1fe1b4db0SIan Campbell /* 2fe1b4db0SIan Campbell * (C) Copyright 2007-2012 3fe1b4db0SIan Campbell * Allwinner Technology Co., Ltd. <www.allwinnertech.com> 4fe1b4db0SIan Campbell * Tom Cubie <tangliang@allwinnertech.com> 5fe1b4db0SIan Campbell * 6fe1b4db0SIan Campbell * SPDX-License-Identifier: GPL-2.0+ 7fe1b4db0SIan Campbell */ 8fe1b4db0SIan Campbell 9fe1b4db0SIan Campbell #ifndef _SUNXI_GPIO_H 10fe1b4db0SIan Campbell #define _SUNXI_GPIO_H 11fe1b4db0SIan Campbell 12fe1b4db0SIan Campbell #include <linux/types.h> 13e373aad3SHans de Goede #include <asm/arch/cpu.h> 14fe1b4db0SIan Campbell 15fe1b4db0SIan Campbell /* 16fe1b4db0SIan Campbell * sunxi has 9 banks of gpio, they are: 17fe1b4db0SIan Campbell * PA0 - PA17 | PB0 - PB23 | PC0 - PC24 18fe1b4db0SIan Campbell * PD0 - PD27 | PE0 - PE31 | PF0 - PF5 19fe1b4db0SIan Campbell * PG0 - PG9 | PH0 - PH27 | PI0 - PI12 20fe1b4db0SIan Campbell */ 21fe1b4db0SIan Campbell 22fe1b4db0SIan Campbell #define SUNXI_GPIO_A 0 23fe1b4db0SIan Campbell #define SUNXI_GPIO_B 1 24fe1b4db0SIan Campbell #define SUNXI_GPIO_C 2 25fe1b4db0SIan Campbell #define SUNXI_GPIO_D 3 26fe1b4db0SIan Campbell #define SUNXI_GPIO_E 4 27fe1b4db0SIan Campbell #define SUNXI_GPIO_F 5 28fe1b4db0SIan Campbell #define SUNXI_GPIO_G 6 29fe1b4db0SIan Campbell #define SUNXI_GPIO_H 7 30fe1b4db0SIan Campbell #define SUNXI_GPIO_I 8 31e373aad3SHans de Goede 32e373aad3SHans de Goede /* 33e373aad3SHans de Goede * This defines the number of GPIO banks for the _main_ GPIO controller. 34e373aad3SHans de Goede * You should fix up the padding in struct sunxi_gpio_reg below if you 35e373aad3SHans de Goede * change this. 36e373aad3SHans de Goede */ 37fe1b4db0SIan Campbell #define SUNXI_GPIO_BANKS 9 38fe1b4db0SIan Campbell 39e373aad3SHans de Goede /* 40e373aad3SHans de Goede * sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO) 41e373aad3SHans de Goede * at a different register offset. 42e373aad3SHans de Goede * 43e373aad3SHans de Goede * sun6i has 2 banks: 44e373aad3SHans de Goede * PL0 - PL8 | PM0 - PM7 45e373aad3SHans de Goede * 46e373aad3SHans de Goede * sun8i has 1 bank: 47e373aad3SHans de Goede * PL0 - PL11 48d35488c7SHans de Goede * 49d35488c7SHans de Goede * sun9i has 3 banks: 50d35488c7SHans de Goede * PL0 - PL9 | PM0 - PM15 | PN0 - PN1 51e373aad3SHans de Goede */ 52e373aad3SHans de Goede #define SUNXI_GPIO_L 11 53e373aad3SHans de Goede #define SUNXI_GPIO_M 12 54d35488c7SHans de Goede #define SUNXI_GPIO_N 13 55e373aad3SHans de Goede 56fe1b4db0SIan Campbell struct sunxi_gpio { 57fe1b4db0SIan Campbell u32 cfg[4]; 58fe1b4db0SIan Campbell u32 dat; 59fe1b4db0SIan Campbell u32 drv[2]; 60fe1b4db0SIan Campbell u32 pull[2]; 61fe1b4db0SIan Campbell }; 62fe1b4db0SIan Campbell 63fe1b4db0SIan Campbell /* gpio interrupt control */ 64fe1b4db0SIan Campbell struct sunxi_gpio_int { 65fe1b4db0SIan Campbell u32 cfg[3]; 66fe1b4db0SIan Campbell u32 ctl; 67fe1b4db0SIan Campbell u32 sta; 68fe1b4db0SIan Campbell u32 deb; /* interrupt debounce */ 69fe1b4db0SIan Campbell }; 70fe1b4db0SIan Campbell 71fe1b4db0SIan Campbell struct sunxi_gpio_reg { 72fe1b4db0SIan