Re: [PATCH 1/3] dt-bindings: clock: add TWL6032 32K clocks

From: Rob Herring
Date: Mon Aug 21 2023 - 16:57:51 EST


On Sat, Aug 19, 2023 at 03:41:45PM +0200, Andreas Kemnade wrote:
> To be able to be referenced from a future yaml-version of
> mfd/twl-family.txt depending on toplevel compatible have a separate file
> for the 6032

Really, the parent needs to be done first...

> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> .../bindings/clock/ti,twl6032-clk.yaml | 38 +++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/ti,twl6032-clk.yaml
>
> diff --git a/Documentation/devicetree/bindings/clock/ti,twl6032-clk.yaml b/Documentation/devicetree/bindings/clock/ti,twl6032-clk.yaml
> new file mode 100644
> index 0000000000000..aebd9f8d761a2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/ti,twl6032-clk.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ti,twl6032-clk.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Clocks of the TWL6032 PMIC
> +
> +maintainers:
> + - Andreas Kemnade <andreas@xxxxxxxxxxxx>
> +
> +description:
> + The TWL6032 has some 32Khz clock outputs which can be controlled.

outputs? Seems like only 1 with no clock cells to specify which one.

> +
> +properties:
> + compatible:
> + enum:
> + - ti,twl6032-clk32kaudio
> + - ti,twl6032-clk32kg

Or is it 1 output per compatible? I hope not.

> +
> + '#clock-cells':
> + const: 0
> +
> +required:
> + - compatible
> + - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + twl {
> + clk32kaudio {
> + compatible = "ti,twl6032-clk32kaudio";
> + #clock-cells = <0>;
> + };

You don't need a child node to be a clock provider. Just add
#clock-cells to the parent node.

Rob