[PATCH] dt-bindings: PCI: dwc: rockchip: document optional pcie reference clock input

[Krzysztof Kozlowski]

On 06/12/2023 15:50, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner at cherry.de>
> 
> On some boards the 100MHz PCIe reference clock to both controller and
> devices is controllable. Add that clock to the list of clocks.
> 
> The clock is optional, so the minItems stays the same.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Best regards,
Krzysztof