[PATCH v3] arm64: dts: qcom: sm8750: Add BWMONs

[PATCH v3] arm64: dts: qcom: sm8750: Add BWMONs

[Melody Olvera]

From: Shivnandan Kumar <quic_kshivnan@quicinc.com>

Add the CPU BWMONs for SM8750 SoCs.

Signed-off-by: Shivnandan Kumar <quic_kshivnan@quicinc.com>
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
---
Changes in v3:
- Change cluster 1 destination interconnect to tag active only from tag
  always
- Link to v2: https://lore.kernel.org/r/20250304-sm8750_bwmon_master-v2-1-ead16909397d@quicinc.com

Changes in v2:
- Change destination interconnect to tag active only from tag always
- Link to v1: https://lore.kernel.org/r/20250113-sm8750_bwmon_master-v1-0-f082da3a3308@quicinc.com
---
 arch/arm64/boot/dts/qcom/sm8750.dtsi | 74 ++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index 3bbd7d18598ee0a3a0d5130c03a3166e1fc14d82..68ca2ad44975ee0b12e5e939d678b407080e2dc5 100644
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -2802,6 +2802,80 @@ rpmhpd_opp_super_turbo_no_cpr: opp-480 {
 			};
 		};
 
+		/* cluster0 */
+		pmu@240b3400 {
+			compatible = "qcom,sm8750-cpu-bwmon", "qcom,sdm845-bwmon";
+			reg = <0x0 0x240b3400 0x0 0x600>;
+
+			interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
+
+			interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;
+
+			operating-points-v2 = <&cpu_bwmon_opp_table>;
+
+			cpu_bwmon_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-0 {
+					opp-peak-kBps = <800000>;
+				};
+
+				opp-1 {
+					opp-peak-kBps = <2188000>;
+				};
+
+				opp-2 {
+					opp-peak-kBps = <5414400>;
+				};
+
+				opp-3 {
+					opp-peak-kBps = <6220800>;
+				};
+
+				opp-4 {
+					opp-peak-kBps = <6835200>;
+				};
+
+				opp-5 {
+					opp-peak-kBps = <8371200>;
+				};
+
+				opp-6 {
+					opp-peak-kBps = <10944000>;
+				};
+
+				opp-7 {
+					opp-peak-kBps = <12748800>;
+				};
+
+				opp-8 {
+					opp-peak-kBps = <14745600>;
+				};
+
+				opp-9 {
+					opp-peak-kBps = <16896000>;
+				};
+
+				opp-10 {
+					opp-peak-kBps = <19046400>;
+				};
+			};
+		};
+
+		/* cluster1 */
+		pmu@240b7400 {
+			compatible = "qcom,sm8750-cpu-bwmon", "qcom,sdm845-bwmon";
+			reg = <0x0 0x240b7400 0x0 0x600>;
+
+			interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
+
+			interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;
+
+			operating-points-v2 = <&cpu_bwmon_opp_table>;
+		};
+
 		timer@16800000 {
 			compatible = "arm,armv7-timer-mem";
 			reg = <0x0 0x16800000 0x0 0x1000>;

---
base-commit: 20d5c66e1810e6e8805ec0d01373afb2dba9f51a
change-id: 20250107-sm8750_bwmon_master-cd4b8e1080c9

Best regards,
-- 
Melody Olvera <quic_molvera@quicinc.com>

Re: [PATCH v3] arm64: dts: qcom: sm8750: Add BWMONs

[Konrad Dybcio]

On 5.03.2025 1:33 AM, Melody Olvera wrote:
> From: Shivnandan Kumar <quic_kshivnan@quicinc.com>
> 
> Add the CPU BWMONs for SM8750 SoCs.
> 
> Signed-off-by: Shivnandan Kumar <quic_kshivnan@quicinc.com>
> Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
> ---
> Changes in v3:
> - Change cluster 1 destination interconnect to tag active only from tag
>   always
> - Link to v2: https://lore.kernel.org/r/20250304-sm8750_bwmon_master-v2-1-ead16909397d@quicinc.com
> 
> Changes in v2:
> - Change destination interconnect to tag active only from tag always
> - Link to v1: https://lore.kernel.org/r/20250113-sm8750_bwmon_master-v1-0-f082da3a3308@quicinc.com
> ---

This looks good, but I found that this platform may require some more
changes for bwmon, we're investigating that

Konrad

Re: [PATCH v3] arm64: dts: qcom: sm8750: Add BWMONs

[Bjorn Andersson]

On Sat, Mar 08, 2025 at 07:15:06PM +0100, Konrad Dybcio wrote:
> On 5.03.2025 1:33 AM, Melody Olvera wrote:
> > From: Shivnandan Kumar <quic_kshivnan@quicinc.com>
> > 
> > Add the CPU BWMONs for SM8750 SoCs.
> > 
> > Signed-off-by: Shivnandan Kumar <quic_kshivnan@quicinc.com>
> > Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
> > ---
> > Changes in v3:
> > - Change cluster 1 destination interconnect to tag active only from tag
> >   always
> > - Link to v2: https://lore.kernel.org/r/20250304-sm8750_bwmon_master-v2-1-ead16909397d@quicinc.com
> > 
> > Changes in v2:
> > - Change destination interconnect to tag active only from tag always
> > - Link to v1: https://lore.kernel.org/r/20250113-sm8750_bwmon_master-v1-0-f082da3a3308@quicinc.com
> > ---
> 
> This looks good, but I found that this platform may require some more
> changes for bwmon, we're investigating that
> 

Did we reach a conclusion on this?

Regards,
Bjorn

> Konrad

Re: [PATCH v3] arm64: dts: qcom: sm8750: Add BWMONs

[Konrad Dybcio]

On 5/18/25 12:37 AM, Bjorn Andersson wrote:
> On Sat, Mar 08, 2025 at 07:15:06PM +0100, Konrad Dybcio wrote:
>> On 5.03.2025 1:33 AM, Melody Olvera wrote:
>>> From: Shivnandan Kumar <quic_kshivnan@quicinc.com>
>>>
>>> Add the CPU BWMONs for SM8750 SoCs.
>>>
>>> Signed-off-by: Shivnandan Kumar <quic_kshivnan@quicinc.com>
>>> Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
>>> ---
>>> Changes in v3:
>>> - Change cluster 1 destination interconnect to tag active only from tag
>>>   always
>>> - Link to v2: https://lore.kernel.org/r/20250304-sm8750_bwmon_master-v2-1-ead16909397d@quicinc.com
>>>
>>> Changes in v2:
>>> - Change destination interconnect to tag active only from tag always
>>> - Link to v1: https://lore.kernel.org/r/20250113-sm8750_bwmon_master-v1-0-f082da3a3308@quicinc.com
>>> ---
>>
>> This looks good, but I found that this platform may require some more
>> changes for bwmon, we're investigating that
>>
> 
> Did we reach a conclusion on this?

Yes.

Melody, LMK whether you want to proceed or want me to resubmit with
the necessary change

Konrad