diff options
| author | Jagadeesh Kona <jagadeesh.kona@oss.qualcomm.com> | 2025-12-11 00:32:24 +0530 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-01-03 12:16:36 -0600 |
| commit | deed369e067b8406714154a6678a3e3d9b1c1131 (patch) | |
| tree | 16c6189859c57869d0a236c49119d68709194e1c /arch | |
| parent | 65ce09d2f164a3d91b5802ecd0783aa2c9a208c0 (diff) | |
arm64: dts: qcom: SM8750: Enable CPUFreq support
Add the cpucp mailbox, sram and SCMI nodes required to enable
the CPUFreq support using the SCMI perf protocol on SM8750 SoCs.
Signed-off-by: Jagadeesh Kona <jagadeesh.kona@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251211-sm8750-cpufreq-v1-2-394609e8d624@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sm8750.dtsi | 73 |
1 files changed, 57 insertions, 16 deletions
diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi index c0734f6185e1..260ab4fef6c6 100644 --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi @@ -35,8 +35,8 @@ reg = <0x0 0x0>; enable-method = "psci"; next-level-cache = <&l2_0>; - power-domains = <&cpu_pd0>; - power-domain-names = "psci"; + power-domains = <&cpu_pd0>, <&scmi_dvfs 0>; + power-domain-names = "psci", "perf"; l2_0: l2-cache { compatible = "cache"; @@ -51,8 +51,8 @@ reg = <0x0 0x100>; enable-method = "psci"; next-level-cache = <&l2_0>; - power-domains = <&cpu_pd1>; - power-domain-names = "psci"; + power-domains = <&cpu_pd1>, <&scmi_dvfs 0>; + power-domain-names = "psci", "perf"; }; cpu2: cpu@200 { @@ -61,8 +61,8 @@ reg = <0x0 0x200>; enable-method = "psci"; next-level-cache = <&l2_0>; - power-domains = <&cpu_pd2>; - power-domain-names = "psci"; + power-domains = <&cpu_pd2>, <&scmi_dvfs 0>; + power-domain-names = "psci", "perf"; }; cpu3: cpu@300 { @@ -71,8 +71,8 @@ reg = <0x0 0x300>; enable-method = "psci"; next-level-cache = <&l2_0>; - power-domains = <&cpu_pd3>; - power-domain-names = "psci"; + power-domains = <&cpu_pd3>, <&scmi_dvfs 0>; + power-domain-names = "psci", "perf"; }; cpu4: cpu@400 { @@ -81,8 +81,8 @@ reg = <0x0 0x400>; enable-method = "psci"; next-level-cache = <&l2_0>; - power-domains = <&cpu_pd4>; - power-domain-names = "psci"; + power-domains = <&cpu_pd4>, <&scmi_dvfs 0>; + power-domain-names = "psci", "perf"; }; cpu5: cpu@500 { @@ -91,8 +91,8 @@ reg = <0x0 0x500>; enable-method = "psci"; next-level-cache = <&l2_0>; - power-domains = <&cpu_pd5>; - power-domain-names = "psci"; + power-domains = <&cpu_pd5>, <&scmi_dvfs 0>; + power-domain-names = "psci", "perf"; }; cpu6: cpu@10000 { @@ -101,8 +101,8 @@ reg = <0x0 0x10000>; enable-method = "psci"; next-level-cache = <&l2_1>; - power-domains = <&cpu_pd6>; - power-domain-names = "psci"; + power-domains = <&cpu_pd6>, <&scmi_dvfs 1>; + power-domain-names = "psci", "perf"; l2_1: l2-cache { compatible = "cache"; @@ -117,8 +117,8 @@ reg = <0x0 0x10100>; enable-method = "psci"; next-level-cache = <&l2_1>; - power-domains = <&cpu_pd7>; - power-domain-names = "psci"; + power-domains = <&cpu_pd7>, <&scmi_dvfs 1>; + power-domain-names = "psci", "perf"; }; cpu-map { @@ -206,6 +206,21 @@ interconnects = <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; }; + + scmi { + compatible = "arm,scmi"; + mboxes = <&cpucp_mbox 0>, <&cpucp_mbox 2>; + mbox-names = "tx", "rx"; + shmem = <&cpu_scp_lpri0>, <&cpu_scp_lpri1>; + + #address-cells = <1>; + #size-cells = <0>; + + scmi_dvfs: protocol@13 { + reg = <0x13>; + #power-domain-cells = <1>; + }; + }; }; clk_virt: interconnect-0 { @@ -3743,6 +3758,13 @@ }; }; + cpucp_mbox: mailbox@16430000 { + compatible = "qcom,sm8750-cpucp-mbox", "qcom,x1e80100-cpucp-mbox"; + reg = <0x0 0x16430000 0x0 0x8000>, <0x0 0x17830000 0x0 0x8000>; + interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; + }; + apps_rsc: rsc@16500000 { compatible = "qcom,rpmh-rsc"; reg = <0x0 0x16500000 0x0 0x10000>, @@ -3954,6 +3976,25 @@ }; }; + sram: sram@17b4e000 { + compatible = "mmio-sram"; + reg = <0x0 0x17b4e000 0x0 0x400>; + + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x17b4e000 0x400>; + + cpu_scp_lpri0: scp-sram-section@0 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x200>; + }; + + cpu_scp_lpri1: scp-sram-section@200 { + compatible = "arm,scmi-shmem"; + reg = <0x200 0x200>; + }; + }; + /* cluster0 */ pmu@240b3400 { compatible = "qcom,sm8750-cpu-bwmon", "qcom,sdm845-bwmon"; |