1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 2fe1b4db0SIan Campbell /* 3fe1b4db0SIan Campbell * (C) Copyright 2007-2012 4fe1b4db0SIan Campbell * Allwinner Technology Co., Ltd. <www.allwinnertech.com> 5fe1b4db0SIan Campbell * Tom Cubie <tangliang@allwinnertech.com> 6fe1b4db0SIan Campbell */ 7fe1b4db0SIan Campbell 8fe1b4db0SIan Campbell #ifndef _SUNXI_GPIO_H 9fe1b4db0SIan Campbell #define _SUNXI_GPIO_H 10fe1b4db0SIan Campbell 11fe1b4db0SIan Campbell #include <linux/types.h> 12e373aad3SHans de Goede #include <asm/arch/cpu.h> 13fe1b4db0SIan Campbell 14fe1b4db0SIan Campbell /* 15fe1b4db0SIan Campbell * sunxi has 9 banks of gpio, they are: 16fe1b4db0SIan Campbell * PA0 - PA17 | PB0 - PB23 | PC0 - PC24 17fe1b4db0SIan Campbell * PD0 - PD27 | PE0 - PE31 | PF0 - PF5 18fe1b4db0SIan Campbell * PG0 - PG9 | PH0 - PH27 | PI0 - PI12 19fe1b4db0SIan Campbell */ 20fe1b4db0SIan Campbell 21fe1b4db0SIan Campbell #define SUNXI_GPIO_A 0 22fe1b4db0SIan Campbell #define SUNXI_GPIO_B 1 23fe1b4db0SIan Campbell #define SUNXI_GPIO_C 2 24fe1b4db0SIan Campbell #define SUNXI_GPIO_D 3 25fe1b4db0SIan Campbell #define SUNXI_GPIO_E 4 26fe1b4db0SIan Campbell #define SUNXI_GPIO_F 5 27fe1b4db0SIan Campbell #define SUNXI_GPIO_G 6 28fe1b4db0SIan Campbell #define SUNXI_GPIO_H 7 29fe1b4db0SIan Campbell #define SUNXI_GPIO_I 8 30e373aad3SHans de Goede 31e373aad3SHans de Goede /* 32e373aad3SHans de Goede * This defines the number of GPIO banks for the _main_ GPIO controller. 33e373aad3SHans de Goede * You should fix up the padding in struct sunxi_gpio_reg below if you 34e373aad3SHans de Goede * change this. 35e373aad3SHans de Goede */ 36fe1b4db0SIan Campbell #define SUNXI_GPIO_BANKS 9 37fe1b4db0SIan Campbell 38e373aad3SHans de Goede /* 39e373aad3SHans de Goede * sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO) 40e373aad3SHans de Goede * at a different register offset. 41e373aad3SHans de Goede * 42e373aad3SHans de Goede * sun6i has 2 banks: 43e373aad3SHans de Goede * PL0 - PL8 | PM0 - PM7 44e373aad3SHans de Goede * 45e373aad3SHans de Goede * sun8i has 1 bank: 46e373aad3SHans de Goede * PL0 - PL11 47d35488c7SHans de Goede * 48d35488c7SHans de Goede * sun9i has 3 banks: 49d35488c7SHans de Goede * PL0 - PL9 | PM0 - PM15 | PN0 - PN1 50e373aad3SHans de Goede */ 51e373aad3SHans de Goede #define SUNXI_GPIO_L 11 52e373aad3SHans de Goede #define SUNXI_GPIO_M 12 53d35488c7SHans de Goede #define SUNXI_GPIO_N 13 54e373aad3SHans de Goede 55fe1b4db0SIan Campbell struct sunxi_gpio { 56fe1b4db0SIan Campbell u32 cfg[4]; 57fe1b4db0SIan Campbell u32 dat; 58fe1b4db0SIan Campbell u32 drv[2]; 59fe1b4db0SIan Campbell u32 pull[2]; 60fe1b4db0SIan Campbell }; 61fe1b4db0SIan Campbell 62fe1b4db0SIan Campbell /* gpio interrupt control */ 63fe1b4db0SIan Campbell struct sunxi_gpio_int { 64fe1b4db0SIan Campbell u32 cfg[3]; 65fe1b4db0SIan Campbell u32 ctl; 66fe1b4db0SIan Campbell u32 sta; 67fe1b4db0SIan Campbell u32 deb; /* interrupt debounce */ 68fe1b4db0SIan Campbell }; 69fe1b4db0SIan Campbell 70fe1b4db0SIan Campbell struct sunxi_gpio_reg { 71fe1b4db0SIan Campbell struct sunxi_gpio gpio_bank[SUNXI_GPIO_BANKS]; 72fe1b4db0SIan Campbell u8 