[PATCH 5/8] arm64: dts: qcom: ipq5332: Add clocks for USB Super-Speed

[Dmitry Baryshkov]

On 29/09/2023 11:42, Praveenkumar I wrote:
> Add aux and lfps clocks in USB node for Super-Speed support.
> 
> Signed-off-by: Praveenkumar I <quic_ipkumar at quicinc.com>
> ---
>   arch/arm64/boot/dts/qcom/ipq5332.dtsi | 9 +++++++--
>   1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> index b08ffd8c094e..1813b9fa4bb5 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> @@ -336,11 +336,16 @@ usb: usb at 8af8800 {
>   			clocks = <&gcc GCC_USB0_MASTER_CLK>,
>   				 <&gcc GCC_SNOC_USB_CLK>,
>   				 <&gcc GCC_USB0_SLEEP_CLK>,
> -				 <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> +				 <&gcc GCC_USB0_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_USB0_AUX_CLK>,
> +				 <&gcc GCC_USB0_LFPS_CLK>;

This looks like a strange change. Usually the DTB is considered to be 
the ABI, so older DTBs should continue to work with newer kernels. Is 
there a reason why the AUX and LFPS clocks were not a part of the 
original submission?

> +
>   			clock-names = "core",
>   				      "iface",
>   				      "sleep",
> -				      "mock_utmi";
> +				      "mock_utmi",
> +				      "aux",
> +				      "lfps";
>   
>   			resets = <&gcc GCC_USB_BCR>;
>   

-- 
With best wishes
Dmitry