u-boot/drivers/pinctrl/rockchip/pinctrl-rockchip.h
Jianqun Xu 4f51064533 pinctrl: rockchip: support rk3588 pinctrl
Add support for Rockchip rk3588 variant of pinctrl.

The driver is adapted from the Linux driver.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
[eugen.hristev@collabora.com:
port to latest U-boot, bring more changes from Linux
use translated pull values table]
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Jonas Karlman <jonas@kwiboo.se>
2023-04-21 15:16:00 +08:00

539 lines
14 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2019 Rockchip Electronics Co., Ltd
*/
#ifndef __DRIVERS_PINCTRL_ROCKCHIP_H
#define __DRIVERS_PINCTRL_ROCKCHIP_H
#include <linux/bitops.h>
#include <linux/types.h>
#define RK_GPIO0_A0 0
#define RK_GPIO0_A1 1
#define RK_GPIO0_A2 2
#define RK_GPIO0_A3 3
#define RK_GPIO0_A4 4
#define RK_GPIO0_A5 5
#define RK_GPIO0_A6 6
#define RK_GPIO0_A7 7
#define RK_GPIO0_B0 8
#define RK_GPIO0_B1 9
#define RK_GPIO0_B2 10
#define RK_GPIO0_B3 11
#define RK_GPIO0_B4 12
#define RK_GPIO0_B5 13
#define RK_GPIO0_B6 14
#define RK_GPIO0_B7 15
#define RK_GPIO0_C0 16
#define RK_GPIO0_C1 17
#define RK_GPIO0_C2 18
#define RK_GPIO0_C3 19
#define RK_GPIO0_C4 20
#define RK_GPIO0_C5 21
#define RK_GPIO0_C6 22
#define RK_GPIO0_C7 23
#define RK_GPIO0_D0 24
#define RK_GPIO0_D1 25
#define RK_GPIO0_D2 26
#define RK_GPIO0_D3 27
#define RK_GPIO0_D4 28
#define RK_GPIO0_D5 29
#define RK_GPIO0_D6 30
#define RK_GPIO0_D7 31
#define RK_GPIO1_A0 32
#define RK_GPIO1_A1 33
#define RK_GPIO1_A2 34
#define RK_GPIO1_A3 35
#define RK_GPIO1_A4 36
#define RK_GPIO1_A5 37
#define RK_GPIO1_A6 38
#define RK_GPIO1_A7 39
#define RK_GPIO1_B0 40
#define RK_GPIO1_B1 41
#define RK_GPIO1_B2 42
#define RK_GPIO1_B3 43
#define RK_GPIO1_B4 44
#define RK_GPIO1_B5 45
#define RK_GPIO1_B6 46
#define RK_GPIO1_B7 47
#define RK_GPIO1_C0 48
#define RK_GPIO1_C1 49
#define RK_GPIO1_C2 50
#define RK_GPIO1_C3 51
#define RK_GPIO1_C4 52
#define RK_GPIO1_C5 53
#define RK_GPIO1_C6 54
#define RK_GPIO1_C7 55
#define RK_GPIO1_D0 56
#define RK_GPIO1_D1 57
#define RK_GPIO1_D2 58
#define RK_GPIO1_D3 59
#define RK_GPIO1_D4 60
#define RK_GPIO1_D5 61
#define RK_GPIO1_D6 62
#define RK_GPIO1_D7 63
#define RK_GPIO2_A0 64
#define RK_GPIO2_A1 65
#define RK_GPIO2_A2 66
#define RK_GPIO2_A3 67
#define RK_GPIO2_A4 68
#define RK_GPIO2_A5 69
#define RK_GPIO2_A6 70
#define RK_GPIO2_A7 71
#define RK_GPIO2_B0 72
#define RK_GPIO2_B1 73
#define RK_GPIO2_B2 74
#define RK_GPIO2_B3 75
#define RK_GPIO2_B4 76
#define RK_GPIO2_B5 77
#define RK_GPIO2_B6 78
#define RK_GPIO2_B7 79
#define RK_GPIO2_C0 80
#define RK_GPIO2_C1 81
#define RK_GPIO2_C2 82
#define RK_GPIO2_C3 83
#define RK_GPIO2_C4 84
#define RK_GPIO2_C5 85
#define RK_GPIO2_C6 86
#define RK_GPIO2_C7 87
#define RK_GPIO2_D0 88
#define RK_GPIO2_D1 89
#define RK_GPIO2_D2 90
#define RK_GPIO2_D3 91
#define RK_GPIO2_D4 92
#define RK_GPIO2_D5 93
