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| -rw-r--r-- | Documentation/manual.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/manual.txt b/Documentation/manual.txt index 72403ac..af8d315 100644 --- a/Documentation/manual.txt +++ b/Documentation/manual.txt @@ -693,3 +693,34 @@ Where options are: -i, --input Input base DT blob -o, --output Output DT blob -v, --verbose Verbose message output + +4 ) fdtget -- Read properties from device tree + +This command can be used to obtain individual values from the device tree in a +nicely formatted way. You can specify multiple nodes to display (when using -p) +or multiple node/property pairs (when not using -p). For the latter, each +property is displayed on its own line, with a space between each cell within +the property. + +The syntax of the fdtget command is: + + fdtget <options> <dt file> [<node> <property>]... + fdtget -p <options> <dt file> [<node> ]... + +where options are: + + <type> s=string, i=int, u=unsigned, x=hex + Optional modifier prefix: + hh or b=byte, h=2 byte, l=4 byte (default) + + Options: -[t:pld:hV] + -t, --type <arg> Type of data + -p, --properties List properties for each node + -l, --list List subnodes for each node + -d, --default <arg> Default value to display when the property is missing + -h, --help Print this help and exit + -V, --version Print version and exit + +If -t is not provided, fdtget will try to figure out the type, trying to detect +strings, string lists and the size of each value in the property. This is +similar to how fdtdump works, and uses the same heuristics. |