diff options
| author | Al Cooper <al.cooper@broadcom.com> | 2017-12-27 20:28:50 +0100 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2017-12-29 08:30:35 +0100 |
| commit | cd6f769fdea7ff7d77a6cc97658c60ca0b836d0e (patch) | |
| tree | 85b77d00f196dd9e0b3a90c76dea4061120a08d9 /drivers | |
| parent | phy: phy-brcm-usb-init: Some Low Speed keyboards fail on 7271 (diff) | |
| download | linux-cd6f769fdea7ff7d77a6cc97658c60ca0b836d0e.tar.xz linux-cd6f769fdea7ff7d77a6cc97658c60ca0b836d0e.zip | |
phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled
Set PHY3_IDDQ_OVERRIDE in the xhci uninit routine. This will save
additional power when the XHCI driver is not enabled.
Fixes: 49859e55e364 ("phy: usb: phy-brcm-usb: Add Broadcom STB USB phy driver")
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/phy/broadcom/phy-brcm-usb-init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/phy/broadcom/phy-brcm-usb-init.c b/drivers/phy/broadcom/phy-brcm-usb-init.c index 69ea47945292..6672adcc5894 100644 --- a/drivers/phy/broadcom/phy-brcm-usb-init.c +++ b/drivers/phy/broadcom/phy-brcm-usb-init.c @@ -73,6 +73,7 @@ #define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */ #define USB_CTRL_USB30_PCTL 0x70 #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK 0x00000002 +#define USB_CTRL_USB30_PCTL_PHY3_IDDQ_OVERRIDE_MASK 0x00008000 #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK 0x00020000 #define USB_CTRL_USB_DEVICE_CTL1 0x90 #define USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK 0x00000003 /* option */ @@ -998,6 +999,7 @@ void brcm_usb_uninit_eohci(struct brcm_usb_init_params *params) void brcm_usb_uninit_xhci(struct brcm_usb_init_params *params) { brcmusb_xhci_soft_reset(params, 1); + USB_CTRL_SET(params->ctrl_regs, USB30_PCTL, PHY3_IDDQ_OVERRIDE); } void brcm_usb_set_family_map(struct brcm_usb_init_params *params) |