380def2d4c
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>
59 lines
1.9 KiB
Plaintext
59 lines
1.9 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config TEGRA_MC
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bool "NVIDIA Tegra Memory Controller support"
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default y
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depends on ARCH_TEGRA
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select INTERCONNECT
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help
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This driver supports the Memory Controller (MC) hardware found on
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NVIDIA Tegra SoCs.
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config TEGRA20_EMC
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tristate "NVIDIA Tegra20 External Memory Controller driver"
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default y
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depends on TEGRA_MC && ARCH_TEGRA_2x_SOC
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select DEVFREQ_GOV_SIMPLE_ONDEMAND
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select PM_DEVFREQ
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help
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This driver is for the External Memory Controller (EMC) found on
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Tegra20 chips. The EMC controls the external DRAM on the board.
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This driver is required to change memory timings / clock rate for
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external memory.
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config TEGRA30_EMC
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tristate "NVIDIA Tegra30 External Memory Controller driver"
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default y
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depends on TEGRA_MC && ARCH_TEGRA_3x_SOC
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select PM_OPP
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help
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This driver is for the External Memory Controller (EMC) found on
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Tegra30 chips. The EMC controls the external DRAM on the board.
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This driver is required to change memory timings / clock rate for
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external memory.
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config TEGRA124_EMC
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tristate "NVIDIA Tegra124 External Memory Controller driver"
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default y
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depends on TEGRA_MC && ARCH_TEGRA_124_SOC
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select TEGRA124_CLK_EMC
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select PM_OPP
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help
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This driver is for the External Memory Controller (EMC) found on
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Tegra124 chips. The EMC controls the external DRAM on the board.
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This driver is required to change memory timings / clock rate for
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external memory.
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config TEGRA210_EMC_TABLE
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bool
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depends on ARCH_TEGRA_210_SOC
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config TEGRA210_EMC
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tristate "NVIDIA Tegra210 External Memory Controller driver"
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depends on TEGRA_MC && ARCH_TEGRA_210_SOC
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select TEGRA210_EMC_TABLE
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help
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This driver is for the External Memory Controller (EMC) found on
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Tegra210 chips. The EMC controls the external DRAM on the board.
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This driver is required to change memory timings / clock rate for
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external memory.
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