i2c-virtio represents a virtio I2C device and this patch adds binding for the same. The i2c-virtio subnode can be part of a virtio,mmio node and is based on its binding. Cc: Wolfram Sang <wsa@xxxxxxxxxx> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> --- .../devicetree/bindings/i2c/i2c-virtio.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-virtio.yaml diff --git a/Documentation/devicetree/bindings/i2c/i2c-virtio.yaml b/Documentation/devicetree/bindings/i2c/i2c-virtio.yaml new file mode 100644 index 000000000000..6b6538f9a3d8 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-virtio.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/i2c-virtio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Virtio memory mapped I2C Adapter + +maintainers: + - Viresh Kumar <viresh.kumar@xxxxxxxxxx> + +description: + Virtio I2C device, see /schemas/virtio/mmio.yaml for more details. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + $nodename: + pattern: '^i2c-virtio@[0-9]+$' + + reg: + description: + The cell is the device ID of the I2C device (VIRTIO_ID_I2C_ADAPTER) as per + dt-bindings/virtio/virtio_ids.h. + const: 34 + $ref: /schemas/virtio/mmio.yaml#/properties/reg + +required: + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/virtio/virtio_ids.h> + + virtio@3000 { + compatible = "virtio,mmio"; + reg = <0x3000 0x100>; + interrupts = <41>; + + #address-cells = <1>; + #size-cells = <0>; + + i2c-virtio@0 { + reg = <VIRTIO_ID_I2C_ADAPTER>; + + #address-cells = <1>; + #size-cells = <0>; + + light-sensor@1c { + compatible = "dynaimage,al3320a"; + reg = <0x20>; + }; + }; + }; + +... -- 2.31.1.272.g89b43f80a514
