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>
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 05241df..6f3b973 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(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));
}