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Re: [RFC PATCH 6/7] arm64: allwinner: a64: add power supply nodes in AXP803 DTSI

From Quentin Schulz <quentin.schulz@free-electrons.com>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 6/7] arm64: allwinner: a64: add power supply nodes in AXP803 DTSI
Date 2017-09-25 11:30 +0200
Message-ID <utxSa-4rR-5@gated-at.bofh.it> (permalink)
References <urOX7-4Mq-7@gated-at.bofh.it> <urP6O-4Qg-17@gated-at.bofh.it> <utxIu-4nC-13@gated-at.bofh.it> <utxIu-4nC-17@gated-at.bofh.it>
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Hi Icenowy,

On 25/09/2017 11:14, Icenowy Zheng wrote:
> 
> 
> 于 2017年9月25日 GMT+08:00 下午5:11:57, Quentin Schulz <quentin.schulz@free-electrons.com> 写到:
>> Hi Icenowy,
>>
>> On 20/09/2017 17:18, Icenowy Zheng wrote:
>>> AXP803 PMIC features AC/USB/Battery power supplies.
>>>
>>> As we have now the device tree bindings for them, add device tree
>>> nodes for them.
>>>
>>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>>> ---
>>>  arch/arm64/boot/dts/allwinner/axp803.dtsi | 15 +++++++++++++++
>>>  1 file changed, 15 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/allwinner/axp803.dtsi
>> b/arch/arm64/boot/dts/allwinner/axp803.dtsi
>>> index ff8af52743ff..3a8615231b7c 100644
>>> --- a/arch/arm64/boot/dts/allwinner/axp803.dtsi
>>> +++ b/arch/arm64/boot/dts/allwinner/axp803.dtsi
>>> @@ -49,6 +49,16 @@
>>>  	interrupt-controller;
>>>  	#interrupt-cells = <1>;
>>>  
>>> +	ac_power_supply: ac-power-supply {
>>> +		compatible = "x-powers,axp221-ac-power-supply";
>>> +		status = "disabled";
>>> +	};
>>> +
>>> +	battery_power_supply: battery-power-supply {
>>> +		compatible = "x-powers,axp803-battery-power-supply";
>>> +		status = "disabled";
>>> +	};
>>> +
>>>  	regulators {
>>>  		/* Default work frequency for buck regulators */
>>>  		x-powers,dcdc-freq = <3000>;
>>> @@ -147,4 +157,9 @@
>>>  			regulator-name = "rtc-ldo";
>>>  		};
>>>  	};
>>> +
>>> +	usb_power_supply: usb_power_supply {
>>> +		compatible = "x-powers,axp803-usb-power-supply";
>>> +		status = "disabled";
>>> +	};
>>
>> No. You have added support for the AC and battery power supply drivers
>> in this patchset, not for USB.
> 
> But I added its device tree binding.

Yes and that is wrong. That would mislead users into thinking the usb
power supply is supported (since the dt binding is here) while it's not.

I would add the dt binding and the DT node only once it is supported.

Quentin
-- 
Quentin Schulz, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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Thread

[RFC PATCH 0/7] AXP803 AC/Battery support Icenowy Zheng <icenowy@aosc.io> - 2017-09-20 17:20 +0200
  [RFC PATCH 1/7] dt-bindings: add compatibles for AXP803 Battery/USB power supplies Icenowy Zheng <icenowy@aosc.io> - 2017-09-20 17:20 +0200
    Re: [RFC PATCH 1/7] dt-bindings: add compatibles for AXP803  Battery/USB power supplies Quentin Schulz <quentin.schulz@free-electrons.com> - 2017-09-25 11:20 +0200
  [RFC PATCH 3/7] iio: adc: axp20x-adc: add support for AXP803 Icenowy Zheng <icenowy@aosc.io> - 2017-09-20 17:20 +0200
    Re: [RFC PATCH 3/7] iio: adc: axp20x-adc: add support for AXP803 Jonathan Cameron <jic23@kernel.org> - 2017-09-24 16:40 +0200
    Re: [RFC PATCH 3/7] iio: adc: axp20x-adc: add support for AXP803 Quentin Schulz <quentin.schulz@free-electrons.com> - 2017-09-25 10:50 +0200
  [RFC PATCH 5/7] mfd: axp20x: add cells for AXP803 ADC/AC Power/Battery Icenowy Zheng <icenowy@aosc.io> - 2017-09-20 17:20 +0200
  [RFC PATCH 7/7] arm64: allwinner: a64: enable AC and Battery for Pine64 Icenowy Zheng <icenowy@aosc.io> - 2017-09-20 17:30 +0200
  [RFC PATCH 6/7] arm64: allwinner: a64: add power supply nodes in AXP803 DTSI Icenowy Zheng <icenowy@aosc.io> - 2017-09-20 17:30 +0200
    Re: [RFC PATCH 6/7] arm64: allwinner: a64: add power supply nodes in  AXP803 DTSI Quentin Schulz <quentin.schulz@free-electrons.com> - 2017-09-25 11:20 +0200
      Re: [RFC PATCH 6/7] arm64: allwinner: a64: add power supply nodes in AXP803 DTSI Icenowy Zheng <icenowy@aosc.io> - 2017-09-25 11:20 +0200
        Re: [linux-sunxi] Re: [RFC PATCH 6/7] arm64: allwinner: a64: add  power supply nodes in AXP803 DTSI Chen-Yu Tsai <wens@csie.org> - 2017-09-25 11:30 +0200
        Re: [RFC PATCH 6/7] arm64: allwinner: a64: add power supply nodes in  AXP803 DTSI Quentin Schulz <quentin.schulz@free-electrons.com> - 2017-09-25 11:30 +0200
  Re: [RFC PATCH 0/7] AXP803 AC/Battery support Jonathan Cameron <Jonathan.Cameron@huawei.com> - 2017-09-21 16:50 +0200
    Re: [RFC PATCH 0/7] AXP803 AC/Battery support Icenowy Zheng <icenowy@aosc.io> - 2017-09-21 17:30 +0200
      Re: [RFC PATCH 0/7] AXP803 AC/Battery support Jonathan Cameron <jic23@kernel.org> - 2017-09-24 16:40 +0200
        Re: [RFC PATCH 0/7] AXP803 AC/Battery support Quentin Schulz <quentin.schulz@free-electrons.com> - 2017-09-25 11:30 +0200

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