On Fri, 17 Jul 2015, Javier Martinez Canillas wrote:
> The MAX77802 is a chip that contains regulators, 2 32kHz clocks,
> a RTC and an I2C interface to program the individual components.
>
> The are already DT bindings for the regulators and clocks and
> these reference to a bindings/mfd/max77802.txt file, that didn't
> exist, for the details about the PMIC.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> ---
>
> Changes in v2:
> - Use the correct "maxim,max77802" compatible string.
> Suggested by Krzysztof Kozlowski
> - Use a pmic generic node name for the max77802 node example.
> Suggested by Sergei Shtylyov.
>
> Documentation/devicetree/bindings/mfd/max77802.txt | 26 ++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/max77802.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/max77802.txt b/Documentation/devicetree/bindings/mfd/max77802.txt
> new file mode 100644
> index 000000000000..c60cdec50d36
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/max77802.txt
> @@ -0,0 +1,26 @@
> +Maxim MAX77802 multi-function device
> +
> +The Maxim MAX77802 is a power management chip (PMIC) that contains 10 high
> +efficiency Buck regulators, 32 Low-dropout (LDO) regulators used to power
Would be good to capitalise the works in the acronyms, so
"Low-DropOut" and "Power Management IC".
> +up application processors and peripherals, a 2-channel 32kHz clock outputs,
> +a Real-Time-Clock (RTC) and a I2C interface to program the individual
> +regulators, clocks outputs and the RTC.
> +
> +Binding for the built-in 32k clock generator block is defined separately
> +in the bindings/clk/maxim,max77802.txt file and binding for the regulators
s/bindings/../
> +is defined in the bindings/regulator/max77802.txt file.
> +
> +Required properties:
> +- compatible : Must be "maxim,max77802";
> +- reg : Specifies the i2c slave address of PMIC block.
s/i2c/I2C/
> +- interrupts : This i2c device has an IRQ line connected to the main SoC.
As above.
> +- interrupt-parent : The parent interrupt controller.
> +
> +Example:
> +
> + max77802: pmic@09 {
> + compatible = "maxim,max77802";
> + interrupt-parent = <&intc>;
> + interrupts = <26 0>;
Is there a define in include/dt-bindings/interrupt-controller to
replace 0? IRQ_TYPE_NONE perhaps.
> + reg = <0x09>;
> + };
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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