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-rw-r--r--drivers/pwm/Kconfig243
1 files changed, 210 insertions, 33 deletions
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index dae023d783a2..bf2d101f67a1 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -29,10 +29,6 @@ menuconfig PWM
if PWM
-config PWM_SYSFS
- bool
- default y if SYSFS
-
config PWM_DEBUG
bool "PWM lowlevel drivers additional checks and debug messages"
depends on DEBUG_KERNEL
@@ -42,6 +38,15 @@ config PWM_DEBUG
It is expected to introduce some runtime overhead and diagnostic
output to the kernel log, so only enable while working on a driver.
+config PWM_PROVIDE_GPIO
+ bool "Provide a GPIO chip for each PWM chip"
+ depends on GPIOLIB
+ help
+ Most PWMs can emit both a constant active high and a constant active
+ low signal and so they can be used as GPIO. Say Y here to let each
+ PWM chip provide a GPIO chip and so be easily plugged into consumers
+ that know how to handle GPIOs but not PWMs.
+
config PWM_AB8500
tristate "AB8500 PWM support"
depends on AB8500_CORE && ARCH_U8500
@@ -51,6 +56,44 @@ config PWM_AB8500
To compile this driver as a module, choose M here: the module
will be called pwm-ab8500.
+config PWM_ADP5585
+ tristate "ADP5585 PWM support"
+ depends on MFD_ADP5585
+ help
+ This option enables support for the PWM function found in the Analog
+ Devices ADP5585.
+
+config PWM_AIROHA
+ tristate "Airoha PWM support"
+ depends on ARCH_AIROHA || COMPILE_TEST
+ select REGMAP_MMIO
+ help
+ Generic PWM framework driver for Airoha SoC.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-airoha.
+
+config PWM_APPLE
+ tristate "Apple SoC PWM support"
+ depends on ARCH_APPLE || COMPILE_TEST
+ help
+ Generic PWM framework driver for PWM controller present on
+ Apple SoCs
+
+ Say Y here if you have an ARM Apple laptop, otherwise say N
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-apple.
+
+config PWM_ARGON_FAN_HAT
+ tristate "Argon40 Fan HAT support"
+ depends on I2C && OF
+ help
+ Generic PWM framework driver for Argon40 Fan HAT.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-argon-fan-hat.
+
config PWM_ATMEL
tristate "Atmel PWM support"
depends on ARCH_AT91 || COMPILE_TEST
@@ -86,6 +129,29 @@ config PWM_ATMEL_TCB
To compile this driver as a module, choose M here: the module
will be called pwm-atmel-tcb.
+config PWM_AXI_PWMGEN
+ tristate "Analog Devices AXI PWM generator"
+ depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
+ select REGMAP_MMIO
+ help
+ This enables support for the Analog Devices AXI PWM generator.
+
+ This is a configurable PWM generator with variable pulse width and
+ period.
+
+ To compile this driver as a module, choose M here: the module will be
+ called pwm-axi-pwmgen.
+
+config PWM_BCM2835
+ tristate "BCM2835 PWM support"
+ depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
+ depends on HAS_IOMEM
+ help
+ PWM framework driver for BCM2835 controller (Raspberry Pi)
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-bcm2835.
+
config PWM_BCM_IPROC
tristate "iProc PWM support"
depends on ARCH_BCM_IPROC || COMPILE_TEST
@@ -109,16 +175,6 @@ config PWM_BCM_KONA
To compile this driver as a module, choose M here: the module
will be called pwm-bcm-kona.
-config PWM_BCM2835
- tristate "BCM2835 PWM support"
- depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
- depends on HAS_IOMEM
- help
- PWM framework driver for BCM2835 controller (Raspberry Pi)
-
- To compile this driver as a module, choose M here: the module
- will be called pwm-bcm2835.
-
config PWM_BERLIN
tristate "Marvell Berlin PWM support"
depends on ARCH_BERLIN || COMPILE_TEST
@@ -161,8 +217,8 @@ config PWM_CLPS711X
will be called pwm-clps711x.
config PWM_CRC
- bool "Intel Crystalcove (CRC) PWM support"
- depends on X86 && INTEL_SOC_PMIC
+ tristate "Intel Crystalcove (CRC) PWM support"
+ depends on INTEL_SOC_PMIC
help
Generic PWM framework driver for Crystalcove (CRC) PMIC based PWM
control.
@@ -174,9 +230,19 @@ config PWM_CROS_EC
PWM driver for exposing a PWM attached to the ChromeOS Embedded
Controller.
