Commit 7136c8f9 authored by Phil Elwell's avatar Phil Elwell Committed by Dom Cobley
Browse files

ARM: dts: Add Pi Zero 2 support


Signed-off-by: default avatarPhil Elwell <phil@raspberrypi.com>
parent abff5012
......@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
bcm2708-rpi-cm.dtb \
bcm2708-rpi-zero.dtb \
bcm2708-rpi-zero-w.dtb \
bcm2710-rpi-zero-2.dtb \
bcm2709-rpi-2-b.dtb \
bcm2710-rpi-2-b.dtb \
bcm2710-rpi-3-b.dtb \
......
/dts-v1/;
#include "bcm2710.dtsi"
#include "bcm2709-rpi.dtsi"
#include "bcm283x-rpi-csi1-2lane.dtsi"
#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
#include "bcm2708-rpi-bt.dtsi"
#include "bcm283x-rpi-cam1-regulator.dtsi"
/ {
compatible = "raspberrypi,model-zero-2", "brcm,bcm2837";
model = "Raspberry Pi Zero 2";
chosen {
bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
};
aliases {
serial0 = &uart1;
serial1 = &uart0;
mmc1 = &mmcnr;
};
};
&gpio {
spi0_pins: spi0_pins {
brcm,pins = <9 10 11>;
brcm,function = <4>; /* alt0 */
};
spi0_cs_pins: spi0_cs_pins {
brcm,pins = <8 7>;
brcm,function = <1>; /* output */
};
i2c0_pins: i2c0 {
brcm,pins = <0 1>;
brcm,function = <4>;
};
i2c1_pins: i2c1 {
brcm,pins = <2 3>;
brcm,function = <4>;
};
i2s_pins: i2s {
brcm,pins = <18 19 20 21>;
brcm,function = <4>; /* alt0 */
};
sdio_pins: sdio_pins {
brcm,pins = <34 35 36 37 38 39>;
brcm,function = <7>; // alt3 = SD1
brcm,pull = <0 2 2 2 2 2>;
};
bt_pins: bt_pins {
brcm,pins = <43>;
brcm,function = <4>; /* alt0:GPCLK2 */
brcm,pull = <0>;
};
uart0_pins: uart0_pins {
brcm,pins = <30 31 32 33>;
brcm,function = <7>; /* alt3=UART0 */
brcm,pull = <2 0 0 2>; /* up none none up */
};
uart1_pins: uart1_pins {
brcm,pins;
brcm,function;
brcm,pull;
};
audio_pins: audio_pins {
brcm,pins = <>;
brcm,function = <>;
};
};
&mmcnr {
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
bus-width = <4>;
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins &bt_pins>;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "okay";
};
&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
spidev0: spidev@0{
compatible = "spidev";
reg = <0>; /* CE0 */
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <125000000>;
};
spidev1: spidev@1{
compatible = "spidev";
reg = <1>; /* CE1 */
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <125000000>;
};
};
&i2c0if {
clock-frequency = <100000>;
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <100000>;
};
&i2c2 {
clock-frequency = <100000>;
};
&i2s {
pinctrl-names = "default";
pinctrl-0 = <&i2s_pins>;
};
&leds {
act_led: led-act {
label = "led0";
linux,default-trigger = "actpwr";
gpios = <&gpio 29 GPIO_ACTIVE_LOW>;
};
};
&hdmi {
hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
};
&audio {
pinctrl-names = "default";
pinctrl-0 = <&audio_pins>;
brcm,disable-headphones = <1>;
};
&bt {
shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
};
&minibt {
shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
};
&cam1_reg {
gpio = <&gpio 40 GPIO_ACTIVE_HIGH>;
};
/ {
__overrides__ {
act_led_gpio = <&act_led>,"gpios:4";
act_led_activelow = <&act_led>,"gpios:8";
act_led_trigger = <&act_led>,"linux,default-trigger";
};
};
......@@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-a-plus.dtb \
bcm2837-rpi-3-b.dtb \
bcm2837-rpi-3-b-plus.dtb \
bcm2837-rpi-cm3-io3.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-zero-2.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-2-b.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b-plus.dtb
......
#include "../../../../arm/boot/dts/bcm2710-rpi-zero-2.dts"
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