bdaddr=06:05:04:03:02:01
will set the BDADDR to 01:02:03:04:05:06.
+ button_debounce Set the debounce delay (in ms) on the power/
+ shutdown button (default 50ms)
+
cam0_reg Enables CAM 0 regulator.
Only required on CM1 & 3.
Default of GPIO expander 5 on CM4, but override
switches to normal GPIO.
+ cooling_fan Enables the Pi 5 cooling fan (enabled
+ automatically by the firmware)
+
eee Enable Energy Efficient Ethernet support for
compatible devices (default "on"). See also
"tx_lpi_timer". Pi3B+ only.
hdmi Set to "off" to disable the HDMI interface
(default "on")
+ i2c An alias for i2c_arm
+
i2c_arm Set to "on" to enable the ARM's i2c interface
(default "off")
+ i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
+ (default "100000")
+
+ i2c_baudrate An alias for i2c_arm_baudrate
+
+ i2c_csi_dsi Set to "on" to enable the i2c_csi_dsi interface
+
+ i2c_csi_dsi0 Set to "on" to enable the i2c_csi_dsi0 interface
+
+ i2c_csi_dsi1 Set to "on" to enable the i2c_csi_dsi1 interface
+
i2c_vc Set to "on" to enable the i2c interface
usually reserved for the VideoCore processor
(default "off")
- i2c An alias for i2c_arm
-
- i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
- (default "100000")
-
i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
(default "100000")
- i2c_baudrate An alias for i2c_arm_baudrate
-
i2s Set to "on" to enable the i2s interface
(default "off")
krnbt_baudrate Set the baudrate of the PL011 UART when used
with krnbt=on
+ nvme Alias for "pciex1" (2712 only)
+
pcie Set to "off" to disable the PCIe interface
(default "on")
(2711 only, but not applicable on CM4S)
N.B. USB-A ports on 4B are subsequently disabled
+ pciex1 Set to "on" to enable the external PCIe link
+ (2712 only, default "off")
+
+ pciex1_gen Sets the PCIe "GEN"/speed for the external PCIe
+ link (2712 only, default "2")
+
+ pciex1_no_l0s Set to "on" to disable ASPM L0s on the external
+ PCIe link for devices that have broken
+ implementations (2712 only, default "off")
+
spi Set to "on" to enable the spi interfaces
(default "off")
random Set to "on" to enable the hardware random
number generator (default "on")
+ rtc_bbat_vchg Set the RTC backup battery charging voltage in
+ microvolts. If set to 0 or not specified, the
+ trickle charger is disabled.
+ (2712 only, default "0")
+
sd Set to "off" to disable the SD card (or eMMC on
non-lite SKU of CM4).
(default "on")
sdio_overclock Clock (in MHz) to use when the MMC framework
requests 50MHz for the SDIO/WLAN interface.
+ suspend Make the power button trigger a suspend rather
+ than a power-off (2712 only, default "off")
+
tx_lpi_timer Set the delay in microseconds between going idle
and entering the low power state (default 600).
Requires EEE to be enabled - see "eee".
uart0 Set to "off" to disable uart0 (default "on")
+ uart0_console Move the kernel boot console to UART0 on pins
+ 6, 8 and 10 of the 40-way header (2712 only,
+ default "off")
+
uart1 Set to "on" or "off" to enable or disable uart1
(default varies)
watchdog Set to "on" to enable the hardware watchdog
(default "off")
+ wifiaddr Set an alternative WiFi MAC address.
+ The value should be a 6-byte hexadecimal value,
+ with or without colon separators, written in the
+ natural (big-endian) order.
+
act_led_trigger Choose which activity the LED tracks.
Use "heartbeat" for a nice load indicator.
(default "mmc")
Name: disable-bt
-Info: Disable onboard Bluetooth on Pi 3B, 3B+, 3A+, 4B and Zero W, restoring
- UART0/ttyAMA0 over GPIOs 14 & 15.
- N.B. To disable the systemd service that initialises the modem so it
- doesn't use the UART, use 'sudo systemctl disable hciuart'.
+Info: Disable onboard Bluetooth on Bluetooth-capable Raspberry Pis. On Pis
+ prior to Pi 5 this restores UART0/ttyAMA0 over GPIOs 14 & 15.
