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-rw-r--r--doc/device-tree-bindings/clock/st,stm32mp1.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/clock/st,stm32mp1.txt b/doc/device-tree-bindings/clock/st,stm32mp1.txt
index a3d427911d..4d4136d2fc 100644
--- a/doc/device-tree-bindings/clock/st,stm32mp1.txt
+++ b/doc/device-tree-bindings/clock/st,stm32mp1.txt
@@ -87,6 +87,10 @@ Optional Properties:
are listed with associated reg 0 to 3.
PLLx is off when the associated node is absent or deactivated.
+ For PLL1, when the node is absent, the frequency of the OPP node is used
+ to compute the PLL setting (see compatible "operating-points-v2" in
+ opp/opp.txt for details).
+
Here are the available properties for each PLL node:
- compatible: should be "st,stm32mp1-pll"