[PATCH] devicetree: Expose dtbs_check and dt_binding_check some more

[Stephen Boyd]

It wasn't obvious that this was a command to run based on 'make help',
so add it to the top-level help for devicetree builds. Also, add an
example to the documentation to show that db_binding_check can be run
with DT_SCHEMA_FILES= to only check one schema file instead of all of
them.

Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Cc: <linux-kbuild@xxxxxxxxxxxxxxx>
Cc: <devicetree@xxxxxxxxxxxxxxx>
Cc: <linux-doc@xxxxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
---

I didn't find this sent, so sending again!

 Documentation/devicetree/writing-schema.md | 1 +
 Makefile                                   | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/writing-schema.md b/Documentation/devicetree/writing-schema.md
index dc032db36262..17ad67887fde 100644
--- a/Documentation/devicetree/writing-schema.md
+++ b/Documentation/devicetree/writing-schema.md
@@ -120,6 +120,7 @@ This will first run the `dt_binding_check` which generates the processed schema.
 It is also possible to run checks with a single schema file by setting the
 'DT_SCHEMA_FILES' variable to a specific schema file.
 
+`make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/trivial-devices.yaml`
 `make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/trivial-devices.yaml`
 
 
diff --git a/Makefile b/Makefile
index 9be5834073f8..96bb28aa1c46 100644
--- a/Makefile
+++ b/Makefile
@@ -1503,8 +1503,10 @@ help:
 	@echo  ''
 	@$(if $(dtstree), \
 		echo 'Devicetree:'; \
-		echo '* dtbs            - Build device tree blobs for enabled boards'; \
-		echo '  dtbs_install    - Install dtbs to $(INSTALL_DTBS_PATH)'; \
+		echo '* dtbs             - Build device tree blobs for enabled boards'; \
+		echo '  dtbs_install     - Install dtbs to $(INSTALL_DTBS_PATH)'; \
+		echo '  dt_binding_check - Validate device tree binding documents'; \
+		echo '  dtbs_check       - Validate device tree source files';\
 		echo '')
 
 	@echo 'Userspace tools targets:'
-- 
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