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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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a83c29e1d1
SpacemiT's K1 SoC has a pinctrl controller which use single register to describe all functions, which include bias pull up/down(strong pull), drive strength, schmitter trigger, slew rate, mux mode. Signed-off-by: Yixun Lan <dlan@gentoo.org> Link: https://lore.kernel.org/20241016-02-k1-pinctrl-v5-2-03d395222e4f@gentoo.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
41 lines
937 B
C
41 lines
937 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2024 Yixun Lan <dlan@gentoo.org> */
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#ifndef _PINCTRL_SPACEMIT_K1_H
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#define _PINCTRL_SPACEMIT_K1_H
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#include <linux/bits.h>
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#include <linux/bitfield.h>
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#include <linux/device.h>
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#include <linux/mutex.h>
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#include <linux/spinlock.h>
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#include <linux/platform_device.h>
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#include <linux/pinctrl/pinctrl.h>
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#include <linux/pinctrl/pinconf.h>
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enum spacemit_pin_io_type {
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IO_TYPE_NONE = 0,
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IO_TYPE_1V8,
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IO_TYPE_3V3,
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IO_TYPE_EXTERNAL,
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};
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#define PIN_POWER_STATE_1V8 1800
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#define PIN_POWER_STATE_3V3 3300
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#define K1_PIN_IO_TYPE GENMASK(2, 1)
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#define K1_PIN_CAP_IO_TYPE(type) \
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FIELD_PREP_CONST(K1_PIN_IO_TYPE, type)
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#define K1_PIN_GET_IO_TYPE(val) \
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FIELD_GET(K1_PIN_IO_TYPE, val)
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#define K1_FUNC_PIN(_id, _gpiofunc, _io) \
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{ \
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.pin = (_id), \
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.gpiofunc = (_gpiofunc), \
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.flags = (K1_PIN_CAP_IO_TYPE(_io)), \
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}
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#endif /* _PINCTRL_SPACEMIT_K1_H */
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