From: Chris Morgan <macromorgan@xxxxxxxxxxx>
The Anbernic RG35XX devices sometimes fail to charge when the register
for the battery temperature sensor is set to the incorrect value either
by user error or an incorrectly programmed efuse. Allow users to
hard-code if a temperature sensor is not present (which is the case for
all Anbernic RGxx series devices) to prevent this issue from causing
problems. Additionally, a bug was identified with the handling of PMU
faults while this fix was being tested.
Note that the MFD updates to the writeable regs are required build
dependencies of the battery fix, as it defines a register that was
previously not defined or writeable.
Changes from V1:
- Updated cover letter to note that the MFD updates are build
dependencies.
- Removed patch for "power: supply: axp20x_battery: Fix fault handling
for AXP717" as it has already been accepted upstream.
- Simplified binding documentation with a "not" statement.
- Corrected writeable regs in MFD driver.
- Updated comment in driver to note a correctly defined device tree
with a simple-battery node is required to apply the thermistor fix.
Chris Morgan (4):
dt-bindings: power: supply: axp20x-battery: Add
x-powers,no-thermistor
mfd: axp20x: AXP717: Add AXP717_TS_PIN_CFG to writeable regs
power: supply: axp20x_battery: Update temp sensor for AXP717 from
device tree
arm64: dts: allwinner: rg35xx: Add no-thermistor property for battery
.../x-powers,axp20x-battery-power-supply.yaml | 20 +++++++++++++++---
.../sun50i-h700-anbernic-rg35xx-2024.dts | 1 +
drivers/mfd/axp20x.c | 1 +
drivers/power/supply/axp20x_battery.c | 21 +++++++++++++++++++
include/linux/mfd/axp20x.h | 1 +
5 files changed, 41 insertions(+), 3 deletions(-)
--
2.43.0
