diff options
Diffstat (limited to 'drivers/pwm/pwm-dwc-core.c')
| -rw-r--r-- | drivers/pwm/pwm-dwc-core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-dwc-core.c b/drivers/pwm/pwm-dwc-core.c index 34934b71a75d..8e716470390e 100644 --- a/drivers/pwm/pwm-dwc-core.c +++ b/drivers/pwm/pwm-dwc-core.c @@ -49,13 +49,13 @@ static int __dwc_pwm_configure_timer(struct dwc_pwm *dwc, * periods and check are the result within HW limits between 1 and * 2^32 periods. */ - tmp = DIV_ROUND_CLOSEST_ULL(state->duty_cycle, DWC_CLK_PERIOD_NS); + tmp = DIV_ROUND_CLOSEST_ULL(state->duty_cycle, dwc->clk_ns); if (tmp < 1 || tmp > (1ULL << 32)) return -ERANGE; low = tmp - 1; tmp = DIV_ROUND_CLOSEST_ULL(state->period - state->duty_cycle, - DWC_CLK_PERIOD_NS); + dwc->clk_ns); if (tmp < 1 || tmp > (1ULL << 32)) return -ERANGE; high = tmp - 1; @@ -130,12 +130,12 @@ static int dwc_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, duty = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(pwm->hwpwm)); duty += 1; - duty *= DWC_CLK_PERIOD_NS; + duty *= dwc->clk_ns; state->duty_cycle = duty; period = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(pwm->hwpwm)); period += 1; - period *= DWC_CLK_PERIOD_NS; + period *= dwc->clk_ns; period += duty; state->period = period; @@ -159,6 +159,7 @@ struct dwc_pwm *dwc_pwm_alloc(struct device *dev) if (!dwc) return NULL; + dwc->clk_ns = 10; dwc->chip.dev = dev; dwc->chip.ops = &dwc_pwm_ops; dwc->chip.npwm = DWC_TIMERS_TOTAL; |