525b311bf8
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
730 lines
33 KiB
Diff
730 lines
33 KiB
Diff
From 1bf407348eb9be0b793da4350f2daba91db4ea4f Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 8 Feb 2016 09:46:33 +0000
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Subject: [PATCH 142/304] BCM270X_DT: Adjust overlay README formatting
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---
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arch/arm/boot/dts/overlays/README | 414 +++++++++++++++++++-------------------
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1 file changed, 207 insertions(+), 207 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -83,58 +83,58 @@ Name: <The base DTB>
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Info: Configures the base Raspberry Pi hardware
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Load: <loaded automatically>
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Params:
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- audio Set to "on" to enable the onboard ALSA audio
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- interface (default "off")
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+ audio Set to "on" to enable the onboard ALSA audio
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+ interface (default "off")
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- i2c_arm Set to "on" to enable the ARM's i2c interface
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- (default "off")
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+ i2c_arm Set to "on" to enable the ARM's i2c interface
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+ (default "off")
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- i2c_vc Set to "on" to enable the i2c interface
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- usually reserved for the VideoCore processor
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- (default "off")
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+ i2c_vc Set to "on" to enable the i2c interface
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+ usually reserved for the VideoCore processor
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+ (default "off")
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- i2c An alias for i2c_arm
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+ i2c An alias for i2c_arm
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- i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
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- (default "100000")
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+ i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
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+ (default "100000")
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- i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
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- (default "100000")
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+ i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
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+ (default "100000")
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- i2c_baudrate An alias for i2c_arm_baudrate
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+ i2c_baudrate An alias for i2c_arm_baudrate
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- i2s Set to "on" to enable the i2s interface
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- (default "off")
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+ i2s Set to "on" to enable the i2s interface
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+ (default "off")
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- spi Set to "on" to enable the spi interfaces
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- (default "off")
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+ spi Set to "on" to enable the spi interfaces
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+ (default "off")
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- random Set to "on" to enable the hardware random
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- number generator (default "on")
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+ random Set to "on" to enable the hardware random
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+ number generator (default "on")
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- uart0 Set to "off" to disable uart0 (default "on")
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+ uart0 Set to "off" to disable uart0 (default "on")
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- watchdog Set to "on" to enable the hardware watchdog
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- (default "off")
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+ watchdog Set to "on" to enable the hardware watchdog
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+ (default "off")
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- act_led_trigger Choose which activity the LED tracks.
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- Use "heartbeat" for a nice load indicator.
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- (default "mmc")
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+ act_led_trigger Choose which activity the LED tracks.
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+ Use "heartbeat" for a nice load indicator.
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+ (default "mmc")
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- act_led_activelow Set to "on" to invert the sense of the LED
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- (default "off")
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+ act_led_activelow Set to "on" to invert the sense of the LED
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+ (default "off")
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- act_led_gpio Set which GPIO to use for the activity LED
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- (in case you want to connect it to an external
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- device)
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- (default "16" on a non-Plus board, "47" on a
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- Plus or Pi 2)
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+ act_led_gpio Set which GPIO to use for the activity LED
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+ (in case you want to connect it to an external
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+ device)
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+ (default "16" on a non-Plus board, "47" on a
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+ Plus or Pi 2)
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pwr_led_trigger
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pwr_led_activelow
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pwr_led_gpio
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- As for act_led_*, but using the PWR LED.
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- Not available on Model A/B boards.
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+ As for act_led_*, but using the PWR LED.
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+ Not available on Model A/B boards.
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N.B. It is recommended to only enable those interfaces that are needed.
