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pinctrl/rockchip: separate struct rockchip_pin_bank to a head file

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Separate struct rockchip_pin_bank to pinctrl-rockchip.h file, which will
be used by gpio-rockchip driver in the future.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816011948.1118959-3-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jianqun Xu 2021-08-16 09:19:41 +08:00 committed by Linus Walleij
parent 4b522bbf80
commit e1450694e9
2 changed files with 246 additions and 225 deletions
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226
drivers/pinctrl/pinctrl-rockchip.c
View File

@ -37,6 +37,7 @@
#include "core.h"
#include "pinconf.h"
#include "pinctrl-rockchip.h"
/* GPIO control registers */
#define GPIO_SWPORT_DR 0x00
@ -52,21 +53,6 @@
#define GPIO_EXT_PORT 0x50
#define GPIO_LS_SYNC 0x60
enum rockchip_pinctrl_type {
PX30,
RV1108,
RK2928,
RK3066B,
RK3128,
RK3188,
RK3288,
RK3308,
RK3368,
RK3399,
RK3568,
};
/**
* Generate a bitmask for setting a value (v) with a write mask bit in hiword
* register 31:16 area.
@ -84,103 +70,6 @@ enum rockchip_pinctrl_type {
#define IOMUX_WIDTH_3BIT BIT(4)
#define IOMUX_WIDTH_2BIT BIT(5)
/**
* struct rockchip_iomux
* @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
};
/**
* struct rockchip_drv
* @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;
};
/**
* struct rockchip_pin_bank
* @reg_base: register base of the gpio bank
* @regmap_pull: optional separate register for additional pull settings
* @clk: clock of the gpio bank
* @irq: interrupt of the gpio bank
* @saved_masks: Saved content of GPIO_INTEN at suspend time.
* @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
* @valid: is all necessary information present
* @of_node: dt node of this bank
* @drvdata: common pinctrl basedata
* @domain: irqdomain of the gpio bank
* @gpio_chip: gpiolib chip
* @grange: gpio range
* @slock: spinlock for the gpio bank
* @toggle_edge_mode: bit mask to toggle (falling/rising) edge mode
* @recalced_mask: bit mask to indicate a need to recalulate the mask
* @route_mask: bits describing the routing pins of per bank
*/
struct rockchip_pin_bank {
void __iomem *reg_base;
struct regmap *regmap_pull;
struct clk *clk;
int irq;
u32 saved_masks;
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];
bool valid;
struct device_node *of_node;
struct rockchip_pinctrl *drvdata;
struct irq_domain *domain;
struct gpio_chip gpio_chip;
struct pinctrl_gpio_range grange;
raw_spinlock_t slock;
u32 toggle_edge_mode;
u32 recalced_mask;
u32 route_mask;
};
#define PIN_BANK(id, pins, label) \
{ \
.bank_num = id, \
@ -320,119 +209,6 @@ struct rockchip_pin_bank {
#define RK_MUXROUTE_PMU(ID, PIN, FUNC, REG, VAL) \
PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_PMU)
/**
* struct rockchip_mux_recalced_data: represent a pin iomux data.
* @num: bank number.
* @pin: pin number.
* @bit: index at register.
* @reg: register offset.
* @mask: mask bit
*/
struct rockchip_mux_recalced_data {
u8 num;
u8 pin;
u32 reg;
u8 bit;
u8 mask;
};
enum rockchip_mux_route_location {
ROCKCHIP_ROUTE_SAME = 0,
ROCKCHIP_ROUTE_PMU,
ROCKCHIP_ROUTE_GRF,
};
/**
* struct rockchip_mux_recalced_data: represent a pin iomux data.
* @bank_num: bank number.
* @pin: index at register or used to calc index.
* @func: the min pin.
* @route_location: the mux route location (same, pmu, grf).
* @route_offset: the max pin.
* @route_val: the register offset.
*/
struct rockchip_mux_route_data {
u8 bank_num;
u8 pin;
u8 func;
enum rockchip_mux_route_location route_location;
u32 route_offset;
u32 route_val;
};
struct rockchip_pin_ctrl {
struct rockchip_pin_bank *pin_banks;
u32 nr_banks;
u32 nr_pins;
char *label;
enum rockchip_pinctrl_type type;
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;
void (*pull_calc_reg)(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit);
void (*drv_calc_reg)(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit);
int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit);
};
struct rockchip_pin_config {
unsigned int func;
unsigned long *configs;
unsigned int nconfigs;
};
/**
* struct rockchip_pin_group: represent group of pins of a pinmux function.
* @name: name of the pin group, used to lookup the group.
* @pins: the pins included in this group.
* @npins: number of pins included in this group.
* @data: local pin configuration
*/
struct rockchip_pin_group {
const char *name;
unsigned int npins;
unsigned int *pins;
struct rockchip_pin_config *data;
};
/**
* struct rockchip_pmx_func: represent a pin function.
* @name: name of the pin function, used to lookup the function.
* @groups: one or more names of pin groups that provide this function.
* @ngroups: number of groups included in @groups.
*/
struct rockchip_pmx_func {
const char *name;
const char **groups;
u8 ngroups;
};
struct rockchip_pinctrl {
struct regmap *regmap_base;
int reg_size;
struct regmap *regmap_pull;
struct regmap *regmap_pmu;
struct device *dev;
struct rockchip_pin_ctrl *ctrl;
struct pinctrl_desc pctl;
struct pinctrl_dev *pctl_dev;
struct rockchip_pin_group *groups;
unsigned int ngroups;
struct rockchip_pmx_func *functions;
unsigned int nfunctions;
};
static struct regmap_config rockchip_regmap_config = {
.reg_bits = 32,
.val_bits = 32,

