mirror of
https://github.com/torvalds/linux.git
synced 2024-11-23 12:42:02 +00:00
cee544a40e
Add a simple driver to control GPIO-based resets using the reset controller API for the cases when the GPIOs are shared and reset should be coordinated. The driver is expected to be used by reset core framework for ad-hoc reset controllers. Cc: Bartosz Golaszewski <brgl@bgdev.pl> Cc: Chris Packham <chris.packham@alliedtelesis.co.nz> Cc: Sean Anderson <sean.anderson@seco.com> Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240129115216.96479-4-krzysztof.kozlowski@linaro.org Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
337 lines
10 KiB
Plaintext
337 lines
10 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
|
|
config ARCH_HAS_RESET_CONTROLLER
|
|
bool
|
|
|
|
menuconfig RESET_CONTROLLER
|
|
bool "Reset Controller Support"
|
|
default y if ARCH_HAS_RESET_CONTROLLER
|
|
help
|
|
Generic Reset Controller support.
|
|
|
|
This framework is designed to abstract reset handling of devices
|
|
via GPIOs or SoC-internal reset controller modules.
|
|
|
|
If unsure, say no.
|
|
|
|
if RESET_CONTROLLER
|
|
|
|
config RESET_A10SR
|
|
tristate "Altera Arria10 System Resource Reset"
|
|
depends on MFD_ALTERA_A10SR || COMPILE_TEST
|
|
help
|
|
This option enables support for the external reset functions for
|
|
peripheral PHYs on the Altera Arria10 System Resource Chip.
|
|
|
|
config RESET_ATH79
|
|
bool "AR71xx Reset Driver" if COMPILE_TEST
|
|
default ATH79
|
|
help
|
|
This enables the ATH79 reset controller driver that supports the
|
|
AR71xx SoC reset controller.
|
|
|
|
config RESET_AXS10X
|
|
bool "AXS10x Reset Driver" if COMPILE_TEST
|
|
default ARC_PLAT_AXS10X
|
|
help
|
|
This enables the reset controller driver for AXS10x.
|
|
|
|
config RESET_BCM6345
|
|
bool "BCM6345 Reset Controller"
|
|
depends on BMIPS_GENERIC || COMPILE_TEST
|
|
default BMIPS_GENERIC
|
|
help
|
|
This enables the reset controller driver for BCM6345 SoCs.
|
|
|
|
config RESET_BERLIN
|
|
tristate "Berlin Reset Driver"
|
|
depends on ARCH_BERLIN || COMPILE_TEST
|
|
default m if ARCH_BERLIN
|
|
help
|
|
This enables the reset controller driver for Marvell Berlin SoCs.
|
|
|
|
config RESET_BRCMSTB
|
|
tristate "Broadcom STB reset controller"
|
|
depends on ARCH_BRCMSTB || COMPILE_TEST
|
|
default ARCH_BRCMSTB
|
|
help
|
|
This enables the reset controller driver for Broadcom STB SoCs using
|
|
a SUN_TOP_CTRL_SW_INIT style controller.
|
|
|
|
config RESET_BRCMSTB_RESCAL
|
|
tristate "Broadcom STB RESCAL reset controller"
|
|
depends on HAS_IOMEM
|
|
depends on ARCH_BRCMSTB || COMPILE_TEST
|
|
default ARCH_BRCMSTB
|
|
help
|
|
This enables the RESCAL reset controller for SATA, PCIe0, or PCIe1 on
|
|
BCM7216.
|
|
|
|
config RESET_GPIO
|
|
tristate "GPIO reset controller"
|
|
help
|
|
This enables a generic reset controller for resets attached via
|
|
GPIOs. Typically for OF platforms this driver expects "reset-gpios"
|
|
property.
|
|
|
|
If compiled as module, it will be called reset-gpio.
|
|
|
|
config RESET_HSDK
|
|
bool "Synopsys HSDK Reset Driver"
|
|
depends on HAS_IOMEM
|
|
depends on ARC_SOC_HSDK || COMPILE_TEST
|
|
help
|
|
This enables the reset controller driver for HSDK board.
