[TEGRA194_CPUFREQ PATCH v4 0/4] Add cpufreq driver for Tegra194

Sumit Gupta
2020-06-26T15:44:07Z

The patch series adds cpufreq driver for Tegra194 SOC.
Incorporated the feedback on previous version patchset.
Please consider this patch series for merging in 5.9.

v3[3] -> v4
- Open code LOOP_FOR_EACH_CPU_OF_CLUSTER macro[Viresh]
- Delete unused funciton map_freq_to_ndiv[Viresh, kernel test bot]
- Remove flush_workqueue from free_resources[Viresh]

v2[2] -> v3
- Set same policy for all cpus in a cluster[Viresh].
- Add compatible string for CPU Complex under cpus node[Thierry].
- Add reference to bpmp node under cpus node[Thierry].
- Bind cpufreq driver to CPU Complex compatible string[Thierry].
- Remove patch to get bpmp data as now using cpus node to get that[Thierry].

v1[1] -> v2:
- Remove cpufreq_lock mutex from tegra194_cpufreq_set_target [Viresh].
- Remove CPUFREQ_ASYNC_NOTIFICATION flag [Viresh].
- Remove redundant _begin|end() call from tegra194_cpufreq_set_target.
- Rename opp_table to freq_table [Viresh].

Sumit Gupta (4):
dt-bindings: arm: Add t194 ccplex compatible and bpmp property
arm64: tegra: Add t194 ccplex compatible and bpmp property
cpufreq: Add Tegra194 cpufreq driver
arm64: defconfig: Enable CONFIG_ARM_TEGRA194_CPUFREQ

Documentation/devicetree/bindings/arm/cpus.yaml | 9 +
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 2 +
arch/arm64/configs/defconfig | 1 +
drivers/cpufreq/Kconfig.arm | 6 +
drivers/cpufreq/Makefile | 1 +
drivers/cpufreq/tegra194-cpufreq.c | 396 ++++++++++++++++++++++++
6 files changed, 415 insertions(+)
create mode 100644 drivers/cpufreq/tegra194-cpufreq.c

[1] https://marc.info/?t=157539452300001&r=1&w=2
[2] https://marc.info/?l=linux-tegra&m=158602857106213&w=2
[3] https://marc.info/?l=linux-pm&m=159283376010084&w=2
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2.7.4