Load: dtoverlay=disable-bt
Params: <None>
+Name: disable-bt-pi5
+Info: See disable-bt
+
+
Name: disable-emmc2
Info: Disable EMMC2 controller on BCM2711.
The allows the onboard EMMC storage on Compute Module 4 to be disabled
Name: disable-wifi
-Info: Disable onboard WLAN on Pi 3B, 3B+, 3A+, 4B and Zero W.
+Info: Disable onboard WLAN on WiFi-capable Raspberry Pis.
Load: dtoverlay=disable-wifi
Params: <None>
+Name: disable-wifi-pi5
+Info: See disable-wifi
+
+
Name: dpi18
Info: Overlay for a generic 18-bit DPI display
This uses GPIOs 0-21 (so no I2C, uart etc.), and activates the output
Load: <Deprecated>
+Name: i2c0-pi5
+Info: Enable i2c0 (Pi 5 only)
+Load: dtoverlay=i2c0-pi5,<param>=<val>
+Params: pins_0_1 Use GPIOs 0 and 1 (default)
+ pins_8_9 Use GPIOs 8 and 9
+ baudrate Set the baudrate for the interface (default
+ "100000")
+
+
Name: i2c1
Info: Change i2c1 pin usage. Not all pin combinations are usable on all
platforms - platforms other then Compute Modules can only use this
Load: <Deprecated>
+Name: i2c1-pi5
+Info: Enable i2c1 (Pi 5 only)
+Load: dtoverlay=i2c1-pi5,<param>=<val>
+Params: pins_2_3 Use GPIOs 2 and 3 (default)
+ pins_10_11 Use GPIOs 10 and 11
+ baudrate Set the baudrate for the interface (default
+ "100000")
+
+
+Name: i2c2-pi5
+Info: Enable i2c2 (Pi 5 only)
+Load: dtoverlay=i2c2-pi5,<param>=<val>
+Params: pins_4_5 Use GPIOs 4 and 5 (default)
+ pins_12_13 Use GPIOs 12 and 13
+ baudrate Set the baudrate for the interface (default
+ "100000")
+
+
Name: i2c3
Info: Enable the i2c3 bus. BCM2711 only.
Load: dtoverlay=i2c3,<param>
"100000")
+Name: i2c3-pi5
+Info: Enable i2c3 (Pi 5 only)
+Load: dtoverlay=i2c3-pi5,<param>=<val>
+Params: pins_6_7 Use GPIOs 6 and 7 (default)
+ pins_14_15 Use GPIOs 14 and 15
+ pins_22_23 Use GPIOs 22 and 23
+ baudrate Set the baudrate for the interface (default
+ "100000")
+
+
Name: i2c4
Info: Enable the i2c4 bus. BCM2711 only.
Load: dtoverlay=i2c4,<param>
Params: <None>
+Name: midi-uart0-pi5
+Info: See midi-uart0 (this is the Pi 5 version)
+
+
Name: midi-uart1
Info: Configures UART1 (ttyS0) so that a requested 38.4kbaud actually gets
31.25kbaud, the frequency required for MIDI
Params: <None>
+Name: midi-uart1-pi5
+Info: See midi-uart1 (this is the Pi 5 version)
+
+
Name: midi-uart2
-Info: Configures UART2 (ttyAMA1) so that a requested 38.4kbaud actually gets
+Info: Configures UART2 (ttyAMA2) so that a requested 38.4kbaud actually gets
31.25kbaud, the frequency required for MIDI
Load: dtoverlay=midi-uart2
Params: <None>
+Name: midi-uart2-pi5
+Info: See midi-uart2 (this is the Pi 5 version)
+
+
Name: midi-uart3
-Info: Configures UART3 (ttyAMA2) so that a requested 38.4kbaud actually gets
+Info: Configures UART3 (ttyAMA3) so that a requested 38.4kbaud actually gets
31.25kbaud, the frequency required for MIDI
Load: dtoverlay=midi-uart3
Params: <None>
+Name: midi-uart3-pi5
+Info: See midi-uart3 (this is the Pi 5 version)
+
+
Name: midi-uart4
-Info: Configures UART4 (ttyAMA3) so that a requested 38.4kbaud actually gets
+Info: Configures UART4 (ttyAMA4) so that a requested 38.4kbaud actually gets
31.25kbaud, the frequency required for MIDI
Load: dtoverlay=midi-uart4
Params: <None>
+Name: midi-uart4-pi5
+Info: See midi-uart4 (this is the Pi 5 version)
+
+
Name: midi-uart5
-Info: Configures UART5 (ttyAMA4) so that a requested 38.4kbaud actually gets
+Info: Configures UART5 (ttyAMA5) so that a requested 38.4kbaud actually gets
31.25kbaud, the frequency required for MIDI
Load: dtoverlay=midi-uart5
Params: <None>
Info: Enables spi1 with a single chip select (CS) line and associated spidev
dev node. The gpio pin number for the CS line and spidev device node
creation are configurable.
