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Add support for PiTFT 2.8" with capacitive touch

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Add support for the Adafruit PiTFT Plus 320x240 2.8" TFT with
Capacitive Touchscreen, using the same patterns used for the other
versions of the PiTFT screens.

Signed-off-by: Erik Botö <erik.boto@gmail.com>
This commit is contained in:
Erik Botö 2020-01-13 09:35:30 +01:00 committed by Andrei Gherzan
parent 09f35259a2
commit e7c856ee7b
3 changed files with 8 additions and 0 deletions
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1
conf/machine/include/rpi-base.inc
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@ -30,6 +30,7 @@ RPI_KERNEL_DEVICETREE_OVERLAYS ?= " \
overlays/pi3-miniuart-bt.dtbo \ overlays/pi3-miniuart-bt.dtbo \
overlays/pitft22.dtbo \ overlays/pitft22.dtbo \
overlays/pitft28-resistive.dtbo \ overlays/pitft28-resistive.dtbo \
overlays/pitft28-capacitive.dtbo \
overlays/pitft35-resistive.dtbo \ overlays/pitft35-resistive.dtbo \
overlays/pps-gpio.dtbo \ overlays/pps-gpio.dtbo \
overlays/rpi-ft5406.dtbo \ overlays/rpi-ft5406.dtbo \

1
docs/extra-build-config.md
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@ -204,6 +204,7 @@ modelname should be added as a MACHINE_FEATURES in local.conf like below:
List of currently supported models: List of currently supported models:
* pitft22 * pitft22
* pitft28r * pitft28r
* pitft28c
* pitft35r * pitft35r
## Misc. display ## Misc. display

6
recipes-bsp/bootfiles/rpi-config_git.bb
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@ -20,6 +20,7 @@ INHIBIT_DEFAULT_DEPS = "1"
PITFT="${@bb.utils.contains("MACHINE_FEATURES", "pitft", "1", "0", d)}" PITFT="${@bb.utils.contains("MACHINE_FEATURES", "pitft", "1", "0", d)}"
PITFT22="${@bb.utils.contains("MACHINE_FEATURES", "pitft22", "1", "0", d)}" PITFT22="${@bb.utils.contains("MACHINE_FEATURES", "pitft22", "1", "0", d)}"
PITFT28r="${@bb.utils.contains("MACHINE_FEATURES", "pitft28r", "1", "0", d)}" PITFT28r="${@bb.utils.contains("MACHINE_FEATURES", "pitft28r", "1", "0", d)}"
PITFT28c="${@bb.utils.contains("MACHINE_FEATURES", "pitft28c", "1", "0", d)}"
PITFT35r="${@bb.utils.contains("MACHINE_FEATURES", "pitft35r", "1", "0", d)}" PITFT35r="${@bb.utils.contains("MACHINE_FEATURES", "pitft35r", "1", "0", d)}"
VC4GRAPHICS="${@bb.utils.contains("MACHINE_FEATURES", "vc4graphics", "1", "0", d)}" VC4GRAPHICS="${@bb.utils.contains("MACHINE_FEATURES", "vc4graphics", "1", "0", d)}"
@ -144,6 +145,11 @@ do_deploy() {
echo "# Enable PITFT28r display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt echo "# Enable PITFT28r display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
echo "dtoverlay=pitft28-resistive,rotate=90,speed=32000000,txbuflen=32768" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt echo "dtoverlay=pitft28-resistive,rotate=90,speed=32000000,txbuflen=32768" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
fi fi
if [ "${PITFT28c}" = "1" ]; then
echo "# Enable PITFT28c display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
echo "dtoverlay=pitft28-capacitive,rotate=90,speed=32000000,txbuflen=32768" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
echo "dtoverlay=pitft28-capacitive,touch-swapxy,touch-invx" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
fi
if [ "${PITFT35r}" = "1" ]; then if [ "${PITFT35r}" = "1" ]; then
echo "# Enable PITFT35r display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt echo "# Enable PITFT35r display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
echo "dtoverlay=pitft35-resistive,rotate=90,speed=42000000,fps=20" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt echo "dtoverlay=pitft35-resistive,rotate=90,speed=42000000,fps=20" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt