPIO41 */ 84*724ba675SRob Herring "BT_ON", /* GPIO42 */ 85*724ba675SRob Herring "WIFI_CLK", /* GPIO43 */ 86*724ba675SRob Herring "SDA0", /* GPIO44 */ 87*724ba675SRob Herring "SCL0", /* GPIO45 */ 88*724ba675SRob Herring "SMPS_SCL", 89*724ba675SRob Herring "SMPS_SDA", 90*724ba675SRob Herring /* Used by SD Card */ 91*724ba675SRob Herring "SD_CLK_R", 92*724ba675SRob Herring "SD_CMD_R", 93*724ba675SRob Herring "SD_DATA0_R", 94*724ba675SRob Herring "SD_DATA1_R", 95*724ba675SRob Herring "SD_DATA2_R", 96*724ba675SRob Herring "SD_DATA3_R"; 97*724ba675SRob Herring 98*724ba675SRob Herring pinctrl-0 = <&gpioout &alt0>; 99*724ba675SRob Herring}; 100*724ba675SRob Herring 101*724ba675SRob Herring&hdmi { 102*724ba675SRob Herring hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; 103*724ba675SRob Herring power-domains = <&power RPI_POWER_DOMAIN_HDMI>; 104*724ba675SRob Herring status = "okay"; 105*724ba675SRob Herring}; 106*724ba675SRob Herring 107*724ba675SRob Herring&led_act { 108*724ba675SRob Herring gpios = <&gpio 29 GPIO_ACTIVE_LOW>; 109*724ba675SRob Herring}; 110*724ba675SRob Herring 111*724ba675SRob Herring&sdhci { 112*724ba675SRob Herring pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; 113*724ba675SRob Herring}; 114*724ba675SRob Herring 115*724ba675SRob Herring&sdhost { 116*724ba675SRob Herring pinctrl-names = "default"; 117*724ba675SRob Herring pinctrl-0 = <&sdhost_gpio48>; 118*724ba675SRob Herring bus-width = <4>; 119*724ba675SRob Herring status = "okay"; 120*724ba675SRob Herring}; 121*724ba675SRob Herring 122*724ba675SRob Herring&uart0 { 123*724ba675SRob Herring pinctrl-names = "default"; 124*724ba675SRob Herring pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; 125*724ba675SRob Herring}; 126*724ba675SRob Herring 127*724ba675SRob Herring&uart1 { 128*724ba675SRob Herring pinctrl-names = "default"; 129*724ba675SRob Herring pinctrl-0 = <&uart1_gpio14>; 130*724ba675SRob Herring status = "okay"; 131*724ba675SRob Herring}; 132*724ba675SRob Herring 133*724ba675SRob Herring&wifi_pwrseq { 134*724ba675SRob Herring reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; 135*724ba675SRob Herring}; 136