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b91-pinctrl.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2021 Telink Semiconductor
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_B91_PINCTRL_H_
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#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_B91_PINCTRL_H_
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/* IDs for GPIO functions */
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#define B91_FUNC_A 0x00
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#define B91_FUNC_B 0x01
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#define B91_FUNC_C 0x02
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/* IDs for GPIO Ports */
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#define B91_PORT_A 0x00
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#define B91_PORT_B 0x01
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#define B91_PORT_C 0x02
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#define B91_PORT_D 0x03
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#define B91_PORT_E 0x04
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/* IDs for GPIO Pins */
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#define B91_PIN_0 0x01
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#define B91_PIN_1 0x02
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#define B91_PIN_2 0x04
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#define B91_PIN_3 0x08
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#define B91_PIN_4 0x10
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#define B91_PIN_5 0x20
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#define B91_PIN_6 0x40
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#define B91_PIN_7 0x80
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/* B91 pinctrl pull-up/down */
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#define B91_PULL_NONE 0
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#define B91_PULL_DOWN 2
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#define B91_PULL_UP 3
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/* Pin function positions */
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#define B91_PIN_0_FUNC_POS 0x00
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#define B91_PIN_1_FUNC_POS 0x02
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#define B91_PIN_2_FUNC_POS 0x04
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#define B91_PIN_3_FUNC_POS 0x06
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#define B91_PIN_4_FUNC_POS 0x00
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#define B91_PIN_5_FUNC_POS 0x02
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#define B91_PIN_6_FUNC_POS 0x04
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#define B91_PIN_7_FUNC_POS 0x06
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/* B91 pin configuration bit field positions and masks */
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#define B91_PULL_POS 19
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#define B91_PULL_MSK 0x3
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#define B91_FUNC_POS 16
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#define B91_FUNC_MSK 0x3
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#define B91_PORT_POS 8
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#define B91_PORT_MSK 0xFF
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#define B91_PIN_POS 0
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#define B91_PIN_MSK 0xFFFF
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#define B91_PIN_ID_MSK 0xFF
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/* Setters and getters */
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#define B91_PINMUX_SET(port, pin, func) ((func << B91_FUNC_POS) | \
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(port << B91_PORT_POS) | \
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(pin << B91_PIN_POS))
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#define B91_PINMUX_SET(port, pin, func) ((func << B91_FUNC_POS) | \
…
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#define B91_PINMUX_GET_PULL(pinmux) ((pinmux >> B91_PULL_POS) & B91_PULL_MSK)
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#define B91_PINMUX_GET_FUNC(pinmux) ((pinmux >> B91_FUNC_POS) & B91_FUNC_MSK)
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#define B91_PINMUX_GET_PIN(pinmux) ((pinmux >> B91_PIN_POS) & B91_PIN_MSK)
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#define B91_PINMUX_GET_PIN_ID(pinmux) ((pinmux >> B91_PIN_POS) & B91_PIN_ID_MSK)
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#endif
/* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_B91_PINCTRL_H_ */
zephyr
dt-bindings
pinctrl
b91-pinctrl.h
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