#define RK_GPIO2_D6 94
#define RK_GPIO2_D7 95
#define RK_GPIO3_A0 96
#define RK_GPIO3_A1 97
#define RK_GPIO3_A2 98
#define RK_GPIO3_A3 99
#define RK_GPIO3_A4 100
#define RK_GPIO3_A5 101
#define RK_GPIO3_A6 102
#define RK_GPIO3_A7 103
#define RK_GPIO3_B0 104
#define RK_GPIO3_B1 105
#define RK_GPIO3_B2 106
#define RK_GPIO3_B3 107
#define RK_GPIO3_B4 108
#define RK_GPIO3_B5 109
#define RK_GPIO3_B6 110
#define RK_GPIO3_B7 111
#define RK_GPIO3_C0 112
#define RK_GPIO3_C1 113
#define RK_GPIO3_C2 114
#define RK_GPIO3_C3 115
#define RK_GPIO3_C4 116
#define RK_GPIO3_C5 117
#define RK_GPIO3_C6 118
#define RK_GPIO3_C7 119
#define RK_GPIO3_D0 120
#define RK_GPIO3_D1 121
#define RK_GPIO3_D2 122
#define RK_GPIO3_D3 123
#define RK_GPIO3_D4 124
#define RK_GPIO3_D5 125
#define RK_GPIO3_D6 126
#define RK_GPIO3_D7 127
#define RK_GPIO4_A0 128
#define RK_GPIO4_A1 129
#define RK_GPIO4_A2 130
#define RK_GPIO4_A3 131
#define RK_GPIO4_A4 132
#define RK_GPIO4_A5 133
#define RK_GPIO4_A6 134
#define RK_GPIO4_A7 135
#define RK_GPIO4_B0 136
#define RK_GPIO4_B1 137
#define RK_GPIO4_B2 138
#define RK_GPIO4_B3 139
#define RK_GPIO4_B4 140
#define RK_GPIO4_B5 141
#define RK_GPIO4_B6 142
#define RK_GPIO4_B7 143
#define RK_GPIO4_C0 144
#define RK_GPIO4_C1 145
#define RK_GPIO4_C2 146
#define RK_GPIO4_C3 147
#define RK_GPIO4_C4 148
#define RK_GPIO4_C5 149
#define RK_GPIO4_C6 150
#define RK_GPIO4_C7 151
#define RK_GPIO4_D0 152
#define RK_GPIO4_D1 153
#define RK_GPIO4_D2 154
#define RK_GPIO4_D3 155
#define RK_GPIO4_D4 156
#define RK_GPIO4_D5 157
#define RK_GPIO4_D6 158
#define RK_GPIO4_D7 159
#define RK_GENMASK_VAL(h, l, v) \
(GENMASK(((h) + 16), ((l) + 16)) | (((v) << (l)) & GENMASK((h), (l))))
/**
* Encode variants of iomux registers into a type variable
*/
#define IOMUX_GPIO_ONLY BIT(0)
#define IOMUX_WIDTH_4BIT BIT(1)
#define IOMUX_SOURCE_PMU BIT(2)
#define IOMUX_UNROUTED BIT(3)
#define IOMUX_WIDTH_3BIT BIT(4)
#define IOMUX_8WIDTH_2BIT BIT(5)
#define IOMUX_L_SOURCE_PMU BIT(6)
/**
* Defined some common pins constants
*/
#define ROCKCHIP_PULL_BITS_PER_PIN 2
#define ROCKCHIP_PULL_PINS_PER_REG 8
#define ROCKCHIP_PULL_BANK_STRIDE 16
#define ROCKCHIP_DRV_BITS_PER_PIN 2
#define ROCKCHIP_DRV_PINS_PER_REG 8
#define ROCKCHIP_DRV_BANK_STRIDE 16
#define ROCKCHIP_DRV_3BITS_PER_PIN 3
/**
* @type: iomux variant using IOMUX_* constants
* @offset: if initialized to -1 it will be autocalculated, by specifying
* an initial offset value the relevant source offset can be reset
* to a new value for autocalculating the following iomux registers.
*/
struct rockchip_iomux {
int type;
int offset;
};
/**
* enum type index corresponding to rockchip_perpin_drv_list arrays index.
*/
enum rockchip_pin_drv_type {
DRV_TYPE_IO_DEFAULT = 0,
DRV_TYPE_IO_1V8_OR_3V0,
DRV_TYPE_IO_1V8_ONLY,
DRV_TYPE_IO_1V8_3V0_AUTO,
DRV_TYPE_IO_3V3_ONLY,
DRV_TYPE_MAX
};
/**
* enum type index corresponding to rockchip_pull_list arrays index.
