[PATCH v2 0/3] clk: tegra: add DFLL support for Tegra 4

Svyatoslav Ryhel posted 3 patches 2 months, 3 weeks ago
arch/arm/boot/dts/nvidia/tegra114.dtsi     |  34 +++++++
drivers/clk/tegra/Kconfig                  |   2 +-
drivers/clk/tegra/clk-tegra114.c           |  30 +++++-
drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 104 +++++++++++++++++++++
drivers/clk/tegra/clk.h                    |   2 -
drivers/cpufreq/cpufreq-dt-platdev.c       |   1 +
drivers/cpufreq/tegra124-cpufreq.c         |   5 +-
include/dt-bindings/reset/tegra114-car.h   |  13 +++
8 files changed, 182 insertions(+), 9 deletions(-)
create mode 100644 include/dt-bindings/reset/tegra114-car.h
[PATCH v2 0/3] clk: tegra: add DFLL support for Tegra 4
Posted by Svyatoslav Ryhel 2 months, 3 weeks ago
DFLL is a dedicated clock source for the Fast CPU. The DFLL is based on
a ring oscillator and translates voltage changes into frequency
compensation changes needed to prevent the CPU from failing and is
essential for correct CPU frequency scaling.

---
Changes in v2:
- dropped 'drivers:' from commit title
- aligned naming to Tegra114
---

Svyatoslav Ryhel (3):
  drivers: cpufreq: add Tegra114 support
  clk: tegra: add DFLL support for Tegra114
  ARM: tegra: Add DFLL clock support on Tegra114

 arch/arm/boot/dts/nvidia/tegra114.dtsi     |  34 +++++++
 drivers/clk/tegra/Kconfig                  |   2 +-
 drivers/clk/tegra/clk-tegra114.c           |  30 +++++-
 drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 104 +++++++++++++++++++++
 drivers/clk/tegra/clk.h                    |   2 -
 drivers/cpufreq/cpufreq-dt-platdev.c       |   1 +
 drivers/cpufreq/tegra124-cpufreq.c         |   5 +-
 include/dt-bindings/reset/tegra114-car.h   |  13 +++
 8 files changed, 182 insertions(+), 9 deletions(-)
 create mode 100644 include/dt-bindings/reset/tegra114-car.h

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2.48.1