diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2021-08-31 01:01:37 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-09-13 02:00:25 +0100 |
| commit | ff4daa7dd7e624a989dc882f7dcce6d8818b1036 (patch) | |
| tree | e0ad479b727a07e688a6d8490ea0e2fff208dfd5 /Documentation/devicetree/bindings/spi/ingenic,spi.yaml | |
| parent | becbca18ae8fc86f8c379be11692fe8e25748bf8 (diff) | |
dt-bindings: spi: Document Ingenic SPI controller bindings
Add a documentation file to describe the Device Tree bindings for the
SPI controller found in Ingenic SoCs.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210830230139.21476-2-contact@artur-rojek.eu
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/ingenic,spi.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/ingenic,spi.yaml | 72 |
1 files changed, 72 insertions, 0 deletions
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@artur-rojek.eu> + - Paul Cercueil <paul@crapouillou.net> + +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"; + }; |