Load: dtoverlay=audremap,<param>=<val>
Params: swap_lr Reverse the channel allocation, which will also
swap the audio jack outputs (default off)
- enable_jack Don't switch off the audio jack output
- (default off)
+ enable_jack Don't switch off the audio jack output. Does
+ nothing on BCM2711 (default off)
pins_12_13 Select GPIOs 12 & 13 (default)
pins_18_19 Select GPIOs 18 & 19
+ pins_40_41 Select GPIOs 40 & 41
+ pins_40_45 Select GPIOs 40 & 45 (don't use on BCM2711 - the
+ pins are on different controllers)
Name: balena-fin
cam0-imx258 Select IMX258 for camera on port 0
cam0-imx290 Select IMX290 for camera on port 0
cam0-imx477 Select IMX477 for camera on port 0
+ cam0-imx708 Select IMX708 for camera on port 0
cam0-ov2311 Select OV2311 for camera on port 0
cam0-ov5647 Select OV5647 for camera on port 0
cam0-ov7251 Select OV7251 for camera on port 0
cam1-imx258 Select IMX258 for camera on port 1
cam1-imx290 Select IMX290 for camera on port 1
cam1-imx477 Select IMX477 for camera on port 1
+ cam1-imx708 Select IMX708 for camera on port 1
cam1-ov2311 Select OV2311 for camera on port 1
cam1-ov5647 Select OV5647 for camera on port 1
cam1-ov7251 Select OV7251 for camera on port 1
cam0-imx258 Select IMX258 for camera on port 0
cam0-imx290 Select IMX290 for camera on port 0
cam0-imx477 Select IMX477 for camera on port 0
+ cam0-imx708 Select IMX708 for camera on port 0
cam0-ov2311 Select OV2311 for camera on port 0
cam0-ov5647 Select OV5647 for camera on port 0
cam0-ov7251 Select OV7251 for camera on port 0
cam1-imx258 Select IMX258 for camera on port 1
cam1-imx290 Select IMX290 for camera on port 1
cam1-imx477 Select IMX477 for camera on port 1
+ cam1-imx708 Select IMX708 for camera on port 1
cam1-ov2311 Select OV2311 for camera on port 1
cam1-ov5647 Select OV5647 for camera on port 1
cam1-ov7251 Select OV7251 for camera on port 1
cam2-imx258 Select IMX258 for camera on port 2
cam2-imx290 Select IMX290 for camera on port 2
cam2-imx477 Select IMX477 for camera on port 2
+ cam2-imx708 Select IMX708 for camera on port 2
cam2-ov2311 Select OV2311 for camera on port 2
cam2-ov5647 Select OV5647 for camera on port 2
cam2-ov7251 Select OV7251 for camera on port 2
cam3-imx258 Select IMX258 for camera on port 3
cam3-imx290 Select IMX290 for camera on port 3
cam3-imx477 Select IMX477 for camera on port 3
+ cam3-imx708 Select IMX708 for camera on port 3
cam3-ov2311 Select OV2311 for camera on port 3
cam3-ov5647 Select OV5647 for camera on port 3
cam3-ov7251 Select OV7251 for camera on port 3
int_pin Set the GPIO to use for interrupts (max30102
only)
+ jc42 Select any of the many JEDEC JC42.4-compliant
+ temperature sensors, including:
+ ADT7408, AT30TS00, CAT34TS02, CAT6095,
+ MAX6604, MCP9804, MCP9805, MCP9808,
+ MCP98242, MCP98243, MCP98244, MCP9843,
+ SE97, SE98, STTS424(E), STTS2002, STTS3000,
+ TSE2002, TSE2004, TS3000, and TS3001.
+ The default address is 0x18.
+
lm75 Select the Maxim LM75 temperature sensor
Valid addresses 0x48-0x4f, default 0x4f
max30102 Select the Maxim Integrated MAX30102 heart-rate
and blood-oxygen sensor
+ mcp980x Select the Maxim MCP980x range of temperature
+ sensors (i.e. MCP9800, MCP9801, MCP9802 and
+ MCP9803). N.B. For MCP9804, MCP9805 and MCP9808,
+ use the "jc42" option.
+ Valid addresses are 0x18-0x1f (default 0x18)
+
sht3x Select the Sensiron SHT3x temperature and
humidity sensor. Valid addresses 0x44-0x45,
default 0x44
configuring the sensor (default on)
cam0 Adopt the default configuration for CAM0 on a
Compute Module (CSI0, i2c_vc, and cam0_reg).
+ clock-frequency Sets the clock frequency to match that used on
+ the board, which should be one of 54000000
+ (the default), 37125000 or 74250000.
Name: imx327
Compute Module (CSI0, i2c_vc, and cam0_reg).
+Name: imx708
+Info: Sony IMX708 camera module.
+ Uses Unicam 1, which is the standard camera connector on most Pi
+ variants.
+Load: dtoverlay=imx708,<param>=<val>
+Params: rotation Mounting rotation of the camera sensor (0 or
+ 180, default 180)
+ vcm Select lens driver state. Default is enabled,
+ but vcm=off will disable.
+ media-controller Configure use of Media Controller API for
+ configuring the sensor (default on)
+ cam0 Adopt the default configuration for CAM0 on a
+ Compute Module (CSI0, i2c_vc, and cam0_reg).
+
+
Name: iqaudio-codec
Info: Configures the IQaudio Codec audio card
Load: dtoverlay=iqaudio-codec
func Pin function (default 2 = Alt5)
+Name: pwm1
+Info: Configures one or two PWM channel on PWM1 (BCM2711 only)
+ N.B.:
+ 1) The onboard analogue audio output uses both PWM channels.
+ 2) So be careful mixing audio and PWM.
+ Note that even when only one pin is enabled, both channels are available
+ from the PWM driver, so be careful to use the correct one.
+Load: dtoverlay=pwm1,<param>=<val>
+Params: clock PWM clock frequency (informational)
+ pins_40 Enable channel 0 (PWM1_0) on GPIO 40
+ pins_41 Enable channel 1 (PWM1_1) on GPIO 41
+ pins_40_41 Enable channels 0 (PWM1_0) and 1 (PW1_1) on
+ GPIOs 40 and 41 (default)
+ pull_up Enable pull-ups on the PWM pins (default)
+ pull_down Enable pull-downs on the PWM pins
+ pull_off Disable pulls on the PWM pins
+
+
Name: qca7000
Info: in-tech's Evaluation Board for PLC Stamp micro
This uses spi0 and a separate GPIO interrupt to connect the QCA7000.