Yinbo Zhu | b82621a | 2022-11-11 13:42:00 +0800 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0+ |
| 2 | # |
| 3 | # Loongson-2 series SoC drivers |
| 4 | # |
| 5 | |
| 6 | config LOONGSON2_GUTS |
| 7 | tristate "Loongson-2 SoC Global UtiliTieS (GUTS) register block" |
| 8 | depends on LOONGARCH || COMPILE_TEST |
| 9 | select SOC_BUS |
| 10 | help |
| 11 | The global utilities block controls PCIE device enabling, alternate |
| 12 | function selection for multiplexed signals, consistency of HDA, USB |
| 13 | and PCIE, configuration of memory controller, rtc controller, lio |
| 14 | controller, and clock control. This patch adds a driver to manage |
| 15 | and access global utilities block for LoongArch architecture Loongson-2 |
| 16 | SoCs. Initially only reading SVR and registering soc device are |
| 17 | supported. Other guts accesses, such as reading firmware configuration |
| 18 | by default, should eventually be added into this driver as well. |