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

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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
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36
drivers/usb/host/xhci-rockchip.c
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@ -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[] = {