*/
enum rockchip_pin_pull_type {
PULL_TYPE_IO_DEFAULT = 0,
PULL_TYPE_IO_1V8_ONLY,
PULL_TYPE_MAX
};
/**
* Rockchip pinctrl route type
*
* DEFAULT : Same regmap as pin iomux
* TOPGRF : Mux route setting in topgrf
* PMUGRF : Mux route setting in pmugrf
* INVALID : Nnot need to set mux route
*/
enum rockchip_pin_route_type {
ROUTE_TYPE_DEFAULT = 0,
ROUTE_TYPE_TOPGRF = 1,
ROUTE_TYPE_PMUGRF = 2,
ROUTE_TYPE_INVALID = -1,
};
/**
* @drv_type: drive strength variant using rockchip_perpin_drv_type
* @offset: if initialized to -1 it will be autocalculated, by specifying
* an initial offset value the relevant source offset can be reset
* to a new value for autocalculating the following drive strength
* registers. if used chips own cal_drv func instead to calculate
* registers offset, the variant could be ignored.
*/
struct rockchip_drv {
enum rockchip_pin_drv_type drv_type;
int offset;
};
/**
* @priv: common pinctrl private basedata
* @pin_base: first pin number
* @nr_pins: number of pins in this bank
* @name: name of the bank
* @bank_num: number of the bank, to account for holes
* @iomux: array describing the 4 iomux sources of the bank
* @drv: array describing the 4 drive strength sources of the bank
* @pull_type: array describing the 4 pull type sources of the bank
* @recalced_mask: bits describing the mux recalced pins of per bank
* @route_mask: bits describing the routing pins of per bank
*/
struct rockchip_pin_bank {
struct rockchip_pinctrl_priv *priv;
u32 pin_base;
u8 nr_pins;
char *name;
u8 bank_num;
struct rockchip_iomux iomux[4];
struct rockchip_drv drv[4];
enum rockchip_pin_pull_type pull_type[4];
u32 recalced_mask;
u32 route_mask;
};
#define PIN_BANK(id, pins, label) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .offset = -1 }, \
{ .offset = -1 }, \
{ .offset = -1 }, \
{ .offset = -1 }, \
}, \
}
#define PIN_BANK_IOMUX_FLAGS(id, pins, label, iom0, iom1, iom2, iom3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .type = iom0, .offset = -1 }, \
{ .type = iom1, .offset = -1 }, \
{ .type = iom2, .offset = -1 }, \
{ .type = iom3, .offset = -1 }, \
}, \
}
#define PIN_BANK_IOMUX_FLAGS_OFFSET(id, pins, label, iom0, iom1, iom2, \
iom3, offset0, offset1, offset2, \
offset3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .type = iom0, .offset = offset0 }, \
{ .type = iom1, .offset = offset1 }, \
{ .type = iom2, .offset = offset2 }, \
{ .type = iom3, .offset = offset3 }, \
}, \
}
#define PIN_BANK_DRV_FLAGS(id, pins, label, type0, type1, type2, type3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .offset = -1 }, \
{ .offset = -1 }, \
{ .offset = -1 }, \
{ .offset = -1 }, \
}, \
.drv = { \
{ .drv_type = type0, .offset = -1 }, \
{ .drv_type = type1, .offset = -1 }, \
{ .drv_type = type2, .offset = -1 }, \
{ .drv_type = type3, .offset = -1 }, \
}, \
}
#define PIN_BANK_IOMUX_FLAGS_PULL_FLAGS(id, pins, label, iom0, iom1, \
iom2, iom3, pull0, pull1, \
pull2, pull3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .type = iom0, .offset = -1 }, \
{ .type = iom1, .offset = -1 }, \
{ .type = iom2, .offset = -1 }, \
{ .type = iom3, .offset = -1 }, \
}, \
.pull_type[0] = pull0, \
.pull_type[1] = pull1, \
.pull_type[2] = pull2, \
.pull_type[3] = pull3, \
}
#define PIN_BANK_DRV_FLAGS_PULL_FLAGS(id, pins, label, drv0, drv1, \
drv2, drv3, pull0, pull1, \
pull2, pull3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .offset = -1 }, \
{ .offset = -1 }, \
{ .offset = -1 }, \
{ .offset = -1 }, \
}, \
.drv = { \
{ .drv_type = drv0, .offset = -1 }, \
{ .drv_type = drv1, .offset = -1 }, \
{ .drv_type = drv2, .offset = -1 }, \
{ .drv_type = drv3, .offset = -1 }, \
}, \
.pull_type[0] = pull0, \
.pull_type[1] = pull1, \
.pull_type[2] = pull2, \
.pull_type[3] = pull3, \
}
