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/*
* (C) Copyright 2009-2010 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_COMMON_GPIO_H
#define __ASM_ARCH_COMMON_GPIO_H
#ifndef __ASSEMBLER__ /* FIXME: not needed (i hope)? */
#include <cpu/samsung/exynos5-common/cpu.h> /* FIXME: for S5PC110_GPIO_BASE */
struct s5p_gpio_bank {
unsigned int con;
unsigned int dat;
unsigned int pull;
unsigned int drv;
unsigned int pdn_con;
unsigned int pdn_pull;
unsigned char res1[8];
};
struct s5pc100_gpio {
struct s5p_gpio_bank a0;
struct s5p_gpio_bank a1;
struct s5p_gpio_bank b;
struct s5p_gpio_bank c;
struct s5p_gpio_bank d;
struct s5p_gpio_bank e0;
struct s5p_gpio_bank e1;
struct s5p_gpio_bank f0;
struct s5p_gpio_bank f1;
struct s5p_gpio_bank f2;
struct s5p_gpio_bank f3;
struct s5p_gpio_bank g0;
struct s5p_gpio_bank g1;
struct s5p_gpio_bank g2;
struct s5p_gpio_bank g3;
struct s5p_gpio_bank i;
struct s5p_gpio_bank j0;
struct s5p_gpio_bank j1;
struct s5p_gpio_bank j2;
struct s5p_gpio_bank j3;
struct s5p_gpio_bank j4;
struct s5p_gpio_bank k0;
struct s5p_gpio_bank k1;
struct s5p_gpio_bank k2;
struct s5p_gpio_bank k3;
struct s5p_gpio_bank l0;
struct s5p_gpio_bank l1;
struct s5p_gpio_bank l2;
struct s5p_gpio_bank l3;
struct s5p_gpio_bank l4;
struct s5p_gpio_bank h0;
struct s5p_gpio_bank h1;
struct s5p_gpio_bank h2;
struct s5p_gpio_bank h3;
};
struct s5pc110_gpio {
struct s5p_gpio_bank a0;
struct s5p_gpio_bank a1;
struct s5p_gpio_bank b;
struct s5p_gpio_bank c0;
struct s5p_gpio_bank c1;
struct s5p_gpio_bank d0;
struct s5p_gpio_bank d1;
struct s5p_gpio_bank e0;
struct s5p_gpio_bank e1;
struct s5p_gpio_bank f0;
struct s5p_gpio_bank f1;
struct s5p_gpio_bank f2;
struct s5p_gpio_bank f3;
struct s5p_gpio_bank g0;
struct s5p_gpio_bank g1;
struct s5p_gpio_bank g2;
struct s5p_gpio_bank g3;
struct s5p_gpio_bank i;
struct s5p_gpio_bank j0;
struct s5p_gpio_bank j1;
struct s5p_gpio_bank j2;
struct s5p_gpio_bank j3;
struct s5p_gpio_bank j4;
struct s5p_gpio_bank mp0_1;
struct s5p_gpio_bank mp0_2;
struct s5p_gpio_bank mp0_3;
struct s5p_gpio_bank mp0_4;
struct s5p_gpio_bank mp0_5;
struct s5p_gpio_bank mp0_6;
struct s5p_gpio_bank mp0_7;
struct s5p_gpio_bank mp1_0;
struct s5p_gpio_bank mp1_1;
struct s5p_gpio_bank mp1_2;
struct s5p_gpio_bank mp1_3;
struct s5p_gpio_bank mp1_4;
struct s5p_gpio_bank mp1_5;
struct s5p_gpio_bank mp1_6;
struct s5p_gpio_bank mp1_7;
struct s5p_gpio_bank mp1_8;
struct s5p_gpio_bank mp2_0;
struct s5p_gpio_bank mp2_1;
struct s5p_gpio_bank mp2_2;
struct s5p_gpio_bank mp2_3;
struct s5p_gpio_bank mp2_4;
struct s5p_gpio_bank mp2_5;
struct s5p_gpio_bank mp2_6;
struct s5p_gpio_bank mp2_7;
struct s5p_gpio_bank mp2_8;
struct s5p_gpio_bank res1[48];
struct s5p_gpio_bank h0;
struct s5p_gpio_bank h1;
struct s5p_gpio_bank h2;
struct s5p_gpio_bank h3;
};
/* functions */
void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
/* GPIO pins per bank */
#define GPIO_PER_BANK 8
static inline unsigned int s5p_gpio_base(int nr)
{
return S5PC110_GPIO_BASE;
}
#define s5pc110_gpio_get_nr(bank, pin) \
((((((unsigned int)&(((struct s5pc110_gpio *)S5PC110_GPIO_BASE)->bank))\
- S5PC110_GPIO_BASE) / sizeof(struct s5p_gpio_bank)) \
* GPIO_PER_BANK) + pin)
#endif
/* Pin configurations */
#define GPIO_INPUT 0x0
#define GPIO_OUTPUT 0x1
#define GPIO_IRQ 0xf
#define GPIO_FUNC(x) (x)
/* Pull mode */
#define GPIO_PULL_NONE 0x0
#define GPIO_PULL_DOWN 0x1
#define GPIO_PULL_UP 0x2
/* Drive Strength level */
#define GPIO_DRV_1X 0x0
#define GPIO_DRV_3X 0x1
#define GPIO_DRV_2X 0x2
#define GPIO_DRV_4X 0x3
#define GPIO_DRV_FAST 0x0
#define GPIO_DRV_SLOW 0x1
#if 0
struct s5p_gpio_bank {
unsigned int con;
unsigned int dat;
unsigned int pull;
unsigned int drv;
unsigned int pdn_con;
unsigned int pdn_pull;
unsigned char res1[8];
};
/* functions */
void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
#endif
/* GPIO pins per bank */
#define GPIO_PER_BANK 8
/* Pin configurations */
#define EXYNOS_GPIO_INPUT 0x0
#define EXYNOS_GPIO_OUTPUT 0x1
#define EXYNOS_GPIO_IRQ 0xf
#define EXYNOS_GPIO_FUNC(x) (x)
/* Pull mode */
#define EXYNOS_GPIO_PULL_NONE 0x0
#define EXYNOS_GPIO_PULL_DOWN 0x1
#define EXYNOS_GPIO_PULL_UP 0x3
/* Drive Strength level */
#define EXYNOS_GPIO_DRV_1X 0x0
#define EXYNOS_GPIO_DRV_3X 0x1
#define EXYNOS_GPIO_DRV_2X 0x2
#define EXYNOS_GPIO_DRV_4X 0x3
#define EXYNOS_GPIO_DRV_FAST 0x0
#define EXYNOS_GPIO_DRV_SLOW 0x1
#define EXYNOS5_GPIO_BASE0 0x11400000
#define EXYNOS5_GPIO_BASE1 0x13400000
#define EXYNOS5_GPIO_BASE2 0x10d10000
#define EXYNOS5_GPIO_BASE3 0x03860000
enum exynos5_gpio_port {
/*
* Ordered by base address + offset.
