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authorArnaud Patard <arnaud.patard@rtp-net.org>2007-02-12 18:21:26 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-14 10:04:15 -0500
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 5af26e177966..68f11efdd140 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -33,10 +33,13 @@
33 33
34#include <asm/arch/regs-serial.h> 34#include <asm/arch/regs-serial.h>
35#include <asm/arch/regs-lcd.h> 35#include <asm/arch/regs-lcd.h>
36#include <asm/arch/regs-gpio.h>
37#include <asm/arch/regs-clock.h>
36 38
37#include <asm/arch/h1940.h> 39#include <asm/arch/h1940.h>
38#include <asm/arch/h1940-latch.h> 40#include <asm/arch/h1940-latch.h>
39#include <asm/arch/fb.h> 41#include <asm/arch/fb.h>
42#include <asm/arch/udc.h>
40 43
41#include <asm/plat-s3c24xx/clock.h> 44#include <asm/plat-s3c24xx/clock.h>
42#include <asm/plat-s3c24xx/devs.h> 45#include <asm/plat-s3c24xx/devs.h>
@@ -102,6 +105,32 @@ void h1940_latch_control(unsigned int clear, unsigned int set)
102 105
103EXPORT_SYMBOL_GPL(h1940_latch_control); 106EXPORT_SYMBOL_GPL(h1940_latch_control);
104 107
108static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
109{
110 printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
111
112 switch (cmd)
113 {
114 case S3C2410_UDC_P_ENABLE :
115 h1940_latch_control(0, H1940_LATCH_USB_DP);
116 break;
117 case S3C2410_UDC_P_DISABLE :
118 h1940_latch_control(H1940_LATCH_USB_DP, 0);
119 break;
120 case S3C2410_UDC_P_RESET :
121 break;
122 default:
123 break;
124 }
125}
126
127static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
128 .udc_command = h1940_udc_pullup,
129 .vbus_pin = S3C2410_GPG5,
130 .vbus_pin_inverted = 1,
131};
132
133
105 134
106/** 135/**
107 * Set lcd on or off 136 * Set lcd on or off
@@ -152,6 +181,7 @@ static struct platform_device *h1940_devices[] __initdata = {
152 &s3c_device_wdt, 181 &s3c_device_wdt,
153 &s3c_device_i2c, 182 &s3c_device_i2c,
154 &s3c_device_iis, 183 &s3c_device_iis,
184 &s3c_device_usbgadget,
155}; 185};
156 186
157static struct s3c24xx_board h1940_board __initdata = { 187static struct s3c24xx_board h1940_board __initdata = {
@@ -179,7 +209,23 @@ static void __init h1940_init_irq(void)
179 209
180static void __init h1940_init(void) 210static void __init h1940_init(void)
181{ 211{
212 u32 tmp;
213
182 s3c24xx_fb_set_platdata(&h1940_lcdcfg); 214 s3c24xx_fb_set_platdata(&h1940_lcdcfg);
215 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
216
217 /* Turn off suspend on both USB ports, and switch the
218 * selectable USB port to USB device mode. */
219
220 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
221 S3C2410_MISCCR_USBSUSPND0 |
222 S3C2410_MISCCR_USBSUSPND1, 0x0);
223
224 tmp = (
225 0x78 << S3C2410_PLLCON_MDIVSHIFT)
226 | (0x02 << S3C2410_PLLCON_PDIVSHIFT)
227 | (0x03 << S3C2410_PLLCON_SDIVSHIFT);
228 writel(tmp, S3C2410_UPLLCON);
183} 229}
184 230
185MACHINE_START(H1940, "IPAQ-H1940") 231MACHINE_START(H1940, "IPAQ-H1940")
@@ -189,6 +235,6 @@ MACHINE_START(H1940, "IPAQ-H1940")
189 .boot_params = S3C2410_SDRAM_PA + 0x100, 235 .boot_params = S3C2410_SDRAM_PA + 0x100,
190 .map_io = h1940_map_io, 236 .map_io = h1940_map_io,
191 .init_irq = h1940_init_irq, 237 .init_irq = h1940_init_irq,
192 .init_machine = h1940_init, 238 .init_machine = h1940_init,
193 .timer = &s3c24xx_timer, 239 .timer = &s3c24xx_timer,
194MACHINE_END 240MACHINE_END