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authorArnaud Patard <arnaud.patard@rtp-net.org>2007-02-13 00:21:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-14 15:04:15 +0000
commit71a9c4241278c8104ff30233b9247c0857c404d7 (patch)
tree98ea3c4ab5ba35e6db3463c519e2e278a4988d6c /arch
parent0dcfc328ccd1d475f10a33c0ccf10bda869d4a83 (diff)
[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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s3c2410/mach-h1940.c48
1 files changed, 47 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 5af26e17796..68f11efdd14 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -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