mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
4f8b350be0
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
588 lines
16 KiB
Diff
588 lines
16 KiB
Diff
From c46811a3b0e0fb76015ac956172e40bce4e6d9b3 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <pelwell@users.noreply.github.com>
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Date: Fri, 5 Jul 2019 14:49:22 +0100
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Subject: [PATCH 694/806] overlays: Rename pi3- overlays to be less
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model-specific (#3052)
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Rename the various pi3- overlays to be more generic, listing
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the devices they apply to in the README. The original names are
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retained for backwards compatibility as files that just include
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the new versions - the README marks them as being deprecated.
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See: https://github.com/raspberrypi/firmware/issues/1174
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/overlays/Makefile | 4 +
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arch/arm/boot/dts/overlays/README | 97 ++++++++++++-------
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.../arm/boot/dts/overlays/act-led-overlay.dts | 27 ++++++
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.../boot/dts/overlays/disable-bt-overlay.dts | 55 +++++++++++
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.../dts/overlays/disable-wifi-overlay.dts | 20 ++++
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.../boot/dts/overlays/miniuart-bt-overlay.dts | 74 ++++++++++++++
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.../boot/dts/overlays/pi3-act-led-overlay.dts | 28 +-----
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.../dts/overlays/pi3-disable-bt-overlay.dts | 56 +----------
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.../dts/overlays/pi3-disable-wifi-overlay.dts | 21 +---
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.../dts/overlays/pi3-miniuart-bt-overlay.dts | 75 +-------------
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10 files changed, 246 insertions(+), 211 deletions(-)
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create mode 100644 arch/arm/boot/dts/overlays/act-led-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/disable-bt-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/disable-wifi-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/miniuart-bt-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -1,6 +1,7 @@
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# Overlays for the Raspberry Pi platform
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dtbo-$(CONFIG_ARCH_BCM2835) += \
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+ act-led.dtbo \
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adau1977-adc.dtbo \
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adau7002-simple.dtbo \
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ads1015.dtbo \
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@@ -26,6 +27,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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dht11.dtbo \
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dionaudio-loco.dtbo \
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dionaudio-loco-v2.dtbo \
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+ disable-bt.dtbo \
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+ disable-wifi.dtbo \
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dpi18.dtbo \
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dpi24.dtbo \
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draws.dtbo \
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@@ -91,6 +94,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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media-center.dtbo \
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midi-uart0.dtbo \
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midi-uart1.dtbo \
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+ miniuart-bt.dtbo \
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mmc.dtbo \
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mpu6050.dtbo \
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mz61581.dtbo \
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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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@@ -180,14 +180,16 @@ Params:
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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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- N.B. For Pi3 see pi3-act-led overlay.
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+ N.B. For Pi 3B, 3B+, 3A+ and 4B, use the act-led
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+ overlay.
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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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- N.B. For Pi3 see pi3-act-led overlay.
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+ N.B. For Pi 3B, 3B+, 3A+ and 4B, use the act-led
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+ overlay.
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pwr_led_trigger
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pwr_led_activelow
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@@ -205,6 +207,23 @@ Params:
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and the other i2c baudrate parameters.
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+Name: act-led
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+Info: Pi 3B, 3B+, 3A+ and 4B use a GPIO expander to drive the LEDs which can
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+ only be accessed from the VPU. There is a special driver for this with a
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+ separate DT node, which has the unfortunate consequence of breaking the
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+ act_led_gpio and act_led_activelow dtparams.
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+ This overlay changes the GPIO controller back to the standard one and
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+ restores the dtparams.
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+Load: dtoverlay=act-led,<param>=<val>
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+Params: activelow Set to "on" to invert the sense of the LED
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+ (default "off")
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+
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+ 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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+ REQUIRED
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+
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+
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Name: adau1977-adc
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Info: Overlay for activation of ADAU1977 ADC codec over I2C for control
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and I2S for data.
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@@ -509,6 +528,21 @@ Params: 24db_digital_gain Allow ga
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that does not result in clipping/distortion!)
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+Name: disable-bt
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+Info: Disable onboard Bluetooth on Pi 3B, 3B+, 3A+, 4B and Zero W, restoring
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+ UART0/ttyAMA0 over GPIOs 14 & 15.