- N.B.: spi1 is only accessible on devices with a 40pin header, eg:
- A+, B+, Zero and PI2 B; as well as the Compute Module.
+ N.B.: spi1 is not accessible on old Pis without a 40-pin header.
Load: dtoverlay=spi1-1cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 18 - BCM SPI1_CE0).
- cs0_spidev Set to 'disabled' to stop the creation of a
+ cs0_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev1.0 (default
- is 'okay' or enabled).
+ is 'on' or enabled).
Name: spi1-2cs
Info: Enables spi1 with two chip select (CS) lines and associated spidev
dev nodes. The gpio pin numbers for the CS lines and spidev device node
creation are configurable.
- N.B.: spi1 is only accessible on devices with a 40pin header, eg:
- A+, B+, Zero and PI2 B; as well as the Compute Module.
+ N.B.: spi1 is not accessible on old Pis without a 40-pin header.
Load: dtoverlay=spi1-2cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 18 - BCM SPI1_CE0).
cs1_pin GPIO pin for CS1 (default 17 - BCM SPI1_CE1).
- cs0_spidev Set to 'disabled' to stop the creation of a
+ cs0_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev1.0 (default
- is 'okay' or enabled).
- cs1_spidev Set to 'disabled' to stop the creation of a
+ is 'on' or enabled).
+ cs1_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev1.1 (default
- is 'okay' or enabled).
+ is 'on' or enabled).
Name: spi1-3cs
Info: Enables spi1 with three chip select (CS) lines and associated spidev
dev nodes. The gpio pin numbers for the CS lines and spidev device node
creation are configurable.
- N.B.: spi1 is only accessible on devices with a 40pin header, eg:
- A+, B+, Zero and PI2 B; as well as the Compute Module.
+ N.B.: spi1 is not accessible on old Pis without a 40-pin header.
Load: dtoverlay=spi1-3cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 18 - BCM SPI1_CE0).
cs1_pin GPIO pin for CS1 (default 17 - BCM SPI1_CE1).
cs2_pin GPIO pin for CS2 (default 16 - BCM SPI1_CE2).
- cs0_spidev Set to 'disabled' to stop the creation of a
+ cs0_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev1.0 (default
- is 'okay' or enabled).
- cs1_spidev Set to 'disabled' to stop the creation of a
+ is 'on' or enabled).
+ cs1_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev1.1 (default
- is 'okay' or enabled).
- cs2_spidev Set to 'disabled' to stop the creation of a
+ is 'on' or enabled).
+ cs2_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev1.2 (default
- is 'okay' or enabled).
+ is 'on' or enabled).
Name: spi2-1cs
-Info: Enables spi2 with a single chip select (CS) line and associated spidev
- dev node. The gpio pin number for the CS line and spidev device node
- creation are configurable.
- N.B.: spi2 is only accessible with the Compute Module.
+Info: Enables spi2 on GPIOs 40-42 with a single chip select (CS) line and
+ associated spidev dev node. The gpio pin number for the CS line and
+ spidev device node creation are configurable. spi2-2cs-pi5 is
+ substituted on a Pi 5.
+ N.B.: spi2 is only accessible with the Compute Module or Pi 5.
Load: dtoverlay=spi2-1cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 43 - BCM SPI2_CE0).
