Files
android_kernel_xiaomi_sm8450/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
Stefan Wahren 60c833d566 ARM: dts: bcm283x: Enable HDMI at board level
There might be headless setups of the Compute Module without HDMI,
so better enable HDMI at board level. Btw this allows moving HDMI
base definition into upcoming bcm2835-common.dtsi.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
2019-08-15 19:35:15 +02:00

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
*/
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm283x-rpi-usb-otg.dtsi"
/ {
compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
model = "Raspberry Pi Zero W";
memory@0 {
device_type = "memory";
reg = <0 0x20000000>;
};
chosen {
/* 8250 auxiliary UART instead of pl011 */
stdout-path = "serial1:115200n8";
};
leds {
act {
gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
};
};
wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
};
};
&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 = "ID_SDA",
"ID_SCL",
"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";
pinctrl-0 = <&gpioout &alt0>;
};
&hdmi {
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
status = "okay";
};
&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";
};
};
&sdhost {
pinctrl-names = "default";
pinctrl-0 = <&sdhost_gpio48>;
bus-width = <4>;
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
status = "okay";
bluetooth {
compatible = "brcm,bcm43438-bt";
max-speed = <2000000>;
shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
};
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_gpio14>;
status = "okay";
};