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authorHarry Yang <harryy@codeaurora.org>2016-12-05 14:59:11 -0800
committerHarry Yang <harryy@codeaurora.org>2016-12-14 23:59:57 -0800
commite18221c7d0b46cd4e12db77581741a6c49503ebb (patch)
tree6672aa266d1eb16a39103898c0639c1fc07f4d79 /Documentation
parentcfd44286e54c8f605f4c7284864508e33d946ae0 (diff)
qcom-charger: set optimal boost switching frequency
Currently, the default boost switching frequency is fixed at 800KHz, which shows low efficiency in low USB load. To improve it, only use the default 800KHz when boost current goes above 100mA; otherwise, switch to 2MHz. CRs-Fixed: 1095917 Change-Id: Iebb62303febfb78738ada4553fdb9b9eb4810ed5 Signed-off-by: Harry Yang <harryy@codeaurora.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/power/qcom-charger/qpnp-smb2.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/qcom-charger/qpnp-smb2.txt b/Documentation/devicetree/bindings/power/qcom-charger/qpnp-smb2.txt
index 382587ea5922..94a1fdceec8f 100644
--- a/Documentation/devicetree/bindings/power/qcom-charger/qpnp-smb2.txt
+++ b/Documentation/devicetree/bindings/power/qcom-charger/qpnp-smb2.txt
@@ -64,6 +64,12 @@ Charger specific properties:
Value type: <u32>
Definition: Specifies the DC input current limit in micro-amps.
+- qcom,boost-threshold-ua
+ Usage: optional
+ Value type: <u32>
+ Definition: Specifies the boost current threshold in micro-amps.
+ If the value is not present, 100mA is used as default.
+
- qcom,wipower-max-uw
Usage: optional
Value type: <u32>