diff options
| author | Prashant Gaikwad <pgaikwad@nvidia.com> | 2011-03-24 13:05:50 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-03-28 23:49:54 -0700 |
| commit | bc77c5269f8c9616cc84be57245d3a993e65bc94 (patch) | |
| tree | b8140e84499b8f1e690dc0b2a9f8f89990605165 /arch | |
| parent | 66fa9abefccdc75f6feb283ac60acacd257dcc99 (diff) | |
ARM: tegra: whistler: power down usb3 on suspend
To turn off usb3 and usb3.emc clock, tegra-ehci.2 should be powered off
when bus is supended. Enable power_down_on_bus_suspend for usb3 (tegra-ehci.2).
Also added the platform data structure which is used when USB suspends.
Bug 807237
Change-Id: I9e975daeb2283bd811b2e32acda78b6fa0d9f2b4
Reviewed-on: http://git-master/r/24089
Tested-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/board-whistler.c | 21 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-whistler.h | 4 |
2 files changed, 23 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/board-whistler.c b/arch/arm/mach-tegra/board-whistler.c index de0ef59445fe..290fb32f009c 100644 --- a/arch/arm/mach-tegra/board-whistler.c +++ b/arch/arm/mach-tegra/board-whistler.c @@ -430,12 +430,27 @@ static int __init whistler_scroll_init(void) return 0; } +static struct usb_phy_plat_data tegra_usb_phy_pdata[] = { + [0] = { + .instance = 0, + .vbus_irq = MAX8907C_INT_BASE + MAX8907C_IRQ_VCHG_DC_R, + .vbus_gpio = TEGRA_GPIO_PN6, + }, + [1] = { + .instance = 1, + .vbus_gpio = -1, + }, + [2] = { + .instance = 2, + .vbus_gpio = -1, + }, +}; static struct tegra_ehci_platform_data tegra_ehci_pdata[] = { [0] = { .phy_config = &utmi_phy_config[0], .operating_mode = TEGRA_USB_HOST, - .power_down_on_bus_suspend = 0, + .power_down_on_bus_suspend = 1, }, [1] = { .phy_config = &ulpi_phy_config, @@ -445,7 +460,7 @@ static struct tegra_ehci_platform_data tegra_ehci_pdata[] = { [2] = { .phy_config = &utmi_phy_config[1], .operating_mode = TEGRA_USB_HOST, - .power_down_on_bus_suspend = 0, + .power_down_on_bus_suspend = 1, }, }; @@ -504,6 +519,8 @@ static struct tegra_otg_platform_data tegra_otg_pdata = { static void whistler_usb_init(void) { + tegra_usb_phy_init(tegra_usb_phy_pdata, ARRAY_SIZE(tegra_usb_phy_pdata)); + tegra_otg_device.dev.platform_data = &tegra_otg_pdata; platform_device_register(&tegra_otg_device); diff --git a/arch/arm/mach-tegra/board-whistler.h b/arch/arm/mach-tegra/board-whistler.h index adaa98e1029b..c8d2f7b87d69 100644 --- a/arch/arm/mach-tegra/board-whistler.h +++ b/arch/arm/mach-tegra/board-whistler.h @@ -26,4 +26,8 @@ int whistler_sensors_init(void); int whistler_baseband_init(void); int whistler_emc_init(void); +/* Interrupt numbers from external peripherals */ +#define MAX8907C_INT_BASE TEGRA_NR_IRQS +#define MAX8907C_INT_END (MAX8907C_INT_BASE + 32) + #endif |