Campbell struct sunxi_gpio gpio_bank[SUNXI_GPIO_BANKS]; 73fe1b4db0SIan Campbell u8 res[0xbc]; 74fe1b4db0SIan Campbell struct sunxi_gpio_int gpio_int; 75fe1b4db0SIan Campbell }; 76fe1b4db0SIan Campbell 77e373aad3SHans de Goede #define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \ 78e373aad3SHans de Goede &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \ 79e373aad3SHans de Goede &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L]) 80fe1b4db0SIan Campbell 81fe1b4db0SIan Campbell #define GPIO_BANK(pin) ((pin) >> 5) 82fe1b4db0SIan Campbell #define GPIO_NUM(pin) ((pin) & 0x1f) 83fe1b4db0SIan Campbell 84fe1b4db0SIan Campbell #define GPIO_CFG_INDEX(pin) (((pin) & 0x1f) >> 3) 85fe1b4db0SIan Campbell #define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1f) & 0x7) << 2) 86fe1b4db0SIan Campbell 87fe1b4db0SIan Campbell #define GPIO_DRV_INDEX(pin) (((pin) & 0x1f) >> 4) 88fe1b4db0SIan Campbell #define GPIO_DRV_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1) 89fe1b4db0SIan Campbell 90fe1b4db0SIan Campbell #define GPIO_PULL_INDEX(pin) (((pin) & 0x1f) >> 4) 91fe1b4db0SIan Campbell #define GPIO_PULL_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1) 92fe1b4db0SIan Campbell 93fe1b4db0SIan Campbell /* GPIO bank sizes */ 94fe1b4db0SIan Campbell #define SUNXI_GPIO_A_NR 32 95fe1b4db0SIan Campbell #define SUNXI_GPIO_B_NR 32 96fe1b4db0SIan Campbell #define SUNXI_GPIO_C_NR 32 97fe1b4db0SIan Campbell #define SUNXI_GPIO_D_NR 32 98fe1b4db0SIan Campbell #define SUNXI_GPIO_E_NR 32 99fe1b4db0SIan Campbell #define SUNXI_GPIO_F_NR 32 100fe1b4db0SIan Campbell #define SUNXI_GPIO_G_NR 32 101fe1b4db0SIan Campbell #define SUNXI_GPIO_H_NR 32 102fe1b4db0SIan Campbell #define SUNXI_GPIO_I_NR 32 103e373aad3SHans de Goede #define SUNXI_GPIO_L_NR 32 104e373aad3SHans de Goede #define SUNXI_GPIO_M_NR 32 105fe1b4db0SIan Campbell 106fe1b4db0SIan Campbell #define SUNXI_GPIO_NEXT(__gpio) \ 107fe1b4db0SIan Campbell ((__gpio##_START) + (__gpio##_NR) + 0) 108fe1b4db0SIan Campbell 109fe1b4db0SIan Campbell enum sunxi_gpio_number { 110fe1b4db0SIan Campbell SUNXI_GPIO_A_START = 0, 111fe1b4db0SIan Campbell SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A), 112fe1b4db0SIan Campbell SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B), 113fe1b4db0SIan Campbell SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C), 114fe1b4db0SIan Campbell SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D), 115fe1b4db0SIan Campbell SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E), 116fe1b4db0SIan Campbell SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F), 117fe1b4db0SIan Campbell SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G), 118fe1b4db0SIan Campbell SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H), 119e373aad3SHans de Goede SUNXI_GPIO_L_START = 352, 120e373aad3SHans de Goede SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L), 121d35488c7SHans de Goede SUNXI_GPIO_N_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_M), 1226c727e09SHans de Goede SUNXI_GPIO_AXP0_START = 1024, 123fe1b4db0SIan Campbell }; 