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| author | Tengfei Fan <quic_tengfan@quicinc.com> | 2024-04-24 13:15:02 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2024-05-27 03:10:34 +0300 |
| commit | 15476ccd3dc6cea04048d159115c86a3d5042501 (patch) | |
| tree | 1d8d10f642949167127a40175b034e0b519508e4 | |
| parent | 2b96407b8f10f1d71b58cb35704eb91b8ea78db1 (diff) | |
| download | linux-15476ccd3dc6cea04048d159115c86a3d5042501.tar.xz | |
arm64: dts: qcom: sm4450: Add cpufreq support
Add a description of a SM4450 cpufreq-epss controller,add references to
it from CPU nodes and make EPSS a supplyer of clocks for the CPUs.
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240424101503.635364-3-quic_tengfan@quicinc.com
Link: https://lore.kernel.org/r/20240424101503.635364-4-quic_tengfan@quicinc.com
[bjorn: Squashed the two changes, and updated commit message]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sm4450.dtsi | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi index 603c962661cc..8d75c4f9731c 100644 --- a/arch/arm64/boot/dts/qcom/sm4450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi @@ -29,6 +29,14 @@ clock-frequency = <32000>; #clock-cells = <0>; }; + + bi_tcxo_div2: bi-tcxo-div2-clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&rpmhcc RPMH_CXO_CLK>; + clock-mult = <1>; + clock-div = <2>; + }; }; cpus { @@ -39,10 +47,12 @@ device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0 0x0>; + clocks = <&cpufreq_hw 0>; enable-method = "psci"; next-level-cache = <&L2_0>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; L2_0: l2-cache { @@ -63,10 +73,12 @@ device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0 0x100>; + clocks = <&cpufreq_hw 0>; enable-method = "psci"; next-level-cache = <&L2_100>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; L2_100: l2-cache { @@ -81,10 +93,12 @@ device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0 0x200>; + clocks = <&cpufreq_hw 0>; enable-method = "psci"; next-level-cache = <&L2_200>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; L2_200: l2-cache { @@ -99,10 +113,12 @@ device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0 0x300>; + clocks = <&cpufreq_hw 0>; enable-method = "psci"; next-level-cache = <&L2_300>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; L2_300: l2-cache { @@ -117,10 +133,12 @@ device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0 0x400>; + clocks = <&cpufreq_hw 0>; enable-method = "psci"; next-level-cache = <&L2_400>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; L2_400: l2-cache { @@ -135,10 +153,12 @@ device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0 0x500>; + clocks = <&cpufreq_hw 0>; enable-method = "psci"; next-level-cache = <&L2_500>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; L2_500: l2-cache { @@ -153,10 +173,12 @@ device_type = "cpu"; compatible = "arm,cortex-a78"; reg = <0x0 0x600>; + clocks = <&cpufreq_hw 1>; enable-method = "psci"; next-level-cache = <&L2_600>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 1>; #cooling-cells = <2>; L2_600: l2-cache { @@ -171,10 +193,12 @@ device_type = "cpu"; compatible = "arm,cortex-a78"; reg = <0x0 0x700>; + clocks = <&cpufreq_hw 1>; enable-method = "psci"; next-level-cache = <&L2_700>; power-domains = <&CPU_PD0>; power-domain-names = "psci"; + qcom,freq-domain = <&cpufreq_hw 1>; #cooling-cells = <2>; L2_700: l2-cache { @@ -526,6 +550,19 @@ }; }; + cpufreq_hw: cpufreq@17d91000 { + compatible = "qcom,sm4450-cpufreq-epss", "qcom,cpufreq-epss"; + reg = <0 0x17d91000 0 0x1000>, + <0 0x17d92000 0 0x1000>; + reg-names = "freq-domain0", "freq-domain1"; + clocks = <&bi_tcxo_div2>, <&gcc GCC_GPLL0>; + clock-names = "xo", "alternate"; + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "dcvsh-irq-0", "dcvsh-irq-1"; + #freq-domain-cells = <1>; + #clock-cells = <1>; + }; }; timer { |