mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-14 14:34:28 +08:00
c200774a6d
This driver currently deals with GPU-SRAM regulator coupling, ensuring that the SRAM voltage is always between a specific range of distance to the GPU voltage, depending on the SoC, necessary in order to achieve system stability across the full range of supported GPU frequencies. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com> Link: https://lore.kernel.org/r/20221006115816.66853-1-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
94 lines
2.7 KiB
Plaintext
94 lines
2.7 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
|
|
#
|
|
# MediaTek SoC drivers
|
|
#
|
|
menu "MediaTek SoC drivers"
|
|
depends on ARCH_MEDIATEK || COMPILE_TEST
|
|
|
|
config MTK_CMDQ
|
|
tristate "MediaTek CMDQ Support"
|
|
depends on ARCH_MEDIATEK || COMPILE_TEST
|
|
select MAILBOX
|
|
select MTK_CMDQ_MBOX
|
|
select MTK_INFRACFG
|
|
help
|
|
Say yes here to add support for the MediaTek Command Queue (CMDQ)
|
|
driver. The CMDQ is used to help read/write registers with critical
|
|
time limitation, such as updating display configuration during the
|
|
vblank.
|
|
|
|
config MTK_DEVAPC
|
|
tristate "Mediatek Device APC Support"
|
|
help
|
|
Say yes here to enable support for Mediatek Device APC driver.
|
|
This driver is mainly used to handle the violation which catches
|
|
unexpected transaction.
|
|
The violation information is logged for further analysis or
|
|
countermeasures.
|
|
|
|
config MTK_INFRACFG
|
|
bool "MediaTek INFRACFG Support"
|
|
select REGMAP
|
|
help
|
|
Say yes here to add support for the MediaTek INFRACFG controller. The
|
|
INFRACFG controller contains various infrastructure registers not
|
|
directly associated to any device.
|
|
|
|
config MTK_PMIC_WRAP
|
|
tristate "MediaTek PMIC Wrapper Support"
|
|
depends on RESET_CONTROLLER
|
|
depends on OF
|
|
select REGMAP
|
|
help
|
|
Say yes here to add support for MediaTek PMIC Wrapper found
|
|
on different MediaTek SoCs. The PMIC wrapper is a proprietary
|
|
hardware to connect the PMIC.
|
|
|
|
config MTK_REGULATOR_COUPLER
|
|
bool "MediaTek SoC Regulator Coupler" if COMPILE_TEST
|
|
default ARCH_MEDIATEK
|
|
depends on REGULATOR
|
|
|
|
config MTK_SCPSYS
|
|
bool "MediaTek SCPSYS Support"
|
|
default ARCH_MEDIATEK
|
|
depends on OF
|
|
select REGMAP
|
|
select MTK_INFRACFG
|
|
select PM_GENERIC_DOMAINS if PM
|
|
help
|
|
Say yes here to add support for the MediaTek SCPSYS power domain
|
|
driver.
|
|
|
|
config MTK_SCPSYS_PM_DOMAINS
|
|
bool "MediaTek SCPSYS generic power domain"
|
|
default ARCH_MEDIATEK
|
|
depends on PM
|
|
select PM_GENERIC_DOMAINS
|
|
select REGMAP
|
|
help
|
|
Say y here to enable power domain support.
|
|
In order to meet high performance and low power requirements, the System
|
|
Control Processor System (SCPSYS) has several power management related
|
|
tasks in the system.
|
|
|
|
config MTK_MMSYS
|
|
tristate "MediaTek MMSYS Support"
|
|
default ARCH_MEDIATEK
|
|
depends on HAS_IOMEM
|
|
help
|
|
Say yes here to add support for the MediaTek Multimedia
|
|
Subsystem (MMSYS).
|
|
|
|
config MTK_SVS
|
|
tristate "MediaTek Smart Voltage Scaling(SVS)"
|
|
depends on NVMEM_MTK_EFUSE && NVMEM
|
|
help
|
|
The Smart Voltage Scaling(SVS) engine is a piece of hardware
|
|
which has several controllers(banks) for calculating suitable
|
|
voltage to different power domains(CPU/GPU/CCI) according to
|
|
chip process corner, temperatures and other factors. Then DVFS
|
|
driver could apply SVS bank voltage to PMIC/Buck.
|
|
|
|
endmenu
|