[PATCH 1/3] dt-bindings: soc: Add VIA/WonderMedia SoC identification
Krzysztof Kozlowski
krzk at kernel.org
Fri Apr 25 03:20:59 PDT 2025
On 23/04/2025 21:18, Alexey Charkov wrote:
> VIA/WonderMedia SoC's have a chip ID register inside their system
> configuration controller space, which can be used to identify
> appropriate hardware quirks at runtime. Add binding for it.
>
> Signed-off-by: Alexey Charkov <alchark at gmail.com>
> ---
> .../devicetree/bindings/soc/vt8500/via,scc-id.yaml | 37 ++++++++++++++++++++++
chipid should probably go to hwinfo directory in bindings.
> 1 file changed, 37 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/soc/vt8500/via,scc-id.yaml b/Documentation/devicetree/bindings/soc/vt8500/via,scc-id.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..eac72bd66fd6331c8d9316288bc1acc3e337efaa
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/vt8500/via,scc-id.yaml
> @@ -0,0 +1,37 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/vt8500/via,scc-id.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: VIA/WonderMedia SoC system configuration information
> +
> +maintainers:
> + - Alexey Charkov <alchark at gmail.com>
> +
> +description:
> + The system configuration controller on VIA/WonderMedia SoC's contains a chip
> + identifier and revision used to differentiate between different hardware
> + versions of on-chip IP blocks having their own peculiarities which may or
> + may not be captured by their respective DT compatible strings
> +
> +properties:
> + compatible:
> + items:
> + - const: via,scc-id
Compatible based on SoC (and then also keep filename matching it).
> +
> + reg:
> + maxItems: 1
> +
Best regards,
Krzysztof
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