Add a documentation file to describe the Device Tree bindings for the Nordic Semiconductor nRF70 series wireless companion IC. Signed-off-by: Artur Rojek <artur@xxxxxxxxxxxxx> --- .../bindings/net/wireless/nordic,nrf70.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml diff --git a/Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml b/Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml new file mode 100644 index 000000000000..1c61f7bdbf8a --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/wireless/nordic,nrf70.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nordic Semiconductor nRF70 series wireless companion IC + +maintainers: + - Artur Rojek <artur@xxxxxxxxxxxxxxx> + +properties: + compatible: + const: nordic,nrf70 + + req: + maxItems: 1 + + irq-gpios: + maxItems: 1 + description: HOST_IRQ line, used for host processor interrupt requests. + + bucken-gpios: + maxItems: 1 + description: BUCKEN line, used for I/O voltage control. + + iovdd-gpios: + maxItems: 1 + description: External, GPIO-driven switch, found in some nRF70 based board + designs, and used together with BUCKEN for I/O voltage control. Optional. + +required: + - compatible + - reg + - irq-gpios + - bucken-gpios + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nrf7002@0 { + compatible = "nordic,nrf70"; + reg = <0>; + spi-max-frequency = <32000000>; + voltage-ranges = <1800 1800>; + bucken-gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>; + irq-gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; + }; + }; -- 2.49.0
