Re: [PATCH 2/8] mfd: da9150: Add DT binding documentation for core

From: Jonathan Cameron
Date: Sat Sep 27 2014 - 06:36:39 EST


On 23/09/14 11:53, Adam Thomson wrote:
> Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@xxxxxxxxxxx>
Obviously this really wants a review from one of the device tree guys, but I
have a few
bits based on what Mark has recently said in other reviews ;)
> ---
> Documentation/devicetree/bindings/mfd/da9150.txt | 41 ++++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/da9150.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/da9150.txt b/Documentation/devicetree/bindings/mfd/da9150.txt
> new file mode 100644
> index 0000000..d7de150
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/da9150.txt
> @@ -0,0 +1,41 @@
> +Dialog Semiconductor DA9150 Combined Charger/Fuel-Gauge MFD bindings
> +
> +DA9150 consists of a group of sub-devices (I2C Only):
What does I2C only add to the description?
> +
> +Device Description
> +------ -----------
> +da9150-gpadc : IIO - GPADC
Given usual aversion to anything driver specific in the device tree description
you probably
just want to describe what they do rather than what subsystem provides the driver.

> +da9150-charger : Power Supply (Charger)
> +
> +======
> +
> +Required properties:
> +- compatible : Should be "dlg,da9150"
> +- reg: Specifies the I2C slave address
> +- interrupt-parent: Specifies the phandle of the interrupt controller to which
> + the IRQs from da9150 are delivered to.
> +- interrupts: IRQ line info for da9150 chip.
Cross refer to the standard interrupts doc for these...

> +- interrupt-controller: da9150 has internal IRQs (own IRQ domain).
> +
> +Sub-devices:
> +- da9150-gpadc: See Documentation/devicetree/bindings/iio/adc/da9150-gpadc.txt
> +- da9150-charger: See Documentation/devicetree/bindings/power/da9150-charger.txt
> +
> +
> +Example:
> +
> + charger_fg: da9150@58 {
> + compatible = "dlg,da9150";
> + reg = <0x58>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-controller;
> +
> + gpadc: da9150-gpadc {
> + ...
> + };
> +
> + da9150-charger {
> + ...
> + };
> + };
> --
> 1.9.3
>
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