CONFIG_ARM_EXYNOS_BUS_DEVFREQ: ARM Exynos Generic Memory Bus DEVFREQ Driver

General informations

The Linux kernel configuration item CONFIG_ARM_EXYNOS_BUS_DEVFREQ has multiple definitions:

ARM Exynos Generic Memory Bus DEVFREQ Driver found in drivers/devfreq/Kconfig

The configuration item CONFIG_ARM_EXYNOS_BUS_DEVFREQ:

• prompt: ARM Exynos Generic Memory Bus DEVFREQ Driver
• type: tristate
• depends on: CONFIG_ARCH_EXYNOS || CONFIG_COMPILE_TEST
• defined in drivers/devfreq/Kconfig
• found in Linux kernels: 5.6–5.19, 6.0–6.12, 6.13-rc+HEAD
• modules built: exynos-bus

Help text

This adds the common DEVFREQ driver for Exynos Memory bus. Exynos Memory bus has one more group of memory bus (e.g, MIF and INT block). Each memory bus group could contain many memoby bus block. It reads PPMU counters of memory controllers by using DEVFREQ-event device and adjusts the operating frequencies and voltages with OPP support. This does not yet operate with optimal voltages.

ARM EXYNOS Generic Memory Bus DEVFREQ Driver found in drivers/devfreq/Kconfig

The configuration item CONFIG_ARM_EXYNOS_BUS_DEVFREQ:

• prompt: ARM EXYNOS Generic Memory Bus DEVFREQ Driver
• type: tristate
• depends on: CONFIG_ARCH_EXYNOS || CONFIG_COMPILE_TEST
• defined in drivers/devfreq/Kconfig
• found in Linux kernels: 4.8–4.20, 5.0–5.5
• modules built: exynos-bus

Help text

This adds the common DEVFREQ driver for Exynos Memory bus. Exynos Memory bus has one more group of memory bus (e.g, MIF and INT block). Each memory bus group could contain many memoby bus block. It reads PPMU counters of memory controllers by using DEVFREQ-event device and adjusts the operating frequencies and voltages with OPP support. This does not yet operate with optimal voltages.

ARM EXYNOS Generic Memory Bus DEVFREQ Driver found in drivers/devfreq/Kconfig

The configuration item CONFIG_ARM_EXYNOS_BUS_DEVFREQ:

• prompt: ARM EXYNOS Generic Memory Bus DEVFREQ Driver
• type: bool
• depends on: CONFIG_ARCH_EXYNOS
• defined in drivers/devfreq/Kconfig
• found in Linux kernels: 4.7
• modules built: exynos-bus

Help text

This adds the common DEVFREQ driver for Exynos Memory bus. Exynos Memory bus has one more group of memory bus (e.g, MIF and INT block). Each memory bus group could contain many memoby bus block. It reads PPMU counters of memory controllers by using DEVFREQ-event device and adjusts the operating frequencies and voltages with OPP support. This does not yet operate with optimal voltages.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module exynos-bus CONFIG_ARM_EXYNOS_BUS_DEVFREQ : drivers/devfreq/Kconfig : "ARM Exynos Generic Memory Bus DEVFREQ Driver" # in 4.8–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• lkddb of "" "" "samsung,exynos-bus" : CONFIG_ARM_EXYNOS_BUS_DEVFREQ CONFIG_PM_DEVFREQ : drivers/devfreq/exynos-bus.c # in 4.7–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• lkddb platform "exynos-bus" : CONFIG_ARM_EXYNOS_BUS_DEVFREQ CONFIG_PM_DEVFREQ : drivers/devfreq/exynos-bus.c # in 4.7–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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