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+ N.B. To disable the systemd service that initialises the modem so it
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+ doesn't use the UART, use 'sudo systemctl disable hciuart'.
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+Load: dtoverlay=disable-bt
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+Params: <None>
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+
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+
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+Name: disable-wifi
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+Info: Disable onboard WiFi on Pi 3B, 3B+, 3A+, 4B and Zero W.
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+Load: dtoverlay=disable-wifi
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+Params: <None>
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+
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+
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Name: dpi18
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Info: Overlay for a generic 18-bit DPI display
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This uses GPIOs 0-21 (so no I2C, uart etc.), and activates the output
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@@ -1447,6 +1481,20 @@ Load: dtoverlay=midi-uart1
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Params: <None>
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+Name: miniuart-bt
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+Info: Switch the onboard Bluetooth function on Pi 3B, 3B+, 3A+, 4B and Zero W
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+ to use the mini-UART (ttyS0) and restore UART0/ttyAMA0 over GPIOs 14 &
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+ 15. Note that this may reduce the maximum usable baudrate.
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+ N.B. It is also necessary to edit /lib/systemd/system/hciuart.service
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+ and replace ttyAMA0 with ttyS0, unless using Raspbian or another
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+ distribution with udev rules that create /dev/serial0 and /dev/serial1,
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+ in which case use /dev/serial1 instead because it will always be
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+ correct. Furthermore, you must also set core_freq and core_freq_min to
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+ the same value in config.txt or the miniuart will not work.
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+Load: dtoverlay=miniuart-bt
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+Params: <None>
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+
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+
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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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@@ -1509,48 +1557,27 @@ Params: panel Display
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Name: pi3-act-led
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-Info: Pi3 uses a GPIO expander to drive the LEDs which can only be accessed
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- from the VPU. There is a special driver for this with a separate DT
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- node, which has the unfortunate consequence of breaking the
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- act_led_gpio and act_led_activelow dtparams.
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- This overlay changes the GPIO controller back to the standard one and
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- restores the dtparams.
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-Load: dtoverlay=pi3-act-led,<param>=<val>
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-Params: activelow Set to "on" to invert the sense of the LED
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- (default "off")
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-
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- 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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- REQUIRED
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+Info: This overlay has been renamed act-led, keeping pi3-act-led as an alias
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+ for backwards compatibility.
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+Load: <Deprecated>
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Name: pi3-disable-bt
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-Info: Disable Pi3 Bluetooth and restore UART0/ttyAMA0 over GPIOs 14 & 15
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- N.B. To disable the systemd service that initialises the modem so it
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- doesn't use the UART, use 'sudo systemctl disable hciuart'.
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-Load: dtoverlay=pi3-disable-bt
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-Params: <None>
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+Info: This overlay has been renamed disable-bt, keeping pi3-disable-bt as an
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+ alias for backwards compatibility.
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+Load: <Deprecated>
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Name: pi3-disable-wifi
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-Info: Disable Pi3 onboard WiFi
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-Load: dtoverlay=pi3-disable-wifi
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-Params: <None>
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+Info: This overlay has been renamed disable-wifi, keeping pi3-disable-wifi as
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+ an alias for backwards compatibility.
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+Load: <Deprecated>
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Name: pi3-miniuart-bt
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-Info: Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore
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- UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
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- usable baudrate.
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- N.B. It is also necessary to edit /lib/systemd/system/hciuart.service
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- and replace ttyAMA0 with ttyS0, unless you have a system with udev rules
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- that create /dev/serial0 and /dev/serial1, in which case use
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- /dev/serial1 instead because it will always be correct. Furthermore,
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- you must also set core_freq=250 in config.txt or the miniuart will not
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- work.
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-Load: dtoverlay=pi3-miniuart-bt
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-Params: <None>
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+Info: This overlay has been renamed miniuart-bt, keeping pi3-miniuart-bt as
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+ an alias for backwards compatibility.
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+Load: <Deprecated>
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Name: pibell
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/act-led-overlay.dts
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@@ -0,0 +1,27 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/* Pi3 uses a GPIO expander to drive the LEDs which can only be accessed
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+ from the VPU. There is a special driver for this with a separate DT node,
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+ which has the unfortunate consequence of breaking the act_led_gpio and
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+ act_led_activelow dtparams.
