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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9dbd224f9e
On tango platforms, firmware configures the CPU clock, and Linux is then only allowed to use the cpu_clk_divider to change the frequency. Build the OPP table dynamically at init, in order to support whatever firmware throws at us. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
57 lines
1.0 KiB
Plaintext
57 lines
1.0 KiB
Plaintext
#include "tango4-common.dtsi"
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/ {
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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enable-method = "sigma,tango4-smp";
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cpu0: cpu@0 {
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compatible = "arm,cortex-a9";
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next-level-cache = <&l2cc>;
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device_type = "cpu";
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reg = <0>;
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clocks = <&clkgen CPU_CLK>;
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clock-latency = <1>;
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};
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cpu1: cpu@1 {
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compatible = "arm,cortex-a9";
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next-level-cache = <&l2cc>;
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device_type = "cpu";
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reg = <1>;
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};
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};
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pmu {
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compatible = "arm,cortex-a9-pmu";
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interrupt-affinity = <&cpu0>, <&cpu1>;
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interrupts =
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<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
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};
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soc {
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cpu_temp: thermal@920100 {
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#thermal-sensor-cells = <0>;
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compatible = "sigma,smp8758-thermal";
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reg = <0x920100 12>;
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};
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};
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thermal-zones {
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cpu_thermal: cpu-thermal {
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polling-delay = <997>; /* milliseconds */
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polling-delay-passive = <499>; /* milliseconds */
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thermal-sensors = <&cpu_temp>;
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trips {
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cpu_critical {
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temperature = <120000>;
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hysteresis = <2500>;
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type = "critical";
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};
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};
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};
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};
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};
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