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linux/drivers/memory/tegra/Kconfig
Dmitry Osipenko 380def2d4c memory: tegra124: Support interconnect framework
Now Internal and External memory controllers are memory interconnection
providers. This allows us to use interconnect API for tuning of memory
configuration. EMC driver now supports OPPs and DVFS.

Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Acked-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20201228154920.18846-4-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2021-01-05 18:03:22 +01:00

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# SPDX-License-Identifier: GPL-2.0-only
config TEGRA_MC
bool "NVIDIA Tegra Memory Controller support"
default y
depends on ARCH_TEGRA
select INTERCONNECT
help
This driver supports the Memory Controller (MC) hardware found on
NVIDIA Tegra SoCs.
config TEGRA20_EMC
tristate "NVIDIA Tegra20 External Memory Controller driver"
default y
depends on TEGRA_MC && ARCH_TEGRA_2x_SOC
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select PM_DEVFREQ
help
This driver is for the External Memory Controller (EMC) found on
Tegra20 chips. The EMC controls the external DRAM on the board.
This driver is required to change memory timings / clock rate for
external memory.
config TEGRA30_EMC
tristate "NVIDIA Tegra30 External Memory Controller driver"
default y
depends on TEGRA_MC && ARCH_TEGRA_3x_SOC
select PM_OPP
help
This driver is for the External Memory Controller (EMC) found on
Tegra30 chips. The EMC controls the external DRAM on the board.
This driver is required to change memory timings / clock rate for
external memory.
config TEGRA124_EMC
tristate "NVIDIA Tegra124 External Memory Controller driver"
default y
depends on TEGRA_MC && ARCH_TEGRA_124_SOC
select TEGRA124_CLK_EMC
select PM_OPP
help
This driver is for the External Memory Controller (EMC) found on
Tegra124 chips. The EMC controls the external DRAM on the board.
This driver is required to change memory timings / clock rate for
external memory.
config TEGRA210_EMC_TABLE
bool
depends on ARCH_TEGRA_210_SOC
config TEGRA210_EMC
tristate "NVIDIA Tegra210 External Memory Controller driver"
depends on TEGRA_MC && ARCH_TEGRA_210_SOC
select TEGRA210_EMC_TABLE
help
This driver is for the External Memory Controller (EMC) found on
Tegra210 chips. The EMC controls the external DRAM on the board.
This driver is required to change memory timings / clock rate for
external memory.