GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-04-19 21:01:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

usb: host: xhci-rockchip: use fixed regulator to control vbus

Browse source 
Use fixed regulator to control the voltage of vbus. Enable vbus
supply when usb start and disable vbus supply when usb stop.

Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Meng Dongyang 2017-06-28 19:22:40 +08:00 • committed by Philipp Tomsich
parent e85f00abda
commit 26a8b80fac
1 changed files with 18 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
drivers/usb/host/xhci-rockchip.c
View file

@ -48,7 +48,7 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
*/ */
plat->hcd_base = devfdt_get_addr(dev); plat->hcd_base = devfdt_get_addr(dev);
if (plat->hcd_base == FDT_ADDR_T_NONE) { if (plat->hcd_base == FDT_ADDR_T_NONE) {
debug("Can't get the XHCI register base address\n"); error("Can't get the XHCI register base address\n");
return -ENXIO; return -ENXIO;
} }
@ -62,17 +62,15 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
} }
if (plat->phy_base == FDT_ADDR_T_NONE) { if (plat->phy_base == FDT_ADDR_T_NONE) {
debug("Can't get the usbphy register address\n"); error("Can't get the usbphy register address\n");
return -ENXIO; return -ENXIO;
} }
#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR)
/* Vbus regulator */ /* Vbus regulator */
ret = device_get_supply_regulator(dev, "vbus-supply", ret = device_get_supply_regulator(dev, "vbus-supply",
&plat->vbus_supply); &plat->vbus_supply);
if (ret) if (ret)
debug("Can't get vbus supply\n"); debug("Can't get VBus regulator!\n");
#endif
return 0; return 0;
} }
@ -121,7 +119,7 @@ static int rockchip_xhci_core_init(struct rockchip_xhci *rkxhci,
ret = dwc3_core_init(rkxhci->dwc3_reg); ret = dwc3_core_init(rkxhci->dwc3_reg);
if (ret) { if (ret) {
debug("failed to initialize core\n"); error("failed to initialize core\n");
return ret; return ret;
} }
@ -150,15 +148,17 @@ static int xhci_usb_probe(struct udevice *dev)
hcor = (struct xhci_hcor *)((uint64_t)ctx->hcd + hcor = (struct xhci_hcor *)((uint64_t)ctx->hcd +
HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase))); HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase)));
#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR) if (plat->vbus_supply) {
ret = regulator_set_enable(plat->vbus_supply, true); ret = regulator_set_enable(plat->vbus_supply, true);
if (ret) if (ret) {
debug("XHCI: Failed to enable vbus supply\n"); error("XHCI: failed to set VBus supply\n");
#endif return ret;
}
}
ret = rockchip_xhci_core_init(ctx, dev); ret = rockchip_xhci_core_init(ctx, dev);
if (ret) { if (ret) {
debug("XHCI: failed to initialize controller\n"); error("XHCI: failed to initialize controller\n");
return ret; return ret;
} }
@ -178,13 +178,13 @@ static int xhci_usb_remove(struct udevice *dev)
if (ret) if (ret)
return ret; return ret;
#if defined(CONFIG_DM_USB) && defined(CONFIG_DM_REGULATOR) if (plat->vbus_supply) {
ret = regulator_set_enable(plat->vbus_supply, false); ret = regulator_set_enable(plat->vbus_supply, false);
if (ret) if (ret)
debug("XHCI: Failed to disable vbus supply\n"); error("XHCI: failed to set VBus supply\n");
#endif }
return 0; return ret;
} }
static const struct udevice_id xhci_usb_ids[] = { static const struct udevice_id xhci_usb_ids[] = {