diff options
| author | wlf <wulf@rock-chips.com> | 2014-04-23 15:52:32 +0800 |
|---|---|---|
| committer | wlf <wulf@rock-chips.com> | 2014-04-23 15:52:32 +0800 |
| commit | d4cb6899acfe231372e72c2e8b0c4e8f5f9efe15 (patch) | |
| tree | 3f8cd333d004ca411056b51f940c997669d26986 /drivers/usb/dwc_otg_310/dwc_otg_driver.c | |
| parent | 93d866ae0c065f5597539c187440482440c3aa53 (diff) | |
USB: set SIDDQ to place USB PHY into a low power state.
Diffstat (limited to 'drivers/usb/dwc_otg_310/dwc_otg_driver.c')
| -rwxr-xr-x | drivers/usb/dwc_otg_310/dwc_otg_driver.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/drivers/usb/dwc_otg_310/dwc_otg_driver.c b/drivers/usb/dwc_otg_310/dwc_otg_driver.c index 49026c432d17..b3bf80e76133 100755 --- a/drivers/usb/dwc_otg_310/dwc_otg_driver.c +++ b/drivers/usb/dwc_otg_310/dwc_otg_driver.c @@ -1576,75 +1576,23 @@ static struct platform_driver dwc_otg_driver = { void rk_usb_power_up(void) { - struct dwc_otg_platform_data *pldata_otg; - struct dwc_otg_platform_data *pldata_host; - struct rkehci_platform_data *pldata_ehci; - if(cpu_is_rk3288()){ #ifdef CONFIG_RK_USB_UART /* enable USB bypass UART function */ writel_relaxed(0x00c00000 | usb_to_uart_status, RK_GRF_VIRT + RK3288_GRF_UOC0_CON3); #endif - /* unset siddq,the analog blocks are powered up */ -#ifdef CONFIG_USB20_OTG - if((pldata_otg = &usb20otg_pdata_rk3288)){ - if(pldata_otg->phy_status == USB_PHY_SUSPEND) - writel_relaxed((0x01<<13)<<16, RK_GRF_VIRT + RK3288_GRF_UOC0_CON0); - } -#endif -#ifdef CONFIG_USB20_HOST - if((pldata_host = &usb20host_pdata_rk3288)){ - if(pldata_host->phy_status == USB_PHY_SUSPEND) - writel_relaxed((0x01<<13)<<16, RK_GRF_VIRT + RK3288_GRF_UOC2_CON0); - } -#endif -#ifdef CONFIG_USB_EHCI_RK - if((pldata_ehci = &rkehci_pdata_rk3288)){ - if(pldata_ehci->phy_status == USB_PHY_SUSPEND) - writel_relaxed((0x01<<13)<<16, RK_GRF_VIRT + RK3288_GRF_UOC1_CON0); - } -#endif - } } void rk_usb_power_down(void) { - struct dwc_otg_platform_data *pldata_otg; - struct dwc_otg_platform_data *pldata_host; - struct rkehci_platform_data *pldata_ehci; - if(cpu_is_rk3288()){ #ifdef CONFIG_RK_USB_UART /* disable USB bypass UART function */ usb_to_uart_status = readl_relaxed(RK_GRF_VIRT + RK3288_GRF_UOC0_CON3); writel_relaxed(0x00c00000, RK_GRF_VIRT + RK3288_GRF_UOC0_CON3); #endif - /* set siddq,the analog blocks are powered down - * note: - * 1. Before asserting SIDDQ, ensure that VDATSRCENB0, - * VDATDETENB0, DCDENB0, BYPASSSEL0, ADPPRBENB0, - * and TESTBURNIN are set to 1'b0. - * 2. Before asserting SIDDQ, ensure that phy enter suspend.*/ -#ifdef CONFIG_USB20_OTG - if((pldata_otg = &usb20otg_pdata_rk3288)){ - if(pldata_otg->phy_status == USB_PHY_SUSPEND) - writel_relaxed((0x01<<13)|((0x01<<13)<<16), RK_GRF_VIRT + RK3288_GRF_UOC0_CON0); - } -#endif -#ifdef CONFIG_USB20_HOST - if((pldata_host = &usb20host_pdata_rk3288)){ - if(pldata_host->phy_status == USB_PHY_SUSPEND) - writel_relaxed((0x01<<13)|((0x01<<13)<<16), RK_GRF_VIRT + RK3288_GRF_UOC2_CON0); - } -#endif -#ifdef CONFIG_USB_EHCI_RK - if((pldata_ehci = &rkehci_pdata_rk3288)){ - if(pldata_ehci->phy_status == USB_PHY_SUSPEND) - writel_relaxed((0x01<<13)|((0x01<<13)<<16), RK_GRF_VIRT + RK3288_GRF_UOC1_CON0); - } -#endif } } |