diff options
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/arch-s5pc1xx/gpio.h')
| -rw-r--r-- | roms/u-boot/arch/arm/include/asm/arch-s5pc1xx/gpio.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/arch-s5pc1xx/gpio.h b/roms/u-boot/arch/arm/include/asm/arch-s5pc1xx/gpio.h new file mode 100644 index 00000000..da8df74a --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/arch-s5pc1xx/gpio.h @@ -0,0 +1,188 @@ +/* + * (C) Copyright 2009 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#ifndef __ASSEMBLY__ +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 + +#define S5P_GPIO_PART_SHIFT (24) +#define S5P_GPIO_PART_MASK (0xff) +#define S5P_GPIO_BANK_SHIFT (8) +#define S5P_GPIO_BANK_MASK (0xffff) +#define S5P_GPIO_PIN_MASK (0xff) + +#define S5P_GPIO_SET_PART(x) \ + (((x) & S5P_GPIO_PART_MASK) << S5P_GPIO_PART_SHIFT) + +#define S5P_GPIO_GET_PART(x) \ + (((x) >> S5P_GPIO_PART_SHIFT) & S5P_GPIO_PART_MASK) + +#define S5P_GPIO_SET_PIN(x) \ + ((x) & S5P_GPIO_PIN_MASK) + +#define S5PC100_SET_BANK(bank) \ + (((unsigned)&(((struct s5pc100_gpio *) \ + S5PC100_GPIO_BASE)->bank) - S5PC100_GPIO_BASE) \ + & S5P_GPIO_BANK_MASK) << S5P_GPIO_BANK_SHIFT) + +#define S5PC110_SET_BANK(bank) \ + ((((unsigned)&(((struct s5pc110_gpio *) \ + S5PC110_GPIO_BASE)->bank) - S5PC110_GPIO_BASE) \ + & S5P_GPIO_BANK_MASK) << S5P_GPIO_BANK_SHIFT) + +#define s5pc100_gpio_get(bank, pin) \ + (S5P_GPIO_SET_PART(0) | \ + S5PC100_SET_BANK(bank) | \ + S5P_GPIO_SET_PIN(pin)) + +#define s5pc110_gpio_get(bank, pin) \ + (S5P_GPIO_SET_PART(0) | \ + S5PC110_SET_BANK(bank) | \ + S5P_GPIO_SET_PIN(pin)) + +static inline unsigned int s5p_gpio_base(int nr) +{ + return samsung_get_base_gpio(); +} +#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 + +#endif |