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[ARM] 4174/1: H1940 usb device definitions 

This patch is adding the usb device controller to the h1940 device
list. It's also adding the code to handle the usb pull-ups.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Arnaud Patard 2007-02-13 00:21:26 +01:00 committed by Russell King
parent 0dcfc328cc
commit 71a9c42412
1 changed files with 47 additions and 1 deletions
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48
arch/arm/mach-s3c2410/mach-h1940.c
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@ -33,10 +33,13 @@
#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-lcd.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/regs-clock.h>
#include <asm/arch/h1940.h>
#include <asm/arch/h1940-latch.h>
#include <asm/arch/fb.h>
#include <asm/arch/udc.h>
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
@ -102,6 +105,32 @@ void h1940_latch_control(unsigned int clear, unsigned int set)
EXPORT_SYMBOL_GPL(h1940_latch_control);
static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
switch (cmd)
{
case S3C2410_UDC_P_ENABLE :
h1940_latch_control(0, H1940_LATCH_USB_DP);
break;
case S3C2410_UDC_P_DISABLE :
h1940_latch_control(H1940_LATCH_USB_DP, 0);
break;
case S3C2410_UDC_P_RESET :
break;
default:
break;
}
}
static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
.udc_command = h1940_udc_pullup,
.vbus_pin = S3C2410_GPG5,
.vbus_pin_inverted = 1,
};
/**
* Set lcd on or off
@ -152,6 +181,7 @@ static struct platform_device *h1940_devices[] __initdata = {
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
&s3c_device_usbgadget,
};
static struct s3c24xx_board h1940_board __initdata = {
@ -179,7 +209,23 @@ static void __init h1940_init_irq(void)
static void __init h1940_init(void)
{
u32 tmp;
s3c24xx_fb_set_platdata(&h1940_lcdcfg);
s3c24xx_udc_set_platdata(&h1940_udc_cfg);
/* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */
s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
tmp = (
0x78 << S3C2410_PLLCON_MDIVSHIFT)
| (0x02 << S3C2410_PLLCON_PDIVSHIFT)
| (0x03 << S3C2410_PLLCON_SDIVSHIFT);
writel(tmp, S3C2410_UPLLCON);
}
MACHINE_START(H1940, "IPAQ-H1940")
@ -189,6 +235,6 @@ MACHINE_START(H1940, "IPAQ-H1940")
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = h1940_map_io,
.init_irq = h1940_init_irq,
.init_machine = h1940_init,
.init_machine = h1940_init,
.timer = &s3c24xx_timer,
MACHINE_END