- cs0_spidev Set to 'disabled' to stop the creation of a
+ cs0_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev2.0 (default
- is 'okay' or enabled).
+ is 'on' or enabled).
+
+
+Name: spi2-1cs-pi5
+Info: Enables spi2 on GPIOs 1-3 with a single chip select (CS) line and
+ associated spidev dev node. The gpio pin number for the CS line and
+ spidev device node creation are configurable. Pi 5 only.
+Load: dtoverlay=spi2-1cs-pi5,<param>=<val>
+Params: cs0_pin GPIO pin for CS0 (default 0).
+ cs0_spidev Set to 'off' to stop the creation of a
+ userspace device node /dev/spidev2.0 (default
+ is 'on' or enabled).
Name: spi2-2cs
-Info: Enables spi2 with two chip select (CS) lines and associated spidev
- dev nodes. The gpio pin numbers for the CS lines and spidev device node
- creation are configurable.
- N.B.: spi2 is only accessible with the Compute Module.
+Info: Enables spi2 on GPIOs 40-42 with two chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. spi2-2cs-pi5 is
+ substituted on a Pi 5.
+ N.B.: spi2 is only accessible with the Compute Module or Pi 5.
Load: dtoverlay=spi2-2cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 43 - BCM SPI2_CE0).
cs1_pin GPIO pin for CS1 (default 44 - BCM SPI2_CE1).
- cs0_spidev Set to 'disabled' to stop the creation of a
+ cs0_spidev Set to 'off' to stop the creation of a
+ userspace device node /dev/spidev2.0 (default
+ is 'on' or enabled).
+ cs1_spidev Set to 'off' to stop the creation of a
+ userspace device node /dev/spidev2.1 (default
+ is 'on' or enabled).
+
+
+Name: spi2-2cs-pi5
+Info: Enables spi2 on GPIOs 1-3 with two chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. Pi 5 only.
+Load: dtoverlay=spi2-2cs-pi5,<param>=<val>
+Params: cs0_pin GPIO pin for CS0 (default 0).
+ cs1_pin GPIO pin for CS1 (default 24).
+ cs0_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev2.0 (default
- is 'okay' or enabled).
- cs1_spidev Set to 'disabled' to stop the creation of a
+ is 'on' or enabled).
+ cs1_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev2.1 (default
- is 'okay' or enabled).
+ is 'on' or enabled).
Name: spi2-3cs
-Info: Enables spi2 with three chip select (CS) lines and associated spidev
- dev nodes. The gpio pin numbers for the CS lines and spidev device node
- creation are configurable.
- N.B.: spi2 is only accessible with the Compute Module.
+Info: Enables spi2 on GPIOs 40-42 with three chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable.
+ N.B.: spi2 is only accessible with the Compute Module or Pi 5.
Load: dtoverlay=spi2-3cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 43 - BCM SPI2_CE0).
cs1_pin GPIO pin for CS1 (default 44 - BCM SPI2_CE1).
cs2_pin GPIO pin for CS2 (default 45 - BCM SPI2_CE2).
- cs0_spidev Set to 'disabled' to stop the creation of a
+ cs0_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev2.0 (default
- is 'okay' or enabled).
- cs1_spidev Set to 'disabled' to stop the creation of a
+ is 'on' or enabled).
+ cs1_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev2.1 (default
- is 'okay' or enabled).
- cs2_spidev Set to 'disabled' to stop the creation of a
+ is 'on' or enabled).
+ cs2_spidev Set to 'off' to stop the creation of a
userspace device node /dev/spidev2.2 (default
- is 'okay' or enabled).
+ is 'on' or enabled).
Name: spi3-1cs
-Info: Enables spi3 with a single chip select (CS) line and associated spidev
- dev node. The gpio pin number for the CS line and spidev device node
- creation are configurable. BCM2711 only.
+Info: Enables spi3 on GPIOs 1-3 with a single chip select (CS) line and
+ associated spidev dev node. The gpio pin number for the CS line and
+ spidev device node creation are configurable. BCM2711 only,
+ spi3-1cs-pi5 is substituted on Pi 5.
Load: dtoverlay=spi3-1cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 0 - BCM SPI3_CE0).
cs0_spidev Set to 'off' to prevent the creation of a
is 'on' or enabled).
