This change adds the bindings documentation for the AXI ADC driver. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> --- .../bindings/iio/adc/adi-axi-adc.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi-axi-adc.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi-axi-adc.yaml b/Documentation/devicetree/bindings/iio/adc/adi-axi-adc.yaml new file mode 100644 index 000000000000..d45d41f4f08e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi-axi-adc.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi-axi-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AXI ADC IP core + +maintainers: + - Michael Hennerich <michael.hennerich@xxxxxxxxxx> + - Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> + +description: | + Analog Devices Generic AXI ADC IP core for interfacing an ADC device + with a high speed serial (JESD204B/C) or source synchronous parallel + interface (LVDS/CMOS). + Usually, some other interface type (i.e SPI) is used as a control + interface for the actual ADC, while this IP core will interface + to the data-lines of the ADC and handle the streaming of data into + memory via DMA. + + https://wiki.analog.com/resources/fpga/docs/axi_adc_ip + +properties: + compatible: + enum: + - adi,axi-adc-10.0.a + + reg: + maxItems: 1 + + dmas: + minItems: 1 + maxItems: 1 + + dma-names: + maxItems: 1 + items: + - const: rx + + adi-axi-adc-client: + description: + A reference to a the actual ADC to which this FPGA ADC interfaces to. + maxItems: 1 + +required: + - compatible + - dmas + - reg + - adi-axi-adc-client + +additionalProperties: false + +examples: + - | + fpga_axi { + #address-cells = <1>; + #size-cells = <1>; + + axi-adc@44a00000 { + compatible = "adi,axi-adc-10.0.a"; + reg = <0x44a00000 0x10000>; + dmas = <&rx_dma 0>; + dma-names = "rx"; + + adi-axi-adc-client = <&spi_adc>; + }; + }; +... -- 2.20.1
