[PATCH v5 8/8] power: supply: mp2629: Add USB fast charge settings

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Allows the user to change the USB device fast charge setting to advertise
host on enumeration helps to accelerate the charging cycle. Altering this
value resets USB existing connection.

Signed-off-by: Saravanan Sekar <sravanhome@xxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Acked-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
 .../ABI/testing/sysfs-class-power-mp2629         | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-class-power-mp2629 b/Documentation/ABI/testing/sysfs-class-power-mp2629
index 914d67caac0d..b386d02cb010 100644
--- a/Documentation/ABI/testing/sysfs-class-power-mp2629
+++ b/Documentation/ABI/testing/sysfs-class-power-mp2629
@@ -1,3 +1,19 @@
+What:		/sys/class/power_supply/mp2629_battery/usb_fast_charge
+Date:		June 2022
+KernelVersion:	5.20
+Description:
+		Represents a USB device fast charge settings.Altering this
+		value resets USB existing connection
+		USB DP:DM[0:0] 0.6V : Hi-Z
+		USB DP:DM[0:1] 3.3V : 0.6V
+		USB DP:DM[1:0] 0.6V : 0.6V
+		USB DP:DM[1:1] 0.6V : 3.3V
+
+                Access: Read, Write
+
+                Valid values: Represented in bit DP & DM setting. Valid
+			      range is [0, 3].
+
 What:		/sys/class/power_supply/mp2629_battery/batt_impedance_compen
 Date:		April 2020
 KernelVersion:	5.7
-- 
2.32.0




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