MSM: Add USB support for MSM7x30

Add USB OTG, peripheral and host devices.  This patch also adds
usb_phy_clk which is required for resetting the PHY.  VBUS power up
and shutdown routines depends on PMIC module.  As PMIC driver is
unavailable, configure USB in peripheral only mode.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 05241df3f9b6..6f3b9735e970 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/smsc911x.h>
+#include <linux/usb/msm_hsusb.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -39,11 +40,26 @@
 
 extern struct sys_timer msm_timer;
 
+static int hsusb_phy_init_seq[] = {
+        0x30, 0x32,     /* Enable and set Pre-Emphasis Depth to 20% */
+        0x02, 0x36,     /* Disable CDR Auto Reset feature */
+        -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 = {
 #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
         &msm_device_uart2,
 #endif
         &msm_device_smd,
+        &msm_device_otg,
+        &msm_device_hsusb,
+        &msm_device_hsusb_host,
 };
 
 static void __init msm7x30_init_irq(void)
@@ -53,6 +69,10 @@ static void __init msm7x30_init_irq(void)
 
 static void __init msm7x30_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));
 }