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Leaving all interfaces enabled can lead to unwanted behaviour (i2c_vc
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@@ -149,19 +149,19 @@ Params:
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Name: ads7846
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Info: ADS7846 Touch controller
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Load: dtoverlay=ads7846,<param>=<val>
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-Params: cs SPI bus Chip Select (default 1)
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- speed SPI bus speed (default 2MHz, max 3.25MHz)
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- penirq GPIO used for PENIRQ. REQUIRED
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- penirq_pull Set GPIO pull (default 0=none, 2=pullup)
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- swapxy Swap x and y axis
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- xmin Minimum value on the X axis (default 0)
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- ymin Minimum value on the Y axis (default 0)
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- xmax Maximum value on the X axis (default 4095)
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- ymax Maximum value on the Y axis (default 4095)
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- pmin Minimum reported pressure value (default 0)
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- pmax Maximum reported pressure value (default 65535)
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- xohms Touchpanel sensitivity (X-plate resistance)
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- (default 400)
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+Params: cs SPI bus Chip Select (default 1)
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+ speed SPI bus speed (default 2MHz, max 3.25MHz)
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+ penirq GPIO used for PENIRQ. REQUIRED
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+ penirq_pull Set GPIO pull (default 0=none, 2=pullup)
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+ swapxy Swap x and y axis
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+ xmin Minimum value on the X axis (default 0)
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+ ymin Minimum value on the Y axis (default 0)
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+ xmax Maximum value on the X axis (default 4095)
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+ ymax Maximum value on the Y axis (default 4095)
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+ pmin Minimum reported pressure value (default 0)
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+ pmax Maximum reported pressure value (default 65535)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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+ (default 400)
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penirq is required and usually xohms (60-100) has to be set as well.
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Apart from that, pmax (255) and swapxy are also common.
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@@ -175,12 +175,12 @@ Name: at86rf233
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Info: Configures the Atmel AT86RF233 802.15.4 low-power WPAN transceiver,
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connected to spi0.0
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Load: dtoverlay=at86rf233,<param>=<val>
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-Params: interrupt GPIO used for INT (default 23)
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- reset GPIO used for Reset (default 24)
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- sleep GPIO used for Sleep (default 25)
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- speed SPI bus speed in Hz (default 6000000)
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- trim Fine tuning of the internal capacitance
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- arrays (0=+0pF, 15=+4.5pF, default 15)
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+Params: interrupt GPIO used for INT (default 23)
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+ reset GPIO used for Reset (default 24)
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+ sleep GPIO used for Sleep (default 25)
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+ speed SPI bus speed in Hz (default 6000000)
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+ trim Fine tuning of the internal capacitance
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+ arrays (0=+0pF, 15=+4.5pF, default 15)
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Name: bmp085_i2c-sensor
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@@ -194,8 +194,8 @@ Name: dht11
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Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
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Also sometimes found with the part number(s) AM230x.
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Load: dtoverlay=dht11,<param>=<val>
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-Params: gpiopin GPIO connected to the sensor's DATA output.
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- (default 4)
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+Params: gpiopin GPIO connected to the sensor's DATA output.
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+ (default 4)
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Name: dwc-otg
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@@ -208,15 +208,15 @@ Params: <None>
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Name: dwc2
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Info: Selects the dwc2 USB controller driver
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Load: dtoverlay=dwc2,<param>=<val>
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-Params: dr_mode Dual role mode: "host", "peripheral" or "otg"
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+Params: dr_mode Dual role mode: "host", "peripheral" or "otg"
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- g-rx-fifo-size Size of rx fifo size in gadget mode
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+ g-rx-fifo-size Size of rx fifo size in gadget mode
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- g-np-tx-fifo-size Size of non-periodic tx fifo size in gadget
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- mode
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+ g-np-tx-fifo-size Size of non-periodic tx fifo size in gadget
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+ mode
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- g-tx-fifo-size Size of periodic tx fifo per endpoint
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- (except ep0) in gadget mode
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+ g-tx-fifo-size Size of periodic tx fifo per endpoint
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+ (except ep0) in gadget mode
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[ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
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@@ -225,9 +225,9 @@ Params: dr_mode Dual ro
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Name: enc28j60
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Info: Overlay for the Microchip ENC28J60 Ethernet Controller (SPI)
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Load: dtoverlay=enc28j60,<param>=<val>
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-Params: int_pin GPIO used for INT (default 25)
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+Params: int_pin GPIO used for INT (default 25)
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- speed SPI bus speed (default 12000000)
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+ speed SPI bus speed (default 12000000)
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Name: gpio-ir
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@@ -237,26 +237,26 @@ Info: Use GPIO pin as rc-core style in
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not required! The key mapping and other decoding parameters can be
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configured by "ir-keytable" tool.