res[0xbc]; 73fe1b4db0SIan Campbell struct sunxi_gpio_int gpio_int; 74fe1b4db0SIan Campbell }; 75fe1b4db0SIan Campbell 76e373aad3SHans de Goede #define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \ 77e373aad3SHans de Goede &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \ 78e373aad3SHans de Goede &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L]) 79fe1b4db0SIan Campbell 80fe1b4db0SIan Campbell #define GPIO_BANK(pin) ((pin) >> 5) 81fe1b4db0SIan Campbell #define GPIO_NUM(pin) ((pin) & 0x1f) 82fe1b4db0SIan Campbell 83fe1b4db0SIan Campbell #define GPIO_CFG_INDEX(pin) (((pin) & 0x1f) >> 3) 84fe1b4db0SIan Campbell #define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1f) & 0x7) << 2) 85fe1b4db0SIan Campbell 86fe1b4db0SIan Campbell #define GPIO_DRV_INDEX(pin) (((pin) & 0x1f) >> 4) 87fe1b4db0SIan Campbell #define GPIO_DRV_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1) 88fe1b4db0SIan Campbell 89fe1b4db0SIan Campbell #define GPIO_PULL_INDEX(pin) (((pin) & 0x1f) >> 4) 90fe1b4db0SIan Campbell #define GPIO_PULL_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1) 91fe1b4db0SIan Campbell 92fe1b4db0SIan Campbell /* GPIO bank sizes */ 93fe1b4db0SIan Campbell #define SUNXI_GPIO_A_NR 32 94fe1b4db0SIan Campbell #define SUNXI_GPIO_B_NR 32 95fe1b4db0SIan Campbell #define SUNXI_GPIO_C_NR 32 96fe1b4db0SIan Campbell #define SUNXI_GPIO_D_NR 32 97fe1b4db0SIan Campbell #define SUNXI_GPIO_E_NR 32 98fe1b4db0SIan Campbell #define SUNXI_GPIO_F_NR 32 99fe1b4db0SIan Campbell #define SUNXI_GPIO_G_NR 32 100fe1b4db0SIan Campbell #define SUNXI_GPIO_H_NR 32 101fe1b4db0SIan Campbell #define SUNXI_GPIO_I_NR 32 102e373aad3SHans de Goede #define SUNXI_GPIO_L_NR 32 103e373aad3SHans de Goede #define SUNXI_GPIO_M_NR 32 104fe1b4db0SIan Campbell 105fe1b4db0SIan Campbell #define SUNXI_GPIO_NEXT(__gpio) \ 106fe1b4db0SIan Campbell ((__gpio##_START) + (__gpio##_NR) + 0) 107fe1b4db0SIan Campbell 108fe1b4db0SIan Campbell enum sunxi_gpio_number { 109fe1b4db0SIan Campbell SUNXI_GPIO_A_START = 0, 110fe1b4db0SIan Campbell SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A), 111fe1b4db0SIan Campbell SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B), 112fe1b4db0SIan Campbell SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C), 113fe1b4db0SIan Campbell SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D), 114fe1b4db0SIan Campbell SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E), 115fe1b4db0SIan Campbell SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F), 116fe1b4db0SIan Campbell SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G), 117fe1b4db0SIan Campbell SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H), 118e373aad3SHans de Goede SUNXI_GPIO_L_START = 352, 119e373aad3SHans de Goede SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L), 120d35488c7SHans de Goede SUNXI_GPIO_N_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_M), 1216c727e09SHans de Goede SUNXI_GPIO_AXP0_START = 1024, 122fe1b4db0SIan Campbell }; 123fe1b4db0SIan Campbell 124fe1b4db0SIan Campbell /* SUNXI GPIO number definitions */ 125fe1b4db0SIan Campbell #define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr)) 