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 --- /checkpatch.pl - total: 0 errors, 0 warnings, 74 lines checked --- arch/arm/include/asm/arch-exynos/cpu.h | 3 ++ board/samsung/universal_c210/universal.c | 48 ++++++++++++++++++++++++++++++ include/configs/s5pc210_universal.h | 4 ++ 3 files changed, 55 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index 4464d27..693ac37 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -46,6 +46,9 @@ #define EXYNOS4_ADC_BASE 0x13910000 #define EXYNOS4_PWMTIMER_BASE 0x139D0000 #define EXYNOS4_MODEM_BASE 0x13A00000 +#define EXYNOS4_OTG_BASE 0x12480000 +#define EXYNOS4_PHY_BASE 0x125B0000 +#define EXYNOS4_USB_PHY_CONTROL 0x10020704
#ifndef __ASSEMBLY__ #include <asm/io.h> diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c index f9b8a76..77813e8 100644 --- a/board/samsung/universal_c210/universal.c +++ b/board/samsung/universal_c210/universal.c @@ -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; + static int status; + struct pmic *p = get_pmic(); + + if (pmic_probe(p)) + return -1; + + if (on && !status) { + ret = pmic_set_output(p, MAX8998_REG_ONOFF1, + MAX8998_LDO3, LDO_ON); + ret = pmic_set_output(p, MAX8998_REG_ONOFF2, + MAX8998_LDO8, LDO_ON); + if (ret) { + puts("MAX8998 LDO setting error!\n"); + return -1; + } + status = 1; + } else if (!on && status) { + ret = pmic_set_output(p, MAX8998_REG_ONOFF1, + MAX8998_LDO3, LDO_OFF); + ret = pmic_set_output(p, MAX8998_REG_ONOFF2, + MAX8998_LDO8, LDO_OFF); + if (ret) { + puts("MAX8998 LDO setting error!\n"); + return -1; + } + status = 0; + } + udelay(10000); + + return 0; +} + +struct s3c_plat_otg_data s5pc210_otg_data = { + .phy_control = s5pc210_phy_control, + .regs_phy = EXYNOS4_PHY_BASE, + .regs_otg = EXYNOS4_OTG_BASE, + .usb_phy_ctrl = EXYNOS4_USB_PHY_CONTROL, + .usb_flags = PHY0_SLEEP, +}; +#endif diff --git a/include/configs/s5pc210_universal.h b/include/configs/s5pc210_universal.h index b36ad3a..be000cb 100644 --- a/include/configs/s5pc210_universal.h +++ b/include/configs/s5pc210_universal.h @@ -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 */