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 TEGRA_MC && ARCH_TEGRA_2x_SOC 15 select PM_OPP 16 help 17 This driver is for the External Memory Controller (EMC) found on 18 Tegra20 chips. The EMC controls the external DRAM on the board. 19 This driver is required to change memory timings / clock rate for 20 external memory. 21 22config TEGRA30_EMC 23 bool "NVIDIA Tegra30 External Memory Controller driver" 24 default y 25 depends on TEGRA_MC && ARCH_TEGRA_3x_SOC 26 help 27 This driver is for the External Memory Controller (EMC) found on 28 Tegra30 chips. The EMC controls the external DRAM on the board. 29 This driver is required to change memory timings / clock rate for 30 external memory. 31 32config TEGRA124_EMC 33 bool "NVIDIA Tegra124 External Memory Controller driver" 34 default y 35 depends on TEGRA_MC && ARCH_TEGRA_124_SOC 36 help 37 This driver is for the External Memory Controller (EMC) found on 38 Tegra124 chips. The EMC controls the external DRAM on the board. 39 This driver is required to change memory timings / clock rate for 40 external memory. 41 42config TEGRA210_EMC_TABLE 43 bool 44 depends on ARCH_TEGRA_210_SOC 45 46config TEGRA210_EMC 47 tristate "NVIDIA Tegra210 External Memory Controller driver" 48 depends on TEGRA_MC && ARCH_TEGRA_210_SOC 49 select TEGRA210_EMC_TABLE 50 help 51 This driver is for the External Memory Controller (EMC) found on 52 Tegra210 chips. The EMC controls the external DRAM on the board. 53 This driver is required to change memory timings / clock rate for 54 external memory. 55