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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Thara Gopinath <thara.gopinath@linaro.org>
Cc: agross@kernel.org, rui.zhang@intel.com,
	daniel.lezcano@linaro.org, viresh.kumar@linaro.org,
	rjw@rjwysocki.net, robh+dt@kernel.org, tdas@codeaurora.org,
	mka@chromium.org, linux-arm-msm@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [Patch v3 4/6] arm64: boot: dts: qcom: sdm45: Add support for LMh node
Date: Fri, 9 Jul 2021 23:17:24 -0500	[thread overview]
Message-ID: <YOkfVBWwS/wIeIfz@yoga> (raw)
In-Reply-To: <20210708120656.663851-5-thara.gopinath@linaro.org>

On Thu 08 Jul 07:06 CDT 2021, Thara Gopinath wrote:

> Add LMh nodes for cpu cluster0 and cpu cluster1. Also add interrupt
> support in cpufreq node to capture the LMh interrupt and let the scheduler
> know of the max frequency throttling.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
> ---
> 
> v2->v3:
> 	- Changed the LMh low and high trip to 94500 and 95000 mC from
> 	  74500 and 75000 mC. This was a bug that got introduced in v2.
> v1->v2:
> 	- Dropped dt property qcom,support-lmh as per Bjorn's review comments.
> 	- Changed lmh compatible from generic to platform specific.
> 	- Introduced properties specifying arm, low and high temp thresholds for LMh
> 	  as per Daniel's suggestion.
> 
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 0a86fe71a66d..4da6b8f3dd7b 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -3646,6 +3646,30 @@ swm: swm@c85 {
>  			};
>  		};
>  
> +		lmh_cluster1: lmh@17d70800 {
> +			compatible = "qcom,sdm845-lmh";
> +			reg = <0 0x17d70800 0 0x401>;
> +			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
> +			qcom,lmh-cpu-id = <0x4>;
> +			qcom,lmh-temperature-arm = <65000>;
> +			qcom,lmh-temperature-low = <94500>;
> +			qcom,lmh-temperature-high = <95000>;
> +			interrupt-controller;
> +			#interrupt-cells = <1>;
> +		};
> +
> +		lmh_cluster0: lmh@17d78800 {
> +			compatible = "qcom,sdm845-lmh";
> +			reg = <0 0x17d78800 0 0x401>;
> +			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
> +			qcom,lmh-cpu-id = <0x0>;
> +			qcom,lmh-temperature-arm = <65000>;
> +			qcom,lmh-temperature-low = <94500>;
> +			qcom,lmh-temperature-high = <95000>;
> +			interrupt-controller;
> +			#interrupt-cells = <1>;
> +		};
> +
>  		sound: sound {
>  		};
>  
> @@ -4911,6 +4935,8 @@ cpufreq_hw: cpufreq@17d43000 {
>  			reg = <0 0x17d43000 0 0x1400>, <0 0x17d45800 0 0x1400>;
>  			reg-names = "freq-domain0", "freq-domain1";
>  
> +			interrupts-extended = <&lmh_cluster0 0>, <&lmh_cluster1 0>;
> +
>  			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
>  			clock-names = "xo", "alternate";
>  
> -- 
> 2.25.1
> 

  reply	other threads:[~2021-07-10  4:17 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-08 12:06 [Patch v3 0/6] Introduce LMh driver for Qualcomm SoCs Thara Gopinath
2021-07-08 12:06 ` [Patch v3 1/6] firmware: qcom_scm: Introduce SCM calls to access LMh Thara Gopinath
2021-07-10  4:02   ` Bjorn Andersson
2021-07-08 12:06 ` [Patch v3 2/6] thermal: qcom: Add support for LMh driver Thara Gopinath
2021-07-10  4:15   ` Bjorn Andersson
2021-07-13  0:49     ` Thara Gopinath
2021-07-08 12:06 ` [Patch v3 3/6] cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support Thara Gopinath
2021-07-08 20:00   ` kernel test robot
2021-07-09  6:46   ` Viresh Kumar
2021-07-09 15:37     ` Thara Gopinath
2021-07-12  4:35       ` Viresh Kumar
2021-07-12  4:41       ` Viresh Kumar
2021-07-13  1:18         ` Thara Gopinath
2021-07-13  3:18           ` Viresh Kumar
2021-07-14 12:37             ` Thara Gopinath
2021-07-10  4:57   ` Bjorn Andersson
2021-07-13  1:09     ` Thara Gopinath
2021-07-08 12:06 ` [Patch v3 4/6] arm64: boot: dts: qcom: sdm45: Add support for LMh node Thara Gopinath
2021-07-10  4:17   ` Bjorn Andersson [this message]
2021-07-19 16:33   ` Bjorn Andersson
2021-07-19 22:44     ` Thara Gopinath
2021-07-08 12:06 ` [Patch v3 5/6] arm64: boot: dts: qcom: sdm845: Remove cpufreq cooling devices for CPU thermal zones Thara Gopinath
2021-07-10  4:17   ` Bjorn Andersson
2021-07-08 12:06 ` [Patch v3 6/6] dt-bindings: thermal: Add dt binding for QCOM LMh Thara Gopinath
2021-07-10  4:21   ` Bjorn Andersson
2021-07-13  0:54     ` Thara Gopinath
2021-07-12 17:32   ` Rob Herring
2021-07-22  3:14 ` [Patch v3 0/6] Introduce LMh driver for Qualcomm SoCs Steev Klimaszewski
2021-07-27 15:29   ` Thara Gopinath
2021-07-27 17:43     ` Steev Klimaszewski

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