pitft: Add support for pitft28r

The support for PiTFT 28 inch resistive touchscreen is optional
and can be enabled by adding below in local.conf:

MACHINE_FEATURES += "pitft pitft28r"

While at it also fix a minor typo in README.

Signed-off-by: Petter Mabäcker <petter@technux.se>

1 files changed, 6 insertions, 0 deletions

diff --git a/recipes-bsp/bootfiles/rpi-config_git.bb b/recipes-bsp/bootfiles/rpi-config_git.bb
index 4d41723..2941982 100644
--- a/recipes-bsp/bootfiles/rpi-config_git.bb
+++ b/recipes-bsp/bootfiles/rpi-config_git.bb
@@ -17,6 +17,7 @@ PR = "r4"
 
 PITFT="${@bb.utils.contains("MACHINE_FEATURES", "pitft", "1", "0", d)}"
 PITFT22="${@bb.utils.contains("MACHINE_FEATURES", "pitft22", "1", "0", d)}"
+PITFT28r="${@bb.utils.contains("MACHINE_FEATURES", "pitft28r", "1", "0", d)}"
 
 inherit deploy
 
@@ -90,6 +91,11 @@ do_deploy() {
         echo "# Enable PITFT22 display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
         echo "dtoverlay=pitft22,rotate=270,speed=32000000,txbuflen=32768" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
     fi
+
+    if [ "${PITFT28r}" = "1" ]; then
+        echo "# Enable PITFT28r display" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
+        echo "dtoverlay=pitft28-resistive,rotate=90,speed=32000000,txbuflen=32768" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
+    fi
 }
 
 addtask deploy before do_package after do_install