Re: [PATCH 2/2] arm64: dts: qcom: Add cpu scaling clock node

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On 1/20/2025 4:06 PM, Dmitry Baryshkov wrote:
On Mon, 20 Jan 2025 at 12:34, Taniya Das <quic_tdas@xxxxxxxxxxx> wrote:



On 1/20/2025 2:16 PM, Dmitry Baryshkov wrote:
This doesn't follow the bindings, does it?
I will add and re-use the closest target compatible.

+          reg = <0 0x18323000 0 0x1400>,
+                <0 0x18325800 0 0x1400>;
+          reg-names = "freq-domain0", "freq-domain1";
+
+          clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
+          clock-names = "xo", "alternate";
Are the DCVSH interrupts?

This target does not have DCVSH interrupts directly connected to the
CPUFREQ-HW.
So, does it require a separate LMH driver, like the one used for sdm845?

I will check how it is handled on QCS615 as it is closer to SC7180 and I
didn't see any LMH handling there as well.

At least sm6150-thermal.dtsi declares two LMH blocks.

QCS615 also has 2 LMH blocks, but the handling of interrupts will be done from the LMH driver, integration with CPUFREQ-HW driver is still under evaluation.

--
Thanks & Regards,
Taniya Das.





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