Messages in this thread Patch in this message | | | From | Lee Jones <> | Subject | [PATCH 10/11] pwm: sti: Enable PWM Capture | Date | Wed, 10 Feb 2016 13:02:27 +0000 |
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Once all functionality is in place, we provide the means to enable PWM Capture. Here we are simply obtaining the associated regmap and twiddling the relevant enable register bits.
Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/pwm/pwm-sti.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c index 8de9b4a..93cf20e 100644 --- a/drivers/pwm/pwm-sti.c +++ b/drivers/pwm/pwm-sti.c @@ -279,6 +279,13 @@ static int sti_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) pwm->hwpwm); goto out; } + + ret = regmap_field_write(pc->pwm_cpt_en, 1); + if (ret) { + dev_err(dev, "failed to enable PWM capture:%d\n", + pwm->hwpwm); + goto out; + } } pc->en_count++; out: @@ -296,6 +303,7 @@ static void sti_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) return; } regmap_field_write(pc->pwm_out_en, 0); + regmap_field_write(pc->pwm_cpt_en, 0); clk_disable(pc->pwm_clk); clk_disable(pc->cpt_clk); @@ -492,6 +500,11 @@ static int sti_pwm_probe_dt(struct sti_pwm_chip *pc) if (IS_ERR(pc->pwm_out_en)) return PTR_ERR(pc->pwm_out_en); + pc->pwm_cpt_en = devm_regmap_field_alloc(dev, pc->regmap, + reg_fields[PWM_CPT_EN]); + if (IS_ERR(pc->pwm_cpt_en)) + return PTR_ERR(pc->pwm_cpt_en); + pc->pwm_cpt_int_en = devm_regmap_field_alloc(dev, pc->regmap, reg_fields[PWM_CPT_INT_EN]); if (IS_ERR(pc->pwm_cpt_int_en)) -- 1.9.1
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