#define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \
iom2, iom3, drv0, drv1, drv2, \
drv3, offset0, offset1, \
offset2, offset3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .type = iom0, .offset = -1 }, \
{ .type = iom1, .offset = -1 }, \
{ .type = iom2, .offset = -1 }, \
{ .type = iom3, .offset = -1 }, \
}, \
.drv = { \
{ .drv_type = drv0, .offset = offset0 }, \
{ .drv_type = drv1, .offset = offset1 }, \
{ .drv_type = drv2, .offset = offset2 }, \
{ .drv_type = drv3, .offset = offset3 }, \
}, \
}
#define PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(id, pins, \
label, iom0, iom1, iom2, \
iom3, drv0, drv1, drv2, \
drv3, offset0, offset1, \
offset2, offset3, pull0, \
pull1, pull2, pull3) \
{ \
.bank_num = id, \
.nr_pins = pins, \
.name = label, \
.iomux = { \
{ .type = iom0, .offset = -1 }, \
{ .type = iom1, .offset = -1 }, \
{ .type = iom2, .offset = -1 }, \
{ .type = iom3, .offset = -1 }, \
}, \
.drv = { \
{ .drv_type = drv0, .offset = offset0 }, \
{ .drv_type = drv1, .offset = offset1 }, \
{ .drv_type = drv2, .offset = offset2 }, \
{ .drv_type = drv3, .offset = offset3 }, \
}, \
.pull_type[0] = pull0, \
.pull_type[1] = pull1, \
.pull_type[2] = pull2, \
.pull_type[3] = pull3, \
}
#define PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, FLAG) \
{ \
.bank_num = ID, \
.pin = PIN, \
.func = FUNC, \
.route_offset = REG, \
.route_val = VAL, \
.route_type = FLAG, \
}
#define MR_DEFAULT(ID, PIN, FUNC, REG, VAL) \
PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROUTE_TYPE_DEFAULT)
#define MR_TOPGRF(ID, PIN, FUNC, REG, VAL) \
PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROUTE_TYPE_TOPGRF)
#define MR_PMUGRF(ID, PIN, FUNC, REG, VAL) \
PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROUTE_TYPE_PMUGRF)
#define RK3588_PIN_BANK_FLAGS(ID, PIN, LABEL, M, P) \
PIN_BANK_IOMUX_FLAGS_PULL_FLAGS(ID, PIN, LABEL, M, M, M, M, P, P, P, P)
/**
* struct rockchip_mux_recalced_data: recalculate a pin iomux data.
* @num: bank number.
* @pin: pin number.
* @reg: register offset.
* @bit: index at register.
* @mask: mask bit
*/
struct rockchip_mux_recalced_data {
u8 num;
u8 pin;
u32 reg;
u8 bit;
u8 mask;
};
/**
* struct rockchip_mux_route_data: route a pin iomux data.
* @bank_num: bank number.
* @pin: index at register or used to calc index.
* @func: the min pin.
* @route_type: the register type.
* @route_offset: the max pin.
* @route_val: the register offset.
*/
struct rockchip_mux_route_data {
u8 bank_num;
u8 pin;
u8 func;
enum rockchip_pin_route_type route_type : 8;
u32 route_offset;
u32 route_val;
};
/**
*/
struct rockchip_pin_ctrl {
struct rockchip_pin_bank *pin_banks;
u32 nr_banks;
u32 nr_pins;
int grf_mux_offset;
int pmu_mux_offset;
int grf_drv_offset;
int pmu_drv_offset;
struct rockchip_mux_recalced_data *iomux_recalced;
u32 niomux_recalced;
struct rockchip_mux_route_data *iomux_routes;
u32 niomux_routes;
int (*set_mux)(struct rockchip_pin_bank *bank,
int pin, int mux);
int (*set_pull)(struct rockchip_pin_bank *bank,
int pin_num, int pull);
int (*set_drive)(struct rockchip_pin_bank *bank,
int pin_num, int strength);
int (*set_schmitt)(struct rockchip_pin_bank *bank,
int pin_num, int enable);
};
/**
*/
struct rockchip_pinctrl_priv {
struct rockchip_pin_ctrl *ctrl;
struct regmap *regmap_base;
struct regmap *regmap_pmu;
};
extern const struct pinctrl_ops rockchip_pinctrl_ops;
int rockchip_pinctrl_probe(struct udevice *dev);
void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin,
int *reg, u8 *bit, int *mask);
int rockchip_get_mux_data(int mux_type, int pin, u8 *bit, int *mask);
int rockchip_translate_drive_value(int type, int strength);
int rockchip_translate_pull_value(int type, int pull);
#endif /* __DRIVERS_PINCTRL_ROCKCHIP_H */