1# SPDX-License-Identifier: GPL-2.0-only 2config TEGRA_MC 3 bool "NVIDIA Tegra Memory Controller support" 4 default y 5 depends on ARCH_TEGRA 6 select INTERCONNECT 7 help 8 This driver supports the Memory Controller (MC) hardware found on 9 NVIDIA Tegra SoCs. 10 11config TEGRA20_EMC 12 tristate "NVIDIA Tegra20 External Memory Controller driver" 13 default y 14 depends on ARCH_TEGRA_2x_SOC 15 help 16 This driver is for the External Memory Controller (EMC) found on 17 Tegra20 chips. The EMC controls the external DRAM on the board. 18 This driver is required to change memory timings / clock rate for 19 external memory. 20 21config TEGRA30_EMC 22 bool "NVIDIA Tegra30 External Memory Controller driver" 23 default y 24 depends on TEGRA_MC && ARCH_TEGRA_3x_SOC 25 help 26 This driver is for the External Memory Controller (EMC) found on 27 Tegra30 chips. The EMC controls the external DRAM on the board. 28 This driver is required to change memory timings / clock rate for 29 external memory. 30 31config TEGRA124_EMC 32 bool "NVIDIA Tegra124 External Memory Controller driver" 33 default y 34 depends on TEGRA_MC && ARCH_TEGRA_124_SOC 35 help 36 This driver is for the External Memory Controller (EMC) found on 37 Tegra124 chips. The EMC controls the external DRAM on the board. 38 This driver is required to change memory timings / clock rate for 39 external memory. 40 41config TEGRA210_EMC_TABLE 42 bool 43 depends on ARCH_TEGRA_210_SOC 44 45config TEGRA210_EMC 46 tristate "NVIDIA Tegra210 External Memory Controller driver" 47 depends on TEGRA_MC && ARCH_TEGRA_210_SOC 48 select TEGRA210_EMC_TABLE 49 help 50 This driver is for the External Memory Controller (EMC) found on 51 Tegra210 chips. The EMC controls the external DRAM on the board. 52 This driver is required to change memory timings / clock rate for 53 external memory. 54