|
|
|
|
config RESET_IMX7
|
|
tristate "i.MX7/8 Reset Driver"
|
|
depends on HAS_IOMEM
|
|
depends on SOC_IMX7D || (ARM64 && ARCH_MXC) || COMPILE_TEST
|
|
default y if SOC_IMX7D
|
|
select MFD_SYSCON
|
|
help
|
|
This enables the reset controller driver for i.MX7 SoCs.
|
|
|
|
config RESET_INTEL_GW
|
|
bool "Intel Reset Controller Driver"
|
|
depends on X86 || COMPILE_TEST
|
|
depends on OF && HAS_IOMEM
|
|
select REGMAP_MMIO
|
|
help
|
|
This enables the reset controller driver for Intel Gateway SoCs.
|
|
Say Y to control the reset signals provided by reset controller.
|
|
Otherwise, say N.
|
|
|
|
config RESET_K210
|
|
bool "Reset controller driver for Canaan Kendryte K210 SoC"
|
|
depends on (SOC_CANAAN || COMPILE_TEST) && OF
|
|
select MFD_SYSCON
|
|
default SOC_CANAAN
|
|
help
|
|
Support for the Canaan Kendryte K210 RISC-V SoC reset controller.
|
|
Say Y if you want to control reset signals provided by this
|
|
controller.
|
|
|
|
config RESET_LANTIQ
|
|
bool "Lantiq XWAY Reset Driver" if COMPILE_TEST
|
|
default SOC_TYPE_XWAY
|
|
help
|
|
This enables the reset controller driver for Lantiq / Intel XWAY SoCs.
|
|
|
|
config RESET_LPC18XX
|
|
bool "LPC18xx/43xx Reset Driver" if COMPILE_TEST
|
|
default ARCH_LPC18XX
|
|
help
|
|
This enables the reset controller driver for NXP LPC18xx/43xx SoCs.
|
|
|
|
config RESET_MCHP_SPARX5
|
|
bool "Microchip Sparx5 reset driver"
|
|
depends on ARCH_SPARX5 || SOC_LAN966 || COMPILE_TEST
|
|
default y if SPARX5_SWITCH
|
|
select MFD_SYSCON
|
|
help
|
|
This driver supports switch core reset for the Microchip Sparx5 SoC.
|
|
|
|
config RESET_MESON
|
|
tristate "Meson Reset Driver"
|
|
depends on ARCH_MESON || COMPILE_TEST
|
|
default ARCH_MESON
|
|
help
|
|
This enables the reset driver for Amlogic Meson SoCs.
|
|
|
|
config RESET_MESON_AUDIO_ARB
|
|
tristate "Meson Audio Memory Arbiter Reset Driver"
|
|
depends on ARCH_MESON || COMPILE_TEST
|
|
help
|
|
This enables the reset driver for Audio Memory Arbiter of
|
|
Amlogic's A113 based SoCs
|
|
|
|
config RESET_NPCM
|
|
bool "NPCM BMC Reset Driver" if COMPILE_TEST
|
|
default ARCH_NPCM
|
|
help
|
|
This enables the reset controller driver for Nuvoton NPCM
|
|
BMC SoCs.
|
|
|
|
config RESET_NUVOTON_MA35D1
|
|
bool "Nuvoton MA35D1 Reset Driver"
|
|
depends on ARCH_MA35 || COMPILE_TEST
|
|
default ARCH_MA35
|
|
help
|
|
This enables the reset controller driver for Nuvoton MA35D1 SoC.
|
|
|
|
config RESET_PISTACHIO
|
|
bool "Pistachio Reset Driver"
|
|
depends on MIPS || COMPILE_TEST
|
|
help
|
|
This enables the reset driver for ImgTec Pistachio SoCs.
