diff options
Diffstat (limited to 'drivers/pwm/pwm-sun4i.c')
| -rw-r--r-- | drivers/pwm/pwm-sun4i.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index cd9dde563..67af9f623 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -68,6 +68,7 @@ static const u32 prescaler_table[] = { struct sun4i_pwm_data { bool has_prescaler_bypass; bool has_rdy; + unsigned int npwm; }; struct sun4i_pwm_chip { @@ -114,7 +115,7 @@ static int sun4i_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, * is not an integer so round it half up instead of * truncating to get less surprising values. */ - div = clk_rate * period_ns + NSEC_PER_SEC/2; + div = clk_rate * period_ns + NSEC_PER_SEC / 2; do_div(div, NSEC_PER_SEC); if (div - 1 > PWM_PRD_MASK) prescaler = 0; @@ -262,11 +263,25 @@ static const struct pwm_ops sun4i_pwm_ops = { static const struct sun4i_pwm_data sun4i_pwm_data_a10 = { .has_prescaler_bypass = false, .has_rdy = false, + .npwm = 2, +}; + +static const struct sun4i_pwm_data sun4i_pwm_data_a10s = { + .has_prescaler_bypass = true, + .has_rdy = true, + .npwm = 2, +}; + +static const struct sun4i_pwm_data sun4i_pwm_data_a13 = { + .has_prescaler_bypass = true, + .has_rdy = true, + .npwm = 1, }; static const struct sun4i_pwm_data sun4i_pwm_data_a20 = { .has_prescaler_bypass = true, .has_rdy = true, + .npwm = 2, }; static const struct of_device_id sun4i_pwm_dt_ids[] = { @@ -274,6 +289,12 @@ static const struct of_device_id sun4i_pwm_dt_ids[] = { .compatible = "allwinner,sun4i-a10-pwm", .data = &sun4i_pwm_data_a10, }, { + .compatible = "allwinner,sun5i-a10s-pwm", + .data = &sun4i_pwm_data_a10s, + }, { + .compatible = "allwinner,sun5i-a13-pwm", + .data = &sun4i_pwm_data_a13, + }, { .compatible = "allwinner,sun7i-a20-pwm", .data = &sun4i_pwm_data_a20, }, { @@ -305,14 +326,14 @@ static int sun4i_pwm_probe(struct platform_device *pdev) if (IS_ERR(pwm->clk)) return PTR_ERR(pwm->clk); + pwm->data = match->data; pwm->chip.dev = &pdev->dev; pwm->chip.ops = &sun4i_pwm_ops; pwm->chip.base = -1; - pwm->chip.npwm = 2; + pwm->chip.npwm = pwm->data->npwm; pwm->chip.can_sleep = true; pwm->chip.of_xlate = of_pwm_xlate_with_flags; pwm->chip.of_pwm_n_cells = 3; - pwm->data = match->data; spin_lock_init(&pwm->ctrl_lock); |