[PATCH v2 1/2] dt-bindings: i2c: spacemit: add support for K1 SoC
Krzysztof Kozlowski
krzk at kernel.org
Thu Oct 31 01:01:30 PDT 2024
On Mon, Oct 28, 2024 at 01:32:19PM +0800, Troy Mitchell wrote:
> The I2C of K1 supports fast-speed-mode and high-speed-mode,
> and supports FIFO transmission.
>
> Signed-off-by: Troy Mitchell <TroyMitchell988 at gmail.com>
> ---
> .../bindings/i2c/spacemit,k1-i2c.yaml | 51 +++++++++++++++++++
> 1 file changed, 51 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
>
> diff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> new file mode 100644
> index 000000000000..57af66f494e7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i2c/spacemit,k1-i2c.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: I2C controller embedded in SpacemiT's K1 SoC
> +
> +maintainers:
> + - Troy Mitchell <troymitchell988 at gmail.com>
> +
> +properties:
> + compatible:
> + const: spacemit,k1-i2c
> +
> + reg:
> + maxItems: 2
Provide changelog explaining why you are doing some changes.
List and describe items here instead.
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + clock-frequency:
> + description:
> + Desired I2C bus clock frequency in Hz. As only fast and high-speed
> + modes are supported by hardware, possible values are 100000 and 400000.
> + enum: [100000, 400000]
> + default: 100000
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + i2c at d4010800 {
> + compatible = "spacemit,k1-i2c";
> + reg = <0x0 0xd4010800 0x0 0x38>;
Missing second item.
Best regards,
Krzysztof
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