forked from Minki/linux
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 TOSHIBA CORPORATION
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* Copyright (c) 2020 Toshiba Electronic Devices & Storage Corporation
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* Copyright (c) 2020 Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
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*/
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#ifndef __VISCONTI_PINCTRL_COMMON_H__
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#define __VISCONTI_PINCTRL_COMMON_H__
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struct pinctrl_pin_desc;
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/* PIN */
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#define VISCONTI_PINS(pins_name, ...) \
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static const unsigned int pins_name ## _pins[] = { __VA_ARGS__ }
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struct visconti_desc_pin {
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struct pinctrl_pin_desc pin;
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unsigned int dsel_offset;
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unsigned int dsel_shift;
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unsigned int pude_offset;
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unsigned int pudsel_offset;
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unsigned int pud_shift;
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};
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#define VISCONTI_PIN(_pin, dsel, d_sh, pude, pudsel, p_sh) \
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{ \
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.pin = _pin, \
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.dsel_offset = dsel, \
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.dsel_shift = d_sh, \
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.pude_offset = pude, \
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.pudsel_offset = pudsel, \
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.pud_shift = p_sh, \
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}
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/* Group */
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#define VISCONTI_GROUPS(groups_name, ...) \
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static const char * const groups_name ## _grps[] = { __VA_ARGS__ }
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struct visconti_mux {
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unsigned int offset;
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unsigned int mask;
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unsigned int val;
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};
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struct visconti_pin_group {
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const char *name;
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const unsigned int *pins;
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unsigned int nr_pins;
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struct visconti_mux mux;
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};
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#define VISCONTI_PIN_GROUP(group_name, off, msk, v) \
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{ \
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.name = __stringify(group_name) "_grp", \
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.pins = group_name ## _pins, \
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.nr_pins = ARRAY_SIZE(group_name ## _pins), \
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.mux = { \
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.offset = off, \
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.mask = msk, \
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.val = v, \
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} \
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}
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/* MUX */
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struct visconti_pin_function {
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const char *name;
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const char * const *groups;
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unsigned int nr_groups;
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};
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#define VISCONTI_PIN_FUNCTION(func) \
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{ \
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.name = #func, \
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.groups = func ## _grps, \
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.nr_groups = ARRAY_SIZE(func ## _grps), \
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}
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/* chip dependent data */
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struct visconti_pinctrl_devdata {
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const struct visconti_desc_pin *pins;
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unsigned int nr_pins;
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const struct visconti_pin_group *groups;
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unsigned int nr_groups;
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const struct visconti_pin_function *functions;
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unsigned int nr_functions;
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const struct visconti_mux *gpio_mux;
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void (*unlock)(void __iomem *base);
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};
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int visconti_pinctrl_probe(struct platform_device *pdev,
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const struct visconti_pinctrl_devdata *devdata);
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#endif /* __VISCONTI_PINCTRL_COMMON_H__ */
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