* ETC registers are special, thus not included.
*/
/* base == EXYNOS_GPIO_BASE0 */
EXYNOS5_GPA0 = EXYNOS5_GPIO_BASE0 + 0x0000,
EXYNOS5_GPA1 = EXYNOS5_GPIO_BASE0 + 0x0020,
EXYNOS5_GPA2 = EXYNOS5_GPIO_BASE0 + 0x0040,
EXYNOS5_GPB0 = EXYNOS5_GPIO_BASE0 + 0x0060,
EXYNOS5_GPB1 = EXYNOS5_GPIO_BASE0 + 0x0080,
EXYNOS5_GPB2 = EXYNOS5_GPIO_BASE0 + 0x00a0,
EXYNOS5_GPB3 = EXYNOS5_GPIO_BASE0 + 0x00c0,
EXYNOS5_GPC0 = EXYNOS5_GPIO_BASE0 + 0x00e0,
EXYNOS5_GPC1 = EXYNOS5_GPIO_BASE0 + 0x0100,
EXYNOS5_GPC2 = EXYNOS5_GPIO_BASE0 + 0x0120,
EXYNOS5_GPC3 = EXYNOS5_GPIO_BASE0 + 0x0140,
EXYNOS5_GPD0 = EXYNOS5_GPIO_BASE0 + 0x0160,
EXYNOS5_GPD1 = EXYNOS5_GPIO_BASE0 + 0x0180,
EXYNOS5_GPY0 = EXYNOS5_GPIO_BASE0 + 0x01a0,
EXYNOS5_GPY1 = EXYNOS5_GPIO_BASE0 + 0x01c0,
EXYNOS5_GPY2 = EXYNOS5_GPIO_BASE0 + 0x01e0,
EXYNOS5_GPY3 = EXYNOS5_GPIO_BASE0 + 0x0200,
EXYNOS5_GPY4 = EXYNOS5_GPIO_BASE0 + 0x0220,
EXYNOS5_GPY5 = EXYNOS5_GPIO_BASE0 + 0x0240,
EXYNOS5_GPY6 = EXYNOS5_GPIO_BASE0 + 0x0260,
EXYNOS5_GPX0 = EXYNOS5_GPIO_BASE0 + 0x0c00,
EXYNOS5_GPX1 = EXYNOS5_GPIO_BASE0 + 0x0c20,
EXYNOS5_GPX2 = EXYNOS5_GPIO_BASE0 + 0x0c40,
EXYNOS5_GPX3 = EXYNOS5_GPIO_BASE0 + 0x0c60,
/* base == EXYNOS_GPIO_BASE1 */
EXYNOS5_GPE0 = EXYNOS5_GPIO_BASE1 + 0x0000,
EXYNOS5_GPE1 = EXYNOS5_GPIO_BASE1 + 0x0020,
EXYNOS5_GPF0 = EXYNOS5_GPIO_BASE1 + 0x0040,
EXYNOS5_GPF1 = EXYNOS5_GPIO_BASE1 + 0x0060,
EXYNOS5_GPG0 = EXYNOS5_GPIO_BASE1 + 0x0080,
EXYNOS5_GPG1 = EXYNOS5_GPIO_BASE1 + 0x00a0,
EXYNOS5_GPG2 = EXYNOS5_GPIO_BASE1 + 0x00c0,
EXYNOS5_GPH0 = EXYNOS5_GPIO_BASE1 + 0x00e0,
EXYNOS5_GPH1 = EXYNOS5_GPIO_BASE1 + 0x0100,
/* base == EXYNOS_GPIO_BASE2 */
EXYNOS5_GPV0 = EXYNOS5_GPIO_BASE2 + 0x0000,
EXYNOS5_GPV1 = EXYNOS5_GPIO_BASE2 + 0x0020,
EXYNOS5_GPV2 = EXYNOS5_GPIO_BASE2 + 0x0060,
EXYNOS5_GPV3 = EXYNOS5_GPIO_BASE2 + 0x0080,
EXYNOS5_GPV4 = EXYNOS5_GPIO_BASE2 + 0x00c0,
/* base == EXYNOS_GPIO_BASE3 */
EXYNOS5_GPZ = EXYNOS5_GPIO_BASE3 + 0x0000,
};
#endif
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