doc: use new kconfig extension

Enable the new extension and delete usage of the old script/extensions.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

doc/CMakeLists.txt

@@ -64,7 +64,7 @@ set(DOCS_LATEX_DIR ${CMAKE_CURRENT_BINARY_DIR}/latex)
 #
 # Both targets will produce same result, but target 2 must have no dependencies.
 # This is useful to, e.g. re-run the Sphinx build without dependencies such as
-# devicetree or Kconfig generators.
+# devicetree generator.
 #
 function(add_doc_target name)
   add_custom_target(${name} ${ARGN})
@@ -94,67 +94,6 @@ set_target_properties(
     ADDITIONAL_CLEAN_FILES "${DOXY_OUT}"
 )
 
-#-------------------------------------------------------------------------------
-# kconfig
-
-set(KCONFIG_BINARY_DIR ${CMAKE_BINARY_DIR}/Kconfig)
-
-foreach(module_name ${ZEPHYR_MODULE_NAMES})
-  zephyr_string(SANITIZE TOUPPER MODULE_NAME_UPPER ${module_name})
-  list(APPEND
-       ZEPHYR_KCONFIG_MODULES
-       "ZEPHYR_${MODULE_NAME_UPPER}_MODULE_DIR=${ZEPHYR_${MODULE_NAME_UPPER}_MODULE_DIR}"
-  )
-
-  if(ZEPHYR_${MODULE_NAME_UPPER}_KCONFIG)
-    list(APPEND
-         ZEPHYR_KCONFIG_MODULES
-         "ZEPHYR_${MODULE_NAME_UPPER}_KCONFIG=${ZEPHYR_${MODULE_NAME_UPPER}_KCONFIG}"
-    )
-  endif()
-endforeach()
-
-if(WIN32)
-  set(SEP $<SEMICOLON>)
-else()
-  set(SEP :)
-endif()
-
-set(GEN_KCONFIG_REST_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/_scripts/gen_kconfig_rest.py)
-
-add_custom_target(
-  kconfig
-  COMMAND ${CMAKE_COMMAND} -E make_directory ${DOCS_SRC_DIR}/reference/kconfig
-  COMMAND ${CMAKE_COMMAND} -E env
-  PYTHONPATH=${ZEPHYR_BASE}/scripts/kconfig${SEP}$ENV{PYTHONPATH}
-  ZEPHYR_BASE=${ZEPHYR_BASE}
-  srctree=${ZEPHYR_BASE}
-  BOARD_DIR=boards/*/*
-  ARCH=*
-  ARCH_DIR=arch
-  SOC_DIR=soc
-  TOOLCHAIN_HAS_NEWLIB=y
-  KCONFIG_BINARY_DIR=${KCONFIG_BINARY_DIR}
-  KCONFIG_WARN_UNDEF=y
-  KCONFIG_TURBO_MODE=${KCONFIG_TURBO_MODE}
-  KCONFIG_DOC_MODE=1
-  ${ZEPHYR_KCONFIG_MODULES}
-    ${PYTHON_EXECUTABLE} ${GEN_KCONFIG_REST_SCRIPT} ${DOCS_SRC_DIR}/reference/kconfig/
-      --separate-all-index
-      --keep-module-paths
-      --modules Architecture,arch,${ZEPHYR_BASE}/arch
-                Driver,drivers,${ZEPHYR_BASE}/drivers
-                Kernel,kernel,${ZEPHYR_BASE}/kernel
-                Library,lib,${ZEPHYR_BASE}/lib
-                Subsystem,subsys,${ZEPHYR_BASE}/subsys
-                "External Module,modules,${ZEPHYR_BASE}/modules"
-
-  VERBATIM
-  COMMENT "Generating Kconfig documentation..."
-)
-
-set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${GEN_KCONFIG_REST_SCRIPT})
-
 #-------------------------------------------------------------------------------
 # devicetree
 
@@ -210,7 +149,7 @@ set_target_properties(
     ADDITIONAL_CLEAN_FILES "${DOCS_SRC_DIR};${DOCS_HTML_DIR};${DOCS_DOCTREE_DIR}"
 )
 
-add_dependencies(html devicetree kconfig)
+add_dependencies(html devicetree)
 
 #-------------------------------------------------------------------------------
 # pdf
@@ -238,7 +177,7 @@ set_target_properties(
     ADDITIONAL_CLEAN_FILES "${DOCS_SRC_DIR};${DOCS_LATEX_DIR};${DOCS_DOCTREE_DIR}"
 )
 
-add_dependencies(latex kconfig devicetree)
+add_dependencies(latex devicetree)
 
 if(LATEX_PDFLATEX_FOUND AND LATEXMK)
   if(WIN32)

doc/Makefile

@@ -6,7 +6,6 @@ BUILDDIR ?= _build
 DOC_TAG ?= development
 SPHINXOPTS ?= -j auto
 LATEXMKOPTS ?= -halt-on-error -no-shell-escape
-KCONFIG_TURBO_MODE ?= 0
 DT_TURBO_MODE ?= 0
 
