linux-kernel - Re: [PATCH v4 1/4] Documentation: tps65086: Add DT bindings for the TPS65086 PMIC

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Message-ID: <20151123160921.GD31376@x1>
Date:	Mon, 23 Nov 2015 16:09:21 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	"Andrew F. Davis" <afd@...com>
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>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/4] Documentation: tps65086: Add DT bindings for the
 TPS65086 PMIC

On Thu, 19 Nov 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>
> ---
>  Documentation/devicetree/bindings/mfd/tps65086.txt | 55 ++++++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/tps65086.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/tps65086.txt b/Documentation/devicetree/bindings/mfd/tps65086.txt
> new file mode 100644
> index 0000000..6b50613
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/tps65086.txt
> @@ -0,0 +1,55 @@
> +* TPS65086 Power Management Integrated Circuit bindings

s/Circuit/Circuit (PMIC)/

> +Required properties:
> + - compatible		: Should be "ti,tps65086".
> + - reg			: I2C slave address.
> + - interrupt-parent	: Phandle to he parent interrupt controller.

s/he/the/

> + - 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, should be 2.
> +			    The first cell is the IRQ number.
> +			    The second cell is the flags, encoded as trigger
> +			    masks from ../interrupt-controller/interrupts.txt.
> + - gpio-controller      : Marks the device node as a GPIO Controller.
> + - #gpio-cells          : Should be two.  The first cell is the pin number and
> +                            the second cell is used to specify flags.
> +                            See ../gpio/gpio.txt for more information.
> + - regulators:          : List of child nodes that specify the regulator
> +                            initialization data. Child nodes must be named
> +                            after their hardware counterparts: buck[1-6],
> +                            ldoa[1-3], swa1, swb[1-2], and vtt. Each child
> +                            nodes is defined using the standard binding for

s/is/are/

> +                            regulators and the optional regulator properties
> +                            defined below.
> +
> +Optional regulator properties:
> + - ti,regulator-step-size-25mv	: This is applicable for buck[1,2,6], set this
> +				    if the regulator is factory set with a 25mv
> +				    step voltage mapping.
> + - ti,regulator-decay		: This is applicable for buck[1-6], set this if
> +				    the output needs to decay, default is for
> +				    the output to slew down.
> +
> +Example:
> +
> +	pmic: tps65086@5e {
> +		compatible = "ti,tps65086";
> +		reg = <0x5e>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		regulators {
> +			buck1 {
> +				regulator-name = "vcc1";
> +				regulator-min-microvolt = <1600000>;
> +				regulator-max-microvolt = <1600000>;
> +				regulator-boot-on;
> +				ti,regulator-decay;
> +				ti,regulator-step-size-25mv;
> +			};
> +		};
> +	};

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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