[PATCH v10 1/3] dt-bindings: i2c: npcm7xx: add NPCM I2C controller

[Anton Kachalov]

The example uses "bus-frequency" while description says "clock-frequency"
for bus speed.

On Sun, May 10, 2020, 12:27 Tali Perry <tali.perry1 at gmail.com> wrote:

> Added device tree binding documentation for Nuvoton BMC
> NPCM I2C controller.
>
> Signed-off-by: Tali Perry <tali.perry1 at gmail.com>
> ---
>  .../bindings/i2c/nuvoton,npcm7xx-i2c.yaml     | 62 +++++++++++++++++++
>  1 file changed, 62 insertions(+)
>  create mode 100644
> Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
>
> diff --git
> a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
> b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
> new file mode 100644
> index 000000000000..d6f553154388
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i2c/nuvoton,npcm7xx-i2c.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: nuvoton NPCM7XX I2C Controller Device Tree Bindings
> +
> +description: |
> +  The NPCM750x includes sixteen I2C bus controllers. All Controllers
> support
> +  both master and slave mode. Each controller can switch between master
> and slave
> +  at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO
> for TX and
> +  RX.
> +
> +maintainers:
> +  - Tali Perry <tali.perry1 at gmail.com>
> +
> +properties:
> +  compatible:
> +      - const: nuvoton,npcm7xx-i2c
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    items:
> +      - description: Reference clock for the I2C bus
> +
> +  clock-frequency:
> +    maxItems: 1
> +    default: 100000
> +    enum: [ 100000, 400000, 1000000 ]
> +    description:
> +      SCL frequency to use (in Hz). If omitted, 100kHz is used.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +allOf:
> +  - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    i2c0: i2c at 80000 {
> +        compatible = "nuvoton,npcm750-i2c";
> +        reg = <0x80000 0x1000>;
> +        clocks = <&clk NPCM7XX_CLK_APB2>;
> +        bus-frequency = <100000>;
> +        interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&smb0_pins>;
> +    };
> +
> +...
> --
> 2.22.0
>
>
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