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 select DDR 32 help 33 This driver is for the External Memory Controller (EMC) found on 34 Tegra30 chips. The EMC controls the external DRAM on the board. 35 This driver is required to change memory timings / clock rate for 36 external memory. 37 38config TEGRA124_EMC 39 tristate "NVIDIA Tegra124 External Memory Controller driver" 40 default y 41 depends on ARCH_TEGRA_124_SOC || COMPILE_TEST 42 select TEGRA124_CLK_EMC if ARCH_TEGRA 43 select PM_OPP 44 help 45 This driver is for the External Memory Controller (EMC) found on 46 Tegra124 chips. The EMC controls the external DRAM on the board. 47 This driver is required to change memory timings / clock rate for 48 external memory. 49 50config TEGRA210_EMC_TABLE 51 bool 52 depends on ARCH_TEGRA_210_SOC || COMPILE_TEST 53 54config TEGRA210_EMC 55 tristate "NVIDIA Tegra210 External Memory Controller driver" 56 depends on ARCH_TEGRA_210_SOC || COMPILE_TEST 57 select TEGRA210_EMC_TABLE 58 help 59 This driver is for the External Memory Controller (EMC) found on 60 Tegra210 chips. The EMC controls the external DRAM on the board. 61 This driver is required to change memory timings / clock rate for 62 external memory. 63 64endif 65