|
|
|
|
config RESET_POLARFIRE_SOC
|
|
bool "Microchip PolarFire SoC (MPFS) Reset Driver"
|
|
depends on MCHP_CLK_MPFS
|
|
select AUXILIARY_BUS
|
|
default MCHP_CLK_MPFS
|
|
help
|
|
This driver supports peripheral reset for the Microchip PolarFire SoC
|
|
|
|
config RESET_QCOM_AOSS
|
|
tristate "Qcom AOSS Reset Driver"
|
|
depends on ARCH_QCOM || COMPILE_TEST
|
|
help
|
|
This enables the AOSS (always on subsystem) reset driver
|
|
for Qualcomm SDM845 SoCs. Say Y if you want to control
|
|
reset signals provided by AOSS for Modem, Venus, ADSP,
|
|
GPU, Camera, Wireless, Display subsystem. Otherwise, say N.
|
|
|
|
config RESET_QCOM_PDC
|
|
tristate "Qualcomm PDC Reset Driver"
|
|
depends on ARCH_QCOM || COMPILE_TEST
|
|
help
|
|
This enables the PDC (Power Domain Controller) reset driver
|
|
for Qualcomm Technologies Inc SDM845 SoCs. Say Y if you want
|
|
to control reset signals provided by PDC for Modem, Compute,
|
|
Display, GPU, Debug, AOP, Sensors, Audio, SP and APPS.
|
|
|
|
config RESET_RASPBERRYPI
|
|
tristate "Raspberry Pi 4 Firmware Reset Driver"
|
|
depends on RASPBERRYPI_FIRMWARE || (RASPBERRYPI_FIRMWARE=n && COMPILE_TEST)
|
|
default USB_XHCI_PCI
|
|
help
|
|
Raspberry Pi 4's co-processor controls some of the board's HW
|
|
initialization process, but it's up to Linux to trigger it when
|
|
relevant. This driver provides a reset controller capable of
|
|
interfacing with RPi4's co-processor and model these firmware
|
|
initialization routines as reset lines.
|
|
|
|
config RESET_RZG2L_USBPHY_CTRL
|
|
tristate "Renesas RZ/G2L USBPHY control driver"
|
|
depends on ARCH_RZG2L || COMPILE_TEST
|
|
help
|
|
Support for USBPHY Control found on RZ/G2L family. It mainly
|
|
controls reset and power down of the USB/PHY.
|
|
|
|
config RESET_SCMI
|
|
tristate "Reset driver controlled via ARM SCMI interface"
|
|
depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
|
|
default ARM_SCMI_PROTOCOL
|
|
help
|
|
This driver provides support for reset signal/domains that are
|
|
controlled by firmware that implements the SCMI interface.
|
|
|
|
This driver uses SCMI Message Protocol to interact with the
|
|
firmware controlling all the reset signals.
|
|
|
|
config RESET_SIMPLE
|
|
bool "Simple Reset Controller Driver" if COMPILE_TEST || EXPERT
|
|
default ARCH_ASPEED || ARCH_BCMBCA || ARCH_BITMAIN || ARCH_REALTEK || ARCH_SOPHGO || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC
|
|
depends on HAS_IOMEM
|
|
help
|
|
This enables a simple reset controller driver for reset lines that
|
|
that can be asserted and deasserted by toggling bits in a contiguous,
|
|
exclusive register space.
|
|
|
|
Currently this driver supports:
|
|
- Altera SoCFPGAs
|
|
- ASPEED BMC SoCs
|
|
- Bitmain BM1880 SoC
|
|
- Realtek SoCs
|
|
- RCC reset controller in STM32 MCUs
|
|
- Allwinner SoCs
|
|
- SiFive FU740 SoCs
|
|
- Sophgo SoCs
|
|
|
|
config RESET_SOCFPGA
|
|
bool "SoCFPGA Reset Driver" if COMPILE_TEST && (!ARM || !ARCH_INTEL_SOCFPGA)
|
|
default ARM && ARCH_INTEL_SOCFPGA
|
|
select RESET_SIMPLE
|
|
help
|
|
This enables the reset driver for the SoCFPGA ARMv7 platforms. This
|
|
driver gets initialized early during platform init calls.
|
|
|
|
config RESET_SUNPLUS
|
|
bool "Sunplus SoCs Reset Driver" if COMPILE_TEST
|
|
default ARCH_SUNPLUS
|
|
help
|
|
This enables the reset driver support for Sunplus SoCs.
