Re: [PATCH V5 1/7] arm64: dts: sc7280: Add QSPI node

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On Thu, Aug 12, 2021 at 01:11:12PM +0530, Rajesh Patil wrote:
> From: Roja Rani Yarubandi <rojay@xxxxxxxxxxxxxx>
> 
> Add QSPI DT node and qspi_opp_table for SC7280 SoC.
> 
> Signed-off-by: Roja Rani Yarubandi <rojay@xxxxxxxxxxxxxx>
> Signed-off-by: Rajesh Patil <rajpat@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 62 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 53a21d0..f8dd5ff 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -415,6 +415,25 @@
>  		method = "smc";
>  	};
>  
> +	qspi_opp_table: qspi-opp-table {
> +		compatible = "operating-points-v2";
> +
> +		opp-75000000 {
> +			opp-hz = /bits/ 64 <75000000>;
> +			required-opps = <&rpmhpd_opp_low_svs>;
> +		};
> +
> +		opp-150000000 {
> +			opp-hz = /bits/ 64 <150000000>;
> +			required-opps = <&rpmhpd_opp_svs>;
> +		};
> +
> +		opp-300000000 {
> +			opp-hz = /bits/ 64 <300000000>;
> +			required-opps = <&rpmhpd_opp_nom>;
> +		};
> +	};
> +

>From v3:

roja> Can we move this "qspi_opp_table" to / from /soc?

bjorn> If you have made a proper attempt to convince Rob and Mark that
bjorn> a child "opp-table" in a SPI master is not a SPI device - and the
bjorn> conclusion is that this is not a good idea...then yes it should live
bjorn> outside /soc.

I didn't see a follow up on this, was such an attempt made? Is there a
link to the discussion?



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