[PATCH v4 00/13] add support for AXP813 ADC and battery power supply
maxime.ripard at bootlin.com
Wed Feb 21 01:51:35 PST 2018
On Mon, Feb 19, 2018 at 01:47:23PM +0100, Quentin Schulz wrote:
> The AXP813 PMIC is relatively close to the already supported AXP20X and
> AXP22X. It provides three different power outputs: battery, AC and USB, and
> measures a few different things: temperature, power supply status, current
> current and voltage supplied, maximum current limit, battery capacity, min
> and max voltage limits.
> One of its two GPIOs can be used as an ADC.
> There are a few differences with AXP20X/AXP22X PMICs though:
> - a different constant charge current formula,
> - battery temperature, GPIO0 and battery voltages are the only voltages
> - all data are stored on 12 bits (AXP20X/AXP22X had one type of data that
> was stored on 13 bits),
> - different scales and offsets,
> - a different ADC rate formula and register,
> This patch series adds support for the PMIC's ADC and battery power supply
> in the existing drivers.
> Make the axp20x MFD automatically probe the ADC driver, add the battery
> power supply node in axp81x node and enable it for the TBS A711 since it
> has a soldered battery.
> I suggest patches:
> - 1,2,4,10,11,12 go through Maxime and Chen-Yu's tree,
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
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