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Load: dtoverlay=gpio-ir,<param>=<val>
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-Params: gpio_pin Input pin number. Default is 18.
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+Params: gpio_pin Input pin number. Default is 18.
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- gpio_pull Desired pull-up/down state (off, down, up)
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- Default is "down".
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+ gpio_pull Desired pull-up/down state (off, down, up)
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+ Default is "down".
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- rc-map-name Default rc keymap (can also be changed by
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- ir-keytable), defaults to "rc-rc6-mce"
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+ rc-map-name Default rc keymap (can also be changed by
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+ ir-keytable), defaults to "rc-rc6-mce"
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Name: gpio-poweroff
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Info: Drives a GPIO high or low on reboot
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Load: dtoverlay=gpio-poweroff,<param>=<val>
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-Params: gpiopin GPIO for signalling (default 26)
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+Params: gpiopin GPIO for signalling (default 26)
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- active_low Set if the power control device requires a
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- high->low transition to trigger a power-down.
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- Note that this will require the support of a
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- custom dt-blob.bin to prevent a power-down
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- during the boot process, and that a reboot
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- will also cause the pin to go low.
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+ active_low Set if the power control device requires a
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+ high->low transition to trigger a power-down.
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+ Note that this will require the support of a
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+ custom dt-blob.bin to prevent a power-down
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+ during the boot process, and that a reboot
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+ will also cause the pin to go low.
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Name: hifiberry-amp
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@@ -300,65 +300,65 @@ Name: hy28a
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Info: HY28A - 2.8" TFT LCD Display Module by HAOYU Electronics
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Default values match Texy's display shield
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Load: dtoverlay=hy28a,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- xohms Touchpanel sensitivity (X-plate resistance)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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- resetgpio GPIO used to reset controller
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+ resetgpio GPIO used to reset controller
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- ledgpio GPIO used to control backlight
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+ ledgpio GPIO used to control backlight
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Name: hy28b
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Info: HY28B - 2.8" TFT LCD Display Module by HAOYU Electronics
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Default values match Texy's display shield
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Load: dtoverlay=hy28b,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- xohms Touchpanel sensitivity (X-plate resistance)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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- resetgpio GPIO used to reset controller
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+ resetgpio GPIO used to reset controller
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- ledgpio GPIO used to control backlight
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+ ledgpio GPIO used to control backlight
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Name: i2c-gpio
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Info: Adds support for software i2c controller on gpio pins
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Load: dtoverlay=i2c-gpio,<param>=<val>
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-Params: i2c_gpio_sda GPIO used for I2C data (default "23")
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+Params: i2c_gpio_sda GPIO used for I2C data (default "23")
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- i2c_gpio_scl GPIO used for I2C clock (default "24")
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+ i2c_gpio_scl GPIO used for I2C clock (default "24")
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- i2c_gpio_delay_us Clock delay in microseconds
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- (default "2" = ~100kHz)
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+ i2c_gpio_delay_us Clock delay in microseconds
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+ (default "2" = ~100kHz)
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Name: i2c-rtc
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Info: Adds support for a number of I2C Real Time Clock devices
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Load: dtoverlay=i2c-rtc,<param>=<val>
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-Params: ds1307 Select the DS1307 device
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+Params: ds1307 Select the DS1307 device
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- ds3231 Select the DS3231 device
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+ ds3231 Select the DS3231 device
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- mcp7941x Select the MCP7941x device
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+ mcp7941x Select the MCP7941x device
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- pcf2127 Select the PCF2127 device
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+ pcf2127 Select the PCF2127 device
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- pcf8523 Select the PCF8523 device
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+ pcf8523 Select the PCF8523 device
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- pcf8563 Select the PCF8563 device
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+ pcf8563 Select the PCF8563 device
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Name: i2s-mmap
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@@ -396,70 +396,70 @@ Name: lirc-rpi
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Info: Configures lirc-rpi (Linux Infrared Remote Control for Raspberry Pi)
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Consult the module documentation for more details.
