Added document that describe the ABI for JTAG class drivrer
Signed-off-by: Oleksandr Shamray <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
---
v10->v11
v9->v10
Fixes added by Oleksandr:
- change jtag-cdev to jtag-dev in documentation
- update Kernel Version and Date in jtag-dev documentation;
v8->v9
v7->v8
v6->v7
Comments pointed by Pavel Machek <[email protected]>
- Added jtag-cdev documentation to Documentation/ABI/testing folder
---
Documentation/ABI/testing/jatg-dev | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
create mode 100644 Documentation/ABI/testing/jatg-dev
diff --git a/Documentation/ABI/testing/jatg-dev b/Documentation/ABI/testing/jatg-dev
new file mode 100644
index 0000000..803dbab
--- /dev/null
+++ b/Documentation/ABI/testing/jatg-dev
@@ -0,0 +1,27 @@
+What: /dev/jtag[0-9]+
+Date: October 2017
+KernelVersion: 4.15
+Contact: [email protected]
+Description:
+ The misc device files /dev/jtag* are the interface
+ between JTAG master interfase and userspace.
+
+ The ioctl(2)-based ABI is defined and documented in
+ [include/uapi]<linux/jtag.h>.
+
+ The following file operations are supported:
+
+ open(2)
+ The argument flag currently support only one access
+ mode O_RDWR.
+
+ ioctl(2)
+ Initiate various actions.
+ See the inline documentation in [include/uapi]<linux/jtag.h>
+ for descriptions of all ioctls.
+
+ close(2)
+ Stops and free up the I/O contexts that was associated
+ with the file descriptor.
+
+Users: TBD
\ No newline at end of file
--
1.7.1
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