From: Paul Cercueil <paul@xxxxxxxxxxxxxxx> Add a documentation file to describe the Device Tree bindings for the SPI controller found in Ingenic SoCs. Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> --- .../devicetree/bindings/spi/ingenic,spi.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/ingenic,spi.yaml diff --git a/Documentation/devicetree/bindings/spi/ingenic,spi.yaml b/Documentation/devicetree/bindings/spi/ingenic,spi.yaml new file mode 100644 index 000000000000..cf56cc484b19 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/ingenic,spi.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/ingenic,spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs SPI controller devicetree bindings + +maintainers: + - Artur Rojek <contact@xxxxxxxxxxxxxx> + - Paul Cercueil <paul@xxxxxxxxxxxxxxx> + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +properties: + compatible: + oneOf: + - enum: + - ingenic,jz4750-spi + - ingenic,jz4780-spi + - items: + - enum: + - ingenic,jz4760-spi + - ingenic,jz4770-spi + - const: ingenic,jz4750-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + dmas: + maxItems: 2 + minItems: 2 + + dma-names: + items: + - const: rx + - const: tx + +required: + - compatible + - reg + - interrupts + - clocks + - dmas + - dma-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/jz4770-cgu.h> + spi@10043000 { + compatible = "ingenic,jz4770-spi", "ingenic,jz4750-spi"; + reg = <0x10043000 0x1c>; + #address-cells = <1>; + #size-cells = <0>; + + interrupt-parent = <&intc>; + interrupts = <8>; + + clocks = <&cgu JZ4770_CLK_SSI0>; + + dmas = <&dmac1 23 0xffffffff>, <&dmac1 22 0xffffffff>; + dma-names = "rx", "tx"; + }; -- 2.33.0