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+
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+ This overlay changes the GPIO controller back to the standard one and
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+ restores the dtparams.
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+*/
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+
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+/{
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&act_led>;
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+ frag0: __overlay__ {
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+ gpios = <&gpio 0 0>;
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+ };
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+ };
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+
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+ __overrides__ {
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+ gpio = <&frag0>,"gpios:4";
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+ activelow = <&frag0>,"gpios:8";
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+ };
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/disable-bt-overlay.dts
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@@ -0,0 +1,55 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/* Disable Bluetooth and restore UART0/ttyAMA0 over GPIOs 14 & 15.
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+ To disable the systemd service that initialises the modem so it doesn't use
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+ the UART:
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+
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+ sudo systemctl disable hciuart
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+*/
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+
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+/{
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&uart1>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&uart0>;
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+ __overlay__ {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_pins>;
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&uart0_pins>;
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+ __overlay__ {
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&bt_pins>;
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+ __overlay__ {
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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+ };
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+ };
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+
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+ fragment@4 {
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+ target-path = "/aliases";
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+ __overlay__ {
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+ serial0 = "/soc/serial@7e201000";
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+ serial1 = "/soc/serial@7e215040";
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+ };
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+ };
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/disable-wifi-overlay.dts
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@@ -0,0 +1,20 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/{
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&mmc>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&mmcnr>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/miniuart-bt-overlay.dts
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@@ -0,0 +1,74 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/* Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore
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+ UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
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+ usable baudrate.
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+
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+ It is also necessary to edit /lib/systemd/system/hciuart.service and
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+ replace ttyAMA0 with ttyS0, unless you have a system with udev rules
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+ that create /dev/serial0 and /dev/serial1, in which case use /dev/serial1
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+ instead because it will always be correct.
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+
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+ If cmdline.txt uses the alias serial0 to refer to the user-accessable port
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+ then the firmware will replace with the appropriate port whether or not
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+ this overlay is used.
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+*/
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+
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+/{
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&uart0>;
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+ __overlay__ {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_pins>;
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&uart1>;
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+ __overlay__ {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart1_pins &bt_pins &fake_bt_cts>;
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&uart0_pins>;
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+ __overlay__ {
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&uart1_pins>;
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+ __overlay__ {
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+ brcm,pins = <32 33>;
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+ brcm,function = <2>; /* alt5=UART1 */
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+ brcm,pull = <0 2>;
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+ };
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+ };
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+
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+ fragment@4 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ fake_bt_cts: fake_bt_cts {
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+ brcm,pins = <31>;
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+ brcm,function = <1>; /* output */
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+ };
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+ };
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+ };
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+
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+ fragment@5 {
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+ target-path = "/aliases";
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+ __overlay__ {
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+ serial0 = "/soc/serial@7e201000";
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+ serial1 = "/soc/serial@7e215040";
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+ };
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+ };
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+};
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--- a/arch/arm/boot/dts/overlays/pi3-act-led-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pi3-act-led-overlay.dts
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@@ -1,27 +1 @@
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-/dts-v1/;
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-/plugin/;
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-
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-/* Pi3 uses a GPIO expander to drive the LEDs which can only be accessed
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- from the VPU. There is a special driver for this with a separate DT node,
|
|
- which has the unfortunate consequence of breaking the act_led_gpio and
|
|
- act_led_activelow dtparams.
|
|
-
|
|
- This overlay changes the GPIO controller back to the standard one and
|
|
- restores the dtparams.
|
|
-*/
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-
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-/{
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- compatible = "brcm,bcm2835";
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-
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- fragment@0 {
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- target = <&act_led>;
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- frag0: __overlay__ {
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- gpios = <&gpio 0 0>;
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- };
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- };
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-
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- __overrides__ {
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- gpio = <&frag0>,"gpios:4";
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- activelow = <&frag0>,"gpios:8";
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- };
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-};
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+#include "act-led-overlay.dts"
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--- a/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
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@@ -1,55 +1 @@
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-/dts-v1/;
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-/plugin/;
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-
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-/* Disable Bluetooth and restore UART0/ttyAMA0 over GPIOs 14 & 15.
