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Ian Campbellb2765ec2014-05-05 11:52:24 +01001/*
2 * (C) Copyright 2007-2012
3 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
4 * Tom Cubie <tangliang@allwinnertech.com>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9#ifndef _SUNXI_GPIO_H
10#define _SUNXI_GPIO_H
11
12#include <linux/types.h>
Hans de Goede0ee72682014-10-22 16:47:45 +080013#include <asm/arch/cpu.h>
Ian Campbellb2765ec2014-05-05 11:52:24 +010014
15/*
16 * sunxi has 9 banks of gpio, they are:
17 * PA0 - PA17 | PB0 - PB23 | PC0 - PC24
18 * PD0 - PD27 | PE0 - PE31 | PF0 - PF5
19 * PG0 - PG9 | PH0 - PH27 | PI0 - PI12
20 */
21
22#define SUNXI_GPIO_A 0
23#define SUNXI_GPIO_B 1
24#define SUNXI_GPIO_C 2
25#define SUNXI_GPIO_D 3
26#define SUNXI_GPIO_E 4
27#define SUNXI_GPIO_F 5
28#define SUNXI_GPIO_G 6
29#define SUNXI_GPIO_H 7
30#define SUNXI_GPIO_I 8
Hans de Goede0ee72682014-10-22 16:47:45 +080031
32/*
33 * This defines the number of GPIO banks for the _main_ GPIO controller.
34 * You should fix up the padding in struct sunxi_gpio_reg below if you
35 * change this.
36 */
Ian Campbellb2765ec2014-05-05 11:52:24 +010037#define SUNXI_GPIO_BANKS 9
38
Hans de Goede0ee72682014-10-22 16:47:45 +080039/*
40 * sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO)
41 * at a different register offset.
42 *
43 * sun6i has 2 banks:
44 * PL0 - PL8 | PM0 - PM7
45 *
46 * sun8i has 1 bank:
47 * PL0 - PL11
Hans de Goede8760c912015-01-26 16:46:43 +010048 *
49 * sun9i has 3 banks:
50 * PL0 - PL9 | PM0 - PM15 | PN0 - PN1
Hans de Goede0ee72682014-10-22 16:47:45 +080051 */
52#define SUNXI_GPIO_L 11
53#define SUNXI_GPIO_M 12
Hans de Goede8760c912015-01-26 16:46:43 +010054#define SUNXI_GPIO_N 13
Hans de Goede0ee72682014-10-22 16:47:45 +080055
Ian Campbellb2765ec2014-05-05 11:52:24 +010056struct sunxi_gpio {
57 u32 cfg[4];
58 u32 dat;
59 u32 drv[2];
60 u32 pull[2];
61};
62
63/* gpio interrupt control */
64struct sunxi_gpio_int {
65 u32 cfg[3];
66 u32 ctl;
67 u32 sta;
68 u32 deb; /* interrupt debounce */
69};
70
71struct sunxi_gpio_reg {
72 struct sunxi_gpio gpio_bank[SUNXI_GPIO_BANKS];
73 u8 res[0xbc];
74 struct sunxi_gpio_int gpio_int;
75};
76
Hans de Goede0ee72682014-10-22 16:47:45 +080077#define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \
78 &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \
79 &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L])
Ian Campbellb2765ec2014-05-05 11:52:24 +010080
81#define GPIO_BANK(pin) ((pin) >> 5)
82#define GPIO_NUM(pin) ((pin) & 0x1f)
83
84#define GPIO_CFG_INDEX(pin) (((pin) & 0x1f) >> 3)
85#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1f) & 0x7) << 2)
86
Paul Kocialkowskic97e1682015-03-22 18:07:08 +010087#define GPIO_DRV_INDEX(pin) (((pin) & 0x1f) >> 4)
Ian Campbellb2765ec2014-05-05 11:52:24 +010088#define GPIO_DRV_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
89
90#define GPIO_PULL_INDEX(pin) (((pin) & 0x1f) >> 4)
91#define GPIO_PULL_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
92
93/* GPIO bank sizes */
94#define SUNXI_GPIO_A_NR 32
95#define SUNXI_GPIO_B_NR 32
96#define SUNXI_GPIO_C_NR 32
97#define SUNXI_GPIO_D_NR 32
98#define SUNXI_GPIO_E_NR 32
99#define SUNXI_GPIO_F_NR 32
100#define SUNXI_GPIO_G_NR 32
101#define SUNXI_GPIO_H_NR 32
102#define SUNXI_GPIO_I_NR 32
Hans de Goede0ee72682014-10-22 16:47:45 +0800103#define SUNXI_GPIO_L_NR 32
104#define SUNXI_GPIO_M_NR 32
Ian Campbellb2765ec2014-05-05 11:52:24 +0100105
106#define SUNXI_GPIO_NEXT(__gpio) \
107 ((__gpio##_START) + (__gpio##_NR) + 0)
108