+Name: spi3-1cs-pi5
+Info: Enables spi3 on GPIOs 5-7 with a single chip select (CS) line and
+ associated spidev dev node. The gpio pin number for the CS line and
+ spidev device node creation are configurable. Pi 5 only.
+Load: dtoverlay=spi3-1cs-pi5,<param>=<val>
+Params: cs0_pin GPIO pin for CS0 (default 4).
+ cs0_spidev Set to 'off' to prevent the creation of a
+ userspace device node /dev/spidev3.0 (default
+ is 'on' or enabled).
+
+
Name: spi3-2cs
-Info: Enables spi3 with two chip select (CS) lines and associated spidev
- dev nodes. The gpio pin numbers for the CS lines and spidev device node
- creation are configurable. BCM2711 only.
+Info: Enables spi3 on GPIO2 1-3 with two chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. BCM2711 only,
+ spi3-2cs-pi5 is substituted on Pi 5.
Load: dtoverlay=spi3-2cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 0 - BCM SPI3_CE0).
cs1_pin GPIO pin for CS1 (default 24 - BCM SPI3_CE1).
is 'on' or enabled).
+Name: spi3-2cs-pi5
+Info: Enables spi3 on GPIOs 5-7 with two chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. Pi 5 only.
+Load: dtoverlay=spi3-2cs-pi5,<param>=<val>
+Params: cs0_pin GPIO pin for CS0 (default 4).
+ cs1_pin GPIO pin for CS1 (default 25).
+ cs0_spidev Set to 'off' to prevent the creation of a
+ userspace device node /dev/spidev3.0 (default
+ is 'on' or enabled).
+ cs1_spidev Set to 'off' to prevent the creation of a
+ userspace device node /dev/spidev3.1 (default
+ is 'on' or enabled).
+
+
Name: spi4-1cs
-Info: Enables spi4 with a single chip select (CS) line and associated spidev
- dev node. The gpio pin number for the CS line and spidev device node
- creation are configurable. BCM2711 only.
+Info: Enables spi4 on GPIOs 5-7 with a single chip select (CS) line and
+ associated spidev dev node. The gpio pin number for the CS line and
+ spidev device node creation are configurable. BCM2711 only.
Load: dtoverlay=spi4-1cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 4 - BCM SPI4_CE0).
cs0_spidev Set to 'off' to prevent the creation of a
Name: spi4-2cs
-Info: Enables spi4 with two chip select (CS) lines and associated spidev
- dev nodes. The gpio pin numbers for the CS lines and spidev device node
- creation are configurable. BCM2711 only.
+Info: Enables spi4 on GPIOs 5-6 with two chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. BCM2711 only.
Load: dtoverlay=spi4-2cs,<param>=<val>
Params: cs0_pin GPIO pin for CS0 (default 4 - BCM SPI4_CE0).
cs1_pin GPIO pin for CS1 (default 25 - BCM SPI4_CE1).
Name: spi5-1cs
-Info: Enables spi5 with a single chip select (CS) line and associated spidev
- dev node. The gpio pin numbers for the CS lines and spidev device node
- creation are configurable. BCM2711 only.
+Info: Enables spi5 on GPIOs 13-15 with a single chip select (CS) line and
+ associated spidev dev node. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. BCM2711 and Pi 5.
Load: dtoverlay=spi5-1cs,<param>=<val>
-Params: cs0_pin GPIO pin for CS0 (default 12 - BCM SPI5_CE0).
+Params: cs0_pin GPIO pin for CS0 (default 12).
cs0_spidev Set to 'off' to prevent the creation of a
userspace device node /dev/spidev5.0 (default
is 'on' or enabled).
+Name: spi5-1cs-pi5
+Info: See spi5-1cs
+
+
Name: spi5-2cs
-Info: Enables spi5 with two chip select (CS) lines and associated spidev
- dev nodes. The gpio pin numbers for the CS lines and spidev device node
- creation are configurable. BCM2711 only.
+Info: Enables spi5 on GPIOs 13-15 with two chip select (CS) lines and
+ associated spidev dev nodes. The gpio pin numbers for the CS lines and
+ spidev device node creation are configurable. BCM2711 and Pi 5.
