From 7032d512cff979319f308e02223d0cf39b6e9a91 Mon Sep 17 00:00:00 2001 From: Pavankumar Kondeti Date: Wed, 8 Dec 2010 13:37:07 +0530 Subject: MSM: Add USB suport for QSD8x50 OTG driver takes care of putting hardware into low power mode. Hence make peripheral and host devices as children of OTG device and let runtime PM takes care of notifying peripheral and host state to OTG device. VBUS power up and shutdown routines are implemented by modem processor. As RPC infrastructure is not available, configure USB in peripheral only mode. Signed-off-by: Pavankumar Kondeti Signed-off-by: David Brown --- arch/arm/mach-msm/board-qsd8x50.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'arch/arm/mach-msm/board-qsd8x50.c') diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c index ed2af4ad97ed..2e8391307f55 100644 --- a/arch/arm/mach-msm/board-qsd8x50.c +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -74,9 +75,24 @@ static int __init msm_init_smc91x(void) } module_init(msm_init_smc91x); +static int hsusb_phy_init_seq[] = { + 0x08, 0x31, /* Increase HS Driver Amplitude */ + 0x20, 0x32, /* Enable and set Pre-Emphasis Depth to 10% */ + -1 +}; + +static struct msm_otg_platform_data msm_otg_pdata = { + .phy_init_seq = hsusb_phy_init_seq, + .mode = USB_PERIPHERAL, + .otg_control = OTG_PHY_CONTROL, +}; + static struct platform_device *devices[] __initdata = { &msm_device_uart3, &msm_device_smd, + &msm_device_otg, + &msm_device_hsusb, + &msm_device_hsusb_host, }; static void __init qsd8x50_map_io(void) @@ -93,6 +109,9 @@ static void __init qsd8x50_init_irq(void) static void __init qsd8x50_init(void) { + msm_device_otg.dev.platform_data = &msm_otg_pdata; + msm_device_hsusb.dev.parent = &msm_device_otg.dev; + msm_device_hsusb_host.dev.parent = &msm_device_otg.dev; platform_add_devices(devices, ARRAY_SIZE(devices)); } -- cgit v1.2.3-59-g8ed1b