diff options
author | Tom Rini <trini@konsulko.com> | 2017-05-10 17:40:11 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2017-05-10 17:40:11 -0400 |
commit | 1f5541c8818d3ecd243f9bbf58db9ea5f55a3195 (patch) | |
tree | 83053c0f224f8fe641550492e95818033e5af7e2 /drivers/pwm/rk_pwm.c | |
parent | 102d86552abc82818c22b39fdef4b3a280a60643 (diff) | |
parent | 2085de57f3928d72b27338f68d4250d1fb302d04 (diff) |
Merge git://git.denx.de/u-boot-rockchip
This adds a new firefly-rk3399 board, MIPI support for rk3399 and
rk3288, rk818 pmic support, mkimage improvements for rockchip and a few
other things.
Diffstat (limited to 'drivers/pwm/rk_pwm.c')
-rw-r--r-- | drivers/pwm/rk_pwm.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/pwm/rk_pwm.c b/drivers/pwm/rk_pwm.c index 9254f5bc397..f3b2f7615d2 100644 --- a/drivers/pwm/rk_pwm.c +++ b/drivers/pwm/rk_pwm.c @@ -21,8 +21,22 @@ DECLARE_GLOBAL_DATA_PTR; struct rk_pwm_priv { struct rk3288_pwm *regs; ulong freq; + uint enable_conf; }; +static int rk_pwm_set_invert(struct udevice *dev, uint channel, bool polarity) +{ + struct rk_pwm_priv *priv = dev_get_priv(dev); + + debug("%s: polarity=%u\n", __func__, polarity); + if (polarity) + priv->enable_conf |= PWM_DUTY_NEGATIVE | PWM_INACTIVE_POSTIVE; + else + priv->enable_conf |= PWM_DUTY_POSTIVE | PWM_INACTIVE_NEGATIVE; + + return 0; +} + static int rk_pwm_set_config(struct udevice *dev, uint channel, uint period_ns, uint duty_ns) { @@ -32,7 +46,7 @@ static int rk_pwm_set_config(struct udevice *dev, uint channel, uint period_ns, debug("%s: period_ns=%u, duty_ns=%u\n", __func__, period_ns, duty_ns); writel(PWM_SEL_SRC_CLK | PWM_OUTPUT_LEFT | PWM_LP_DISABLE | - PWM_CONTINUOUS | PWM_DUTY_POSTIVE | PWM_INACTIVE_POSTIVE | + PWM_CONTINUOUS | priv->enable_conf | RK_PWM_DISABLE, ®s->ctrl); @@ -83,6 +97,7 @@ static int rk_pwm_probe(struct udevice *dev) } static const struct pwm_ops rk_pwm_ops = { + .set_invert = rk_pwm_set_invert, .set_config = rk_pwm_set_config, .set_enable = rk_pwm_set_enable, }; |