diff --git a/import-layers/meta-raspberrypi/docs/conf.py b/import-layers/meta-raspberrypi/docs/conf.py
index eb98c49..fcebbf1 100644
--- a/import-layers/meta-raspberrypi/docs/conf.py
+++ b/import-layers/meta-raspberrypi/docs/conf.py
@@ -58,9 +58,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = 'rocko'
+version = 'master'
 # The full version, including alpha/beta/rc tags.
-release = 'rocko'
+release = 'master'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -120,7 +120,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+# html_theme = 'alabaster'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
diff --git a/import-layers/meta-raspberrypi/docs/extra-build-config.md b/import-layers/meta-raspberrypi/docs/extra-build-config.md
index 380d969..806c238 100644
--- a/import-layers/meta-raspberrypi/docs/extra-build-config.md
+++ b/import-layers/meta-raspberrypi/docs/extra-build-config.md
@@ -32,6 +32,8 @@
 * `GPU_MEM_1024`: GPU memory in megabyte for the 1024MB Raspberry Pi. Ignored by
   the 256MB/512MB RP. Overrides gpu_mem. Max 944. Default not set.
 
+See: <https://www.raspberrypi.org/documentation/configuration/config-txt/memory.md>
+
 ## Add purchased license codecs
 
 To add you own licenses use variables `KEY_DECODE_MPG2` and `KEY_DECODE_WVC1` in
@@ -44,6 +46,7 @@
 
     KEY_DECODE_WVC1 = "0x12345678,0xabcdabcd,0x87654321"
 
+See: <https://www.raspberrypi.org/documentation/configuration/config-txt/codeclicence.md>
 
 ## Disable overscan
 
@@ -53,18 +56,57 @@
 
     DISABLE_OVERSCAN = "1"
 
+## Disable splash screen
+
+By default a rainbow splash screen is shown after the GPU firmware is loaded.
+To disable this set this variable in local.conf:
+
+    DISABLE_SPLASH = "1"
+
+## Boot delay
+
+The Raspberry Pi waits a number of seconds after loading the GPU firmware and
+before loading the kernel. By default it is one second. This is useful if your
+SD card needs a while to get ready before Linux is able to boot from it.
+To remove (or adjust) this delay set these variables in local.conf:
+
+    BOOT_DELAY = "0"
+    BOOT_DELAY_MS = "0"
+
 ## Set overclocking options
 
-The Raspberry PI can be overclocked. As of now overclocking up to the "Turbo
+The Raspberry Pi can be overclocked. As of now overclocking up to the "Turbo
 Mode" is officially supported by the raspbery and does not void warranty. Check
-the config.txt for a detailed description of options and modes. Example turbo
-mode:
+the config.txt for a detailed description of options and modes. The following
+variables are supported in local.conf: `ARM_FREQ`, `GPU_FREQ`, `CORE_FREQ`,
+`SDRAM_FREQ` and `OVER_VOLTAGE`.
+
+Example official settings for Turbo Mode in Raspberry Pi 2:
 
     ARM_FREQ = "1000"
     CORE_FREQ = "500"
     SDRAM_FREQ = "500"
     OVER_VOLTAGE = "6"
 
+See: <https://www.raspberrypi.org/documentation/configuration/config-txt/overclocking.md>
+
+## HDMI and composite video options
+
+The Raspberry Pi can output video over HDMI or SDTV composite (the RCA connector).
+By default the video mode for these is autodetected on boot: the HDMI mode is
+selected according to the connected monitor's EDID information and the composite
+mode is defaulted to NTSC using a 4:3 aspect ratio. Check the config.txt for a
+detailed description of options and modes. The following variables are supported in
+local.conf: `HDMI_FORCE_HOTPLUG`, `HDMI_DRIVE`, `HDMI_GROUP`, `HDMI_MODE`,
+`CONFIG_HDMI_BOOST`, `SDTV_MODE`, `SDTV_ASPECT` and `DISPLAY_ROTATE`.
+
+Example to force HDMI output to 720p in CEA mode:
+
+    HDMI_GROUP = "1"
+    HDMI_MODE = "4"
+
+See: <https://www.raspberrypi.org/documentation/configuration/config-txt/video.md>
+
 ## Video camera support with V4L2 drivers
 
 Set this variable to enable support for the video camera (Linux 3.12.4+
@@ -179,10 +221,34 @@
 operations - 60fps h264 decode, high quality deinterlace - which aren't
 performed on the ARM may be affected, and we wouldn't want to do that to users
 who don't want to use the serial port. Users who want serial console support on
-RaspberryPi3 will have to explicitely set in local.conf:
+RaspberryPi3 will have to explicitly set in local.conf:
 
     ENABLE_UART = "1"
 
 Ref.:
 * <https://github.com/raspberrypi/firmware/issues/553>
 * <https://github.com/RPi-Distro/repo/issues/22>
+
+## Enable USB Peripheral (Gadget) support
+
+The standard USB driver only supports host mode operations.  Users who
+want to use gadget modules like g_ether should set the following in
+local.conf:
+
+    ENABLE_DWC2_PERIPHERAL = "1"
+
+## Manual additions to config.txt
+
+The `RPI_EXTRA_CONFIG` variable can be used to manually add additional lines to
+the `config.txt` file if there is not a specific option above for the
+configuration you need. To add multiple lines you must include `\n` separators.
+If double-quotes are needed in the lines you are adding you can use single
+quotes around the whole string.
+
+For example, to add a comment containing a double-quote and a configuration
+option:
+
+    RPI_EXTRA_CONFIG = ' \n \
+        # Raspberry Pi 7\" display/touch screen \n \
+        lcd_rotate=2 \n \
+        '
diff --git a/import-layers/meta-raspberrypi/docs/layer-contents.md b/import-layers/meta-raspberrypi/docs/layer-contents.md
index 29cfa35..f71d396 100644
--- a/import-layers/meta-raspberrypi/docs/layer-contents.md
+++ b/import-layers/meta-raspberrypi/docs/layer-contents.md
@@ -11,14 +11,24 @@
 * raspberrypi-cm (dummy alias for raspberrypi)
 * raspberrypi-cm3 (dummy alias for raspberrypi2)
 
+Note: The raspberrypi3 machines include support for Raspberry Pi 3B+.
+
 ## Images
 
-* rpi-hwup-image
-  * Hardware up image
-
-* rpi-basic-image
-  * Based on rpi-hwup-image with some added features (ex: splash)
-
 * rpi-test-image
-  * Image based on rpi-basic-image which includes most of the packages in this
+  * Image based on core-image-base which includes most of the packages in this
     layer and some media samples.
+
+For other uses it's recommended to base images on `core-image-minimal` or
+`core-image-base` as appropriate. The old image names (`rpi-hwup-image` and
+`rpi-basic-image`) are deprecated.
+
+## WiFi and Bluetooth Firmware
+
+Be aware that the WiFi and Bluetooth firmware for the supported boards
+is not available in the base version of `linux-firmware` from OE-Core
+(poky). The files are added from Raspbian repositories in this layer's
+bbappends to that recipe. All machines define
+`MACHINE_EXTRA_RRECOMMENDS` to include the required wireless firmware;
+raspberrypi3 supports 3, 3B, and 3B+ and so include multiple firmware
+packages.