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| author | Dario Binacchi <dariobin@libero.it> | 2020-12-30 00:16:25 +0100 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2021-01-12 10:58:05 +0530 |
| commit | 0f4effb05b275f36c490673313317cfe897c9b79 (patch) | |
| tree | e26a48e948f271d39648156a9cee56f5c1564cdd /drivers/bus | |
| parent | ade7f0d00e598387fe67475d54511df4fe25d83f (diff) | |
| download | u-boot-0f4effb05b275f36c490673313317cfe897c9b79.zip u-boot-0f4effb05b275f36c490673313317cfe897c9b79.tar.gz u-boot-0f4effb05b275f36c490673313317cfe897c9b79.tar.bz2 | |
bus: ti: am33xx: add pwm subsystem driver
The TI PWMSS driver is a simple bus driver for providing clock and power
management for the PWM peripherals on TI AM33xx SoCs, namely eCAP,
eHRPWM and eQEP.
For DT binding details see Linux doc:
- Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/bus/Makefile | 1 | ||||
| -rw-r--r-- | drivers/bus/ti-pwmss.c | 21 |
3 files changed, 28 insertions, 0 deletions
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index 733bec5..d742ed3 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -5,6 +5,12 @@ menu "Bus devices" +config TI_PWMSS + bool + default y if ARCH_OMAP2PLUS && PWM_TI_EHRPWM + help + PWM Subsystem driver support for AM33xx SOC. + config TI_SYSC bool "TI sysc interconnect target module driver" depends on ARCH_OMAP2PLUS diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile index 875bb4e..a2e71c7 100644 --- a/drivers/bus/Makefile +++ b/drivers/bus/Makefile @@ -3,5 +3,6 @@ # Makefile for the bus drivers. # +obj-$(CONFIG_TI_PWMSS) += ti-pwmss.o obj-$(CONFIG_TI_SYSC) += ti-sysc.o obj-$(CONFIG_UNIPHIER_SYSTEM_BUS) += uniphier-system-bus.o diff --git a/drivers/bus/ti-pwmss.c b/drivers/bus/ti-pwmss.c new file mode 100644 index 0000000..265b4cf --- /dev/null +++ b/drivers/bus/ti-pwmss.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Pulse-Width Modulation Subsystem (pwmss) + * + * Copyright (C) 2020 Dario Binacchi <dariobin@libero.it> + */ + +#include <common.h> +#include <dm.h> + +static const struct udevice_id ti_pwmss_ids[] = { + {.compatible = "ti,am33xx-pwmss"}, + {} +}; + +U_BOOT_DRIVER(ti_pwmss) = { + .name = "ti_pwmss", + .id = UCLASS_SIMPLE_BUS, + .of_match = ti_pwmss_ids, + .bind = dm_scan_fdt_dev, +}; |