diff options
| author | Arnaud Patard <arnaud.patard@rtp-net.org> | 2007-02-13 00:21:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-14 15:04:15 +0000 |
| commit | 71a9c4241278c8104ff30233b9247c0857c404d7 (patch) | |
| tree | 98ea3c4ab5ba35e6db3463c519e2e278a4988d6c /arch | |
| parent | 0dcfc328ccd1d475f10a33c0ccf10bda869d4a83 (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.c | 48 |
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 |