diff options
-rw-r--r-- | arch/arm/Kconfig | 3 | ||||
-rw-r--r-- | include/linux/pwm.h | 31 |
2 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b786e68914d4..c274dbb89a83 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
@@ -22,6 +22,9 @@ config ARM | |||
22 | Europe. There is an ARM Linux project with a web page at | 22 | Europe. There is an ARM Linux project with a web page at |
23 | <http://www.arm.linux.org.uk/>. | 23 | <http://www.arm.linux.org.uk/>. |
24 | 24 | ||
25 | config HAVE_PWM | ||
26 | bool | ||
27 | |||
25 | config SYS_SUPPORTS_APM_EMULATION | 28 | config SYS_SUPPORTS_APM_EMULATION |
26 | bool | 29 | bool |
27 | 30 | ||
diff --git a/include/linux/pwm.h b/include/linux/pwm.h new file mode 100644 index 000000000000..3945f803d514 --- /dev/null +++ b/include/linux/pwm.h | |||
@@ -0,0 +1,31 @@ | |||
1 | #ifndef __LINUX_PWM_H | ||
2 | #define __LINUX_PWM_H | ||
3 | |||
4 | struct pwm_device; | ||
5 | |||
6 | /* | ||
7 | * pwm_request - request a PWM device | ||
8 | */ | ||
9 | struct pwm_device *pwm_request(int pwm_id, const char *label); | ||
10 | |||
11 | /* | ||
12 | * pwm_free - free a PWM device | ||
13 | */ | ||
14 | void pwm_free(struct pwm_device *pwm); | ||
15 | |||
16 | /* | ||
17 | * pwm_config - change a PWM device configuration | ||
18 | */ | ||
19 | int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns); | ||
20 | |||
21 | /* | ||
22 | * pwm_enable - start a PWM output toggling | ||
23 | */ | ||
24 | int pwm_enable(struct pwm_device *pwm); | ||
25 | |||
26 | /* | ||
27 | * pwm_disable - stop a PWM output toggling | ||
28 | */ | ||
29 | void pwm_disable(struct pwm_device *pwm); | ||
30 | |||
31 | #endif /* __ASM_ARCH_PWM_H */ | ||