245
drivers/pinctrl/pinctrl-rockchip.h Normal file
View File

@ -0,0 +1,245 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2020-2021 Rockchip Electronics Co. Ltd.
*
* Copyright (c) 2013 MundoReader S.L.
* Author: Heiko Stuebner <heiko@sntech.de>
*
* With some ideas taken from pinctrl-samsung:
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Copyright (c) 2012 Linaro Ltd
* https://www.linaro.org
*
* and pinctrl-at91:
* Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*/
#ifndef _PINCTRL_ROCKCHIP_H
#define _PINCTRL_ROCKCHIP_H
enum rockchip_pinctrl_type {
PX30,
RV1108,
RK2928,
RK3066B,
RK3128,
RK3188,
RK3288,
RK3308,
RK3368,
RK3399,
RK3568,
};
/**
* struct rockchip_iomux
* @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
};
/**
* struct rockchip_drv
* @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;
};
/**
* struct rockchip_pin_bank
* @reg_base: register base of the gpio bank
* @regmap_pull: optional separate register for additional pull settings
* @clk: clock of the gpio bank
* @irq: interrupt of the gpio bank
* @saved_masks: Saved content of GPIO_INTEN at suspend time.
* @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
* @valid: is all necessary information present
* @of_node: dt node of this bank
* @drvdata: common pinctrl basedata
* @domain: irqdomain of the gpio bank
* @gpio_chip: gpiolib chip
* @grange: gpio range
* @slock: spinlock for the gpio bank
* @toggle_edge_mode: bit mask to toggle (falling/rising) edge mode
* @recalced_mask: bit mask to indicate a need to recalulate the mask
* @route_mask: bits describing the routing pins of per bank
*/
struct rockchip_pin_bank {
void __iomem *reg_base;
struct regmap *regmap_pull;
struct clk *clk;
int irq;
u32 saved_masks;
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];
bool valid;
struct device_node *of_node;
struct rockchip_pinctrl *drvdata;
struct irq_domain *domain;
struct gpio_chip gpio_chip;
struct pinctrl_gpio_range grange;
raw_spinlock_t slock;
u32 toggle_edge_mode;
u32 recalced_mask;
u32 route_mask;
};
/**
* struct rockchip_mux_recalced_data: represent a pin iomux data.
* @num: bank number.
* @pin: pin number.
* @bit: index at register.
* @reg: register offset.
* @mask: mask bit
*/
struct rockchip_mux_recalced_data {
u8 num;
u8 pin;
u32 reg;
u8 bit;
u8 mask;
};
enum rockchip_mux_route_location {
ROCKCHIP_ROUTE_SAME = 0,
ROCKCHIP_ROUTE_PMU,
ROCKCHIP_ROUTE_GRF,
};
/**
* struct rockchip_mux_recalced_data: represent a pin iomux data.
* @bank_num: bank number.
* @pin: index at register or used to calc index.
* @func: the min pin.
* @route_location: the mux route location (same, pmu, grf).
* @route_offset: the max pin.
* @route_val: the register offset.
*/
struct rockchip_mux_route_data {
u8 bank_num;
u8 pin;
u8 func;
enum rockchip_mux_route_location route_location;
u32 route_offset;
u32 route_val;
};
struct rockchip_pin_ctrl {
struct rockchip_pin_bank *pin_banks;
u32 nr_banks;
u32 nr_pins;
char *label;
enum rockchip_pinctrl_type type;
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;
void (*pull_calc_reg)(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit);
void (*drv_calc_reg)(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit);
int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit);
};
struct rockchip_pin_config {
unsigned int func;
unsigned long *configs;
unsigned int nconfigs;
};
/**
* struct rockchip_pin_group: represent group of pins of a pinmux function.
* @name: name of the pin group, used to lookup the group.
* @pins: the pins included in this group.
* @npins: number of pins included in this group.
* @data: local pin configuration
*/
struct rockchip_pin_group {
const char *name;
unsigned int npins;
unsigned int *pins;
struct rockchip_pin_config *data;
};
/**
* struct rockchip_pmx_func: represent a pin function.
* @name: name of the pin function, used to lookup the function.
* @groups: one or more names of pin groups that provide this function.
* @ngroups: number of groups included in @groups.
*/
struct rockchip_pmx_func {
const char *name;
const char **groups;
u8 ngroups;
};
struct rockchip_pinctrl {
struct regmap *regmap_base;
int reg_size;
struct regmap *regmap_pull;
struct regmap *regmap_pmu;
struct device *dev;
struct rockchip_pin_ctrl *ctrl;
struct pinctrl_desc pctl;
struct pinctrl_dev *pctl_dev;
struct rockchip_pin_group *groups;
unsigned int ngroups;
struct rockchip_pmx_func *functions;
unsigned int nfunctions;
};
#endif