esp-pinctrl-common.h

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/*
 * Copyright (c) 2022-2026 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_ESP_PINCTRL_COMMON_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_ESP_PINCTRL_COMMON_H_
 
#include <zephyr/dt-bindings/dt-util.h>

#define ESP32_PIN_NUM_SHIFT 0U
#define ESP32_PIN_NUM_MASK  0x3FU

#define ESP32_PIN_SIGI_MASK  0x1FFU
#define ESP32_PIN_SIGI_SHIFT 6U
#define ESP32_PIN_SIGO_MASK  0x1FFU
#define ESP32_PIN_SIGO_SHIFT 15U
#define ESP_SIG_INVAL        ESP32_PIN_SIGI_MASK

#define ESP32_PINMUX(pin, sig_i, sig_o)                                                            \
        (((pin & ESP32_PIN_NUM_MASK) << ESP32_PIN_NUM_SHIFT) |                                     \
         ((sig_i & ESP32_PIN_SIGI_MASK) << ESP32_PIN_SIGI_SHIFT) |                                 \
         ((sig_o & ESP32_PIN_SIGO_MASK) << ESP32_PIN_SIGO_SHIFT))

#define ESP32_RMII_SLOT_SHIFT 24U     
#define ESP32_RMII_SLOT_MASK  0xFU    
#define ESP32_RMII_MARKER     BIT(30) 

#define ESP_RMII_CLK        0 
#define ESP_RMII_TX_EN      1 
#define ESP_RMII_TXD0       2 
#define ESP_RMII_TXD1       3 
#define ESP_RMII_CRS_DV     4 
#define ESP_RMII_RXD0       5 
#define ESP_RMII_RXD1       6 
#define ESP_RMII_SLOT_COUNT 7 

#define ESP32_RMII_PINMUX(pin, slot)                                                               \
        (ESP32_RMII_MARKER | (((slot) & ESP32_RMII_SLOT_MASK) << ESP32_RMII_SLOT_SHIFT) |          \
         (((pin) & ESP32_PIN_NUM_MASK) << ESP32_PIN_NUM_SHIFT))


#define ESP32_PIN_BIAS_SHIFT       0U
#define ESP32_PIN_BIAS_MASK        0x3U
#define ESP32_PIN_DRV_SHIFT        2U
#define ESP32_PIN_DRV_MASK         0x3U
#define ESP32_PIN_OUT_SHIFT        4U
#define ESP32_PIN_OUT_MASK         0x3U
#define ESP32_PIN_EN_DIR_SHIFT     6U
#define ESP32_PIN_EN_DIR_MASK      0x3U
#define ESP32_PIN_SLEEP_HOLD_SHIFT 8U   
#define ESP32_PIN_SLEEP_HOLD_MASK  0x1U 

#define ESP32_NO_PULL   0x1
#define ESP32_PULL_UP   0x2
#define ESP32_PULL_DOWN 0x3

#define ESP32_PUSH_PULL  0x1
#define ESP32_OPEN_DRAIN 0x2

#define ESP32_PIN_OUT_HIGH 0x1
#define ESP32_PIN_OUT_LOW  0x2

#define ESP32_PIN_OUT_EN 0x1
#define ESP32_PIN_IN_EN  0x2

#define ESP32_PIN_SLEEP_HOLD_EN 0x1 

#define ESP32_NO_PULL_FLAG      BIT(0)
#define ESP32_PULL_UP_FLAG      BIT(1)
#define ESP32_PULL_DOWN_FLAG    BIT(2)
#define ESP32_PUSH_PULL_FLAG    BIT(3)
#define ESP32_OPEN_DRAIN_FLAG   BIT(4)
#define ESP32_DIR_INP_FLAG      BIT(5)
#define ESP32_DIR_OUT_FLAG      BIT(6)
#define ESP32_PIN_OUT_HIGH_FLAG BIT(7)
#define ESP32_PIN_OUT_LOW_FLAG  BIT(8)
#define ESP32_PIN_OUT_EN_FLAG   BIT(9)
#define ESP32_PIN_IN_EN_FLAG    BIT(10)
#define ESP32_SLEEP_HOLD_FLAG   BIT(11) 
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_ESP_PINCTRL_COMMON_H_ */