korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-18 09:44:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled

Browse Source 
Set PHY3_IDDQ_OVERRIDE in the xhci uninit routine. This will save
additional power when the XHCI driver is not enabled.

Fixes: 49859e55e3 ("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>
This commit is contained in:
Al Cooper 2017-12-27 14:28:50 -05:00 committed by Kishon Vijay Abraham I
parent 279a0cd0e0
commit cd6f769fde
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/phy/broadcom/phy-brcm-usb-init.c
View File

@ -73,6 +73,7 @@
#define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */ #define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */
#define USB_CTRL_USB30_PCTL 0x70 #define USB_CTRL_USB30_PCTL 0x70
#define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK 0x00000002 #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_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK 0x00020000
#define USB_CTRL_USB_DEVICE_CTL1 0x90 #define USB_CTRL_USB_DEVICE_CTL1 0x90
#define USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK 0x00000003 /* option */ #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) void brcm_usb_uninit_xhci(struct brcm_usb_init_params *params)
{ {
brcmusb_xhci_soft_reset(params, 1); 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) void brcm_usb_set_family_map(struct brcm_usb_init_params *params)