fdt: update bcm283x device tree sources to Linux 5.1-rc6 state
Updating the bcm283x device tree sources adds the device trees for
- Raspberry Pi 3 Model A+
- Raspberry Pi 3 Model B+
- Raspberry Pi Compute Module IO board rev1
- Raspberry Pi Compute Module 3 IO board V3.0
- Raspberry Pi Zero
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
diff --git a/arch/arm/dts/bcm2836-rpi-2-b.dts b/arch/arm/dts/bcm2836-rpi-2-b.dts
index e8de414..7b4e651 100644
--- a/arch/arm/dts/bcm2836-rpi-2-b.dts
+++ b/arch/arm/dts/bcm2836-rpi-2-b.dts
@@ -1,6 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2836.dtsi"
-#include "bcm2835-rpi.dtsi"
+#include "bcm2836-rpi.dtsi"
#include "bcm283x-rpi-smsc9514.dtsi"
#include "bcm283x-rpi-usb-host.dtsi"
@@ -8,18 +9,18 @@
compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
model = "Raspberry Pi 2 Model B";
- memory {
+ memory@0 {
reg = <0 0x40000000>;
};
leds {
act {
- gpios = <&gpio 47 0>;
+ gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
};
pwr {
label = "PWR";
- gpios = <&gpio 35 0>;
+ gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
default-state = "keep";
linux,default-trigger = "default-on";
};
@@ -27,6 +28,72 @@
};
&gpio {
+ /*
+ * Taken from rpi_SCH_2b_1p2_reduced.pdf and
+ * 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",
+ "", /* GPIO30 */
+ "LAN_RUN",
+ "CAM_GPIO1",
+ "", /* GPIO33 */
+ "", /* GPIO34 */
+ "PWR_LOW_N",
+ "", /* GPIO36 */
+ "", /* GPIO37 */
+ "USB_LIMIT",
+ "", /* GPIO39 */
+ "PWM0_OUT",
+ "CAM_GPIO0",
+ "SMPS_SCL",
+ "SMPS_SDA",
+ "ETHCLK",
+ "PWM1_OUT",
+ "HDMI_HPD_N",
+ "STATUS_LED",
+ /* 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 &i2s_alt0>;
/* I2S interface */
@@ -40,6 +107,12 @@
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
};
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_gpio14>;