109enum sunxi_gpio_number {
110 SUNXI_GPIO_A_START = 0,
111 SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A),
112 SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B),
113 SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C),
114 SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D),
115 SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E),
116 SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F),
117 SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G),
118 SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H),
Hans de Goede0ee72682014-10-22 16:47:45 +0800119 SUNXI_GPIO_L_START = 352,
120 SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L),
Hans de Goede8760c912015-01-26 16:46:43 +0100121 SUNXI_GPIO_N_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_M),
Hans de Goede1fc9c4a2014-12-24 19:34:38 +0100122 SUNXI_GPIO_AXP0_START = 1024,
Ian Campbellb2765ec2014-05-05 11:52:24 +0100123};
124
125/* SUNXI GPIO number definitions */
126#define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr))
127#define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr))
128#define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr))
129#define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr))
130#define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr))
131#define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr))
132#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
133#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
134#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
Hans de Goede0ee72682014-10-22 16:47:45 +0800135#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
136#define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr))
Hans de Goede8760c912015-01-26 16:46:43 +0100137#define SUNXI_GPN(_nr) (SUNXI_GPIO_N_START + (_nr))
Ian Campbellb2765ec2014-05-05 11:52:24 +0100138
Hans de Goede1fc9c4a2014-12-24 19:34:38 +0100139#define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr))
140
Ian Campbellb2765ec2014-05-05 11:52:24 +0100141/* GPIO pin function config */
142#define SUNXI_GPIO_INPUT 0
143#define SUNXI_GPIO_OUTPUT 1
144
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100145#define SUNXI_GPA_EMAC 2
146#define SUN6I_GPA_GMAC 2
147#define SUN7I_GPA_GMAC 5
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100148#define SUN6I_GPA_SDC2 5
149#define SUN6I_GPA_SDC3 4
Ian Campbellb2765ec2014-05-05 11:52:24 +0100150
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200151#define SUN4I_GPB_TWI0 2
152#define SUN4I_GPB_TWI1 2
153#define SUN5I_GPB_TWI1 2
154#define SUN4I_GPB_TWI2 2
155#define SUN5I_GPB_TWI2 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100156#define SUN4I_GPB_UART0 2
157#define SUN5I_GPB_UART0 2
Laurent Itti20dfe002015-05-05 17:02:00 -0700158#define SUN8I_GPB_UART2 2
Chen-Yu Tsai28b71922015-06-23 19:57:25 +0800159#define SUN8I_A33_GPB_UART0 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100160
Karol Gugala7bea8932015-07-23 14:33:01 +0200161#define SUNXI_GPC_NAND 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100162#define SUNXI_GPC_SDC2 3
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100163#define SUN6I_GPC_SDC3 4
Ian Campbellb2765ec2014-05-05 11:52:24 +0100164
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100165#define SUN8I_GPD_SDC1 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100166#define SUNXI_GPD_LCD0 2
167#define SUNXI_GPD_LVDS0 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100168
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100169#define SUN5I_GPE_SDC2 3