Load: dtoverlay=spi5-2cs,<param>=<val>
-Params: cs0_pin GPIO pin for CS0 (default 12 - BCM SPI5_CE0).
- cs1_pin GPIO pin for CS1 (default 26 - BCM SPI5_CE1).
+Params: cs0_pin GPIO pin for CS0 (default 12).
+ cs1_pin GPIO pin for CS1 (default 26).
cs0_spidev Set to 'off' to prevent the creation of a
userspace device node /dev/spidev5.0 (default
is 'on' or enabled).
is 'on' or enabled).
+Name: spi5-2cs-pi5
+Info: See spi5-2cs
+
+
Name: spi6-1cs
Info: Enables spi6 with a single chip select (CS) line and associated spidev
dev node. The gpio pin number for the CS line and spidev device node
7(Alt3) for 32&33, 6(Alt2) for 36&37
+Name: uart0-pi5
+Info: Enable uart 0 on GPIOs 14-15. Pi 5 only.
+Load: dtoverlay=uart0-pi5,<param>
+Params: ctsrts Enable CTS/RTS on GPIOs 16-17 (default off)
+
+
Name: uart1
Info: Change the pin usage of uart1
Load: dtoverlay=uart1,<param>=<val>
rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
+Name: uart1-pi5
+Info: Enable uart 1 on GPIOs 0-1. Pi 5 only.
+Load: dtoverlay=uart1-pi5,<param>
+Params: ctsrts Enable CTS/RTS on GPIOs 2-3 (default off)
+
+
Name: uart2
Info: Enable uart 2 on GPIOs 0-3. BCM2711 only.
Load: dtoverlay=uart2,<param>
Params: ctsrts Enable CTS/RTS on GPIOs 2-3 (default off)
+Name: uart2-pi5
+Info: Enable uart 2 on GPIOs 4-5. Pi 5 only.
+Load: dtoverlay=uart2-pi5,<param>
+Params: ctsrts Enable CTS/RTS on GPIOs 6-7 (default off)
+
+
Name: uart3
Info: Enable uart 3 on GPIOs 4-7. BCM2711 only.
Load: dtoverlay=uart3,<param>
Params: ctsrts Enable CTS/RTS on GPIOs 6-7 (default off)
+Name: uart3-pi5
+Info: Enable uart 3 on GPIOs 8-9. Pi 5 only.
+Load: dtoverlay=uart3-pi5,<param>
+Params: ctsrts Enable CTS/RTS on GPIOs 10-11 (default off)
+
+
Name: uart4
Info: Enable uart 4 on GPIOs 8-11. BCM2711 only.
Load: dtoverlay=uart4,<param>
Params: ctsrts Enable CTS/RTS on GPIOs 10-11 (default off)
+Name: uart4-pi5
+Info: Enable uart 4 on GPIOs 12-13. Pi 5 only.
+Load: dtoverlay=uart4-pi5,<param>
+Params: ctsrts Enable CTS/RTS on GPIOs 14-15 (default off)
+
+
Name: uart5
Info: Enable uart 5 on GPIOs 12-15. BCM2711 only.
Load: dtoverlay=uart5,<param>
invy Touchscreen inverted y axis
swapxy Touchscreen swapped x y axis
disable_touch Disables the touch screen overlay driver
+ dsi0 Use DSI0 and i2c_csi_dsi0 (rather than
+ the default DSI1 and i2c_csi_dsi).
Name: vc4-kms-dsi-lt070me05000
invx Touchscreen inverted x axis
invy Touchscreen inverted y axis
swapxy Touchscreen swapped x y axis
+ dsi0 Use DSI0 and i2c_csi_dsi0 (rather than
+ the default DSI1 and i2c_csi_dsi).
Name: vc4-kms-kippah-7inch
nohdmi1 Disable HDMI 1 output
+Name: vc4-kms-v3d-pi5
+Info: See vc4-kms-v3d-pi4 (this is the Pi 5 version)
+
Name: vc4-kms-vga666
Info: Enable the VGA666 (resistor ladder ADC) for the vc4-kms-v3d driver.
projects / platform / kernel / linux-rpi.git / blobdiff