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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
Icenowy Zheng112c8862019-04-24 13:44:12 +080076#define SUN50I_H6_GPIO_POW_MOD_SEL 0x340
77#define SUN50I_H6_GPIO_POW_MOD_VAL 0x348
78
Hans de Goede0ee72682014-10-22 16:47:45 +080079#define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \
80 &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \
81 &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L])
Ian Campbellb2765ec2014-05-05 11:52:24 +010082
83#define GPIO_BANK(pin) ((pin) >> 5)
84#define GPIO_NUM(pin) ((pin) & 0x1f)
85
86#define GPIO_CFG_INDEX(pin) (((pin) & 0x1f) >> 3)
87#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1f) & 0x7) << 2)
88
Paul Kocialkowskic97e1682015-03-22 18:07:08 +010089#define GPIO_DRV_INDEX(pin) (((pin) & 0x1f) >> 4)
Ian Campbellb2765ec2014-05-05 11:52:24 +010090#define GPIO_DRV_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
91
92#define GPIO_PULL_INDEX(pin) (((pin) & 0x1f) >> 4)
93#define GPIO_PULL_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
94
95/* GPIO bank sizes */
96#define SUNXI_GPIO_A_NR 32
97#define SUNXI_GPIO_B_NR 32
98#define SUNXI_GPIO_C_NR 32
99#define SUNXI_GPIO_D_NR 32
100#define SUNXI_GPIO_E_NR 32
101#define SUNXI_GPIO_F_NR 32
102#define SUNXI_GPIO_G_NR 32
103#define SUNXI_GPIO_H_NR 32
104#define SUNXI_GPIO_I_NR 32
Hans de Goede0ee72682014-10-22 16:47:45 +0800105#define SUNXI_GPIO_L_NR 32
106#define SUNXI_GPIO_M_NR 32
Ian Campbellb2765ec2014-05-05 11:52:24 +0100107
108#define SUNXI_GPIO_NEXT(__gpio) \
109 ((__gpio##_START) + (__gpio##_NR) + 0)
110
111enum sunxi_gpio_number {
112 SUNXI_GPIO_A_START = 0,
113 SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A),
114 SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B),
115 SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C),
116 SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D),
117 SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E),
118 SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F),
119 SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G),
120 SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H),
Hans de Goede0ee72682014-10-22 16:47:45 +0800121 SUNXI_GPIO_L_START = 352,
122 SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L),
Hans de Goede8760c912015-01-26 16:46:43 +0100123 SUNXI_GPIO_N_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_M),
Hans de Goede1fc9c4a2014-12-24 19:34:38 +0100124 SUNXI_GPIO_AXP0_START = 1024,
Ian Campbellb2765ec2014-05-05 11:52:24 +0100125};
126
127/* SUNXI GPIO number definitions */
128#define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr))
129#define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr))
130#define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr))
131#define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr))
132#define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr))
133#define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr))
134#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
135#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
136#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
Hans de Goede0ee72682014-10-22 16:47:45 +0800137#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
138#define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr))
Hans de Goede8760c912015-01-26 16:46:43 +0100139#define SUNXI_GPN(_nr) (SUNXI_GPIO_N_START + (_nr))
Ian Campbellb2765ec2014-05-05 11:52:24 +0100140
Hans de Goede1fc9c4a2014-12-24 19:34:38 +0100141#define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr))
142
Ian Campbellb2765ec2014-05-05 11:52:24 +0100143/* GPIO pin function config */
144#define SUNXI_GPIO_INPUT 0
145#define SUNXI_GPIO_OUTPUT 1
Siarhei Siamashka6f3ea202016-06-07 14:28:34 +0300146#define SUNXI_GPIO_DISABLE 7
Ian Campbellb2765ec2014-05-05 11:52:24 +0100147
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100148#define SUNXI_GPA_EMAC 2
149#define SUN6I_GPA_GMAC 2
150#define SUN7I_GPA_GMAC 5
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100151#define SUN6I_GPA_SDC2 5
152#define SUN6I_GPA_SDC3 4
Jens Kuskef9770722015-11-17 15:12:58 +0100153#define SUN8I_H3_GPA_UART0 2
Ian Campbellb2765ec2014-05-05 11:52:24 +0100154
Hans de Goede663ae652016-08-19 15:25:41 +0200155#define SUN4I_GPB_PWM 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200156#define SUN4I_GPB_TWI0 2
157#define SUN4I_GPB_TWI1 2
158#define SUN5I_GPB_TWI1 2
159#define SUN4I_GPB_TWI2 2
160#define SUN5I_GPB_TWI2 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100161#define SUN4I_GPB_UART0 2
162#define SUN5I_GPB_UART0 2
Laurent Itti20dfe002015-05-05 17:02:00 -0700163#define SUN8I_GPB_UART2 2
Chen-Yu Tsai28b71922015-06-23 19:57:25 +0800164#define SUN8I_A33_GPB_UART0 3
vishnupatekar133bfbe2015-11-29 01:07:20 +0800165#define SUN8I_A83T_GPB_UART0 2
Icenowy Zheng52e61882017-04-08 15:30:12 +0800166#define SUN8I_V3S_GPB_UART0 3
Siarhei Siamashka26c50fb2016-03-29 17:29:10 +0200167#define SUN50I_GPB_UART0 4
Ian Campbellb2765ec2014-05-05 11:52:24 +0100168
Karol Gugala7bea8932015-07-23 14:33:01 +0200169#define SUNXI_GPC_NAND 2