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|
- To disable the systemd service that initialises the modem so it doesn't use
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|
- the UART:
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-
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- sudo systemctl disable hciuart
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-*/
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-
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-/{
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- compatible = "brcm,bcm2835";
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-
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- fragment@0 {
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- target = <&uart1>;
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- __overlay__ {
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- status = "disabled";
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- };
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- };
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-
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- fragment@1 {
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- target = <&uart0>;
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- __overlay__ {
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- pinctrl-names = "default";
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- pinctrl-0 = <&uart0_pins>;
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- status = "okay";
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- };
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- };
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-
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- fragment@2 {
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- target = <&uart0_pins>;
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- __overlay__ {
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- brcm,pins;
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- brcm,function;
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- brcm,pull;
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- };
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- };
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-
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- fragment@3 {
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- target = <&bt_pins>;
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- __overlay__ {
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- brcm,pins;
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- brcm,function;
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- brcm,pull;
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- };
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- };
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-
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- fragment@4 {
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- target-path = "/aliases";
|
|
- __overlay__ {
|
|
- serial0 = "/soc/serial@7e201000";
|
|
- serial1 = "/soc/serial@7e215040";
|
|
- };
|
|
- };
|
|
-};
|
|
+#include "disable-bt-overlay.dts"
|
|
--- a/arch/arm/boot/dts/overlays/pi3-disable-wifi-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/pi3-disable-wifi-overlay.dts
|
|
@@ -1,20 +1 @@
|
|
-/dts-v1/;
|
|
-/plugin/;
|
|
-
|
|
-/{
|
|
- compatible = "brcm,bcm2835";
|
|
-
|
|
- fragment@0 {
|
|
- target = <&mmc>;
|
|
- __overlay__ {
|
|
- status = "disabled";
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@1 {
|
|
- target = <&mmcnr>;
|
|
- __overlay__ {
|
|
- status = "disabled";
|
|
- };
|
|
- };
|
|
-};
|
|
+#include "disable-wifi-overlay.dts"
|
|
--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
|
|
@@ -1,74 +1 @@
|
|
-/dts-v1/;
|
|
-/plugin/;
|
|
-
|
|
-/* Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore
|
|
- UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
|
|
- usable baudrate.
|
|
-
|
|
- It is also necessary to edit /lib/systemd/system/hciuart.service and
|
|
- replace ttyAMA0 with ttyS0, unless you have a system with udev rules
|
|
- that create /dev/serial0 and /dev/serial1, in which case use /dev/serial1
|
|
- instead because it will always be correct.
|
|
-
|
|
- If cmdline.txt uses the alias serial0 to refer to the user-accessable port
|
|
- then the firmware will replace with the appropriate port whether or not
|
|
- this overlay is used.
|
|
-*/
|
|
-
|
|
-/{
|
|
- compatible = "brcm,bcm2835";
|
|
-
|
|
- fragment@0 {
|
|
- target = <&uart0>;
|
|
- __overlay__ {
|
|
- pinctrl-names = "default";
|
|
- pinctrl-0 = <&uart0_pins>;
|
|
- status = "okay";
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@1 {
|
|
- target = <&uart1>;
|
|
- __overlay__ {
|
|
- pinctrl-names = "default";
|
|
- pinctrl-0 = <&uart1_pins &bt_pins &fake_bt_cts>;
|
|
- status = "okay";
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@2 {
|
|
- target = <&uart0_pins>;
|
|
- __overlay__ {
|
|
- brcm,pins;
|
|
- brcm,function;
|
|
- brcm,pull;
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@3 {
|
|
- target = <&uart1_pins>;
|
|
- __overlay__ {
|
|
- brcm,pins = <32 33>;
|
|
- brcm,function = <2>; /* alt5=UART1 */
|
|
- brcm,pull = <0 2>;
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@4 {
|
|
- target = <&gpio>;
|
|
- __overlay__ {
|
|
- fake_bt_cts: fake_bt_cts {
|
|
- brcm,pins = <31>;
|
|
- brcm,function = <1>; /* output */
|
|
- };
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@5 {
|
|
- target-path = "/aliases";
|
|
- __overlay__ {
|
|
- serial0 = "/soc/serial@7e201000";
|
|
- serial1 = "/soc/serial@7e215040";
|
|
- };
|
|
- };
|
|
-};
|
|
+#include "miniuart-bt-overlay.dts"
|