Add bindings for AX88796C SPI Ethernet Adapter. Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- .../bindings/net/asix,ax88796c.yaml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/asix,ax88796c.yaml diff --git a/Documentation/devicetree/bindings/net/asix,ax88796c.yaml b/Documentation/devicetree/bindings/net/asix,ax88796c.yaml new file mode 100644 index 000000000000..699ebf452479 --- /dev/null +++ b/Documentation/devicetree/bindings/net/asix,ax88796c.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/asix,ax88796c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASIX AX88796C SPI Ethernet Adapter + +maintainers: + - Łukasz Stelmach <l.stelmach@xxxxxxxxxxx> + +description: | + ASIX AX88796C is an Ethernet controller with a built in PHY. This + describes SPI mode of the chip. + + The node for this driver must be a child node of an SPI controller, + hence all mandatory properties described in + ../spi/spi-controller.yaml must be specified. + +allOf: + - $ref: ethernet-controller.yaml# + +properties: + compatible: + const: asix,ax88796c + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 40000000 + + interrupts: + maxItems: 1 + + reset-gpios: + description: + A GPIO line handling reset of the chip. As the line is active low, + it should be marked GPIO_ACTIVE_LOW. + maxItems: 1 + + local-mac-address: true + + mac-address: true + +required: + - compatible + - reg + - spi-max-frequency + - interrupts + - reset-gpios + +additionalProperties: false + +examples: + # Artik5 eval board + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + ethernet@0 { + compatible = "asix,ax88796c"; + reg = <0x0>; + local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */ + interrupt-parent = <&gpx2>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + spi-max-frequency = <40000000>; + reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>; + }; + }; -- 2.26.2