+config PWM_DWC_CORE
+ tristate
+ depends on HAS_IOMEM
+ help
+ PWM driver for Synopsys DWC PWM Controller.
+
+ To compile this driver as a module, build the dependecies as
+ modules, this will be called pwm-dwc-core.
+
config PWM_DWC
- tristate "DesignWare PWM Controller"
- depends on PCI
+ tristate "DesignWare PWM Controller (PCI bus)"
+ depends on HAS_IOMEM && PCI
+ select PWM_DWC_CORE
help
PWM driver for Synopsys DWC PWM Controller attached to a PCI bus.
@@ -205,6 +271,17 @@ config PWM_FSL_FTM
To compile this driver as a module, choose M here: the module
will be called pwm-fsl-ftm.
+config PWM_GPIO
+ tristate "GPIO PWM support"
+ depends on GPIOLIB
+ depends on HIGH_RES_TIMERS
+ help
+ Generic PWM framework driver for software PWM toggling a GPIO pin
+ from kernel high-resolution timers.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-gpio.
+
config PWM_HIBVT
tristate "HiSilicon BVT PWM support"
depends on ARCH_HISI || COMPILE_TEST
@@ -302,6 +379,18 @@ config PWM_KEEMBAY
To compile this driver as a module, choose M here: the module
will be called pwm-keembay.
+config PWM_LOONGSON
+ tristate "Loongson PWM support"
+ depends on MACH_LOONGSON64 || COMPILE_TEST
+ depends on COMMON_CLK
+ help
+ Generic PWM framework driver for Loongson family.
+ It can be found on Loongson-2K series cpus and Loongson LS7A
+ bridge chips.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-loongson.
+
config PWM_LP3943
tristate "TI/National Semiconductor LP3943 PWM support"
depends on MFD_LP3943
@@ -362,6 +451,39 @@ config PWM_LPSS_PLATFORM
To compile this driver as a module, choose M here: the module
will be called pwm-lpss-platform.
+config PWM_MAX7360
+ tristate "MAX7360 PWMs"
+ depends on MFD_MAX7360
+ help
+ PWM driver for Maxim Integrated MAX7360 multifunction device, with
+ support for up to 8 PWM outputs.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-max7360.
+
+config PWM_MC33XS2410
+ tristate "MC33XS2410 PWM support"
+ depends on OF
+ depends on SPI
+ select AUXILIARY_BUS
+ help
+ NXP MC33XS2410 high-side switch driver. The MC33XS2410 is a four
+ channel high-side switch. The device is operational from 3.0 V
+ to 60 V. The device is controlled by SPI port for configuration.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-mc33xs2410.
+
+config PWM_MEDIATEK
+ tristate "MediaTek PWM support"
+ depends on ARCH_MEDIATEK || RALINK || COMPILE_TEST
+ depends on HAS_IOMEM
+ help
+ Generic PWM framework driver for Mediatek ARM SoC.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-mediatek.
+
config PWM_MESON
tristate "Amlogic Meson PWM driver"
depends on ARCH_MESON || COMPILE_TEST
@@ -372,6 +494,16 @@ config PWM_MESON
To compile this driver as a module, choose M here: the module
will be called pwm-meson.
+config PWM_MICROCHIP_CORE
+ tristate "Microchip corePWM PWM support"
+ depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
+ depends on HAS_IOMEM && OF
+ help
+ PWM driver for Microchip FPGA soft IP core.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-microchip-core.
+
config PWM_MTK_DISP
tristate "MediaTek display PWM driver"
depends on ARCH_MEDIATEK || COMPILE_TEST
@@ -383,16 +515,6 @@ config PWM_MTK_DISP
To compile this driver as a module, choose M here: the module
will be called pwm-mtk-disp.
-config PWM_MEDIATEK
- tristate "MediaTek PWM support"
- depends on ARCH_MEDIATEK || RALINK || COMPILE_TEST
- depends on HAS_IOMEM
- help
- Generic PWM framework driver for Mediatek ARM SoC.
-
- To compile this driver as a module, choose M here: the module
- will be called pwm-mediatek.
-
config PWM_MXS
tristate "Freescale MXS PWM support"
depends on ARCH_MXS || COMPILE_TEST
@@ -434,7 +556,7 @@ config PWM_PCA9685
config PWM_PXA
tristate "PXA PWM support"
- depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST
+ depends on ARCH_PXA || ARCH_MMP || ARCH_SPACEMIT || COMPILE_TEST
depends on HAS_IOMEM
help
Generic PWM framework driver for PXA.
