tree 52537ad0a72205c4223d12642710efe9a1138dff
parent 8282427e14ad4ee6cc9f8be0514a47dde131ebe1
author Matthew Barth <msbarth@us.ibm.com> 1560797953 -0500
committer Brad Bishop <bradleyb@fuzziesquirrel.com> 1563113372 -0400

swift: Initial fan presence config

Configure fan presence for the 4 single rotor chassis fans to use gpio
or tach feedback presence detection. For the internal boost fan,
currently only configure the use of gpio for presence detection. The
requirement of the boost fan is to assist in cooling specific card
locations when necessary and may be updated later to include presence
detection by tach feedback.

Tested:
    Built swift fan presence with correctly generated config
    Built witherspoon fan presence resulting in no config change

(From meta-ibm rev: 62395b7eb55fd36aa05bc8ed4593aea78c2e2dea)

Change-Id: I10d0bcf9311926cacb1c5310b80a3bc0f00ed782
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>