2015-09-11 20:17:32 +09:00
|
|
|
/*
|
2016-07-19 21:56:13 +09:00
|
|
|
* Copyright (C) 2015-2016 Socionext Inc.
|
|
|
|
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
|
2015-09-11 20:17:32 +09:00
|
|
|
*
|
|
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __PINCTRL_UNIPHIER_H__
|
|
|
|
#define __PINCTRL_UNIPHIER_H__
|
|
|
|
|
2016-03-24 22:32:44 +09:00
|
|
|
#include <linux/bitops.h>
|
2016-01-24 23:27:48 +09:00
|
|
|
#include <linux/bug.h>
|
2015-09-11 20:17:32 +09:00
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/types.h>
|
|
|
|
|
2016-06-29 19:38:57 +09:00
|
|
|
#define UNIPHIER_PINCTRL_PINMUX_BASE 0x1000
|
|
|
|
#define UNIPHIER_PINCTRL_LOAD_PINMUX 0x1700
|
|
|
|
#define UNIPHIER_PINCTRL_IECTRL 0x1d00
|
2015-09-11 20:17:32 +09:00
|
|
|
|
|
|
|
#define UNIPHIER_PIN_ATTR_PACKED(iectrl) (iectrl)
|
|
|
|
|
|
|
|
static inline unsigned int uniphier_pin_get_iectrl(unsigned long data)
|
|
|
|
{
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct uniphier_pinctrl_pin - pin data for UniPhier SoC
|
|
|
|
*
|
|
|
|
* @number: pin number
|
|
|
|
* @data: additional per-pin data
|
|
|
|
*/
|
|
|
|
struct uniphier_pinctrl_pin {
|
|
|
|
unsigned number;
|
|
|
|
unsigned long data;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct uniphier_pinctrl_group - pin group data for UniPhier SoC
|
|
|
|
*
|
|
|
|
* @name: pin group name
|
|
|
|
* @pins: array of pins that belong to the group
|
|
|
|
* @num_pins: number of pins in the group
|
|
|
|
* @muxvals: array of values to be set to pinmux registers
|
|
|
|
*/
|
|
|
|
struct uniphier_pinctrl_group {
|
|
|
|
const char *name;
|
|
|
|
const unsigned *pins;
|
|
|
|
unsigned num_pins;
|
2016-06-29 19:38:59 +09:00
|
|
|
const int *muxvals;
|
2015-09-11 20:17:32 +09:00
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct uniphier_pinctrl_socdata - SoC data for UniPhier pin controller
|
|
|
|
*
|
|
|
|
* @pins: array of pin data
|
|
|
|
* @pins_count: number of pin data
|
|
|
|
* @groups: array of pin group data
|
|
|
|
* @groups_count: number of pin group data
|
|
|
|
* @functions: array of pinmux function names
|
|
|
|
* @functions_count: number of pinmux functions
|
|
|
|
* @mux_bits: bit width of each pinmux register
|
|
|
|
* @reg_stride: stride of pinmux register address
|
2016-03-24 22:32:44 +09:00
|
|
|
* @caps: SoC-specific capability flag
|
2015-09-11 20:17:32 +09:00
|
|
|
*/
|
|
|
|
struct uniphier_pinctrl_socdata {
|
|
|
|
const struct uniphier_pinctrl_pin *pins;
|
|
|
|
int pins_count;
|
|
|
|
const struct uniphier_pinctrl_group *groups;
|
|
|
|
int groups_count;
|
|
|
|
const char * const *functions;
|
|
|
|
int functions_count;
|
2016-03-24 22:32:44 +09:00
|
|
|
unsigned caps;
|
2016-03-24 22:32:45 +09:00
|
|
|
#define UNIPHIER_PINCTRL_CAPS_PERPIN_IECTRL BIT(1)
|
2016-03-24 22:32:44 +09:00
|
|
|
#define UNIPHIER_PINCTRL_CAPS_DBGMUX_SEPARATE BIT(0)
|
2015-09-11 20:17:32 +09:00
|
|
|
};
|
|
|
|
|
|
|
|
#define UNIPHIER_PINCTRL_PIN(a, b) \
|
|
|
|
{ \
|
|
|
|
.number = a, \
|
|
|
|
.data = UNIPHIER_PIN_ATTR_PACKED(b), \
|
|
|
|
}
|
|
|
|
|
2016-06-29 19:39:00 +09:00
|
|
|
#define __UNIPHIER_PINCTRL_GROUP(grp) \
|
2015-09-11 20:17:32 +09:00
|
|
|
{ \
|
|
|
|
.name = #grp, \
|
|
|
|
.pins = grp##_pins, \
|
|
|
|
.num_pins = ARRAY_SIZE(grp##_pins), \
|
|
|
|
.muxvals = grp##_muxvals + \
|
|
|
|
BUILD_BUG_ON_ZERO(ARRAY_SIZE(grp##_pins) != \
|
|
|
|
ARRAY_SIZE(grp##_muxvals)), \
|
|
|
|
}
|
|
|
|
|
2016-06-29 19:39:00 +09:00
|
|
|
#define __UNIPHIER_PINMUX_FUNCTION(func) #func
|
|
|
|
|
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
|
|
#define UNIPHIER_PINCTRL_GROUP(grp) { .name = NULL }
|
|
|
|
#define UNIPHIER_PINMUX_FUNCTION(func) NULL
|
|
|
|
#else
|
|
|
|
#define UNIPHIER_PINCTRL_GROUP(grp) __UNIPHIER_PINCTRL_GROUP(grp)
|
|
|
|
#define UNIPHIER_PINMUX_FUNCTION(func) __UNIPHIER_PINMUX_FUNCTION(func)
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define UNIPHIER_PINCTRL_GROUP_SPL(grp) __UNIPHIER_PINCTRL_GROUP(grp)
|
|
|
|
#define UNIPHIER_PINMUX_FUNCTION_SPL(func) __UNIPHIER_PINMUX_FUNCTION(func)
|
|
|
|
|
2015-09-11 20:17:32 +09:00
|
|
|
/**
|
|
|
|
* struct uniphier_pinctrl_priv - private data for UniPhier pinctrl driver
|
|
|
|
*
|
|
|
|
* @base: base address of the pinctrl device
|
|
|
|
* @socdata: SoC specific data
|
|
|
|
*/
|
|
|
|
struct uniphier_pinctrl_priv {
|
|
|
|
void __iomem *base;
|
|
|
|
struct uniphier_pinctrl_socdata *socdata;
|
|
|
|
};
|
|
|
|
|
|
|
|
extern const struct pinctrl_ops uniphier_pinctrl_ops;
|
|
|
|
|
|
|
|
int uniphier_pinctrl_probe(struct udevice *dev,
|
|
|
|
struct uniphier_pinctrl_socdata *socdata);
|
|
|
|
|
|
|
|
#endif /* __PINCTRL_UNIPHIER_H__ */
|