From: Manivannan Sadhasivam Date: Thu, 8 Apr 2021 17:04:45 +0000 (+0530) Subject: ARM: dts: qcom: sdx55: Add CPUFreq support X-Git-Tag: accepted/tizen/unified/20230118.172025~7408^2~4^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ec7bde7b590f8efa5823df3b52b32dd373060ff;p=platform%2Fkernel%2Flinux-rpi.git ARM: dts: qcom: sdx55: Add CPUFreq support Add CPUFreq support to SDX55 platform using the cpufreq-dt driver. There is no dedicated hardware block available on this platform to carry on the CPUFreq duties. Hence, it is accomplished using the CPU clock and regulators tied together by the operating points table. Signed-off-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/20210408170457.91409-4-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson --- diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi index 8112a52..20cb2c9 100644 --- a/arch/arm/boot/dts/qcom-sdx55.dtsi +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi @@ -53,6 +53,35 @@ compatible = "arm,cortex-a7"; reg = <0x0>; enable-method = "psci"; + clocks = <&apcs>; + power-domains = <&rpmhpd SDX55_CX>; + power-domain-names = "rpmhpd"; + operating-points-v2 = <&cpu_opp_table>; + }; + }; + + cpu_opp_table: cpu-opp-table { + compatible = "operating-points-v2"; + opp-shared; + + opp-345600000 { + opp-hz = /bits/ 64 <345600000>; + required-opps = <&rpmhpd_opp_low_svs>; + }; + + opp-576000000 { + opp-hz = /bits/ 64 <576000000>; + required-opps = <&rpmhpd_opp_svs>; + }; + + opp-1094400000 { + opp-hz = /bits/ 64 <1094400000>; + required-opps = <&rpmhpd_opp_nom>; + }; + + opp-1555200000 { + opp-hz = /bits/ 64 <1555200000>; + required-opps = <&rpmhpd_opp_turbo>; }; };