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1# SPDX-License-Identifier: GPL-2.0+2#3# Loongson-2 series SoC drivers4#5 6config LOONGSON2_GUTS7 tristate "Loongson-2 SoC Global UtiliTieS (GUTS) register block"8 depends on LOONGARCH || COMPILE_TEST9 select SOC_BUS10 help11 The global utilities block controls PCIE device enabling, alternate12 function selection for multiplexed signals, consistency of HDA, USB13 and PCIE, configuration of memory controller, rtc controller, lio14 controller, and clock control. This patch adds a driver to manage15 and access global utilities block for LoongArch architecture Loongson-216 SoCs. Initially only reading SVR and registering soc device are17 supported. Other guts accesses, such as reading firmware configuration18 by default, should eventually be added into this driver as well.19 20config LOONGSON2_PM21 bool "Loongson-2 SoC Power Management Controller Driver"22 depends on LOONGARCH && OF23 depends on INPUT=y24 help25 The Loongson-2's power management controller was ACPI, supports ACPI26 S2Idle (Suspend To Idle), ACPI S3 (Suspend To RAM), ACPI S4 (Suspend To27 Disk), ACPI S5 (Soft Shutdown) and supports multiple wake-up methods28 (USB, GMAC, PWRBTN, etc.). This driver was to add power management29 controller support that base on dts for Loongson-2 series SoCs.30