126fe1b4db0SIan Campbell #define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr)) 127fe1b4db0SIan Campbell #define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr)) 128fe1b4db0SIan Campbell #define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr)) 129fe1b4db0SIan Campbell #define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr)) 130fe1b4db0SIan Campbell #define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr)) 131fe1b4db0SIan Campbell #define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr)) 132fe1b4db0SIan Campbell #define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr)) 133fe1b4db0SIan Campbell #define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr)) 134e373aad3SHans de Goede #define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr)) 135e373aad3SHans de Goede #define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr)) 136d35488c7SHans de Goede #define SUNXI_GPN(_nr) (SUNXI_GPIO_N_START + (_nr)) 137fe1b4db0SIan Campbell 1386c727e09SHans de Goede #define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr)) 1396c727e09SHans de Goede 140fe1b4db0SIan Campbell /* GPIO pin function config */ 141fe1b4db0SIan Campbell #define SUNXI_GPIO_INPUT 0 142fe1b4db0SIan Campbell #define SUNXI_GPIO_OUTPUT 1 14319e99fb4SSiarhei Siamashka #define SUNXI_GPIO_DISABLE 7 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 1501c27b7dcSJens Kuske #define SUN8I_H3_GPA_UART0 2 151fe1b4db0SIan Campbell 152421c98d7SHans de Goede #define SUN4I_GPB_PWM 2 1536c739c5dSPaul Kocialkowski #define SUN4I_GPB_TWI0 2 1546c739c5dSPaul Kocialkowski #define SUN4I_GPB_TWI1 2 1556c739c5dSPaul Kocialkowski #define SUN5I_GPB_TWI1 2 1566c739c5dSPaul Kocialkowski #define SUN4I_GPB_TWI2 2 1576c739c5dSPaul Kocialkowski #define SUN5I_GPB_TWI2 2 158487b3277SPaul Kocialkowski #define SUN4I_GPB_UART0 2 159487b3277SPaul Kocialkowski #define SUN5I_GPB_UART0 2 1605cd83b11SLaurent Itti #define SUN8I_GPB_UART2 2 161e506889cSChen-Yu Tsai #define SUN8I_A33_GPB_UART0 3 162d5a3357fSvishnupatekar #define SUN8I_A83T_GPB_UART0 2 163c199489fSIcenowy Zheng #define SUN8I_V3S_GPB_UART0 3 164d96ebc46SSiarhei Siamashka #define SUN50I_GPB_UART0 4 165fe1b4db0SIan Campbell 166ad008299SKarol Gugala #define SUNXI_GPC_NAND 2 16719e99fb4SSiarhei Siamashka #define SUNXI_GPC_SPI0 3 168487b3277SPaul Kocialkowski #define SUNXI_GPC_SDC2 3 1698deacca9SPaul Kocialkowski #define SUN6I_GPC_SDC3 4 17019e99fb4SSiarhei Siamashka #define SUN50I_GPC_SPI0 4 171fe1b4db0SIan Campbell 1728deacca9SPaul Kocialkowski #define SUN8I_GPD_SDC1 3 173487b3277SPaul Kocialkowski #define SUNXI_GPD_LCD0 2 174487b3277SPaul Kocialkowski #define SUNXI_GPD_LVDS0 3 175fe1b4db0SIan Campbell 1768deacca9SPaul Kocialkowski #define SUN5I_GPE_SDC2 3 1776c739c5dSPaul Kocialkowski #define SUN8I_GPE_TWI2 3 1788deacca9SPaul Kocialkowski 179487b3277SPaul Kocialkowski #define SUNXI_GPF_SDC0 2 180487b3277SPaul Kocialkowski #define SUNXI_GPF_UART0 4 181487b3277SPaul Kocialkowski #define SUN8I_GPF_UART0 3 182fe1b4db0SIan Campbell 1838deacca9SPaul Kocialkowski #define SUN4I_GPG_SDC1 4 184487b3277SPaul Kocialkowski #define