|
|
The reset lines that can be asserted and deasserted by toggling bits
|
|
in a contiguous, exclusive register space. The register is HIWORD_MASKED,
|
|
which means each register holds 16 reset lines.
|
|
|
|
config RESET_SUNXI
|
|
bool "Allwinner SoCs Reset Driver" if COMPILE_TEST && !ARCH_SUNXI
|
|
default ARCH_SUNXI
|
|
select RESET_SIMPLE
|
|
help
|
|
This enables the reset driver for Allwinner SoCs.
|
|
|
|
config RESET_TI_SCI
|
|
tristate "TI System Control Interface (TI-SCI) reset driver"
|
|
depends on TI_SCI_PROTOCOL || (COMPILE_TEST && TI_SCI_PROTOCOL=n)
|
|
help
|
|
This enables the reset driver support over TI System Control Interface
|
|
available on some new TI's SoCs. If you wish to use reset resources
|
|
managed by the TI System Controller, say Y here. Otherwise, say N.
|
|
|
|
config RESET_TI_SYSCON
|
|
tristate "TI SYSCON Reset Driver"
|
|
depends on HAS_IOMEM
|
|
select MFD_SYSCON
|
|
help
|
|
This enables the reset driver support for TI devices with
|
|
memory-mapped reset registers as part of a syscon device node. If
|
|
you wish to use the reset framework for such memory-mapped devices,
|
|
say Y here. Otherwise, say N.
|
|
|
|
config RESET_TI_TPS380X
|
|
tristate "TI TPS380x Reset Driver"
|
|
select GPIOLIB
|
|
help
|
|
This enables the reset driver support for TI TPS380x devices. If
|
|
you wish to use the reset framework for such devices, say Y here.
|
|
Otherwise, say N.
|
|
|
|
config RESET_TN48M_CPLD
|
|
tristate "Delta Networks TN48M switch CPLD reset controller"
|
|
depends on MFD_TN48M_CPLD || COMPILE_TEST
|
|
default MFD_TN48M_CPLD
|
|
help
|
|
This enables the reset controller driver for the Delta TN48M CPLD.
|
|
It provides reset signals for Armada 7040 and 385 SoC-s, Alleycat 3X
|
|
switch MAC-s, Alaska OOB ethernet PHY, Quad Alaska ethernet PHY-s and
|
|
Microchip PD69200 PoE PSE controller.
|
|
|
|
This driver can also be built as a module. If so, the module will be
|
|
called reset-tn48m.
|
|
|
|
config RESET_UNIPHIER
|
|
tristate "Reset controller driver for UniPhier SoCs"
|
|
depends on ARCH_UNIPHIER || COMPILE_TEST
|
|
depends on OF && MFD_SYSCON
|
|
default ARCH_UNIPHIER
|
|
help
|
|
Support for reset controllers on UniPhier SoCs.
|
|
Say Y if you want to control reset signals provided by System Control
|
|
block, Media I/O block, Peripheral Block.
|
|
|
|
config RESET_UNIPHIER_GLUE
|
|
tristate "Reset driver in glue layer for UniPhier SoCs"
|
|
depends on (ARCH_UNIPHIER || COMPILE_TEST) && OF
|
|
default ARCH_UNIPHIER
|
|
select RESET_SIMPLE
|
|
help
|
|
Support for peripheral core reset included in its own glue layer
|
|
on UniPhier SoCs. Say Y if you want to control reset signals
|
|
provided by the glue layer.
|
|
|
|
config RESET_ZYNQ
|
|
bool "ZYNQ Reset Driver" if COMPILE_TEST
|
|
default ARCH_ZYNQ
|
|
help
|
|
This enables the reset controller driver for Xilinx Zynq SoCs.
|
|
|
|
source "drivers/reset/starfive/Kconfig"
|
|
source "drivers/reset/sti/Kconfig"
|
|
source "drivers/reset/hisilicon/Kconfig"
|
|
source "drivers/reset/tegra/Kconfig"
|
|
|
|
endif
|