From: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Add support for SAM9X60's PWM controller.
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
drivers/pwm/pwm-atmel.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index 647d063562db..229cedb02770 100644
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -52,6 +52,8 @@
/* Only the LSB 16 bits are significant. */
#define PWM_MAXV1_PRD 0xFFFF
+/* All 32 bits are significant. */
+#define PWM_MAXV2_PRD 0xFFFFFFFF
#define PRD_MAXV1_PRES 10
struct atmel_pwm_registers {
@@ -311,6 +313,20 @@ static const struct atmel_pwm_data atmel_pwm_data_v2 = {
},
};
+static const struct atmel_pwm_data atmel_pwm_data_v3 = {
+ .regs = {
+ .period = PWMV1_CPRD,
+ .period_upd = PWMV1_CUPD,
+ .duty = PWMV1_CDTY,
+ .duty_upd = PWMV1_CUPD,
+ },
+ .cfg = {
+ /* 32 bits to keep period and duty. */
+ .max_period = PWM_MAXV2_PRD,
+ .max_pres = PRD_MAXV1_PRES,
+ },
+};
+
static const struct platform_device_id atmel_pwm_devtypes[] = {
{
.name = "at91sam9rl-pwm",
@@ -335,6 +351,9 @@ static const struct of_device_id atmel_pwm_dt_ids[] = {
.compatible = "atmel,sama5d2-pwm",
.data = &atmel_pwm_data_v2,
}, {
+ .compatible = "microchip,sam9x60-pwm",
+ .data = &atmel_pwm_data_v3,
+ }, {
/* sentinel */
},
};
--
2.7.4
