linux-kernel - Re: [PATCH 1/4] Documentation: tps65086: Add DT bindings for the TPS65086 PMIC

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Date:	Mon, 19 Oct 2015 10:16:47 -0500
From:	"Andrew F. Davis" <afd@...com>
To:	Lee Jones <lee.jones@...aro.org>
CC:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Brown <broonie@...nel.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Grygorii Strashko <grygorii.strashko@...com>,
	<linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] Documentation: tps65086: Add DT bindings for the
 TPS65086 PMIC

On 10/19/2015 04:13 AM, Lee Jones wrote:
> On Fri, 16 Oct 2015, Andrew F. Davis wrote:
>
>> The TPS65086 PMIC contains several regulators and a GPO controller.
>> Add bindings for the TPS65086 PMIC.
>>
>> Signed-off-by: Andrew F. Davis <afd@...com>
>> ---
>>   .../devicetree/bindings/gpio/gpio-tps65086.txt     | 17 ++++++++
>>   Documentation/devicetree/bindings/mfd/tps65086.txt | 46 ++++++++++++++++++++++
>>   .../bindings/regulator/tps65086-regulator.txt      | 36 +++++++++++++++++
>
> Please split these up into separate patches.
>
> There is no functional reason to bundle them up.
>

ACK

>>   3 files changed, 99 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/gpio/gpio-tps65086.txt
>>   create mode 100644 Documentation/devicetree/bindings/mfd/tps65086.txt
>>   create mode 100644 Documentation/devicetree/bindings/regulator/tps65086-regulator.txt
>
> [...]
>
>> diff --git a/Documentation/devicetree/bindings/mfd/tps65086.txt b/Documentation/devicetree/bindings/mfd/tps65086.txt
>> new file mode 100644
>> index 0000000..4b6aeb4
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/tps65086.txt
>> @@ -0,0 +1,46 @@
>> +* TPS65086 Power Management Integrated Circuit bindings
>> +
>> +Required properties:
>> + - compatible		: Should be "ti,tps65086".
>
> Any indication that it's a PMIC?
>

In the compatible string?

>> + - reg			: Slave address.
>
> I2C/SPI?
>

ACK

>> + - interrupt-parent	: The parent interrupt controller.
>
> Phandled to ...
>

ACK

>> + - interrupts		: The interrupt line the device is connected to.
>> + - interrupt-controller	: Marks the device node as an interrupt controller.
>> + - #interrupt-cells	: The number of cells to describe an IRQ, this
>> +			  should be 2. The first cell is the IRQ number.
>> +			  The second cell is the flags, encoded as the trigger
>> +			  masks from ../interrupt-controller/interrupts.txt.
>
> Masks?  What masks?
>
> Best to make a link to the header where the flags are defined here.
>

ACK

>> +Additional nodes defined in:
>> + - Regulators	: ../regulator/tps65086-regulator.txt.
>> + - GPIO		: ../gpio/gpio-tps65086.txt.
>
> I'd suggest removing the full stops from all of the lines above.
>
> Just treat them as bullet points like we normally do.
>

ACK

>> +Example:
>> +
>> +	pmic: tps65086@5e {
>> +		compatible = "ti,tps65086";
>> +		reg = <0x5e>;
>> +		interrupt-parent = <&gpio1>;
>> +		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
>> +		interrupt-controller;
>> +		#interrupt-cells = <2>;
>> +
>> +		regulators {
>> +			compatible = "ti,tps65086-regulator";
>> +
>> +			buck1 {
>> +				regulator-name = "vcc1";
>> +				regulator-min-microvolt = <1600000>;
>> +				regulator-max-microvolt = <1600000>;
>> +				regulator-boot-on;
>> +				ti,regulator-decay;
>> +				ti,regulator-step-size-25mv;
>> +			};
>> +		};
>> +
>> +		gpio4: tps65086_gpio {
>> +			compatible = "ti,tps65086-gpio";
>> +			gpio-controller;
>> +			#gpio-cells = <2>;
>> +		};
>> +	};
>
> [...]
>

-- 
Andrew F. Davis
--
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