linux-kernel - Re: [linux-sunxi] [PATCH v5 04/20] dt-bindings: mfd: axp20x: Add AXP305 compatible (plus optional IRQ)

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Date:   Tue, 2 Feb 2021 10:11:05 +0000
From:   Andre Przywara <andre.przywara@....com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Maxime Ripard <mripard@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Samuel Holland <samuel@...lland.org>,
        Icenowy Zheng <icenowy@...c.io>, Rob Herring <robh@...nel.org>,
        Clément Péron 
        <peron.clem@...il.com>,
        Shuosheng Huang <huangshuosheng@...winnertech.com>,
        Yangtao Li <tiny.windzz@...il.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Lee Jones <lee.jones@...aro.org>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [linux-sunxi] [PATCH v5 04/20] dt-bindings: mfd: axp20x: Add
 AXP305 compatible (plus optional IRQ)

On Tue, 2 Feb 2021 15:55:50 +0800
Chen-Yu Tsai <wens@...e.org> wrote:

Hi,

> On Thu, Jan 28, 2021 at 1:26 AM Andre Przywara <andre.przywara@....com> wrote:
> >
> > The AXP305 PMIC used in AXP805 seems to be fully compatible to the  
>                           ^
> This statement doesn't quite make sense. I assume you wanted to mention
> a board or the H616 SoC here?

Argh, indeed!

> > AXP805 PMIC, so add the proper chain of compatible strings.
> >
> > Also at least on one board (Orangepi Zero2) there is no interrupt line
> > connected to the CPU, so make the "interrupts" property optional.
> >
> > Signed-off-by: Andre Przywara <andre.przywara@....com>
> > ---
> >  Documentation/devicetree/bindings/mfd/axp20x.txt | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> > index 4991a6415796..4fd748101e3c 100644
> > --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> > +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> > @@ -26,10 +26,10 @@ Required properties:
> >      * "x-powers,axp803"
> >      * "x-powers,axp806"
> >      * "x-powers,axp805", "x-powers,axp806"
> > +    * "x-powers,axp803", "x-powers,axp805", "x-powers,axp806"  
> 
> axp305? axp803 is used with A64 IIRC.

Oh, well spotted. This AXP naming already confused me when they were
all called 80x, now using 30x gave me the rest ;-)

Sorry for the blunder!

Cheers,
Andre

> 
> ChenYu
> 
> >      * "x-powers,axp809"
> >      * "x-powers,axp813"
> >  - reg: The I2C slave address or RSB hardware address for the AXP chip
> > -- interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
> >  - interrupt-controller: The PMIC has its own internal IRQs
> >  - #interrupt-cells: Should be set to 1
> >
> > @@ -43,6 +43,7 @@ more information:
> >                         AXP20x/LDO3: software-based implementation
> >
> >  Optional properties:
> > +- interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
> >  - x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz
> >                       AXP152/20X: range:  750-1875, Default: 1.5 MHz
> >                       AXP22X/8XX: range: 1800-4050, Default: 3   MHz
> > --
> > 2.17.5
> >
> > --
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> > To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/20210127172500.13356-5-andre.przywara%40arm.com.