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 select DDR 20 help 21 This driver is for the External Memory Controller (EMC) found on 22 Tegra20 chips. The EMC controls the external DRAM on the board. 23 This driver is required to change memory timings / clock rate for 24 external memory. 25 26config TEGRA30_EMC 27 tristate "NVIDIA Tegra30 External Memory Controller driver" 28 default y 29 depends on ARCH_TEGRA_3x_SOC || COMPILE_TEST 30 select PM_OPP 31 help 32 This driver is for the External Memory Controller (EMC) found on 33 Tegra30 chips. The EMC controls the external DRAM on the board. 34 This driver is required to change memory timings / clock rate for 35 external memory. 36 37config TEGRA124_EMC 38 tristate "NVIDIA Tegra124 External Memory Controller driver" 39 default y 40 depends on ARCH_TEGRA_124_SOC || COMPILE_TEST 41 select TEGRA124_CLK_EMC if ARCH_TEGRA 42 select PM_OPP 43 help 44 This driver is for the External Memory Controller (EMC) found on 45 Tegra124 chips. The EMC controls the external DRAM on the board. 46 This driver is required to change memory timings / clock rate for 47 external memory. 48 49config TEGRA210_EMC_TABLE 50 bool 51 depends on ARCH_TEGRA_210_SOC || COMPILE_TEST 52 53config TEGRA210_EMC 54 tristate "NVIDIA Tegra210 External Memory Controller driver" 55 depends on ARCH_TEGRA_210_SOC || COMPILE_TEST 56 select TEGRA210_EMC_TABLE 57 help 58 This driver is for the External Memory Controller (EMC) found on 59 Tegra210 chips. The EMC controls the external DRAM on the board. 60 This driver is required to change memory timings / clock rate for 61 external memory. 62 63endif 64