pwm: sun4i: Support direct clock output on Allwinner A64

Allwinner A64 is capable of a direct clock output on PWM (see A64 User
Manual chapter 3.10). Add support for this in the sun4i PWM driver.

Signed-off-by: Peter Vasil <peter.vasil@gmail.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index 5c677c5..18fbbe3 100644 (file)
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -352,6 +352,12 @@ static const struct sun4i_pwm_data sun4i_pwm_single_bypass = {
        .npwm = 1,
 };
 
+static const struct sun4i_pwm_data sun50i_a64_pwm_data = {
+       .has_prescaler_bypass = true,
+       .has_direct_mod_clk_output = true,
+       .npwm = 1,
+};
+
 static const struct sun4i_pwm_data sun50i_h6_pwm_data = {
        .has_prescaler_bypass = true,
        .has_direct_mod_clk_output = true,
@@ -374,6 +380,9 @@ static const struct of_device_id sun4i_pwm_dt_ids[] = {
        }, {
                .compatible = "allwinner,sun8i-h3-pwm",
                .data = &sun4i_pwm_single_bypass,
+       }, {
+               .compatible = "allwinner,sun50i-a64-pwm",
+               .data = &sun50i_a64_pwm_data,
        }, {
                .compatible = "allwinner,sun50i-h6-pwm",
                .data = &sun50i_h6_pwm_data,