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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Ian Campbellb2765ec2014-05-05 11:52:24 +01002/*
3 * (C) Copyright 2007-2012
4 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
5 * Tom Cubie <tangliang@allwinnertech.com>
Ian Campbellb2765ec2014-05-05 11:52:24 +01006 */
7
8#ifndef _SUNXI_GPIO_H
9#define _SUNXI_GPIO_H
10
11#include <linux/types.h>
Hans de Goede0ee72682014-10-22 16:47:45 +080012#include <asm/arch/cpu.h>
Ian Campbellb2765ec2014-05-05 11:52:24 +010013
14/*
15 * sunxi has 9 banks of gpio, they are:
16 * PA0 - PA17 | PB0 - PB23 | PC0 - PC24
17 * PD0 - PD27 | PE0 - PE31 | PF0 - PF5
18 * PG0 - PG9 | PH0 - PH27 | PI0 - PI12
19 */
20
21#define SUNXI_GPIO_A 0
22#define SUNXI_GPIO_B 1
23#define SUNXI_GPIO_C 2
24#define SUNXI_GPIO_D 3
25#define SUNXI_GPIO_E 4
26#define SUNXI_GPIO_F 5
27#define SUNXI_GPIO_G 6
28#define SUNXI_GPIO_H 7
29#define SUNXI_GPIO_I 8
Hans de Goede0ee72682014-10-22 16:47:45 +080030
31/*
32 * This defines the number of GPIO banks for the _main_ GPIO controller.
33 * You should fix up the padding in struct sunxi_gpio_reg below if you
34 * change this.
35 */
Ian Campbellb2765ec2014-05-05 11:52:24 +010036#define SUNXI_GPIO_BANKS 9
37
Hans de Goede0ee72682014-10-22 16:47:45 +080038/*
39 * sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO)
40 * at a different register offset.
41 *
42 * sun6i has 2 banks:
43 * PL0 - PL8 | PM0 - PM7
44 *
45 * sun8i has 1 bank:
46 * PL0 - PL11
Hans de Goede8760c912015-01-26 16:46:43 +010047 *
48 * sun9i has 3 banks:
49 * PL0 - PL9 | PM0 - PM15 | PN0 - PN1
Hans de Goede0ee72682014-10-22 16:47:45 +080050 */
51#define SUNXI_GPIO_L 11
52#define SUNXI_GPIO_M 12
Hans de Goede8760c912015-01-26 16:46:43 +010053#define SUNXI_GPIO_N 13
Hans de Goede0ee72682014-10-22 16:47:45 +080054
Ian Campbellb2765ec2014-05-05 11:52:24 +010055struct sunxi_gpio {
56 u32 cfg[4];
57 u32 dat;
58 u32 drv[2];
59 u32 pull[2];
60};
61
62/* gpio interrupt control */
63struct sunxi_gpio_int {
64 u32 cfg[3];
65 u32 ctl;
66 u32 sta;
67 u32 deb; /* interrupt debounce */
68};
69
70struct sunxi_gpio_reg {
71 struct sunxi_gpio gpio_bank[SUNXI_GPIO_BANKS];
72 u8 res[0xbc];
73 struct sunxi_gpio_int gpio_int;
74};
75
Hans de Goede0ee72682014-10-22 16:47:45 +080076#define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \
77 &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \
78 &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L])
Ian Campbellb2765ec2014-05-05 11:52:24 +010079
80#define GPIO_BANK(pin) ((pin) >> 5)
81#define GPIO_NUM(pin) ((pin) & 0x1f)
82
83#define GPIO_CFG_INDEX(pin) (((pin) & 0x1f) >> 3)
84#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1f) & 0x7) << 2)
85
Paul Kocialkowskic97e1682015-03-22 18:07:08 +010086#define GPIO_DRV_INDEX(pin) (((pin) & 0x1f) >> 4)
Ian Campbellb2765ec2014-05-05 11:52:24 +010087#define GPIO_DRV_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
88
89#define GPIO_PULL_INDEX(pin) (((pin) & 0x1f) >> 4)
90#define GPIO_PULL_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
91
92/* GPIO bank sizes */
93#define SUNXI_GPIO_A_NR 32
94#define SUNXI_GPIO_B_NR 32
95#define SUNXI_GPIO_C_NR 32
96#define SUNXI_GPIO_D_NR 32
97#define SUNXI_GPIO_E_NR 32
98#define SUNXI_GPIO_F_NR 32
99#define SUNXI_GPIO_G_NR 32
100#define SUNXI_GPIO_H_NR 32
101#define SUNXI_GPIO_I_NR 32
Hans de Goede0ee72682014-10-22 16:47:45 +0800102#define SUNXI_GPIO_L_NR 32
103#define SUNXI_GPIO_M_NR 32
Ian Campbellb2765ec2014-05-05 11:52:24 +0100104
105#define SUNXI_GPIO_NEXT(__gpio) \
106 ((__gpio##_START) + (__gpio##_NR) + 0)
107
108enum sunxi_gpio_number {
109 SUNXI_GPIO_A_START = 0,
110 SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A),
111 SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B),
112 SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C),
