greybus: Documentation/sysfs: add a proposed sysfs tree for greybus

This adds a proposed sysfs layout for greybus to Documentation to make
it easier for people to discuss / test things.  It includes a module, an
interface, a bundle, and a gpbridge binding to that bundle.

This was discussed on the projectara software mailing list.

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/gpio/.gitignore b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/gpio/.gitignore
new file mode 100644
index 0000000..f935021
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/gpio/.gitignore
@@ -0,0 +1 @@
+!.gitignore
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/i2c/.gitignore b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/i2c/.gitignore
new file mode 100644
index 0000000..f935021
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/i2c/.gitignore
@@ -0,0 +1 @@
+!.gitignore
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/usb/.gitignore b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/usb/.gitignore
new file mode 100644
index 0000000..f935021
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/01/gpbridge00/usb/.gitignore
@@ -0,0 +1 @@
+!.gitignore
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/firmware b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/firmware
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/firmware
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/manifest b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/manifest
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/manifest
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/product_id b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/product_id
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/product_id
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/product_name b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/product_name
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/product_name
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/state b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/state
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/state
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/uid b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/uid
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/uid
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/vendor_id b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/vendor_id
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/vendor_id
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/vendor_name b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/vendor_name
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/vendor_name
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/version_major b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/version_major
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/version_major
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/version_minor b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/version_minor
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/01/version_minor
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/epm b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/epm
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/epm
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/power b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/power
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/power
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/present b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/present
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/01/present
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/02/.gitignore b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/02/.gitignore
new file mode 100644
index 0000000..f935021
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/02/.gitignore
@@ -0,0 +1 @@
+!.gitignore
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/firmware b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/firmware
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/firmware
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/serial_number b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/serial_number
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/serial_number
diff --git a/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/version b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/version
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/endo-TYPE/SVC/version