X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fpwm%2Fpwm-sun4i.c;fp=kernel%2Fdrivers%2Fpwm%2Fpwm-sun4i.c;h=67af9f62361fdc4b712c8adafbe4e331e32af9ae;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=cd9dde5630181d2bf353263b63b58614991b967f;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/pwm/pwm-sun4i.c b/kernel/drivers/pwm/pwm-sun4i.c
index cd9dde563..67af9f623 100644
--- a/kernel/drivers/pwm/pwm-sun4i.c
+++ b/kernel/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;
@@ -262,17 +263,37 @@ 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[] = {
 	{
 		.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);