124fe1b4db0SIan Campbell 125fe1b4db0SIan Campbell /* SUNXI GPIO number definitions */ 126fe1b4db0SIan Campbell #define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr)) 127fe1b4db0SIan Campbell #define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr)) 128fe1b4db0SIan Campbell #define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr)) 129fe1b4db0SIan Campbell #define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr)) 130fe1b4db0SIan Campbell #define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr)) 131fe1b4db0SIan Campbell #define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr)) 132fe1b4db0SIan Campbell #define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr)) 133fe1b4db0SIan Campbell #define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr)) 134fe1b4db0SIan Campbell #define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr)) 135e373aad3SHans de Goede #define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr)) 136e373aad3SHans de Goede #define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr)) 137d35488c7SHans de Goede #define SUNXI_GPN(_nr) (SUNXI_GPIO_N_START + (_nr)) 138fe1b4db0SIan Campbell 1396c727e09SHans de Goede #define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr)) 1406c727e09SHans de Goede 141fe1b4db0SIan Campbell /* GPIO pin function config */ 142fe1b4db0SIan Campbell #define SUNXI_GPIO_INPUT 0 143fe1b4db0SIan Campbell #define SUNXI_GPIO_OUTPUT 1 144fe1b4db0SIan Campbell 145487b3277SPaul Kocialkowski #define SUNXI_GPA_EMAC 2 146487b3277SPaul Kocialkowski #define SUN6I_GPA_GMAC 2 147487b3277SPaul Kocialkowski #define SUN7I_GPA_GMAC 5 1488deacca9SPaul Kocialkowski #define SUN6I_GPA_SDC2 5 1498deacca9SPaul Kocialkowski #define SUN6I_GPA_SDC3 4 150fe1b4db0SIan Campbell 1516c739c5dSPaul Kocialkowski #define SUN4I_GPB_TWI0 2 1526c739c5dSPaul Kocialkowski #define SUN4I_GPB_TWI1 2 1536c739c5dSPaul Kocialkowski #define SUN5I_GPB_TWI1 2 1546c739c5dSPaul Kocialkowski #define SUN4I_GPB_TWI2 2 1556c739c5dSPaul Kocialkowski #define SUN5I_GPB_TWI2 2 156487b3277SPaul Kocialkowski #define SUN4I_GPB_UART0 2 157487b3277SPaul Kocialkowski #define SUN5I_GPB_UART0 2 158fe1b4db0SIan Campbell 159487b3277SPaul Kocialkowski #define SUNXI_GPC_SDC2 3 1608deacca9SPaul Kocialkowski #define SUN6I_GPC_SDC3 4 161fe1b4db0SIan Campbell 1628deacca9SPaul Kocialkowski #define SUN8I_GPD_SDC1 3 163487b3277SPaul Kocialkowski #define SUNXI_GPD_LCD0 2 164487b3277SPaul Kocialkowski #define SUNXI_GPD_LVDS0 3 165fe1b4db0SIan Campbell 1668deacca9SPaul Kocialkowski #define SUN5I_GPE_SDC2 3 1676c739c5dSPaul Kocialkowski #define SUN8I_GPE_TWI2 3 1688deacca9SPaul Kocialkowski 169487b3277SPaul Kocialkowski #define SUNXI_GPF_SDC0 2 170487b3277SPaul Kocialkowski #define SUNXI_GPF_UART0 4 171487b3277SPaul Kocialkowski #define SUN8I_GPF_UART0 3 172fe1b4db0SIan Campbell 1738deacca9SPaul Kocialkowski #define SUN4I_GPG_SDC1 4 174487b3277SPaul Kocialkowski #define SUN5I_GPG_SDC1 2 1758deacca9SPaul Kocialkowski #define SUN6I_GPG_SDC1 2 1768deacca9SPaul Kocialkowski #define SUN8I_GPG_SDC1 2 1776c739c5dSPaul Kocialkowski #define SUN6I_GPG_TWI3 2 178487b3277SPaul Kocialkowski #define SUN5I_GPG_UART1 4 1792dae800fSHans de Goede 1808deacca9SPaul Kocialkowski #define SUN4I_GPH_SDC1 5 1816c739c5dSPaul Kocialkowski #define SUN6I_GPH_TWI0 2 1826c739c5dSPaul Kocialkowski #define SUN8I_GPH_TWI0 2 1836c739c5dSPaul Kocialkowski #define SUN6I_GPH_TWI1 2 1846c739c5dSPaul Kocialkowski #define SUN8I_GPH_TWI1 2 1856c739c5dSPaul Kocialkowski #define SUN6I_GPH_TWI2 2 186487b3277SPaul Kocialkowski #define SUN6I_GPH_UART0 2 187fe1b4db0SIan Campbell 1888deacca9SPaul Kocialkowski #define SUNXI_GPI_SDC3 2 1896c739c5dSPaul Kocialkowski #define SUN7I_GPI_TWI3 3 1906c739c5dSPaul Kocialkowski #define SUN7I_GPI_TWI4 3 191fe1b4db0SIan Campbell 192ce881076SHans de Goede #define SUN6I_GPL0_R_P2WI_SCK 3 193ce881076SHans de Goede #define SUN6I_GPL1_R_P2WI_SDA 3 1943b10e6ebSOliver Schinagl 195487b3277SPaul Kocialkowski #define SUN8I_GPL_R_RSB 2 196487b3277SPaul Kocialkowski #define SUN8I_GPL_R_UART 2 197c757a50bSChen-Yu Tsai 198487b3277SPaul Kocialkowski #define SUN9I_GPN_R_RSB 3 199d35488c7SHans de Goede 200fe1b4db0SIan Campbell /* GPIO pin pull-up/down config */ 201fe1b4db0SIan Campbell #define SUNXI_GPIO_PULL_DISABLE 0 202fe1b4db0SIan Campbell #define SUNXI_GPIO_PULL_UP 1 203fe1b4db0SIan Campbell #define SUNXI_GPIO_PULL_DOWN 2 204fe1b4db0SIan Campbell 205f7c7ab63SPaul Kocialkowski /* Virtual AXP0 GPIOs */ 206f7c7ab63SPaul Kocialkowski #define SUNXI_GPIO_AXP0_VBUS_DETECT 8 207f7c7ab63SPaul Kocialkowski #define SUNXI_GPIO_AXP0_VBUS_ENABLE 9 208f7c7ab63SPaul Kocialkowski 209bf38891aSSimon Glass void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val); 210bf38891aSSimon Glass void sunxi_gpio_set_cfgpin(u32 pin, u32 val); 211bf38891aSSimon Glass int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset); 212fe1b4db0SIan Campbell int sunxi_gpio_get_cfgpin(u32 pin); 213fe1b4db0SIan Campbell int sunxi_gpio_set_drv(u32 pin, u32 val); 214fe1b4db0SIan Campbell int sunxi_gpio_set_pull(u32 pin, u32 val); 2158deacca9SPaul Kocialkowski int sunxi_name_to_gpio_bank(const char *name); 216abce2c62SIan Campbell int sunxi_name_to_gpio(const char *name); 217abce2c62SIan Campbell #define name_to_gpio(name) sunxi_name_to_gpio(name) 218fe1b4db0SIan Campbell 219*2fcf033dSHans de Goede #if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO 220*2fcf033dSHans de Goede int axp_gpio_init(void); 221*2fcf033dSHans de Goede #else 222*2fcf033dSHans de Goede static inline int axp_gpio_init(void) { return 0; } 223*2fcf033dSHans de Goede #endif 224*2fcf033dSHans de Goede 225*2fcf033dSHans de Goede struct udevice; 226*2fcf033dSHans de Goede 227*2fcf033dSHans de Goede int axp_gpio_direction_input(struct udevice *dev, unsigned offset); 228*2fcf033dSHans de Goede int axp_gpio_direction_output(struct udevice *dev, unsigned offset, int val); 229*2fcf033dSHans de Goede int axp_gpio_get_value(struct udevice *dev, unsigned offset); 230*2fcf033dSHans de Goede int axp_gpio_set_value(struct udevice *dev, unsigned offset, int val); 231*2fcf033dSHans de Goede 232fe1b4db0SIan Campbell #endif /* _SUNXI_GPIO_H */ 233