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SubjectRe: [PATCH 2/4] dt-bindings: clock: Convert ti,sci-clk to json schema
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Quoting Nishanth Menon (2021-04-15 23:37:19)
> diff --git a/Documentation/devicetree/bindings/clock/ti,sci-clk.yaml b/Documentation/devicetree/bindings/clock/ti,sci-clk.yaml
> new file mode 100644
> index 000000000000..72633651f0c7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/ti,sci-clk.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ti,sci-clk.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI-SCI clock controller node bindings
> +
> +maintainers:
> + - Nishanth Menon <nm@ti.com>
> +
> +allOf:
> + - $ref: /schemas/clock/clock.yaml#

Is this needed?

> +
> +description: |
> + Some TI SoCs contain a system controller (like the Power Management Micro
> + Controller (PMMC) on Keystone 66AK2G SoC) that are responsible for controlling
> + the state of the various hardware modules present on the SoC. Communication
> + between the host processor running an OS and the system controller happens
> + through a protocol called TI System Control Interface (TI-SCI protocol).
> +
> + This clock controller node uses the TI SCI protocol to perform various clock
> + management of various hardware modules (devices) present on the SoC. This
> + node must be a child node of the associated TI-SCI system controller node.
> +
> +properties:
> + $nodename:
> + pattern: "^clock-controller$"

Is this nodename pattern check required?

> +
> + compatible:
> + const: ti,k2g-sci-clk

I thought most things keyed off the compatible string.

> +
> + "#clock-cells":
> + const: 2
> + description:
> + The two cells represent values that the TI-SCI controller defines.
> +
> + The first cell should contain the device ID.
> +
> + The second cell should contain the clock ID.
> +
> + Please see http://processors.wiki.ti.com/index.php/TISCI for
> + protocol documentation for the values to be used for different devices.
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + k3_clks: clock-controller {
> + compatible = "ti,k2g-sci-clk";
> + #clock-cells = <2>;
> + };

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