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/openbmc/u-boot/doc/device-tree-bindings/pwm/
H A Dpwm.txt1 Specifying PWM information for devices
4 1) PWM user nodes
7 PWM users should specify a list of PWM devices that they want to use
12 pwm-phandle : phandle to PWM controller node
13 pwm-specifier : array of #pwm-cells specifying the given PWM
16 PWM properties should be named "pwms". The exact meaning of each pwms
19 each of the PWM devices listed in the "pwms" property. If no "pwm-names"
22 Drivers for devices that use more than a single PWM device can use the
23 "pwm-names" property to map the name of the PWM device requested by the
26 The following example could be used to describe a PWM-based backlight
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H A Dtegra20-pwm.txt8 - #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The
9 first cell specifies the per-chip index of the PWM to use and the second
/openbmc/u-boot/drivers/pwm/
H A DKconfig2 bool "Enable support for pulse-width modulation devices (PWM)"
7 is often used to control a voltage level. The more time the PWM
8 spends in the 'high' state, the higher the voltage. The PWM's
13 bool "Enable support for the Exynos PWM"
16 This PWM is found on Samsung Exynos 5250 and other Samsung SoCs. It
22 bool "Enable support for the Rockchip PWM"
25 This PWM is found on RK3288 and other Rockchip SoCs. It supports a
31 bool "Enable support for the sandbox PWM"
33 This is a sandbox PWM used for testing. It provides 3 channels and
35 useful. The PWM can be enabled but is not connected to any outputs
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/openbmc/u-boot/doc/device-tree-bindings/timer/
H A Datcpit100_timer.txt7 used as pulse width modulators (PWM) as well as simple timers.
14 One 16-bit PWM
15 One 16-bit timer and one 8-bit PWM
16 Two 8-bit timer and one 8-bit PWM
/openbmc/phosphor-fan-presence/docs/control/
H A Dfans.md34 The D-Bus interface to use for setting the fan target speed/PWM. Either
36 `xyz.openbmc_project.Control.FanPWM` for PWM controlled fans. Required.
40 The D-Bus object path used for setting the fan target speed/PWM via
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-support/c-periphery/
H A Dc-periphery_2.4.3.bb1 SUMMARY = "C-Periphery lib used to access GPIO, LED, PWM, SPI, I2C, MMIO, Serial"
2 DESCRIPTION = "A C library for peripheral I/O (GPIO, LED, PWM, SPI, I2C, MMIO, Serial) in Linux"
/openbmc/openbmc/meta-fii/meta-kudo/recipes-phosphor/fans/
H A Dpwm-init.bb1 SUMMARY = "Initialize PWM sensors"
2 DESCRIPTION = "Initialize PWM sensors"
/openbmc/openbmc/meta-facebook/meta-anacapa/recipes-anacapa/fan-init/files/
H A Dfan-init19 PWM=0xE6
45 i2cset -f -y "$bus" "$addr" "$reg" "$PWM"
H A Dfan-init.service2 Description = PWM Initialization
/openbmc/phosphor-pid-control/
H A Dmeson.options12 description: 'Set the fans strictly at the failsafe PWM when in failsafe mode',
18 description: 'Set the fans at the failsafe PWM when reloading or terminated.',
/openbmc/openbmc/meta-ibm/meta-sbp1/recipes-phosphor/fans/phosphor-pid-control/
H A Dfan-setup.service2 Description=Configure fan PWM controllers
14 # Set PWM Mode and set RPM range to 16000
18 # Disable Fan Spin-up and THERM-full-speed enable & Set Fan PWM frequency to 25kHz
/openbmc/u-boot/arch/arm/mach-mediatek/
H A DKconfig22 I2S, PCM, S/PDIF, UART, SPI, I2C, IR TX/RX, and PWM.
32 switch, USB3.0, PCIe, UART, SPI, I2C and PWM.
/openbmc/u-boot/doc/device-tree-bindings/video/
H A Dintel-gma.txt23 - intel,cpu-backlight : Value for CPU Backlight PWM
24 - intel,pch-backlight : Value for PCH Backlight PWM
/openbmc/openbmc/meta-fii/meta-kudo/recipes-phosphor/fans/pwm-init/
H A Dpwm_init.service2 Description=Init PWM sensors
/openbmc/openbmc/meta-openembedded/meta-python/recipes-devtools/python/
H A Dpython3-periphery_2.4.1.bb1 DESCRIPTION = "A pure Python 2/3 library for peripheral I/O (GPIO, LED, PWM, SPI, I2C, MMIO, Serial…
/openbmc/u-boot/arch/arm/mach-tegra/tegra20/
H A Dpinmux.c303 PINP(GPU, PWM, UARTA, GMI, RSVD4, GPSLXAU),
322 PIN(SDC, PWM, TWC, SDIO3, SPI3),
323 PIN(SDD, UARTA, PWM, SDIO3, SPI3),
346 PIN(UCB, UARTC, PWM, GMI, RSVD4),
411 PINP(SDB, UARTA, PWM, SDIO3, SPI2, NONE),
/openbmc/openbmc/meta-ufispace/meta-ncplite/recipes-kernel/linux/linux-aspeed/
H A Dncplite.cfg33 #AST2600 TACH & PWM driver config
/openbmc/openbmc/meta-raspberrypi/recipes-devtools/python/
H A Drpio_0.10.1.bb1 DESCRIPTION = "Advanced GPIO for the Raspberry Pi. Extends RPi.GPIO with PWM, \
/openbmc/openbmc/meta-raspberrypi/recipes-devtools/pi-blaster/
H A Dpi-blaster_git.bb1 DESCRIPTION = "This project enables PWM on the GPIO pins you request of a Raspberry Pi."
/openbmc/phosphor-fan-presence/docs/control/fanctl/
H A DREADME.md4 control including the ability to manually set the fans to a desired RPM (or PWM
37 - RPM/PWM target to set the fans
63 using RPM or PWM fan speeds, and sets them to the value provided):
/openbmc/openbmc-tools/pwmtachtool/
H A DREADME3 This package contains a tool that can be used to get / set PWM values to control
/openbmc/qemu/docs/system/arm/
H A Dmusca.rst15 - PWM
/openbmc/u-boot/doc/device-tree-bindings/video/bridge/
H A Dps8622.txt13 - use-external-pwm: backlight will be controlled by an external PWM
/openbmc/qemu/tests/qtest/
H A Dnpcm7xx_pwm-test.c106 typedef struct PWM { struct
111 } PWM; argument
115 const PWM *pwm;
129 static const PWM pwm_list[] = {
212 static int pwm_index(const PWM *pwm) in pwm_index()
/openbmc/u-boot/arch/arm/dts/
H A Dexynos5420-peach-pit.dts162 * [6]PWM function control by
163 * DPCD0040f[7], default is PWM
193 /* DPCD720 Select internal PWM */
196 * FFh for 100% PWM of brightness, 0h for 0%

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