113 SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D),
114 SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E),
115 SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F),
116 SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G),
117 SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H),
Hans de Goede0ee72682014-10-22 16:47:45 +0800118 SUNXI_GPIO_L_START = 352,
119 SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L),
Hans de Goede8760c912015-01-26 16:46:43 +0100120 SUNXI_GPIO_N_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_M),
Hans de Goede1fc9c4a2014-12-24 19:34:38 +0100121 SUNXI_GPIO_AXP0_START = 1024,
Ian Campbellb2765ec2014-05-05 11:52:24 +0100122};
123
124/* SUNXI GPIO number definitions */
125#define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr))
126#define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr))
127#define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr))
128#define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr))
129#define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr))
130#define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr))
131#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
132#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
133#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
Hans de Goede0ee72682014-10-22 16:47:45 +0800134#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
135#define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr))
Hans de Goede8760c912015-01-26 16:46:43 +0100136#define SUNXI_GPN(_nr) (SUNXI_GPIO_N_START + (_nr))
Ian Campbellb2765ec2014-05-05 11:52:24 +0100137
Hans de Goede1fc9c4a2014-12-24 19:34:38 +0100138#define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr))
139
Ian Campbellb2765ec2014-05-05 11:52:24 +0100140/* GPIO pin function config */
141#define SUNXI_GPIO_INPUT 0
142#define SUNXI_GPIO_OUTPUT 1
Siarhei Siamashka6f3ea202016-06-07 14:28:34 +0300143#define SUNXI_GPIO_DISABLE 7
Ian Campbellb2765ec2014-05-05 11:52:24 +0100144
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
Jens Kuskef9770722015-11-17 15:12:58 +0100150#define SUN8I_H3_GPA_UART0 2
Ian Campbellb2765ec2014-05-05 11:52:24 +0100151
Hans de Goede663ae652016-08-19 15:25:41 +0200152#define SUN4I_GPB_PWM 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200153#define SUN4I_GPB_TWI0 2
154#define SUN4I_GPB_TWI1 2
155#define SUN5I_GPB_TWI1 2
156#define SUN4I_GPB_TWI2 2
157#define SUN5I_GPB_TWI2 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100158#define SUN4I_GPB_UART0 2
159#define SUN5I_GPB_UART0 2
Laurent Itti20dfe002015-05-05 17:02:00 -0700160#define SUN8I_GPB_UART2 2
Chen-Yu Tsai28b71922015-06-23 19:57:25 +0800161#define SUN8I_A33_GPB_UART0 3
vishnupatekar133bfbe2015-11-29 01:07:20 +0800162#define SUN8I_A83T_GPB_UART0 2
Icenowy Zheng52e61882017-04-08 15:30:12 +0800163#define SUN8I_V3S_GPB_UART0 3
Siarhei Siamashka26c50fb2016-03-29 17:29:10 +0200164#define SUN50I_GPB_UART0 4
Ian Campbellb2765ec2014-05-05 11:52:24 +0100165
Karol Gugala7bea8932015-07-23 14:33:01 +0200166#define SUNXI_GPC_NAND 2
Siarhei Siamashka6f3ea202016-06-07 14:28:34 +0300167#define SUNXI_GPC_SPI0 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100168#define SUNXI_GPC_SDC2 3
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100169#define SUN6I_GPC_SDC3 4
Siarhei Siamashka6f3ea202016-06-07 14:28:34 +0300170#define SUN50I_GPC_SPI0 4
Ian Campbellb2765ec2014-05-05 11:52:24 +0100171
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100172#define SUN8I_GPD_SDC1 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100173#define SUNXI_GPD_LCD0 2
174#define SUNXI_GPD_LVDS0 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100175
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100176#define SUN5I_GPE_SDC2 3
