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usb:gadget:s5p Enable the USB Gadget framework at Exynos4210 (C210 Universal) 

This commit enables support for USB Gadgets on the Exynos4210 (C210 Universal)
reference target.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
CC: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Lukasz Majewski 2011-12-15 10:32:12 +01:00 committed by Remy Bohmer
parent d70a560fd7
commit ddc7e541ae
4 changed files with 54 additions and 0 deletions
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1
arch/arm/include/asm/arch-exynos/cpu.h
View File

@ -46,6 +46,7 @@
#define EXYNOS4_ADC_BASE 0x13910000
#define EXYNOS4_PWMTIMER_BASE 0x139D0000
#define EXYNOS4_MODEM_BASE 0x13A00000
#define EXYNOS4_USBPHY_CONTROL 0x10020704
#ifndef __ASSEMBLY__
#include <asm/io.h>

48
board/samsung/universal_c210/universal.c
View File

@ -28,6 +28,9 @@
#include <asm/arch/gpio.h>
#include <asm/arch/mmc.h>
#include <pmic.h>
#include <usb/s3c_udc.h>
#include <asm/arch/cpu.h>
#include <max8998_pmic.h>
DECLARE_GLOBAL_DATA_PTR;
@ -253,3 +256,48 @@ int board_mmc_init(bd_t *bis)
}
#endif
#ifdef CONFIG_USB_GADGET
static int s5pc210_phy_control(int on)
{
int ret;
struct pmic *p = get_pmic();
if (pmic_probe(p))
return -1;
if (on) {
ret |= pmic_set_output(p,
MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
MAX8998_SAFEOUT1, LDO_ON);
ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
MAX8998_LDO3, LDO_ON);
ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
MAX8998_LDO8, LDO_ON);
} else {
ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
MAX8998_LDO8, LDO_OFF);
ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
MAX8998_LDO3, LDO_OFF);
ret |= pmic_set_output(p,
MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
MAX8998_SAFEOUT1, LDO_OFF);
}
if (ret) {
puts("MAX8998 LDO setting error!\n");
return -1;
}
return 0;
}
struct s3c_plat_otg_data s5pc210_otg_data = {
.phy_control = s5pc210_phy_control,
.regs_phy = EXYNOS4_USBPHY_BASE,
.regs_otg = EXYNOS4_USBOTG_BASE,
.usb_phy_ctrl = EXYNOS4_USBPHY_CONTROL,
.usb_flags = PHY0_SLEEP,
};
#endif

4
include/configs/s5pc210_universal.h
View File

@ -262,4 +262,8 @@
#define CONFIG_PMIC_I2C
#define CONFIG_PMIC_MAX8998
#define CONFIG_USB_GADGET
#define CONFIG_USB_GADGET_S3C_UDC_OTG
#define CONFIG_USB_GADGET_DUALSPEED
#endif /* __CONFIG_H */

1
include/max8998_pmic.h
View File

@ -76,6 +76,7 @@ enum {
#define MAX8998_LDO3 (1 << 2)
#define MAX8998_LDO8 (1 << 5)
#define MAX8998_SAFEOUT1 (1 << 4)
#define MAX8998_I2C_ADDR (0xCC >> 1)