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Load: dtoverlay=lirc-rpi,<param>=<val>
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-Params: gpio_out_pin GPIO for output (default "17")
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+Params: gpio_out_pin GPIO for output (default "17")
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- gpio_in_pin GPIO for input (default "18")
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+ gpio_in_pin GPIO for input (default "18")
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- gpio_in_pull Pull up/down/off on the input pin
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- (default "down")
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+ gpio_in_pull Pull up/down/off on the input pin
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+ (default "down")
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- sense Override the IR receive auto-detection logic:
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- "0" = force active-high
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- "1" = force active-low
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- "-1" = use auto-detection
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- (default "-1")
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+ sense Override the IR receive auto-detection logic:
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+ "0" = force active-high
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+ "1" = force active-low
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+ "-1" = use auto-detection
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+ (default "-1")
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- softcarrier Turn the software carrier "on" or "off"
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- (default "on")
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+ softcarrier Turn the software carrier "on" or "off"
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+ (default "on")
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- invert "on" = invert the output pin (default "off")
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+ invert "on" = invert the output pin (default "off")
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- debug "on" = enable additional debug messages
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- (default "off")
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+ debug "on" = enable additional debug messages
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+ (default "off")
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Name: mcp2515-can0
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Info: Configures the MCP2515 CAN controller on spi0.0
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Load: dtoverlay=mcp2515-can0,<param>=<val>
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-Params: oscillator Clock frequency for the CAN controller (Hz)
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+Params: oscillator Clock frequency for the CAN controller (Hz)
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- spimaxfrequency Maximum SPI frequence (Hz)
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+ spimaxfrequency Maximum SPI frequence (Hz)
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- interrupt GPIO for interrupt signal
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+ interrupt GPIO for interrupt signal
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Name: mcp2515-can1
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Info: Configures the MCP2515 CAN controller on spi0.1
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Load: dtoverlay=mcp2515-can1,<param>=<val>
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-Params: oscillator Clock frequency for the CAN controller (Hz)
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+Params: oscillator Clock frequency for the CAN controller (Hz)
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- spimaxfrequency Maximum SPI frequence (Hz)
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+ spimaxfrequency Maximum SPI frequence (Hz)
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- interrupt GPIO for interrupt signal
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+ interrupt GPIO for interrupt signal
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Name: mmc
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Info: Selects the bcm2835-mmc SD/MMC driver, optionally with overclock
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Load: dtoverlay=mmc,<param>=<val>
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-Params: overclock_50 Clock (in MHz) to use when the MMC framework
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- requests 50MHz
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- force_pio Disable DMA support
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+Params: overclock_50 Clock (in MHz) to use when the MMC framework
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+ requests 50MHz
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+ force_pio Disable DMA support
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Name: mz61581
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Info: MZ61581 display by Tontec
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Load: dtoverlay=mz61581,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- txbuflen Transmit buffer length (default 32768)
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+ txbuflen Transmit buffer length (default 32768)
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- xohms Touchpanel sensitivity (X-plate resistance)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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[ The pcf2127-rtc overlay has been deleted. See i2c-rtc. ]
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@@ -474,69 +474,69 @@ Params: speed Display
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Name: piscreen
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Info: PiScreen display by OzzMaker.com
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Load: dtoverlay=piscreen,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- xohms Touchpanel sensitivity (X-plate resistance)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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Name: piscreen2r
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Info: PiScreen 2 with resistive TP display by OzzMaker.com
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Load: dtoverlay=piscreen2r,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- xohms Touchpanel sensitivity (X-plate resistance)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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Name: pitft28-capacitive
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Info: Adafruit PiTFT 2.8" capacitive touch screen
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Load: dtoverlay=pitft28-capacitive,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- touch-sizex Touchscreen size x (default 240)
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+ touch-sizex Touchscreen size x (default 240)
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- touch-sizey Touchscreen size y (default 320)
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+ touch-sizey Touchscreen size y (default 320)
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- touch-invx Touchscreen inverted x axis
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+ touch-invx Touchscreen inverted x axis
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- touch-invy Touchscreen inverted y axis
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+ touch-invy Touchscreen inverted y axis
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- touch-swapxy Touchscreen swapped x y axis
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+ touch-swapxy Touchscreen swapped x y axis
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Name: pitft28-resistive
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Info: Adafruit PiTFT 2.8" resistive touch screen
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Load: dtoverlay=pitft28-resistive,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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Name: pps-gpio
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Info: Configures the pps-gpio (pulse-per-second time signal via GPIO).
