[PATCH v5 6/7] dt-bindings: clock: rockchip: Add RK3506 clock and reset unit

[Conor Dooley]

On Mon, Oct 27, 2025 at 04:41:46PM +0800, Elaine Zhang wrote:
> From: Finley Xiao <finley.xiao at rock-chips.com>
> 
> Add device tree bindings for clock and reset unit on RK3506 SoC.
> Add clock and reset IDs for RK3506 SoC.
> 
> Signed-off-by: Finley Xiao <finley.xiao at rock-chips.com>
> ---
>  .../bindings/clock/rockchip,rk3506-cru.yaml   |  51 ++++
>  .../dt-bindings/clock/rockchip,rk3506-cru.h   | 285 ++++++++++++++++++
>  .../dt-bindings/reset/rockchip,rk3506-cru.h   | 211 +++++++++++++
>  3 files changed, 547 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3506-cru.yaml
>  create mode 100644 include/dt-bindings/clock/rockchip,rk3506-cru.h
>  create mode 100644 include/dt-bindings/reset/rockchip,rk3506-cru.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3506-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3506-cru.yaml
> new file mode 100644
> index 000000000000..ecb5fa497747
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3506-cru.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/rockchip,rk3506-cru.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip RK3506 Clock and Reset Unit (CRU)
> +
> +maintainers:
> +  - Finley Xiao <finley.xiao at rock-chips.com>
> +  - Heiko Stuebner <heiko at sntech.de>
> +
> +description: |
> +  The RK3506 CRU generates the clock and also implements reset for SoC
> +  peripherals.
> +
> +properties:
> +  compatible:
> +    const: rockchip,rk3506-cru
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#clock-cells":
> +    const: 1
> +
> +  "#reset-cells":
> +    const: 1
> +
> +  clocks:
> +    maxItems: 1

Can you explain somewhere why the input clock is not required?
Feels like it really should be required, if it is what the output clocks
are generated from, but I can also see why it might be optional either.
pw-bot: changes-requested

> +
> +  clock-names:
> +    const: xin24m
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#clock-cells"
> +  - "#reset-cells"
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