leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

usb: ehci-mx6: handle vbus-supply

Browse Source 
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>
This commit is contained in:
Peng Fan 2016-12-22 17:06:43 +08:00 committed by Marek Vasut
parent cccbddc38c
commit fcf9f9f97a
1 changed files with 27 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/usb/host/ehci-mx6.c
View File

@ -17,6 +17,7 @@
#include <asm/imx-common/iomux-v3.h> #include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/sys_proto.h> #include <asm/imx-common/sys_proto.h>
#include <dm.h> #include <dm.h>
#include <power/regulator.h>
#include "ehci.h" #include "ehci.h"
@ -388,6 +389,7 @@ int ehci_hcd_stop(int index)
struct ehci_mx6_priv_data { struct ehci_mx6_priv_data {
struct ehci_ctrl ctrl; struct ehci_ctrl ctrl;
struct usb_ehci *ehci; struct usb_ehci *ehci;
struct udevice *vbus_supply;
enum usb_init_type init_type; enum usb_init_type init_type;
int portnr; int portnr;
}; };
@ -403,7 +405,15 @@ static int mx6_init_after_reset(struct ehci_ctrl *dev)
if (ret) if (ret)
return 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) if (type == USB_INIT_DEVICE)
return 0; return 0;
@ -496,19 +506,33 @@ static int ehci_usb_probe(struct udevice *dev)
struct usb_platdata *plat = dev_get_platdata(dev); struct usb_platdata *plat = dev_get_platdata(dev);
struct usb_ehci *ehci = (struct usb_ehci *)dev_get_addr(dev); struct usb_ehci *ehci = (struct usb_ehci *)dev_get_addr(dev);
struct ehci_mx6_priv_data *priv = dev_get_priv(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_hccr *hccr;
struct ehci_hcor *hcor; struct ehci_hcor *hcor;
int ret; int ret;
priv->ehci = ehci; priv->ehci = ehci;
priv->portnr = dev->seq; 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); ret = ehci_mx6_common_init(ehci, priv->portnr);
if (ret) if (ret)
return 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) { if (priv->init_type == USB_INIT_HOST) {
setbits_le32(&ehci->usbmode, CM_HOST); setbits_le32(&ehci->usbmode, CM_HOST);