On Thu, Feb 21, 2019 at 03:21:42PM +0800, Joseph Lo wrote: > This patch series adds CPUidle support for Tegra210, which supports > cpu-sleep state for CPU cores. And due to arch timer cannot work > across CPU core power-down and power on reset signal event. We introduce > Tegra210 timer driver to work as clock event device. So it can be the > wake-up source of CPU cores when they idled in the power-down state. > > Fix in V7: > * kconfig fix for 'depends on ARM || ARM64' > * move suspend/resume to clkevt > * refine the usage of the macro of TIMER_OF_DECLARE > * update the 'entry/exit-latency-us' properties in the idle-states node > * add one patch for Shield platform support > > Fix in V6: > * refine the timer defines in the timer driver (PATCH 2) > * add ack tags from Jon Hunter. > > Fixed in V5: > * Just resend this whole series again with timer and Tegra maintainers > included > > Fixed in V4: > * merge timer-tegra210.c into timer-tegra20.c > * add a new patch to select TEGRA_TIMER by default for Tegra210 > > Fixed in V3: > * use timer-of API for Tegra210 timer driver > > Fixed in V2: > * list all the timer IRQs in the binding doc and dts file > * add error clean-up code in timer driver > * add entry-latency-us and exit-latency-us properties for idle-states > DT node > > Joseph Lo (7): > dt-bindings: timer: add Tegra210 timer > clocksource: tegra: add Tegra210 timer support > soc/tegra: default select TEGRA_TIMER for Tegra210 > arm64: tegra: fix timer node for Tegra210 > arm64: tegra: add CPU idle states properties for Tegra210 > arm64: tegra: Enable CPU idle support for Jetson TX1 > arm64: tegra: Enable CPU idle support for Smaug > arm64: tegra: Enable CPU idle support for Shield > > .../bindings/timer/nvidia,tegra210-timer.txt | 36 ++ > .../arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 6 + > .../arm64/boot/dts/nvidia/tegra210-p2894.dtsi | 6 + > arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 7 + > arch/arm64/boot/dts/nvidia/tegra210.dtsi | 33 +- > drivers/clocksource/Kconfig | 3 +- > drivers/clocksource/timer-tegra20.c | 370 ++++++++++++------ > drivers/soc/tegra/Kconfig | 1 + > include/linux/cpuhotplug.h | 1 + > 9 files changed, 348 insertions(+), 115 deletions(-) > create mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt Patches 4-8 applied to for-5.2/arm64/dt, thanks. Thierry
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