Siarhei Siamashka6f3ea202016-06-07 14:28:34 +0300170#define SUNXI_GPC_SPI0 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100171#define SUNXI_GPC_SDC2 3
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100172#define SUN6I_GPC_SDC3 4
Siarhei Siamashka6f3ea202016-06-07 14:28:34 +0300173#define SUN50I_GPC_SPI0 4
Ian Campbellb2765ec2014-05-05 11:52:24 +0100174
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100175#define SUN8I_GPD_SDC1 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100176#define SUNXI_GPD_LCD0 2
177#define SUNXI_GPD_LVDS0 3
Vasily Khoruzhick86a38e52018-05-14 08:16:20 -0700178#define SUNXI_GPD_PWM 2
Ian Campbellb2765ec2014-05-05 11:52:24 +0100179
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100180#define SUN5I_GPE_SDC2 3
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200181#define SUN8I_GPE_TWI2 3
Stefan Mavrodievcabe9922019-01-08 12:04:30 +0200182#define SUN50I_GPE_TWI2 3
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100183
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100184#define SUNXI_GPF_SDC0 2
185#define SUNXI_GPF_UART0 4
186#define SUN8I_GPF_UART0 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100187
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100188#define SUN4I_GPG_SDC1 4
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100189#define SUN5I_GPG_SDC1 2
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100190#define SUN6I_GPG_SDC1 2
191#define SUN8I_GPG_SDC1 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200192#define SUN6I_GPG_TWI3 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100193#define SUN5I_GPG_UART1 4
Hans de Goede7e68a1b2014-12-21 16:28:32 +0100194
Hans de Goede663ae652016-08-19 15:25:41 +0200195#define SUN6I_GPH_PWM 2
196#define SUN8I_GPH_PWM 2
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100197#define SUN4I_GPH_SDC1 5
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200198#define SUN6I_GPH_TWI0 2
199#define SUN8I_GPH_TWI0 2
Stefan Mavrodievcabe9922019-01-08 12:04:30 +0200200#define SUN50I_GPH_TWI0 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200201#define SUN6I_GPH_TWI1 2
202#define SUN8I_GPH_TWI1 2
Stefan Mavrodievcabe9922019-01-08 12:04:30 +0200203#define SUN50I_GPH_TWI1 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200204#define SUN6I_GPH_TWI2 2
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100205#define SUN6I_GPH_UART0 2
Hans de Goede7bfe2bb2015-01-13 19:25:06 +0100206#define SUN9I_GPH_UART0 2
Icenowy Zhenga78bb072018-07-21 16:20:28 +0800207#define SUN50I_H6_GPH_UART0 2
Ian Campbellb2765ec2014-05-05 11:52:24 +0100208
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100209#define SUNXI_GPI_SDC3 2
Paul Kocialkowski0a3ec0a2015-04-10 23:09:52 +0200210#define SUN7I_GPI_TWI3 3
211#define SUN7I_GPI_TWI4 3
Ian Campbellb2765ec2014-05-05 11:52:24 +0100212
Hans de Goede7c590382014-12-13 10:25:14 +0100213#define SUN6I_GPL0_R_P2WI_SCK 3
214#define SUN6I_GPL1_R_P2WI_SDA 3
Oliver Schinagl4f9a0082013-07-25 14:07:42 +0200215
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100216#define SUN8I_GPL_R_RSB 2
Jelle van der Waa8d3d7c12016-01-14 14:06:26 +0100217#define SUN8I_H3_GPL_R_TWI 2
218#define SUN8I_A23_GPL_R_TWI 3
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100219#define SUN8I_GPL_R_UART 2
Vasily Khoruzhick6f4c3442018-11-05 20:24:30 -0800220#define SUN50I_GPL_R_TWI 2
Chen-Yu Tsai6ee63882014-10-22 16:47:47 +0800221
Paul Kocialkowskiae358a42015-03-22 18:12:22 +0100222#define SUN9I_GPN_R_RSB 3
Hans de Goede8760c912015-01-26 16:46:43 +0100223
Ian Campbellb2765ec2014-05-05 11:52:24 +0100224/* GPIO pin pull-up/down config */
225#define SUNXI_GPIO_PULL_DISABLE 0
226#define SUNXI_GPIO_PULL_UP 1
227#define SUNXI_GPIO_PULL_DOWN 2
228
Paul Kocialkowski6604a132015-03-22 18:07:09 +0100229/* Virtual AXP0 GPIOs */
Hans de Goede08607d12015-04-22 11:31:22 +0200230#define SUNXI_GPIO_AXP0_PREFIX "AXP0-"
231#define SUNXI_GPIO_AXP0_VBUS_DETECT 4
232#define SUNXI_GPIO_AXP0_VBUS_ENABLE 5
233#define SUNXI_GPIO_AXP0_GPIO_COUNT 6
Paul Kocialkowski6604a132015-03-22 18:07:09 +0100234
Simon Glassd8624532014-10-30 20:25:47 -0600235void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val);
236void sunxi_gpio_set_cfgpin(u32 pin, u32 val);
237int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset);
Ian Campbellb2765ec2014-05-05 11:52:24 +0100238int sunxi_gpio_get_cfgpin(u32 pin);
239int sunxi_gpio_set_drv(u32 pin, u32 val);
240int sunxi_gpio_set_pull(u32 pin, u32 val);
Paul Kocialkowskid390d8c2015-03-22 18:12:23 +0100241int sunxi_name_to_gpio_bank(const char *name);
Ian Campbellaf471472014-06-05 19:00:15 +0100242int sunxi_name_to_gpio(const char *name);
243#define name_to_gpio(name) sunxi_name_to_gpio(name)
Ian Campbellb2765ec2014-05-05 11:52:24 +0100244
Hans de Goede3ae1d132015-04-25 17:25:14 +0200245#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
246int axp_gpio_init(void);
247#else
248static inline int axp_gpio_init(void) { return 0; }
249#endif
250
Ian Campbellb2765ec2014-05-05 11:52:24 +0100251#endif /* _SUNXI_GPIO_H */