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Date:   Fri, 5 Feb 2021 15:56:53 -0600
From:   Rob Herring <robh@kernel.org>
To:     Andre Przywara <andre.przywara@arm.com>
Cc:     Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Samuel Holland <samuel@sholland.org>,
        Icenowy Zheng <icenowy@aosc.io>,
        =?iso-8859-1?Q?Cl=E9ment_P=E9ron?= <peron.clem@gmail.com>,
        Shuosheng Huang <huangshuosheng@allwinnertech.com>,
        Yangtao Li <tiny.windzz@gmail.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@googlegroups.com, Lee Jones <lee.jones@linaro.org>,
        devicetree@vger.kernel.org
Subject: Re: [PATCH v5 04/20] dt-bindings: mfd: axp20x: Add AXP305 compatible
 (plus optional IRQ)
Message-ID: <20210205215653.GA3813445@robh.at.kernel.org>
References: <20210127172500.13356-1-andre.przywara@arm.com>
 <20210127172500.13356-5-andre.przywara@arm.com>
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On Wed, Jan 27, 2021 at 05:24:44PM +0000, Andre Przywara wrote:
> The AXP305 PMIC used in AXP805 seems to be fully compatible to the
> 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@arm.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"

I don't normally (yet) ask for schema conversions on compatible 
additions, but this is one of the few remaining compatibles with no 
schema for allwinner. So a conversion here would be nice. BTW, dtschema 
now has a better check for this (-m option) without the false positives. 
I plan to turn on the option soon (doesn't matter for dtbs as they all 
have lots of warnings, but bindings also get warnings).

Either way,

Acked-by: Rob Herring <robh@kernel.org>


>      * "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
>