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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2012-02-16 19:23:46 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-02-17 10:18:30 +0100 |
| commit | 6fa3e3119ff2864dac131933a1abfe201a264a0a (patch) | |
| tree | bc1801199087d49193a50866193299101a525aad /include | |
| parent | f917e6f866e6b0304a9f4e64980c27fb85271a40 (diff) | |
| download | barebox-6fa3e3119ff2864dac131933a1abfe201a264a0a.tar.gz barebox-6fa3e3119ff2864dac131933a1abfe201a264a0a.tar.xz | |
drivers/pwm: add duty_ns and period_ns to core pwm chip
Add variables to control the duty_ns and period_ns of PWM
chips. When these variables are set, a call to either
pwm_enable() or pwm_config() is performed to enforce the
setup values.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/pwm.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/pwm.h b/include/pwm.h index 80f88b194d..bdc2fdd858 100644 --- a/include/pwm.h +++ b/include/pwm.h @@ -2,6 +2,7 @@ #define __PWM_H struct pwm_device; +struct device_d; /* * pwm_request - request a PWM device @@ -51,13 +52,17 @@ struct pwm_ops { * struct pwm_chip - abstract a PWM * @devname: unique identifier for this pwm * @ops: The callbacks for this PWM + * @duty_ns: The duty cycle of the PWM, in nano-seconds + * @period_ns: The period of the PWM, in nano-seconds */ struct pwm_chip { const char *devname; struct pwm_ops *ops; + int duty_ns; + int period_ns; }; -int pwmchip_add(struct pwm_chip *chip); +int pwmchip_add(struct pwm_chip *chip, struct device_d *dev); int pwmchip_remove(struct pwm_chip *chip); #endif /* __PWM_H */ |