13d0407baSopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 23d0407baSopenharmony_ci 33d0407baSopenharmony_ciconfig ARM_ROCKCHIP_BUS_DEVFREQ 43d0407baSopenharmony_ci tristate "ARM ROCKCHIP BUS DEVFREQ Driver" 53d0407baSopenharmony_ci depends on ARCH_ROCKCHIP 63d0407baSopenharmony_ci help 73d0407baSopenharmony_ci This adds the DEVFREQ driver for the ROCKCHIP BUS. 83d0407baSopenharmony_ci 93d0407baSopenharmony_ciconfig ARM_ROCKCHIP_DMC_DEVFREQ 103d0407baSopenharmony_ci tristate "ARM ROCKCHIP DMC DEVFREQ Driver" 113d0407baSopenharmony_ci depends on (ARCH_ROCKCHIP && HAVE_ARM_SMCCC) || \ 123d0407baSopenharmony_ci (COMPILE_TEST && HAVE_ARM_SMCCC) 133d0407baSopenharmony_ci select DEVFREQ_EVENT_ROCKCHIP_DFI 143d0407baSopenharmony_ci select PM_DEVFREQ_EVENT 153d0407baSopenharmony_ci help 163d0407baSopenharmony_ci This adds the DEVFREQ driver for the ROCKCHIP DMC(Dynamic Memory Controller). 173d0407baSopenharmony_ci It sets the frequency for the memory controller and reads the usage counts 183d0407baSopenharmony_ci from hardware. 19