Signed-off-by: Andrew Jeffery <and...@aj.id.au> --- Documentation/ABI/testing/sysfs-class-bmc | 62 +++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-bmc
diff --git a/Documentation/ABI/testing/sysfs-class-bmc b/Documentation/ABI/testing/sysfs-class-bmc new file mode 100644 index 000000000000..9d42106b89f9 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-bmc @@ -0,0 +1,62 @@ +This document defines the sysfs attributes common to the bmc device class. See +Documentation/devicetree/bindings/misc/bmc-misc-ctrl.txt for exhaustive list of +field definitions. + +What: /sys/class/bmc/<field>/label +Date: July, 2018 +KernelVersion: v4.19 +Contact: open...@lists.ozlabs.org +Description: + The name of the field of interest. Corresponds to the value of + <field> in the path +Users: open...@lists.ozlabs.org + +What: /sys/class/bmc/<field>/value +Date: July, 2018 +KernelVersion: v4.19 +Contact: open...@lists.ozlabs.org +Description: + The value of the field of interest. + + If the field is exposed from a read-modify-write register this + attribute will be RW, where writes will set the field to the + value written. Writing values that exceed the width of the + field will return an error. + + If the field is exposed from a write-1-set/write-1-clear + register this attribute will be RO, and the attributes 'set' + and 'clear' will be present as write-only. +Users: open...@lists.ozlabs.org + +What: /sys/class/bmc/<field>/mask +Date: July, 2018 +KernelVersion: v4.19 +Contact: open...@lists.ozlabs.org +Description: + The mask applied to the value read/written from the 'value' + attribute. +Users: open...@lists.ozlabs.org + +What: /sys/class/bmc/<field>/set +Users: open...@lists.ozlabs.org +Date: July, 2018 +KernelVersion: v4.19 +Contact: open...@lists.ozlabs.org +Description: + For fields backed by write-1-set/write-1-clear registers, + set bits in the value written will be set in hardware. Zero + values are ignored. Writing values that exceed the width of the + mask value will return an error. +Users: open...@lists.ozlabs.org + +What: /sys/class/bmc/<field>/clear +Users: open...@lists.ozlabs.org +Date: July, 2018 +KernelVersion: v4.19 +Contact: open...@lists.ozlabs.org +Description: + For fields backed by write-1-set/write-1-clear registers, + set bits in the value written will be cleared in hardware. Zero + values are ignored. Writing values that exceed the width of the + mask value will return an error. +Users: open...@lists.ozlabs.org -- 2.17.1