SUN5I_GPG_SDC1 2 1858deacca9SPaul Kocialkowski #define SUN6I_GPG_SDC1 2 1868deacca9SPaul Kocialkowski #define SUN8I_GPG_SDC1 2 1876c739c5dSPaul Kocialkowski #define SUN6I_GPG_TWI3 2 188487b3277SPaul Kocialkowski #define SUN5I_GPG_UART1 4 1892dae800fSHans de Goede 190421c98d7SHans de Goede #define SUN6I_GPH_PWM 2 191421c98d7SHans de Goede #define SUN8I_GPH_PWM 2 1928deacca9SPaul Kocialkowski #define SUN4I_GPH_SDC1 5 1936c739c5dSPaul Kocialkowski #define SUN6I_GPH_TWI0 2 1946c739c5dSPaul Kocialkowski #define SUN8I_GPH_TWI0 2 1956c739c5dSPaul Kocialkowski #define SUN6I_GPH_TWI1 2 1966c739c5dSPaul Kocialkowski #define SUN8I_GPH_TWI1 2 1976c739c5dSPaul Kocialkowski #define SUN6I_GPH_TWI2 2 198487b3277SPaul Kocialkowski #define SUN6I_GPH_UART0 2 1991871a8caSHans de Goede #define SUN9I_GPH_UART0 2 200fe1b4db0SIan Campbell 2018deacca9SPaul Kocialkowski #define SUNXI_GPI_SDC3 2 2026c739c5dSPaul Kocialkowski #define SUN7I_GPI_TWI3 3 2036c739c5dSPaul Kocialkowski #define SUN7I_GPI_TWI4 3 204fe1b4db0SIan Campbell 205ce881076SHans de Goede #define SUN6I_GPL0_R_P2WI_SCK 3 206ce881076SHans de Goede #define SUN6I_GPL1_R_P2WI_SDA 3 2073b10e6ebSOliver Schinagl 208487b3277SPaul Kocialkowski #define SUN8I_GPL_R_RSB 2 2099d082687SJelle van der Waa #define SUN8I_H3_GPL_R_TWI 2 2109d082687SJelle van der Waa #define SUN8I_A23_GPL_R_TWI 3 211487b3277SPaul Kocialkowski #define SUN8I_GPL_R_UART 2 212c757a50bSChen-Yu Tsai 213487b3277SPaul Kocialkowski #define SUN9I_GPN_R_RSB 3 214d35488c7SHans de Goede 215fe1b4db0SIan Campbell /* GPIO pin pull-up/down config */ 216fe1b4db0SIan Campbell #define SUNXI_GPIO_PULL_DISABLE 0 217fe1b4db0SIan Campbell #define SUNXI_GPIO_PULL_UP 1 218fe1b4db0SIan Campbell #define SUNXI_GPIO_PULL_DOWN 2 219fe1b4db0SIan Campbell 220f7c7ab63SPaul Kocialkowski /* Virtual AXP0 GPIOs */ 221f9b7a04bSHans de Goede #define SUNXI_GPIO_AXP0_PREFIX "AXP0-" 222f9b7a04bSHans de Goede #define SUNXI_GPIO_AXP0_VBUS_DETECT 4 223f9b7a04bSHans de Goede #define SUNXI_GPIO_AXP0_VBUS_ENABLE 5 224f9b7a04bSHans de Goede #define SUNXI_GPIO_AXP0_GPIO_COUNT 6 225f7c7ab63SPaul Kocialkowski 226bf38891aSSimon Glass void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val); 227bf38891aSSimon Glass void sunxi_gpio_set_cfgpin(u32 pin, u32 val); 228bf38891aSSimon Glass int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset); 229fe1b4db0SIan Campbell int sunxi_gpio_get_cfgpin(u32 pin); 230fe1b4db0SIan Campbell int sunxi_gpio_set_drv(u32 pin, u32 val); 231fe1b4db0SIan Campbell int sunxi_gpio_set_pull(u32 pin, u32 val); 2328deacca9SPaul Kocialkowski int sunxi_name_to_gpio_bank(const char *name); 233abce2c62SIan Campbell int sunxi_name_to_gpio(const char *name); 234abce2c62SIan Campbell #define name_to_gpio(name) sunxi_name_to_gpio(name) 235fe1b4db0SIan Campbell 2362fcf033dSHans de Goede #if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO 2372fcf033dSHans de Goede int axp_gpio_init(void); 2382fcf033dSHans de Goede #else 2392fcf033dSHans de Goede static inline int axp_gpio_init(void) { return 0; } 2402fcf033dSHans de Goede #endif 2412fcf033dSHans de Goede 242fe1b4db0SIan Campbell #endif /* _SUNXI_GPIO_H */ 243