The concept of "active" clocks is just explained in a bried comment in the
device driver, let's explain it a bit more in the device tree bindings
so everyone understands this.
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
Documentation/devicetree/bindings/clock/qcom,rpmcc.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt b/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
index d470a0187035..cf80a00b7ff2 100644
--- a/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
+++ b/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
@@ -18,6 +18,14 @@ Required properties :
- #clock-cells : shall contain 1
+The clock enumerators are defined in <dt-bindings/clock/qcom,rpmcc.h>
+and come in pairs: FOO_CLK followed by FOO_A_CLK. The latter clock
+is an "active" clock, which means that the consumer only care that the
+clock is available when the system is active, i.e. not suspended. If
+it is important that the clock keeps running during system suspend,
+you need to specify the non-active clock, the one not containing
+*_A_* in the enumerator name.
+
Example:
smd {
compatible = "qcom,smd";
--
2.9.3
--
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