[PATCH RFC 07/12] dt-bindings: spi: add bindings for spi-virtio
From: Francesco Valla <hidden>
Date: 2026-09-16 21:11:35
Also in:
imx, linux-devicetree, linux-iommu, linux-remoteproc, lkml, virtualization
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
Add bindings for spi-virtio, based on virtio-device. Signed-off-by: Francesco Valla <redacted> --- .../devicetree/bindings/spi/spi-virtio.yaml | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-virtio.yaml b/Documentation/devicetree/bindings/spi/spi-virtio.yaml
new file mode 100644
index 000000000000..1a0a0763bd2f
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-virtio.yaml@@ -0,0 +1,52 @@ +# 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 SPI Controller + +maintainers: + - Francesco Valla <francesco@valla.it> + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + - $ref: /schemas/virtio/virtio-device.yaml# + +description: + Virtio SPI device, see /schemas/virtio/virtio-device.yaml for more details. + +properties: + $nodename: + const: spi + + compatible: + const: virtio,device2d + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + virtio@3000 { + compatible = "virtio,mmio"; + reg = <0x3000 0x100>; + interrupts = <41>; + + spi { + compatible = "virtio,device2d"; + + #address-cells = <1>; + #size-cells = <0>; + + sram@0 { + compatible = "microchip,mchp23k256"; + reg = <0>; + spi-max-frequency = <20000000>; + }; + }; + }; + +...
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2.55.0