 # ------------------------------------------------------------------------------
@@ -15,7 +14,7 @@ DT_TURBO_MODE ?= 0
 .PHONY: configure clean html html-fast latex pdf doxygen
 
 html-fast:
-	${MAKE} html KCONFIG_TURBO_MODE=1 DT_TURBO_MODE=1
+	${MAKE} html DT_TURBO_MODE=1
 
 html latex pdf doxygen: configure
 	cmake --build ${BUILDDIR} --target $@
@@ -28,7 +27,6 @@ configure:
 		-DDOC_TAG=${DOC_TAG} \
 		-DSPHINXOPTS="${SPHINXOPTS}" \
 		-DLATEXMKOPTS="${LATEXMKOPTS}" \
-		-DKCONFIG_TURBO_MODE=${KCONFIG_TURBO_MODE} \
 		-DDT_TURBO_MODE=${DT_TURBO_MODE}
 
 clean:

doc/application/index.rst

@@ -511,8 +511,8 @@ started.
 
 See :ref:`setting_configuration_values` for detailed documentation on setting
 Kconfig configuration values. The :ref:`initial-conf` section on the same page
-explains how the initial configuration is derived. See
-:ref:`configuration_options` for a complete list of configuration options.
+explains how the initial configuration is derived. See :ref:`kconfig-search`
+for a complete list of configuration options.
 See :ref:`hardening` for security information related with Kconfig options.
 
 The other pages in the :ref:`Kconfig section of the manual <kconfig>` are also

doc/conf.py

@@ -74,7 +74,7 @@ extensions = [
     "sphinx.ext.graphviz",
     "zephyr.application",
     "zephyr.html_redirects",
-    "zephyr.kconfig-role",
+    "zephyr.kconfig",
     "zephyr.dtcompatible-role",
     "zephyr.link-roles",
     "sphinx_tabs.tabs",
@@ -150,7 +150,7 @@ html_context = {
     "display_vcs_link": True,
     "reference_links": {
         "API": f"{reference_prefix}/doxygen/html/index.html",
-        "Kconfig Options": f"{reference_prefix}/reference/kconfig/index.html",
+        "Kconfig Options": f"{reference_prefix}/kconfig.html",
         "Devicetree Bindings": f"{reference_prefix}/reference/devicetree/bindings.html",
     }
 }
@@ -241,6 +241,11 @@ vcs_link_exclude = [
     "reference/devicetree/compatibles.*",
 ]
 
+# -- Options for zephyr.kconfig -------------------------------------------
+
+kconfig_generate_db = True
+kconfig_ext_paths = [ZEPHYR_BASE]
+
 # -- Options for zephyr.external_content ----------------------------------
 
 external_content_contents = [

doc/guides/build/kconfig/setting.rst

@@ -7,8 +7,8 @@ The :ref:`menuconfig and guiconfig interfaces <menuconfig>` can be used to test
 out configurations during application development. This page explains how to
 make settings permanent.
 
-An auto-generated list of all Kconfig options can be found in the :ref:`Kconfig
-symbol reference <configuration_options>`.
+All Kconfig options can be searched in the :ref:`Kconfig search page
+<kconfig-search>`.
 
 .. note::
 
@@ -115,8 +115,8 @@ Assignments in configuration files are only respected if the dependencies for
 the symbol are satisfied. A warning is printed otherwise. To figure out what
 the dependencies of a symbol are, use one of the :ref:`interactive
 configuration interfaces <menuconfig>` (you can jump directly to a symbol with
-:kbd:`/`), or look up the symbol in the :ref:`Kconfig symbol reference
-<configuration_options>`.
+:kbd:`/`), or look up the symbol in the :ref:`Kconfig search page
+<kconfig-search>`.
 
 
 .. _initial-conf:

doc/guides/docs/index.rst

@@ -245,15 +245,13 @@ declarations. This warning may be caused by different Sphinx/Breathe issues:
 Developer-mode Document Building
 ********************************
 
-Building the documentation for all the Kconfig options significantly
-adds to the total doc build time.  When making and testing major changes
-to the documentation, we provide an option to temporarily stub-out
-the auto-generated configuration and Devicetree bindings documentation so the
-doc build process runs much faster.
+When making and testing major changes to the documentation, we provide an option
+to temporarily stub-out the auto-generated Devicetree bindings documentation so
+the doc build process runs faster.
 
 To enable this mode, set the following option when invoking cmake::
 
-   -DKCONFIG_TURBO_MODE=1 -DDT_TURBO_MODE=1
+   -DDT_TURBO_MODE=1
 
 or invoke make with the following target::
 

doc/kconfig.rst

@@ -0,0 +1,8 @@
+:orphan:
+
+.. _kconfig-search:
+
+Kconfig Search
+==============
+
+.. kconfig:search::