Re: [PATCH v4 1/5] mfd: add bcm590xx pmu DT binding

From: Mark Rutland
Date: Wed Mar 12 2014 - 09:34:42 EST


On Tue, Mar 11, 2014 at 11:33:53PM +0000, Matt Porter wrote:
> Add a DT binding for the BCM590xx PMUs. The binding inherits from
> the generic regulator bindings.
>
> Signed-off-by: Matt Porter <mporter@xxxxxxxxxx>
> Reviewed-by: Tim Kryger <tim.kryger@xxxxxxxxxx>
> Reviewed-by: Markus Mayer <markus.mayer@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mfd/bcm590xx.txt | 41 ++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/bcm590xx.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/bcm590xx.txt b/Documentation/devicetree/bindings/mfd/bcm590xx.txt
> new file mode 100644
> index 0000000..2300246
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/bcm590xx.txt
> @@ -0,0 +1,41 @@
> +-------------------------------
> +BCM590xx Power Management Units
> +-------------------------------
> +
> +Required properties:
> +- compatible: "brcm,bcm59056"
> +- reg: I2C slave address
> +- interrupts: interrupt for the PMU. Generic interrupt client node bindings
> + are described in interrupt-controller/interrupts.txt

This all looks sane.

> +
> +------------------
> +Voltage Regulators
> +------------------
> +
> +Optional properties:
> +- regulators: This is the list of child nodes that specify the regulator
> + initialization data for defined regulators. Generic regulator bindings
> + are described in regulator/regulator.txt.

This is a subnode, not a property. How about:

Optional child nodes:

- regulators: container node for regulators follwoing the generic
regulator binding in regulator/regulator.txt.

> +
> + The valid regulator nodes for BCM59056 are:

s/nodes/node names/

> + rfldo, camldo1, camldo2, simldo1, simldo2, sdldo, sdxldo,
> + mmcldo1, mmcldo2, audldo, micldo, usbldo, vibldo,
> + csr, iosr1, iosr2, msr, sdsr1, sdsr2, vsr
> +
> +Example:
> + pmu: bcm59056@8 {
> + compatible = "brcm,bcm59056";
> + reg = <0x08>;
> + interrupts = <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
> + regulators {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + rfldo_reg: rfldo {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <3300000>;

Are any specific properties required on these children?

Thanks,
Mark.

> + };
> +
> + ...
> + };
> + };
> --
> 1.8.4
>
>
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