This commit is enabling support for USB Gadgets support at GONI 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 --- arch/arm/include/asm/arch-s5pc1xx/cpu.h | 4 ++ arch/arm/include/asm/arch-s5pc1xx/hs_otg.h | 32 ++++++++++++ board/samsung/goni/goni.c | 71 ++++++++++++++++++++++++++++ include/configs/s5p_goni.h | 4 ++ 4 files changed, 111 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/asm/arch-s5pc1xx/hs_otg.h
diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h index e74959f..e699fc4 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h +++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h @@ -55,6 +55,10 @@ #define S5PC110_VIC1_BASE 0xF2100000 #define S5PC110_VIC2_BASE 0xF2200000 #define S5PC110_VIC3_BASE 0xF2300000 +#define S5PC110_OTG_BASE 0xEC000000 +#define S5PC110_PHY_BASE 0xEC100000 +#define S5PC110_USB_PHY_CONTROL 0xE010E80C +
#ifndef __ASSEMBLY__ #include <asm/io.h> diff --git a/arch/arm/include/asm/arch-s5pc1xx/hs_otg.h b/arch/arm/include/asm/arch-s5pc1xx/hs_otg.h new file mode 100644 index 0000000..d68db04 --- /dev/null +++ b/arch/arm/include/asm/arch-s5pc1xx/hs_otg.h @@ -0,0 +1,32 @@ +/* + * (C) Copyright 2009 SAMSUNG Electronics + * Minkyu Kang mk7.kang@samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ASM_ARCH_HSOTG_H_ +#define __ASM_ARCH_HSOTG_H_ + +#ifndef __ASSEMBLY__ +struct s3c_plat_otg_data { + int (*phy_control)(int on); + unsigned int regs_phy; + unsigned int regs_otg; +}; + +#endif /* __ASSEMBLY__ */ +#endif diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c index dbbd7ed..2935bd7 100644 --- a/board/samsung/goni/goni.c +++ b/board/samsung/goni/goni.c @@ -26,6 +26,8 @@ #include <common.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> +#include <asm/arch/hs_otg.h> +#include <asm/arch/cpu.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -149,3 +151,72 @@ inline void gpio_set_value(int nr, int value) s5p_gpio_get_pin(nr), value); } #endif + +#ifdef CONFIG_USB_GADGET + +static int max8998_probe(void) +{ + unsigned char addr = 0xCC >> 1; + + i2c_set_bus_num(I2C_PMIC); + + if (i2c_probe(addr)) { + puts("Can't found max8998\n"); + return 1; + } + + return 0; +} + +#define MAX8998_REG_ONOFF1 0x11 +#define MAX8998_REG_ONOFF2 0x12 +#define MAX8998_LDO3 (1 << 2) +#define MAX8998_LDO8 (1 << 5) + +enum { LDO_OFF, LDO_ON }; + +inline void max8998_set_ldo(unsigned int reg, unsigned char ldo, int on) +{ + unsigned char addr; + unsigned char val[2]; + + addr = 0xCC >> 1; /* max8998 */ + + i2c_read(addr, reg, 1, val, 1); + if (on) + val[0] |= ldo; + else + val[0] &= ~ldo; + + i2c_write(addr, reg, 1, val, 1); + printf("MAX ONOFF1: val[0]:0x%x val[1]:0x%x\n", val[0], val[1]); +} + +static int s5pc1xx_phy_control(int on) +{ + static int status; + + if (max8998_probe()) + return -1; + + if (on && !status) { + max8998_set_ldo(MAX8998_REG_ONOFF1, MAX8998_LDO3, LDO_ON); + max8998_set_ldo(MAX8998_REG_ONOFF2, MAX8998_LDO8, LDO_ON); + status = 1; + } else if (!on && status) { + max8998_set_ldo(MAX8998_REG_ONOFF1, MAX8998_LDO3, LDO_OFF); + max8998_set_ldo(MAX8998_REG_ONOFF2, MAX8998_LDO8, LDO_OFF); + status = 0; + } + udelay(10000); + + return 0; +} + + +struct s3c_plat_otg_data s5pc110_otg_data = { + .phy_control = s5pc1xx_phy_control, + .regs_phy = S5PC110_PHY_BASE, + .regs_otg = S5PC110_OTG_BASE, +}; +#endif diff --git a/include/configs/s5p_goni.h b/include/configs/s5p_goni.h index ee87927..a47d0b4 100644 --- a/include/configs/s5p_goni.h +++ b/include/configs/s5p_goni.h @@ -237,4 +237,8 @@ #define CONFIG_SYS_I2C_SPEED 50000 #define CONFIG_I2C_MULTI_BUS #define CONFIG_SYS_MAX_I2C_BUS 7 +#define CONFIG_USB_GADGET 1 +#define CONFIG_USB_GADGET_S3C_UDC_OTG 1 +#define CONFIG_USB_GADGET_DUALSPEED 1 + #endif /* __CONFIG_H */