summaryrefslogtreecommitdiff
path: root/drivers/pwm/pwm-sun4i.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pwm/pwm-sun4i.c')
-rw-r--r--drivers/pwm/pwm-sun4i.c27
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);