79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* ESP32C3 SoC specific helpers for pinctrl driver
|
|
*/
|
|
|
|
#ifndef ZEPHYR_SOC_RISCV_ESP32C3_PINCTRL_SOC_H_
|
|
#define ZEPHYR_SOC_RISCV_ESP32C3_PINCTRL_SOC_H_
|
|
|
|
#include <zephyr/devicetree.h>
|
|
#include <zephyr/types.h>
|
|
|
|
#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h>
|
|
|
|
/** @cond INTERNAL_HIDDEN */
|
|
|
|
/** Type for ESP32 pin. */
|
|
typedef struct pinctrl_soc_pin {
|
|
/** Pinmux settings (pin, direction and signal). */
|
|
uint32_t pinmux;
|
|
/** Pincfg settings (bias). */
|
|
uint32_t pincfg;
|
|
} pinctrl_soc_pin_t;
|
|
|
|
/**
|
|
* @brief Utility macro to initialize pinmux field in #pinctrl_pin_t.
|
|
*
|
|
* @param node_id Node identifier.
|
|
*/
|
|
#define Z_PINCTRL_ESP32_PINMUX_INIT(node_id, prop, idx) DT_PROP_BY_IDX(node_id, prop, idx)
|
|
|
|
/**
|
|
* @brief Utility macro to initialize pincfg field in #pinctrl_pin_t.
|
|
*
|
|
* @param node_id Node identifier.
|
|
*/
|
|
#define Z_PINCTRL_ESP32_PINCFG_INIT(node_id) \
|
|
(((ESP32_NO_PULL * DT_PROP(node_id, bias_disable)) << ESP32_PIN_BIAS_SHIFT) | \
|
|
((ESP32_PULL_UP * DT_PROP(node_id, bias_pull_up)) << ESP32_PIN_BIAS_SHIFT) | \
|
|
((ESP32_PULL_DOWN * DT_PROP(node_id, bias_pull_down)) << ESP32_PIN_BIAS_SHIFT) | \
|
|
((ESP32_PUSH_PULL * DT_PROP(node_id, drive_push_pull)) << ESP32_PIN_DRV_SHIFT) | \
|
|
((ESP32_OPEN_DRAIN * DT_PROP(node_id, drive_open_drain)) << ESP32_PIN_DRV_SHIFT) | \
|
|
((ESP32_PIN_OUT_HIGH * DT_PROP(node_id, output_high)) << ESP32_PIN_OUT_SHIFT) | \
|
|
((ESP32_PIN_OUT_LOW * DT_PROP(node_id, output_low)) << ESP32_PIN_OUT_SHIFT) | \
|
|
((ESP32_PIN_OUT_EN * DT_PROP(node_id, output_enable)) << ESP32_PIN_EN_DIR_SHIFT) | \
|
|
((ESP32_PIN_IN_EN * DT_PROP(node_id, input_enable)) << ESP32_PIN_EN_DIR_SHIFT))
|
|
|
|
/**
|
|
* @brief Utility macro to initialize each pin.
|
|
*
|
|
* @param node_id Node identifier.
|
|
* @param prop Property name.
|
|
* @param idx Property entry index.
|
|
*/
|
|
#define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx) \
|
|
{.pinmux = Z_PINCTRL_ESP32_PINMUX_INIT(node_id, prop, idx), \
|
|
.pincfg = Z_PINCTRL_ESP32_PINCFG_INIT(node_id)},
|
|
|
|
/**
|
|
* @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_CHILD_VARGS(DT_PHANDLE(node_id, prop), DT_FOREACH_PROP_ELEM, pinmux, \
|
|
Z_PINCTRL_STATE_PIN_INIT) \
|
|
}
|
|
|
|
/** @endcond */
|
|
|
|
#endif /* ZEPHYR_SOC_RISCV_ESP32C3_PINCTRL_SOC_H_ */
|