Re: [PATCH 2/2] dt-bindings: clock: ti,dra7-atl: convert to dt-schema

Rob Herring <[email protected]>
Newsgroups org.kernel.vger.linux-clk,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On Thu, Aug 13, 2026 at 12:41:18AM +0530, Bhargav Joshi wrote:
> Convert the IP driver portion of the DRA7 ATL (Audio Tracking Logic)
> binding from the freeform text binding to dt-schema. Together with
> ti,dra7-atl-clock.yaml this fully replaces dra7-atl.txt.
> 
> ti,hwmods is marked deprecated as modern DTS uses ti,sysc target-module
> wrappers and the property is absent from current dra7-l4.dtsi.
> 
> bws/aws maximum set to 15 per the 16 mux sources in
> dt-bindings/clock/ti-dra7-atl.h.
> 
> Signed-off-by: Bhargav Joshi <[email protected]>
> ---
>  .../devicetree/bindings/clock/ti/dra7-atl.txt      | 56 -------------
>  .../devicetree/bindings/clock/ti/ti,dra7-atl.yaml  | 98 ++++++++++++++++++++++
>  2 files changed, 98 insertions(+), 56 deletions(-)


> diff --git a/Documentation/devicetree/bindings/clock/ti/ti,dra7-atl.yaml b/Documentation/devicetree/bindings/clock/ti/ti,dra7-atl.yaml
> new file mode 100644
> index 000000000000..5460432219a5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/ti/ti,dra7-atl.yaml
> @@ -0,0 +1,98 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ti/ti,dra7-atl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI DRA7 ATL (Audio Tracking Logic) Clock Controller
> +
> +maintainers:
> +  - Peter Ujfalusi <[email protected]>
> +
> +description:
> +  The ATL IP is used to generate clock to be used to synchronize baseband and
> +  audio codec. A single ATL IP provides four ATL clock instances sharing the
> +  same functional clock but can be configured to provide different clocks.
> +  ATL can maintain a clock averages to some desired frequency based on the
> +  bws/aws signals - can compensate the drift between the two ws signal.
> +
> +  See also Documentation/devicetree/bindings/clock/ti/ti,dra7-atl-clock.yaml
> +
> +properties:
> +  compatible:
> +    const: ti,dra7-atl
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: fck
> +
> +  ti,provided-clocks:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    minItems: 4
> +    maxItems: 4

As the phandles have no arg cells:

       items:
         maxItems: 1

With that,

Reviewed-by: Rob Herring (Arm) <[email protected]>
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