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Load: dtoverlay=pps-gpio,<param>=<val>
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-Params: gpiopin Input GPIO (default "18")
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+Params: gpiopin Input GPIO (default "18")
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Name: pwm
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@@ -553,9 +553,9 @@ Info: Configures a single PWM channel
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4) Currently the clock must have been enabled and configured
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by other means.
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Load: dtoverlay=pwm,<param>=<val>
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-Params: pin Output pin (default 18) - see table
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- func Pin function (default 2 = Alt5) - see above
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- clock PWM clock frequency (informational)
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+Params: pin Output pin (default 18) - see table
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+ func Pin function (default 2 = Alt5) - see above
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+ clock PWM clock frequency (informational)
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Name: pwm-2chan
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@@ -572,11 +572,11 @@ Info: Configures both PWM channels
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4) Currently the clock must have been enabled and configured
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by other means.
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Load: dtoverlay=pwm-2chan,<param>=<val>
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-Params: pin Output pin (default 18) - see table
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- pin2 Output pin for other channel (default 19)
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- func Pin function (default 2 = Alt5) - see above
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- func2 Function for pin2 (default 2 = Alt5)
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- clock PWM clock frequency (informational)
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+Params: pin Output pin (default 18) - see table
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+ pin2 Output pin for other channel (default 19)
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+ func Pin function (default 2 = Alt5) - see above
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+ func2 Function for pin2 (default 2 = Alt5)
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+ clock PWM clock frequency (informational)
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Name: raspidac3
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@@ -600,15 +600,15 @@ Params: <None>
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Name: rpi-display
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Info: RPi-Display - 2.8" Touch Display by Watterott
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Load: dtoverlay=rpi-display,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- xohms Touchpanel sensitivity (X-plate resistance)
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+ xohms Touchpanel sensitivity (X-plate resistance)
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Name: rpi-ft5406
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@@ -632,52 +632,52 @@ Params: <None>
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Name: sdhost
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Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock
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Load: dtoverlay=sdhost,<param>=<val>
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-Params: overclock_50 Clock (in MHz) to use when the MMC framework
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- requests 50MHz
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+Params: overclock_50 Clock (in MHz) to use when the MMC framework
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+ requests 50MHz
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- force_pio Disable DMA support (default off)
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+ force_pio Disable DMA support (default off)
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- pio_limit Number of blocks above which to use DMA
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- (default 1)
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+ pio_limit Number of blocks above which to use DMA
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+ (default 1)
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- debug Enable debug output (default off)
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+ debug Enable debug output (default off)
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Name: sdio
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Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock,
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and enables SDIO via GPIOs 22-27.
