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Nicolas Saenz Julienne 79caa362ea pwm: Add Raspberry Pi Firmware based PWM bus 
Adds support to control the PWM bus available in official Raspberry Pi
PoE HAT. Only RPi's co-processor has access to it, so commands have to
be sent through RPi's firmware mailbox interface.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
2021-03-22 17:59:52 +01:00
..
core.c
pwm: core: Use octal permission
2020-12-17 14:19:00 +01:00
Kconfig
pwm: Add Raspberry Pi Firmware based PWM bus
2021-03-22 17:59:52 +01:00
Makefile
pwm: Add Raspberry Pi Firmware based PWM bus
2021-03-22 17:59:52 +01:00
pwm-ab8500.c
pwm: ab8500: Explicitly allocate pwm chip base dynamically
2020-12-17 14:18:48 +01:00
pwm-atmel-hlcdc.c
pwm: Ensure pwm_apply_state() doesn't modify the state argument
2019-09-21 03:25:10 +02:00
pwm-atmel-tcb.c
pwm: atmel-tcb: Add sama5d2 support
2020-12-17 14:18:55 +01:00
pwm-atmel.c
pwm: atmel: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:46 +01:00
pwm-bcm2835.c
pwm: bcm2835: Support apply function for atomic configuration
2020-12-17 14:19:01 +01:00
pwm-bcm-iproc.c
pwm: bcm-iproc: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:42 +01:00
pwm-bcm-kona.c
pwm: bcm-kona: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:41 +01:00
pwm-berlin.c
pwm: berlin: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:44 +01:00
pwm-brcmstb.c
pwm: brcmstb: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:44 +01:00
pwm-clps711x.c
pwm: clps711x: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:45 +01:00
pwm-crc.c
pwm: Use -EINVAL for unsupported polarity
2020-12-17 14:18:59 +01:00
pwm-cros-ec.c
pwm: cros-ec: Simplify EC error handling
2020-08-24 11:37:34 +02:00
pwm-dwc.c
pwm: Add DesignWare PWM Controller Driver
2020-12-17 14:18:58 +01:00
pwm-ep93xx.c
pwm: ep93xx: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:39 +01:00
pwm-fsl-ftm.c
pwm: fsl-ftm: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:38 +01:00
pwm-hibvt.c
pwm: hibvt: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:46 +01:00
pwm-img.c
pwm: img: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:45 +01:00
pwm-imx1.c
pwm: imx1: Use dev_err_probe() to simplify error handling
2020-12-17 14:18:47 +01:00
pwm-imx27.c
pwm: imx27: Fix overflow for bigger periods
2020-12-17 14:19:01 +01:00
pwm-imx-tpm.c
pwm: imx-tpm: Use dev_err_probe() to simplify error handling
2020-12-17 14:18:47 +01:00
pwm-intel-lgm.c
pwm: Add PWM fan controller driver for LGM SoC
2020-12-17 14:18:59 +01:00
pwm-iqs620a.c
pwm: iqs620a: Correct a stale state variable
2021-02-22 15:18:50 +01:00
pwm-jz4740.c
pwm: jz4740: Simplify with dev_err_probe()
2020-09-24 09:18:10 +02:00
pwm-keembay.c
pwm: keembay: Fix build failure with -Os
2020-12-17 14:19:00 +01:00
pwm-lp3943.c
pwm: lp3943: Dynamically allocate PWM chip base
2020-12-17 14:18:55 +01:00
pwm-lpc18xx-sct.c
pwm: lpc18xx-sct: remove unneeded semicolon
2021-02-22 15:20:43 +01:00
pwm-lpc32xx.c
pwm: lpc32xx: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:42 +01:00
pwm-lpss-pci.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pwm-lpss-platform.c
pwm: lpss: Set DPM_FLAG_SMART_SUSPEND on Cherry Trail devices
2020-12-17 14:18:49 +01:00
pwm-lpss.c
pwm: lpss: Log error from pwm_lpss_is_updating() if the update bit is still set
2020-12-17 14:18:48 +01:00
pwm-lpss.h
pwm: lpss: Remove suspend/resume handlers
2020-09-06 15:38:01 +02:00
pwm-mediatek.c
pwm: mediatek: Add MT8183 SoC support
2020-12-17 14:18:58 +01:00
pwm-meson.c
pwm: meson: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:42 +01:00
pwm-mtk-disp.c
pwm: mtk-disp: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:44 +01:00
pwm-mxs.c
pwm: mxs: Remove unused include of of_address.h
2020-03-30 16:55:27 +02:00
pwm-omap-dmtimer.c
pwm: Replace HTTP links with HTTPS ones
2020-07-30 11:27:13 +02:00
pwm-pca9685.c
pwm: pca9685: Disable unused alternative addresses
2020-09-24 09:18:13 +02:00
pwm-pxa.c
pwm: pxa: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:40 +01:00
pwm-raspberrypi-poe.c
pwm: Add Raspberry Pi Firmware based PWM bus
2021-03-22 17:59:52 +01:00
pwm-rcar.c
pwm: Use -EINVAL for unsupported polarity
2020-12-17 14:18:59 +01:00
pwm-renesas-tpu.c
pwm: renesas-tpu: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:38 +01:00
pwm-rockchip.c
pwm: rockchip: Enable clock before calling clk_get_rate()
2021-01-20 18:13:32 +01:00
pwm-samsung.c
pwm: samsung: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:43 +01:00
pwm-sifive.c
pwm: sifive: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:46 +01:00
pwm-sl28cpld.c
pwm: Changes for v5.11-rc1
2020-12-19 11:51:32 -08:00
pwm-spear.c
pwm: spear: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:41 +01:00
pwm-sprd.c
pwm: sprd: Simplify with dev_err_probe()
2020-09-24 09:18:11 +02:00
pwm-sti.c
pwm: sti: Remove unnecessary blank line
2020-12-17 14:18:59 +01:00
pwm-stm32-lp.c
pwm: Convert period and duty cycle to u64
2020-06-17 20:42:11 +02:00
pwm-stm32.c
pwm: stm32: Remove automatic output enable
2020-01-20 13:47:36 +01:00
pwm-stmpe.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pwm-sun4i.c
pwm: sun4i: Remove erroneous else branch
2020-12-17 14:23:49 +01:00
pwm-tegra.c
pwm: tegra: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:39 +01:00
pwm-tiecap.c
pwm: tiecap: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:44 +01:00
pwm-tiehrpwm.c
pwm: tiehrpwm: Handle deferred probe with dev_err_probe()
2020-12-17 14:18:49 +01:00
pwm-twl-led.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
pwm-twl.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
pwm-vt8500.c
pwm: vt8500: Convert to devm_platform_ioremap_resource()
2020-12-17 14:18:44 +01:00
sysfs.c
pwm: Allow store 64-bit duty cycle from sysfs interface
2020-09-24 09:18:14 +02:00