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-rw-r--r--Documentation/w1/masters/omap-hdq6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/w1/masters/omap-hdq b/Documentation/w1/masters/omap-hdq
index 884dc284b215..234522709a5f 100644
--- a/Documentation/w1/masters/omap-hdq
+++ b/Documentation/w1/masters/omap-hdq
@@ -44,3 +44,9 @@ e.g:
insmod omap_hdq.ko W1_ID=2
inamod w1_bq27000.ko F_ID=2
+The driver also supports 1-wire mode. In this mode, there is no need to
+pass slave ID as parameter. The driver will auto-detect slaves connected
+to the bus using SEARCH_ROM procedure. 1-wire mode can be selected by
+setting "ti,mode" property to "1w" in DT (see
+Documentation/devicetree/bindings/w1/omap-hdq.txt for more details).
+By default driver is in HDQ mode.