zephyr/soc/infineon/cat1b/common/pinctrl_soc.h

134 lines
4.4 KiB
C

/*
* Copyright (c) 2016-2017 Piotr Mienkowski
* Copyright (c) 2021 ATL Electronics
* Copyright (c) 2022 Cypress Semiconductor Corporation (an Infineon company) or
* an affiliate of Cypress Semiconductor Corporation
*
* SPDX-License-Identifier: Apache-2.0
*
*/
/**
* @brief Infineon CAT1 SoC specific helpers for pinctrl driver.
*/
#ifndef ZEPHYR_SOC_ARM_INFINEON_CAT1_COMMON_PINCTRL_SOC_H_
#define ZEPHYR_SOC_ARM_INFINEON_CAT1_COMMON_PINCTRL_SOC_H_
#include <stdint.h>
#include <zephyr/devicetree.h>
#ifdef __cplusplus
extern "C" {
#endif
/** @cond INTERNAL_HIDDEN */
/**
* Bit definition in PINMUX field
*/
#define SOC_PINMUX_PORT_POS (0)
#define SOC_PINMUX_PORT_MASK (0xFFul << SOC_PINMUX_PORT_POS)
#define SOC_PINMUX_PIN_POS (8)
#define SOC_PINMUX_PIN_MASK (0xFFul << SOC_PINMUX_PIN_POS)
#define SOC_PINMUX_HSIOM_FUNC_POS (16)
#define SOC_PINMUX_HSIOM_MASK (0xFFul << SOC_PINMUX_HSIOM_FUNC_POS)
#define SOC_PINMUX_SIGNAL_POS (24)
#define SOC_PINMUX_SIGNAL_MASK (0xFFul << SOC_PINMUX_SIGNAL_POS)
/*
* Pin flags/attributes
*/
#define SOC_GPIO_DEFAULT (0)
#define SOC_GPIO_FLAGS_POS (0)
#define SOC_GPIO_FLAGS_MASK (0x3F << SOC_GPIO_FLAGS_POS)
#define SOC_GPIO_PULLUP_POS (0)
#define SOC_GPIO_PULLUP (1 << SOC_GPIO_PULLUP_POS)
#define SOC_GPIO_PULLDOWN_POS (1)
#define SOC_GPIO_PULLDOWN (1 << SOC_GPIO_PULLDOWN_POS)
#define SOC_GPIO_OPENDRAIN_POS (2)
#define SOC_GPIO_OPENDRAIN (1 << SOC_GPIO_OPENDRAIN_POS)
#define SOC_GPIO_OPENSOURCE_POS (3)
#define SOC_GPIO_OPENSOURCE (1 << SOC_GPIO_OPENSOURCE_POS)
/* Push-Pull means Strong, see dts/pinctrl/pincfg-node.yaml */
#define SOC_GPIO_PUSHPULL_POS (4)
#define SOC_GPIO_PUSHPULL (1 << SOC_GPIO_PUSHPULL_POS)
/* Input-Enable means Input-Buffer, see dts/pinctrl/pincfg-node.yaml */
#define SOC_GPIO_INPUTENABLE_POS (5)
#define SOC_GPIO_INPUTENABLE (1 << SOC_GPIO_INPUTENABLE_POS)
#define SOC_GPIO_HIGHZ_POS (6)
#define SOC_GPIO_HIGHZ (1 << SOC_GPIO_HIGHZ_POS)
/** Type for CAT1 Soc pin. */
typedef struct {
/**
* Pinmux settings (port, pin and function).
* [0..7] - Port nunder
* [8..15] - Pin number
* [16..23]- HSIOM function
*/
uint32_t pinmux;
/** Pin configuration (bias, drive and slew rate). */
uint32_t pincfg;
} pinctrl_soc_pin_t;
#define CAT1_PINMUX_GET_PORT_NUM(pinmux) \
(((pinmux) & SOC_PINMUX_PORT_MASK) >> SOC_PINMUX_PORT_POS)
#define CAT1_PINMUX_GET_PIN_NUM(pinmux) \
(((pinmux) & SOC_PINMUX_PIN_MASK) >> SOC_PINMUX_PIN_POS)
#define CAT1_PINMUX_GET_HSIOM_FUNC(pinmux) \
(((pinmux) & SOC_PINMUX_HSIOM_MASK) >> SOC_PINMUX_HSIOM_FUNC_POS)
/**
* @brief Utility macro to initialize pinmux field in #pinctrl_pin_t.
* @param node_id Node identifier.
*/
#define Z_PINCTRL_CAT1_PINMUX_INIT(node_id) DT_PROP(node_id, pinmux)
/**
* @brief Utility macro to initialize pincfg field in #pinctrl_pin_t.
* @param node_id Node identifier.
*/
#define Z_PINCTRL_CAT1_PINCFG_INIT(node_id) ( \
(DT_PROP(node_id, bias_pull_up) << SOC_GPIO_PULLUP_POS) | \
(DT_PROP(node_id, bias_pull_down) << SOC_GPIO_PULLDOWN_POS) | \
(DT_PROP(node_id, drive_open_drain) << SOC_GPIO_OPENDRAIN_POS) | \
(DT_PROP(node_id, drive_open_source) << SOC_GPIO_OPENSOURCE_POS) | \
(DT_PROP(node_id, drive_push_pull) << SOC_GPIO_PUSHPULL_POS) | \
(DT_PROP(node_id, input_enable) << SOC_GPIO_INPUTENABLE_POS) | \
(DT_PROP(node_id, bias_high_impedance) << SOC_GPIO_HIGHZ_POS))
/**
* @brief Utility macro to initialize each pin.
*
* @param node_id Node identifier.
* @param state_prop State property name.
* @param idx State property entry index.
*/
#define Z_PINCTRL_STATE_PIN_INIT(node_id, state_prop, idx) \
{ .pinmux = Z_PINCTRL_CAT1_PINMUX_INIT( \
DT_PROP_BY_IDX(node_id, state_prop, idx)), \
.pincfg = Z_PINCTRL_CAT1_PINCFG_INIT( \
DT_PROP_BY_IDX(node_id, state_prop, idx)) },
/**
* @brief Utility macro to initialize state pins contained in a given property.
*
* @param node_id Node identifier.
* @param prop Property name describing state pins.
*/
#define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \
{ DT_FOREACH_PROP_ELEM(node_id, prop, Z_PINCTRL_STATE_PIN_INIT) }
/** @endcond */
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_SOC_ARM_INFINEON_CAT1_COMMON_PINCTRL_SOC_H_ */