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Load: dtoverlay=sdio,<param>=<val>
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-Params: overclock_50 SD Clock (in MHz) to use when the MMC framework
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- requests 50MHz
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+Params: overclock_50 SD Clock (in MHz) to use when the MMC framework
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+ requests 50MHz
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- sdio_overclock SDIO Clock (in MHz) to use when the MMC
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- framework requests 50MHz
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+ sdio_overclock SDIO Clock (in MHz) to use when the MMC
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+ framework requests 50MHz
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- force_pio Disable DMA support (default off)
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+ force_pio Disable DMA support (default off)
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- pio_limit Number of blocks above which to use DMA
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- (default 1)
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+ pio_limit Number of blocks above which to use DMA
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+ (default 1)
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- debug Enable debug output (default off)
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+ debug Enable debug output (default off)
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- poll_once Disable SDIO-device polling every second
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- (default on: polling once at boot-time)
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+ poll_once Disable SDIO-device polling every second
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+ (default on: polling once at boot-time)
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- bus_width Set the SDIO host bus width (default 4 bits)
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+ bus_width Set the SDIO host bus width (default 4 bits)
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Name: sdtweak
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Info: Tunes the bcm2835-sdhost SD/MMC driver
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Load: dtoverlay=sdtweak,<param>=<val>
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-Params: overclock_50 Clock (in MHz) to use when the MMC framework
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- requests 50MHz
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+Params: overclock_50 Clock (in MHz) to use when the MMC framework
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+ requests 50MHz
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- force_pio Disable DMA support (default off)
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+ force_pio Disable DMA support (default off)
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- pio_limit Number of blocks above which to use DMA
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- (default 1)
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+ pio_limit Number of blocks above which to use DMA
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+ (default 1)
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- debug Enable debug output (default off)
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+ debug Enable debug output (default off)
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Name: smi
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@@ -708,25 +708,25 @@ Name: tinylcd35
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Info: 3.5" Color TFT Display by www.tinylcd.com
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Options: Touch, RTC, keypad
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Load: dtoverlay=tinylcd35,<param>=<val>
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-Params: speed Display SPI bus speed
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+Params: speed Display SPI bus speed
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- rotate Display rotation {0,90,180,270}
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+ rotate Display rotation {0,90,180,270}
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- fps Delay between frame updates
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+ fps Delay between frame updates
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- debug Debug output level {0-7}
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+ debug Debug output level {0-7}
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- touch Enable touch panel
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+ touch Enable touch panel
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- touchgpio Touch controller IRQ GPIO
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+ touchgpio Touch controller IRQ GPIO
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- xohms Touchpanel: Resistance of X-plate in ohms
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+ xohms Touchpanel: Resistance of X-plate in ohms
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- rtc-pcf PCF8563 Real Time Clock
|
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+ rtc-pcf PCF8563 Real Time Clock
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- rtc-ds DS1307 Real Time Clock
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+ rtc-ds DS1307 Real Time Clock
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- keypad Enable keypad
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+ keypad Enable keypad
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Examples:
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Display with touchpanel, PCF8563 RTC and keypad:
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@@ -738,9 +738,9 @@ Params: speed Display
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Name: uart1
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Info: Enable uart1 in place of uart0
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Load: dtoverlay=uart1,<param>=<val>
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-Params: txd1_pin GPIO pin for TXD1 (14, 32 or 40 - default 14)
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+Params: txd1_pin GPIO pin for TXD1 (14, 32 or 40 - default 14)
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- rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
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+ rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
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Name: vc4-kms-v3d
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@@ -763,22 +763,22 @@ Name: w1-gpio
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Info: Configures the w1-gpio Onewire interface module.
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Use this overlay if you *don't* need a GPIO to drive an external pullup.
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Load: dtoverlay=w1-gpio,<param>=<val>
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-Params: gpiopin GPIO for I/O (default "4")
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+Params: gpiopin GPIO for I/O (default "4")
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- pullup Non-zero, "on", or "y" to enable the parasitic
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- power (2-wire, power-on-data) feature
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+ pullup Non-zero, "on", or "y" to enable the parasitic
|
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+ power (2-wire, power-on-data) feature
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Name: w1-gpio-pullup
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Info: Configures the w1-gpio Onewire interface module.
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Use this overlay if you *do* need a GPIO to drive an external pullup.
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Load: dtoverlay=w1-gpio-pullup,<param>=<val>
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-Params: gpiopin GPIO for I/O (default "4")
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+Params: gpiopin GPIO for I/O (default "4")
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- pullup Non-zero, "on", or "y" to enable the parasitic
|
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- power (2-wire, power-on-data) feature
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+ pullup Non-zero, "on", or "y" to enable the parasitic
|
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+ power (2-wire, power-on-data) feature
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- extpullup GPIO for external pullup (default "5")
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+ extpullup GPIO for external pullup (default "5")
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Troubleshooting
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