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Diffstat (limited to 'arch/arm/boot/dts/bcm2835-rpi-zero-w.dts')
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-zero-w.dts137
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
new file mode 100644
index 000000000..596bb1ef9
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
@@ -0,0 +1,137 @@
+// 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"
+#include "bcm283x-rpi-wifi-bt.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 {
+ led-act {
+ gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&bt {
+ shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
+};
+
+&gpio {
+ /*
+ * This is based on the official GPU firmware DT blob.
+ *
+ * Legend:
+ * "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",
+ /* Used by BT module */
+ "CTS0",
+ "RTS0",
+ "TXD0",
+ "RXD0",
+ /* Used by Wifi */
+ "SD1_CLK",
+ "SD1_CMD",
+ "SD1_DATA0",
+ "SD1_DATA1",
+ "SD1_DATA2",
+ "SD1_DATA3",
+ "CAM_GPIO1", /* GPIO40 */
+ "WL_ON", /* GPIO41 */
+ "", /* 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 {
+ pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
+};
+
+&sdhost {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdhost_gpio48>;
+ bus-width = <4>;
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_gpio14>;
+ status = "okay";
+};
+
+&wifi_pwrseq {
+ reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
+};