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| author |   Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2021-01-18 13:32:44 +0100 |
|---|---|---|
| committer | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2021-03-22 17:59:52 +0100 |
| commit | 79caa362eab6569297210eda375d6ea358a81161 (patch) | |
| tree | 46d19f76d7c743728e0202bc6a11701a98b6a0c3 /drivers/pwm/Kconfig | |
| parent | dt-bindings: pwm: Add binding for RPi firmware PWM bus (diff) | |
| download | linux-dev-79caa362eab6569297210eda375d6ea358a81161.tar.xz linux-dev-79caa362eab6569297210eda375d6ea358a81161.zip | |
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>
Diffstat (limited to 'drivers/pwm/Kconfig')
| -rw-r--r-- | drivers/pwm/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index 9a4f66ae8070..43d9f1884cd3 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -423,6 +423,15 @@ config PWM_PXA To compile this driver as a module, choose M here: the module will be called pwm-pxa. +config PWM_RASPBERRYPI_POE + tristate "Raspberry Pi Firwmware 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) + help + Enable Raspberry Pi firmware controller PWM bus used to control the + official RPI PoE hat + config PWM_RCAR tristate "Renesas R-Car PWM support" depends on ARCH_RENESAS || COMPILE_TEST |