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linux-next/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.h
Xingyu Chen 0fabe43f3f pinctrl: meson-axg: Introduce a pinctrl pinmux ops for Meson-AXG SoC
The pin controller has been updated in the Amlogic Meson AXG series,
which use continuous 4-bit register to select function for each pin.
In order to support this, a new pinmux operations "meson_axg_pmx_ops"
has been added.

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-11-30 14:28:16 +01:00

63 lines
1.3 KiB
C

/*
* Copyright (c) 2017 Baylibre SAS.
* Author: Jerome Brunet <jbrunet@baylibre.com>
*
* Copyright (c) 2017 Amlogic, Inc. All rights reserved.
* Author: Xingyu Chen <xingyu.chen@amlogic.com>
*
* SPDX-License-Identifier: (GPL-2.0+ or MIT)
*/
struct meson_pmx_bank {
const char *name;
unsigned int first;
unsigned int last;
unsigned int reg;
unsigned int offset;
};
struct meson_axg_pmx_data {
struct meson_pmx_bank *pmx_banks;
unsigned int num_pmx_banks;
};
#define BANK_PMX(n, f, l, r, o) \
{ \
.name = n, \
.first = f, \
.last = l, \
.reg = r, \
.offset = o, \
}
struct meson_pmx_axg_data {
unsigned int func;
};
#define PMX_DATA(f) \
{ \
.func = f, \
}
#define GROUP(grp, f) \
{ \
.name = #grp, \
.pins = grp ## _pins, \
.num_pins = ARRAY_SIZE(grp ## _pins), \
.data = (const struct meson_pmx_axg_data[]){ \
PMX_DATA(f), \
}, \
}
#define GPIO_GROUP(gpio) \
{ \
.name = #gpio, \
.pins = (const unsigned int[]){ gpio }, \
.num_pins = 1, \
.data = (const struct meson_pmx_axg_data[]){ \
PMX_DATA(0), \
}, \
}
extern const struct pinmux_ops meson_axg_pmx_ops;