linux-kernel - Re: [PATCH v6 01/17] dt-bindings: mfd: axp20x: Add AXP305 compatible (plus optional IRQ)

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Date:   Sat, 22 May 2021 09:46:23 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Andre Przywara <andre.przywara@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Rob Herring <robh@...nel.org>, Icenowy Zheng <icenowy@...c.io>,
        Ondrej Jirman <megous@...ous.com>,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH v6 01/17] dt-bindings: mfd: axp20x: Add AXP305 compatible
 (plus optional IRQ)

On 5/19/21 5:41 AM, Andre Przywara wrote:
> The AXP305 PMIC used in AXP805 seems to be fully compatible to the
                  ^^^^^^^^^^^^^^
Typo? Do you mean "used with the H616 SoC"?

> 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"
                   ^^^^^^
This should be x-powers,axp305.

Regards,
Samuel

>      * "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
>