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| author | Andrejs Cainikovs <Andrejs.Cainikovs@netmodule.com> | 2019-03-01 13:27:59 +0000 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2019-04-08 15:23:28 +0200 |
| commit | 31d4045d4be8263828689c7eb6ff4e72071ad5ce (patch) | |
| tree | bfd0da4f9491104ed8491da96463dae7e96afa20 | |
| parent | afbc31948a007e03d6a1282677aafc2208f45819 (diff) | |
| download | u-boot-31d4045d4be8263828689c7eb6ff4e72071ad5ce.tar.gz | |
net: dm: fec: Support phy-reset-post-delay property
As per Linux kernel DT binding doc:
- phy-reset-post-delay : Post reset delay in milliseconds. If present then
a delay of phy-reset-post-delay milliseconds will be observed after the
phy-reset-gpios has been toggled. Can be omitted thus no delay is
observed. Delay is in range of 1ms to 1000ms. Other delays are invalid.
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@netmodule.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
| -rw-r--r-- | drivers/net/fec_mxc.c | 11 | ||||
| -rw-r--r-- | drivers/net/fec_mxc.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index f991b40b38..84f010d805 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -1309,6 +1309,8 @@ static void fec_gpio_reset(struct fec_priv *priv) dm_gpio_set_value(&priv->phy_reset_gpio, 1); mdelay(priv->reset_delay); dm_gpio_set_value(&priv->phy_reset_gpio, 0); + if (priv->reset_post_delay) + mdelay(priv->reset_post_delay); } } #endif @@ -1468,6 +1470,15 @@ static int fecmxc_ofdata_to_platdata(struct udevice *dev) /* property value wrong, use default value */ priv->reset_delay = 1; } + + priv->reset_post_delay = dev_read_u32_default(dev, + "phy-reset-post-delay", + 0); + if (priv->reset_post_delay > 1000) { + printf("FEC MXC: phy reset post delay should be <= 1000ms\n"); + /* property value wrong, use default value */ + priv->reset_post_delay = 0; + } #endif return 0; diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h index e9a661f0a1..e5f2dd75c5 100644 --- a/drivers/net/fec_mxc.h +++ b/drivers/net/fec_mxc.h @@ -258,6 +258,7 @@ struct fec_priv { #ifdef CONFIG_DM_GPIO struct gpio_desc phy_reset_gpio; uint32_t reset_delay; + uint32_t reset_post_delay; #endif #ifdef CONFIG_DM_ETH u32 interface; |