linux-kernel - [TEGRA194_CPUFREQ Patch v3 0/4] Add cpufreq driver for Tegra194

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Date:   Mon, 22 Jun 2020 03:04:30 +0530
From:   Sumit Gupta <sumitg@...dia.com>
To:     <rjw@...ysocki.net>, <viresh.kumar@...aro.org>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <thierry.reding@...il.com>, <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <jonathanh@...dia.com>,
        <talho@...dia.com>, <linux-pm@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <bbasu@...dia.com>, <sumitg@...dia.com>, <mperttunen@...dia.com>
Subject: [TEGRA194_CPUFREQ Patch v3 0/4] Add cpufreq driver for Tegra194 

The patch series adds cpufreq driver for Tegra194 SOC.

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              | 403 ++++++++++++++++++++++++
 6 files changed, 422 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 
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