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200170#define SUN8I_GPE_TWI2 3
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100171
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100172#define SUNXI_GPF_SDC0 2
173#define SUNXI_GPF_UART0 4
174#define SUN8I_GPF_UART0 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100175
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100176#define SUN4I_GPG_SDC1 4
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100177#define SUN5I_GPG_SDC1 2
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100178#define SUN6I_GPG_SDC1 2
179#define SUN8I_GPG_SDC1 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200180#define SUN6I_GPG_TWI3 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100181#define SUN5I_GPG_UART1 4
Hans de Goede7e68a1b2014-12-21 16:28:32 +0100182
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100183#define SUN4I_GPH_SDC1 5
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200184#define SUN6I_GPH_TWI0 2
185#define SUN8I_GPH_TWI0 2
186#define SUN6I_GPH_TWI1 2
187#define SUN8I_GPH_TWI1 2
188#define SUN6I_GPH_TWI2 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100189#define SUN6I_GPH_UART0 2
Hans de Goede7bfe2bb2015-01-13 19:25:06 +0100190#define SUN9I_GPH_UART0 2
Ian Campbellb2765ec2014-05-05 11:52:24 +0100191
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100192#define SUNXI_GPI_SDC3 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200193#define SUN7I_GPI_TWI3 3
194#define SUN7I_GPI_TWI4 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100195
Hans de Goede7c590382014-12-13 10:25:14 +0100196#define SUN6I_GPL0_R_P2WI_SCK 3
197#define SUN6I_GPL1_R_P2WI_SDA 3
Oliver Schinagl4f9a0082013-07-25 14:07:42 +0200198
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100199#define SUN8I_GPL_R_RSB 2
200#define SUN8I_GPL_R_UART 2
Chen-Yu Tsai6ee63882014-10-22 16:47:47 +0800201
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100202#define SUN9I_GPN_R_RSB 3
Hans de Goede8760c912015-01-26 16:46:43 +0100203
Ian Campbellb2765ec2014-05-05 11:52:24 +0100204/* GPIO pin pull-up/down config */
205#define SUNXI_GPIO_PULL_DISABLE 0
206#define SUNXI_GPIO_PULL_UP 1
207#define SUNXI_GPIO_PULL_DOWN 2
208
Paul Kocialkowski6604a132015-03-22 18:07:09 +0100209/* Virtual AXP0 GPIOs */
Hans de Goede08607d12015-04-22 11:31:22 +0200210#define SUNXI_GPIO_AXP0_PREFIX "AXP0-"
211#define SUNXI_GPIO_AXP0_VBUS_DETECT 4
212#define SUNXI_GPIO_AXP0_VBUS_ENABLE 5
213#define SUNXI_GPIO_AXP0_GPIO_COUNT 6
Paul Kocialkowski6604a132015-03-22 18:07:09 +0100214
Simon Glassd8624532014-10-30 20:25:47 -0600215void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val);
216void sunxi_gpio_set_cfgpin(u32 pin, u32 val);
217int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset);
Ian Campbellb2765ec2014-05-05 11:52:24 +0100218int sunxi_gpio_get_cfgpin(u32 pin);
219int sunxi_gpio_set_drv(u32 pin, u32 val);
220int sunxi_gpio_set_pull(u32 pin, u32 val);
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100221int sunxi_name_to_gpio_bank(const char *name);
Ian Campbellaf471472014-06-05 19:00:15 +0100222int sunxi_name_to_gpio(const char *name);
223#define name_to_gpio(name) sunxi_name_to_gpio(name)
Ian Campbellb2765ec2014-05-05 11:52:24 +0100224
Hans de Goede3ae1d132015-04-25 17:25:14 +0200225#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
226int axp_gpio_init(void);
227#else
228static inline int axp_gpio_init(void) { return 0; }
229#endif
230
Ian Campbellb2765ec2014-05-05 11:52:24 +0100231#endif /* _SUNXI_GPIO_H */