linux-kernel - Re: [PATCH v3 2/5] dt-bindings: power: supply: Max17040: Add low level SOC alert threshold

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Message-ID: <CAJKOXPdtsyY_GhniBAb0yV=HOhGx+x4xRPqNgdO+d0MDZRZ_7w@mail.gmail.com>
Date:   Wed, 29 May 2019 16:57:23 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Matheus Castello <matheus@...tello.eng.br>
Cc:     sre@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Bartłomiej Żołnierkiewicz 
        <b.zolnierkie@...sung.com>, lee.jones@...aro.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/5] dt-bindings: power: supply: Max17040: Add low
 level SOC alert threshold

On Mon, 27 May 2019 at 04:45, Matheus Castello <matheus@...tello.eng.br> wrote:
>
> For configure low level state of charge threshold alert signaled from
> max17040 we add "maxim,alert-low-soc-level" property.
>
> Signed-off-by: Matheus Castello <matheus@...tello.eng.br>
> ---
>  .../power/supply/max17040_battery.txt         | 28 +++++++++++++++++++
>  1 file changed, 28 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/max17040_battery.txt
>
> diff --git a/Documentation/devicetree/bindings/power/supply/max17040_battery.txt b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
> new file mode 100644
> index 000000000000..a13e8d50ff7b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
> @@ -0,0 +1,28 @@
> +max17040_battery
> +~~~~~~~~~~~~~~~~
> +
> +Required properties :
> + - compatible : "maxim,max17040" or "maxim,max77836-battery"

One more comment. The datasheet for max17040 says that there is on
ALERT pin and ALERT bits in RCOMP register. Which device are you
using? If it turns out that max17040 does not support it, then the
driver and bindings should reflect this - interrupts should not be set
on max17040.

Best regards,
Krzysztof