pinctrl_soc_sam_common.h

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/*
 * Copyright (c) 2022, Gerson Fernando Budke <nandojve@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_PINCTRL_PINCTRL_SOC_SAM_COMMON_H_
#define ZEPHYR_INCLUDE_DRIVERS_PINCTRL_PINCTRL_SOC_SAM_COMMON_H_
 
#include <zephyr/devicetree.h>
#include <zephyr/types.h>
#include <dt-bindings/pinctrl/atmel_sam_pinctrl.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef uint32_t pinctrl_soc_pin_t;
 
#if defined(CONFIG_SOC_FAMILY_ATMEL_SAM)
#define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx)                            \
        ((DT_PROP_BY_IDX(node_id, prop, idx)   << SAM_PINCTRL_PINMUX_POS)       \
         | (DT_PROP(node_id, bias_pull_up)     << SAM_PINCTRL_PULLUP_POS)       \
         | (DT_PROP(node_id, bias_pull_down)   << SAM_PINCTRL_PULLDOWN_POS)     \
         | (DT_PROP(node_id, drive_open_drain) << SAM_PINCTRL_OPENDRAIN_POS)    \
        ),
#else /* CONFIG_SOC_FAMILY_ATMEL_SAM0 */
#define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx)                              \
        ((DT_PROP_BY_IDX(node_id, prop, idx)     << SAM_PINCTRL_PINMUX_POS)       \
         | (DT_PROP(node_id, bias_pull_up)       << SAM_PINCTRL_PULLUP_POS)       \
         | (DT_PROP(node_id, bias_pull_down)     << SAM_PINCTRL_PULLDOWN_POS)     \
         | (DT_PROP(node_id, input_enable)       << SAM_PINCTRL_INPUTENABLE_POS)  \
         | (DT_PROP(node_id, output_enable)      << SAM_PINCTRL_OUTPUTENABLE_POS) \
         | (DT_ENUM_IDX(node_id, drive_strength) << SAM_PINCTRL_DRIVESTRENGTH_POS)\
        ),
#endif
 
#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)}
 
#define SAM_PINCTRL_FLAGS_DEFAULT       (0U)
#define SAM_PINCTRL_FLAGS_POS           (0U)
#define SAM_PINCTRL_FLAGS_MASK          (0x3F << SAM_PINCTRL_FLAGS_POS)
#define SAM_PINCTRL_FLAG_MASK           (1U)
#define SAM_PINCTRL_PULLUP_POS          (SAM_PINCTRL_FLAGS_POS)
#define SAM_PINCTRL_PULLUP              (1U << SAM_PINCTRL_PULLUP_POS)
#define SAM_PINCTRL_PULLDOWN_POS        (SAM_PINCTRL_PULLUP_POS + 1U)
#define SAM_PINCTRL_PULLDOWN            (1U << SAM_PINCTRL_PULLDOWN_POS)
#define SAM_PINCTRL_OPENDRAIN_POS       (SAM_PINCTRL_PULLDOWN_POS + 1U)
#define SAM_PINCTRL_OPENDRAIN           (1U << SAM_PINCTRL_OPENDRAIN_POS)
#define SAM_PINCTRL_INPUTENABLE_POS     (SAM_PINCTRL_OPENDRAIN_POS + 1U)
#define SAM_PINCTRL_INPUTENABLE         (1U << SAM_PINCTRL_INPUTENABLE_POS)
#define SAM_PINCTRL_OUTPUTENABLE_POS    (SAM_PINCTRL_INPUTENABLE_POS + 1U)
#define SAM_PINCTRL_OUTPUTENABLE        (1U << SAM_PINCTRL_OUTPUTENABLE_POS)
#define SAM_PINCTRL_DRIVESTRENGTH_POS   (SAM_PINCTRL_OUTPUTENABLE_POS + 1U)
#define SAM_PINCTRL_DRIVESTRENGTH       (1U << SAM_PINCTRL_DRIVESTRENGTH_POS)
 
#define SAM_PINCTRL_FLAG_GET(pincfg, pos) \
        (((pincfg) >> pos) & SAM_PINCTRL_FLAG_MASK)
 
#define SAM_PINCTRL_FLAGS_GET(pincfg) \
        (((pincfg) >> SAM_PINCTRL_FLAGS_POS) & SAM_PINCTRL_FLAGS_MASK)
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_PINCTRL_PINCTRL_SOC_SAM_COMMON_H_ */