From: ChiYuan Huang <cy_huang@richtek.com>
Document the settings exported by rt9471 charger driver through sysfs entries:
- sysoff_enable
- charge_term_enable
- port_detect_enable
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
---
Documentation/ABI/testing/sysfs-class-power | 44 +++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index a9ce63c..1f8afe5 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -768,3 +768,47 @@ Description:
Access: Read
Valid values: 1-31
+
+What: /sys/class/power_supply/rt9471-*/sysoff_enable
+Date: Sep 2022
+KernelVersion: 6.1
+Contact: ChiYuan Huang <cy_huang@richtek.com>
+Description:
+ This entry allows enabling the sysoff mode of rt9471 charger devices.
+ If enabled and the input is removed, the internal battery FET is turned
+ off to reduce the leakage from the BAT pin. See device datasheet for details.
+
+ Access: Read, Write
+ Valid values:
+ - 1: enabled
+ - 0: disabled
+
+What: /sys/class/power_supply/rt9471-*/charge_term_enable
+Date: Sep 2022
+KernelVersion: 6.1
+Contact: ChiYuan Huang <cy_huang@richtek.com>
+Description:
+ This entry allows enabling the charge termination function of rt9471 charger
+ devices. If enabled, the battery charging current, and the battery voltage
+ reachs charge termination condition, the internal battery FET will be turned off
+ to optimize the battery life. See device datasheet for details.
+
+ Access: Read, Write
+ Valid values:
+ - 1: enabled
+ - 0: disabled
+
+What: /sys/class/power_supply/rt9471-*/port_detect_enable
+Date: Sep 2022
+KernelVersion: 6.1
+Contact: ChiYuan Huang <cy_huang@richtek.com>
+Description:
+ This entry allows enabling the USB BC12 port detect function of rt9471 charger
+ devices. If enabled and VBUS is inserted, device will start to do the BC12
+ port detect and report the usb port type when port detect is done. See
+ datasheet for details.
+
+ Access: Read, Write
+ Valid values:
+ - 1: enabled
+ - 0: disabled
--
2.7.4