diff options
Diffstat (limited to 'drivers/pwm/pwm-mediatek.c')
| -rw-r--r-- | drivers/pwm/pwm-mediatek.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index 568b13a48717..d28c0874c7f2 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -198,10 +198,33 @@ static void pwm_mediatek_disable(struct pwm_chip *chip, struct pwm_device *pwm) pwm_mediatek_clk_disable(chip, pwm); } +static int pwm_mediatek_apply(struct pwm_chip *chip, struct pwm_device *pwm, + const struct pwm_state *state) +{ + int err; + + if (state->polarity != PWM_POLARITY_NORMAL) + return -EINVAL; + + if (!state->enabled) { + if (pwm->state.enabled) + pwm_mediatek_disable(chip, pwm); + + return 0; + } + + err = pwm_mediatek_config(pwm->chip, pwm, state->duty_cycle, state->period); + if (err) + return err; + + if (!pwm->state.enabled) + err = pwm_mediatek_enable(chip, pwm); + + return err; +} + static const struct pwm_ops pwm_mediatek_ops = { - .config = pwm_mediatek_config, - .enable = pwm_mediatek_enable, - .disable = pwm_mediatek_disable, + .apply = pwm_mediatek_apply, .owner = THIS_MODULE, }; @@ -264,6 +287,12 @@ static const struct pwm_mediatek_of_data mt2712_pwm_data = { .has_ck_26m_sel = false, }; +static const struct pwm_mediatek_of_data mt6795_pwm_data = { + .num_pwms = 7, + .pwm45_fixup = false, + .has_ck_26m_sel = false, +}; + static const struct pwm_mediatek_of_data mt7622_pwm_data = { .num_pwms = 6, .pwm45_fixup = false, @@ -302,6 +331,7 @@ static const struct pwm_mediatek_of_data mt8516_pwm_data = { static const struct of_device_id pwm_mediatek_of_match[] = { { .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data }, + { .compatible = "mediatek,mt6795-pwm", .data = &mt6795_pwm_data }, { .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data }, { .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data }, { .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data }, |