diff --git a/doc/Makefile b/doc/Makefile
new file mode 100644
index 0000000..4dc7e78
--- /dev/null
+++ b/doc/Makefile
@@ -0,0 +1,11 @@
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+PAPER         =
+BUILDDIR      = _build
+
+PAPEROPT_a4     = -D latex_paper_size=a4
+PAPEROPT_letter = -D latex_paper_size=letter
+ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees -T -D language=en $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+
+%:
+	$(SPHINXBUILD) -b $@ $(ALLSPHINXOPTS) $(BUILDDIR)/$@
diff --git a/doc/conf.py b/doc/conf.py
new file mode 100644
index 0000000..b33b834
--- /dev/null
+++ b/doc/conf.py
@@ -0,0 +1,103 @@
+# -*- coding: utf-8 -*-
+
+from sys import path as sys_path
+from os.path import abspath
+from pathlib import Path
+from json import loads
+
+ROOT = Path(__file__).resolve().parent
+
+sys_path.insert(0, abspath("."))
+
+# -- General configuration ------------------------------------------------
+
+extensions = [
+    # Standard Sphinx extensions
+    "sphinx.ext.extlinks",
+    "sphinx.ext.intersphinx",
+]
+
+templates_path = ["_templates"]
+
+source_suffix = {
+    ".rst": "restructuredtext",
+}
+
+master_doc = "index"
+project = u"openFPGALoader: universal utility for programming FPGA"
+copyright = u"2019-2021, Gwenhael Goavec-Merou and contributors"
+author = u"Gwenhael Goavec-Merou and contributors"
+
+version = "latest"
+release = version  # The full version, including alpha/beta/rc tags.
+
+language = None
+
+exclude_patterns = []
+
+numfig = True
+
+# -- Options for HTML output ----------------------------------------------
+
+html_context = {}
+ctx = ROOT / "context.json"
+if ctx.is_file():
+    html_context.update(loads(ctx.open("r").read()))
+
+if (ROOT / "_theme").is_dir():
+    html_theme_path = ["."]
+    html_theme = "_theme"
+    html_theme_options = {
+        "home_breadcrumbs": False,
+        "vcs_pageview_mode": "blob",
+    }
+else:
+    html_theme = "alabaster"
+
+htmlhelp_basename = "OFLDoc"
+
+# -- Options for LaTeX output ---------------------------------------------
+
+latex_elements = {
+    "papersize": "a4paper",
+}
+
+latex_documents = [
+    (master_doc, "OFLDoc.tex", u"openFPGALoader: universal utility for programming FPGA (Documentation)", author, "manual"),
+]
+
+# -- Options for manual page output ---------------------------------------
+
+# One entry per manual page. List of tuples
+# (source start file, name, description, authors, manual section).
+man_pages = [(master_doc, "openFPGALoader", u"Universal utility for programming FPGA (Documentation)", [author], 1)]
+
+# -- Options for Texinfo output -------------------------------------------
+
+texinfo_documents = [
+    (
+        master_doc,
+        "openFPGALoader",
+        u"Universal utility for programming FPGA (Documentation)",
+        author,
+        "openFPGALoader",
+        "HDL verification.",
+        "Miscellaneous",
+    ),
+]
+
+# -- Sphinx.Ext.InterSphinx -----------------------------------------------
+
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3/", None),
+}
+
+# -- Sphinx.Ext.ExtLinks --------------------------------------------------
+
+extlinks = {
+    "wikipedia": ("https://en.wikipedia.org/wiki/%s", None),
+    "ghsharp": ("https://github.com/trabucayre/openFPGALoader/issues/%s", "#"),
+    "ghissue": ("https://github.com/trabucayre/openFPGALoader/issues/%s", "issue #"),
+    "ghpull": ("https://github.com/trabucayre/openFPGALoader/pull/%s", "pull request #"),
+    "ghsrc": ("https://github.com/trabucayre/openFPGALoader/blob/master/%s", None),
+}
diff --git a/doc/index.rst b/doc/index.rst
new file mode 100644
index 0000000..331b92e
--- /dev/null
+++ b/doc/index.rst
@@ -0,0 +1,4 @@
+openFPGALoader: universal utility for programming FPGA
+######################################################
+
+Welcome to the documentation of openFPGALoader (a universal utility for programming FPGA)!
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..6966869
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1 @@
+sphinx