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 || (COMPILE_TEST && COMMON_CLK) 6 select INTERCONNECT 7 help 8 This driver supports the Memory Controller (MC) hardware found on 9 NVIDIA Tegra SoCs. 10 11if TEGRA_MC 12 13config TEGRA20_EMC 14 tristate "NVIDIA Tegra20 External Memory Controller driver" 15 default y 16 depends on ARCH_TEGRA_2x_SOC || COMPILE_TEST 17 select DEVFREQ_GOV_SIMPLE_ONDEMAND 18 select PM_DEVFREQ 19 help 20 This driver is for the External Memory Controller (EMC) found on 21 Tegra20 chips. The EMC controls the external DRAM on the board. 22 This driver is required to change memory timings / clock rate for 23 external memory. 24 25config TEGRA30_EMC 26 tristate "NVIDIA Tegra30 External Memory Controller driver" 27 default y 28 depends on ARCH_TEGRA_3x_SOC || COMPILE_TEST 29 select PM_OPP 30 help 31 This driver is for the External Memory Controller (EMC) found on 32 Tegra30 chips. The EMC controls the external DRAM on the board. 33 This driver is required to change memory timings / clock rate for 34 external memory. 35 36config TEGRA124_EMC 37 tristate "NVIDIA Tegra124 External Memory Controller driver" 38 default y 39 depends on ARCH_TEGRA_124_SOC || COMPILE_TEST 40 select TEGRA124_CLK_EMC if ARCH_TEGRA 41 select PM_OPP 42 help 43 This driver is for the External Memory Controller (EMC) found on 44 Tegra124 chips. The EMC controls the external DRAM on the board. 45 This driver is required to change memory timings / clock rate for 46 external memory. 47 48config TEGRA210_EMC_TABLE 49 bool 50 depends on ARCH_TEGRA_210_SOC || COMPILE_TEST 51 52config TEGRA210_EMC 53 tristate "NVIDIA Tegra210 External Memory Controller driver" 54 depends on ARCH_TEGRA_210_SOC || COMPILE_TEST 55 select TEGRA210_EMC_TABLE 56 help 57 This driver is for the External Memory Controller (EMC) found on 58 Tegra210 chips. The EMC controls the external DRAM on the board. 59 This driver is required to change memory timings / clock rate for 60 external memory. 61 62endif 63