linux-kernel - Re: [PATCH v4 00/13] add support for AXP813 ADC and battery power supply

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Message-ID: <20180221095135.qasoo527jvlu6fsw@flea.lan>
Date:   Wed, 21 Feb 2018 10:51:35 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Quentin Schulz <quentin.schulz@...tlin.com>
Cc:     sre@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        wens@...e.org, linux@...linux.org.uk, jic23@...nel.org,
        knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        lee.jones@...aro.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-iio@...r.kernel.org,
        thomas.petazzoni@...tlin.com, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v4 00/13] add support for AXP813 ADC and battery power
 supply

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
>   measurable,
>   - 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,

Applied, thanks!
Maxiime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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