@@ -443,7 +565,7 @@ config PWM_PXA
will be called pwm-pxa.
config PWM_RASPBERRYPI_POE
- tristate "Raspberry Pi Firwmware PoE Hat PWM support"
+ tristate "Raspberry Pi Firmware PoE Hat PWM support"
# Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only
# happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE.
depends on RASPBERRYPI_FIRMWARE || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
@@ -451,7 +573,7 @@ config PWM_RASPBERRYPI_POE
Enable Raspberry Pi firmware controller PWM bus used to control the
official RPI PoE hat
-config PWM_RCAR
+config PWM_RENESAS_RCAR
tristate "Renesas R-Car PWM support"
depends on ARCH_RENESAS || COMPILE_TEST
depends on HAS_IOMEM
@@ -462,6 +584,28 @@ config PWM_RCAR
To compile this driver as a module, choose M here: the module
will be called pwm-rcar.
+config PWM_RENESAS_RZG2L_GPT
+ tristate "Renesas RZ/G2L General PWM Timer support"
+ depends on ARCH_RZG2L || COMPILE_TEST
+ depends on HAS_IOMEM
+ help
+ This driver exposes the General PWM Timer controller found in Renesas
+ RZ/G2L like chips through the PWM API.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-rzg2l-gpt.
+
+config PWM_RENESAS_RZ_MTU3
+ tristate "Renesas RZ/G2L MTU3a PWM Timer support"
+ depends on RZ_MTU3
+ depends on HAS_IOMEM
+ help
+ This driver exposes the MTU3a PWM Timer controller found in Renesas
+ RZ/G2L like chips through the PWM API.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-rz-mtu3.
+
config PWM_RENESAS_TPU
tristate "Renesas TPU PWM support"
depends on ARCH_RENESAS || COMPILE_TEST
@@ -497,7 +641,7 @@ config PWM_SIFIVE
tristate "SiFive PWM support"
depends on OF
depends on COMMON_CLK && HAS_IOMEM
- depends on RISCV || COMPILE_TEST
+ depends on ARCH_SIFIVE || COMPILE_TEST
help
Generic PWM framework driver for SiFive SoCs.
@@ -514,6 +658,16 @@ config PWM_SL28CPLD
To compile this driver as a module, choose M here: the module
will be called pwm-sl28cpld.
+config PWM_SOPHGO_SG2042
+ tristate "Sophgo SG2042 PWM support"
+ depends on ARCH_SOPHGO || COMPILE_TEST
+ help
+ PWM driver for the PWM controller on Sophgo SG2042 SoC. The PWM
+ controller supports outputing 4 channels of PWM waveforms.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm_sophgo_sg2042.
+
config PWM_SPEAR
tristate "STMicroelectronics SPEAr PWM support"
depends on PLAT_SPEAR || COMPILE_TEST
@@ -566,7 +720,7 @@ config PWM_STM32_LP
will be called pwm-stm32-lp.
config PWM_STMPE
- bool "STMPE expander PWM export"
+ tristate "STMPE expander PWM export"
depends on MFD_STMPE
help
This enables support for the PWMs found in the STMPE I/O
@@ -604,6 +758,17 @@ config PWM_TEGRA
To compile this driver as a module, choose M here: the module
will be called pwm-tegra.
+config PWM_TH1520
+ tristate "TH1520 PWM support"
+ depends on RUST
+ select RUST_PWM_ABSTRACTIONS
+ help
+ This option enables the driver for the PWM controller found on the
+ T-HEAD TH1520 SoC.
+
+ To compile this driver as a module, choose M here; the module
+ will be called pwm-th1520. If you are unsure, say N.
+
config PWM_TIECAP
tristate "ECAP PWM support"
depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
@@ -675,4 +840,16 @@ config PWM_XILINX
To compile this driver as a module, choose M here: the module
will be called pwm-xilinx.
+ config RUST_PWM_ABSTRACTIONS
+ bool
+ depends on RUST
+ help
+ This option enables the safe Rust abstraction layer for the PWM
+ subsystem. It provides idiomatic wrappers and traits necessary for
+ writing PWM controller drivers in Rust.
+
+ The abstractions handle resource management (like memory and reference
+ counting) and provide safe interfaces to the underlying C core,
+ allowing driver logic to be written in safe Rust.
+
endif