linux/drivers/pinctrl/meson/pinctrl-meson8-pmx.h

49 lines
1.2 KiB
C

/*
* First generation of pinmux driver for Amlogic Meson SoCs
*
* Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
* Copyright (C) 2017 Jerome Brunet <jbrunet@baylibre.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
struct meson8_pmx_data {
bool is_gpio;
unsigned int reg;
unsigned int bit;
};
#define PMX_DATA(r, b, g) \
{ \
.reg = r, \
.bit = b, \
.is_gpio = g, \
}
#define GROUP(grp, r, b) \
{ \
.name = #grp, \
.pins = grp ## _pins, \
.num_pins = ARRAY_SIZE(grp ## _pins), \
.data = (const struct meson8_pmx_data[]){ \
PMX_DATA(r, b, false), \
}, \
}
#define GPIO_GROUP(gpio) \
{ \
.name = #gpio, \
.pins = (const unsigned int[]){ gpio }, \
.num_pins = 1, \
.data = (const struct meson8_pmx_data[]){ \
PMX_DATA(0, 0, true), \
}, \
}
extern const struct pinmux_ops meson8_pmx_ops;