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SubjectRe: [5.16][PATCH 1/3] dt-bindings: spi: Document Ingenic SPI controller bindings
On 2021-08-31 01:01, Artur Rojek wrote:
> From: Paul Cercueil <paul@crapouillou.net>
>
> 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>
Woops, forgot to add my --signoff for this patch:

Signed-off-by: Artur Rojek <contact@artur-rojek.eu>

Cheers,
Artur
> ---
> .../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@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";
> + };

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