On Mon, 24 Dec 2018 18:47:54 +0200 Tomer Maimon <tmaimon77@xxxxxxxxx> wrote: > Added device tree binding documentation for Nuvoton BMC > NPCM Analog-to-Digital Converter(ADC). > > Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx> > --- > .../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..6f0843d837cc > --- /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. Something a bit crazy with the indentation here! > +- 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@f000c000 { > + compatible = "nuvoton,npcm750-adc"; > + reg = <0xf000c000 0x8>; > + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clk NPCM7XX_CLK_ADC>; > +}; > + > +rst: rst@f0801000 { > + compatible = "nuvoton,npcm750-rst", "syscon", > + "simple-mfd"; > + reg = <0xf0801000 0x6C>; > +};