| Message ID | 20190116164855.200357-2-tmaimon77@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iio: adc: npcm: add NPCM ADC driver | expand |
On Wed, 16 Jan 2019 18:48:54 +0200 Tomer Maimon <tmaimon77@gmail.com> wrote: > Added device tree binding documentation for Nuvoton BMC > NPCM Analog-to-Digital Converter(ADC). > > Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> > Reviewed-by: Rob Herring <robh@kernel.org> Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to play with it. 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@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>; > +};
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@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>; +};