diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index 026696970d7797924fdba501b9c06283c27bc7c4..f3dcd02390f1b5da7d9cf43d3b053d3e6840bc0f 100644
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -307,7 +307,7 @@ static int atmel_tcb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 		i = slowclk;
 		rate = 32768;
 		min = div_u64(NSEC_PER_SEC, rate);
-		max = min << 16;
+		max = min << tc->tcb_config->counter_width;
 
 		/* If period is too big return ERANGE error */
 		if (max < period_ns)