[PATCH v2 1/2] dt-binding: iio: add NPCM ADC documentation

[Jonathan Cameron]

On Wed,  9 Jan 2019 18:43:42 +0200
Tomer Maimon <tmaimon77 at gmail.com> wrote:

> Added device tree binding documentation for Nuvoton BMC
> NPCM Analog-to-Digital Converter(ADC).
> 
> Signed-off-by: Tomer Maimon <tmaimon77 at gmail.com>
This looks fine to me, but I would like Rob's confirmation that
he is happy with the reset part in particular.

Thanks,

Jonathan

> ---
>  .../bindings/iio/adc/nuvoton,npcm-adc.txt          | 35 ++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt
> new file mode 100644
> index 000000000000..1b8132cd9060
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt
> @@ -0,0 +1,35 @@
> +Nuvoton NPCM Analog to Digital Converter (ADC)
> +
> +The NPCM ADC is a 10-bit converter for eight channel inputs.
> +
> +Required properties:
> +- compatible: "nuvoton,npcm750-adc" for the NPCM7XX BMC.
> +- reg: specifies physical base address and size of the registers.
> +- interrupts: Contain the ADC interrupt with flags for falling edge.
> +
> +Optional properties:
> +- clocks: phandle of ADC reference clock, in case the clock is not
> +		  added the ADC will use the default ADC sample rate.
> +- vref-supply: The regulator supply ADC reference voltage, in case the
> +			   vref-supply is not added the ADC will use internal voltage
> +			   reference.
> +
> +Required Node in the NPCM7xx BMC:
> +An additional register is present in the NPCM7xx SOC which is
> +assumed to be in the same device tree, with and marked as
> +compatible with "nuvoton,npcm750-rst".
> +
> +Example:
> +
> +adc: adc at f000c000 {
> +	compatible = "nuvoton,npcm750-adc";
> +	reg = <0xf000c000 0x8>;
> +	interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
> +	clocks = <&clk NPCM7XX_CLK_ADC>;
> +};
> +
> +rst: rst at f0801000 {
> +	compatible = "nuvoton,npcm750-rst", "syscon",
> +	"simple-mfd";
> +	reg = <0xf0801000 0x6C>;
> +};