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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>
This commit is contained in:
Peter Vasil 2020-04-28 18:41:50 +02:00 committed by Thierry Reding
parent 6f0841a819
commit 856c45d8c1
1 changed files with 9 additions and 0 deletions
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9
drivers/pwm/pwm-sun4i.c
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@ -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,