[PATCH v4 3/3] Documentation: power: rt9471: Document exported sysfs entries
From: cy_huang <hidden>
Date: 2022-08-29 03:07:21
Also in:
linux-pm, lkml
Subsystem:
power supply class/subsystem and drivers, the rest · Maintainers:
Sebastian Reichel, Linus Torvalds
From: ChiYuan Huang <redacted> Document the settings exported by rt9471 charger driver through sysfs entries: - sysoff_enable - charge_term_enable - port_detect_enable Signed-off-by: ChiYuan Huang <redacted> --- 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
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2.7.4