diff options
| author | Peng Fan <peng.fan@nxp.com> | 2016-12-22 17:06:43 +0800 |
|---|---|---|
| committer | Marek Vasut <marek.vasut@gmail.com> | 2017-01-17 10:26:32 +0100 |
| commit | fcf9f9f97acacba326cbb4ea53e1cb5456e4efab (patch) | |
| tree | b04fab6d06b7dc59575ab9710867ae3fbd8fef08 /drivers/usb/host/ehci-mx6.c | |
| parent | cccbddc38c431a0afd7fd0b3e1d48e5326610084 (diff) | |
usb: ehci-mx6: handle vbus-supply
Drop board_ehci_power when dm usb used and switch to use
regulator api to handle vbus.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers/usb/host/ehci-mx6.c')
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 18b7fc3c95..7b309b7b96 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -17,6 +17,7 @@ #include <asm/imx-common/iomux-v3.h> #include <asm/imx-common/sys_proto.h> #include <dm.h> +#include <power/regulator.h> #include "ehci.h" @@ -388,6 +389,7 @@ int ehci_hcd_stop(int index) struct ehci_mx6_priv_data { struct ehci_ctrl ctrl; struct usb_ehci *ehci; + struct udevice *vbus_supply; enum usb_init_type init_type; int portnr; }; @@ -403,7 +405,15 @@ static int mx6_init_after_reset(struct ehci_ctrl *dev) if (ret) return ret; - board_ehci_power(priv->portnr, (type == USB_INIT_DEVICE) ? 0 : 1); + if (priv->vbus_supply) { + ret = regulator_set_enable(priv->vbus_supply, + (type == USB_INIT_DEVICE) ? + false : true); + if (ret) { + puts("Error enabling VBUS supply\n"); + return ret; + } + } if (type == USB_INIT_DEVICE) return 0; @@ -496,19 +506,33 @@ static int ehci_usb_probe(struct udevice *dev) struct usb_platdata *plat = dev_get_platdata(dev); struct usb_ehci *ehci = (struct usb_ehci *)dev_get_addr(dev); struct ehci_mx6_priv_data *priv = dev_get_priv(dev); + enum usb_init_type type = plat->init_type; struct ehci_hccr *hccr; struct ehci_hcor *hcor; int ret; priv->ehci = ehci; priv->portnr = dev->seq; - priv->init_type = plat->init_type; + priv->init_type = type; + + ret = device_get_supply_regulator(dev, "vbus-supply", + &priv->vbus_supply); + if (ret) + debug("%s: No vbus supply\n", dev->name); ret = ehci_mx6_common_init(ehci, priv->portnr); if (ret) return ret; - board_ehci_power(priv->portnr, (priv->init_type == USB_INIT_DEVICE) ? 0 : 1); + if (priv->vbus_supply) { + ret = regulator_set_enable(priv->vbus_supply, + (type == USB_INIT_DEVICE) ? + false : true); + if (ret) { + puts("Error enabling VBUS supply\n"); + return ret; + } + } if (priv->init_type == USB_INIT_HOST) { setbits_le32(&ehci->usbmode, CM_HOST); |