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

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Message-ID: <20151019152100.GK31804@x1>
Date:	Mon, 19 Oct 2015 16:21:00 +0100
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>,
	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 Mon, 19 Oct 2015, Andrew F. Davis wrote:

> 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?

Ya.

> >>+ - 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>;
> >>+		};
> >>+	};
> >
> >[...]
> >
> 

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