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200177#define SUN8I_GPE_TWI2 3
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100178
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100179#define SUNXI_GPF_SDC0 2
180#define SUNXI_GPF_UART0 4
181#define SUN8I_GPF_UART0 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100182
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100183#define SUN4I_GPG_SDC1 4
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100184#define SUN5I_GPG_SDC1 2
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100185#define SUN6I_GPG_SDC1 2
186#define SUN8I_GPG_SDC1 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200187#define SUN6I_GPG_TWI3 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100188#define SUN5I_GPG_UART1 4
Hans de Goede7e68a1b2014-12-21 16:28:32 +0100189
Hans de Goede663ae652016-08-19 15:25:41 +0200190#define SUN6I_GPH_PWM 2
191#define SUN8I_GPH_PWM 2
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100192#define SUN4I_GPH_SDC1 5
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200193#define SUN6I_GPH_TWI0 2
194#define SUN8I_GPH_TWI0 2
195#define SUN6I_GPH_TWI1 2
196#define SUN8I_GPH_TWI1 2
197#define SUN6I_GPH_TWI2 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100198#define SUN6I_GPH_UART0 2
Hans de Goede7bfe2bb2015-01-13 19:25:06 +0100199#define SUN9I_GPH_UART0 2
Ian Campbellb2765ec2014-05-05 11:52:24 +0100200
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100201#define SUNXI_GPI_SDC3 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200202#define SUN7I_GPI_TWI3 3
203#define SUN7I_GPI_TWI4 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100204
Hans de Goede7c590382014-12-13 10:25:14 +0100205#define SUN6I_GPL0_R_P2WI_SCK 3
206#define SUN6I_GPL1_R_P2WI_SDA 3
Oliver Schinagl4f9a0082013-07-25 14:07:42 +0200207
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100208#define SUN8I_GPL_R_RSB 2
Jelle van der Waa8d3d7c12016-01-14 14:06:26 +0100209#define SUN8I_H3_GPL_R_TWI 2
210#define SUN8I_A23_GPL_R_TWI 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100211#define SUN8I_GPL_R_UART 2
Chen-Yu Tsai6ee63882014-10-22 16:47:47 +0800212
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100213#define SUN9I_GPN_R_RSB 3
Hans de Goede8760c912015-01-26 16:46:43 +0100214
Ian Campbellb2765ec2014-05-05 11:52:24 +0100215/* GPIO pin pull-up/down config */
216#define SUNXI_GPIO_PULL_DISABLE 0
217#define SUNXI_GPIO_PULL_UP 1
218#define SUNXI_GPIO_PULL_DOWN 2
219
Paul Kocialkowski6604a132015-03-22 18:07:09 +0100220/* Virtual AXP0 GPIOs */
Hans de Goede08607d12015-04-22 11:31:22 +0200221#define SUNXI_GPIO_AXP0_PREFIX "AXP0-"
222#define SUNXI_GPIO_AXP0_VBUS_DETECT 4
223#define SUNXI_GPIO_AXP0_VBUS_ENABLE 5
224#define SUNXI_GPIO_AXP0_GPIO_COUNT 6
Paul Kocialkowski6604a132015-03-22 18:07:09 +0100225
Simon Glassd8624532014-10-30 20:25:47 -0600226void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val);
227void sunxi_gpio_set_cfgpin(u32 pin, u32 val);
228int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset);
Ian Campbellb2765ec2014-05-05 11:52:24 +0100229int sunxi_gpio_get_cfgpin(u32 pin);
230int sunxi_gpio_set_drv(u32 pin, u32 val);
231int sunxi_gpio_set_pull(u32 pin, u32 val);
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100232int sunxi_name_to_gpio_bank(const char *name);
Ian Campbellaf471472014-06-05 19:00:15 +0100233int sunxi_name_to_gpio(const char *name);
234#define name_to_gpio(name) sunxi_name_to_gpio(name)
Ian Campbellb2765ec2014-05-05 11:52:24 +0100235
Hans de Goede3ae1d132015-04-25 17:25:14 +0200236#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
237int axp_gpio_init(void);
238#else
239static inline int axp_gpio_init(void) { return 0; }
240#endif
241
Ian Campbellb2765ec2014-05-05 11:52:24 +0100242#endif /* _SUNXI_GPIO_H */