pinctrl_nxp_port_common.h

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/*
 * Copyright 2022, 2024 NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
/*
 * @file
 * NXP PORT SOC specific helpers for pinctrl driver
 */
 
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_PINCTRL_PINCTRL_NXP_PORT_COMMON_H_
#define ZEPHYR_INCLUDE_DRIVERS_PINCTRL_PINCTRL_NXP_PORT_COMMON_H_
 
#include <zephyr/devicetree.h>
#include <zephyr/types.h>
 
/* Include SOC headers, so we get definitions for PCR bitmasks */
#include <soc.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Some PORT IP instantiations lack certain features, include input buffers,
 * open drain, and slew rate. If masks aren't defined for these bitfields,
 * define them to have no effect
 */
#ifndef PORT_PCR_IBE_MASK /* Input buffer enable */
#define PORT_PCR_IBE_MASK 0x0
#define PORT_PCR_IBE(x) 0x0
#endif
 
#ifndef PORT_PCR_SRE_MASK /* Slew rate */
#define PORT_PCR_SRE_MASK 0x0
#define PORT_PCR_SRE(x) 0x0
#endif
 
#ifndef PORT_PCR_ODE_MASK /* Open drain */
#define PORT_PCR_ODE_MASK 0x0
#define PORT_PCR_ODE(x) 0x0
#endif
 
 
typedef uint32_t pinctrl_soc_pin_t;
 
#define Z_PINCTRL_NXP_PORT_PINCFG(node_id)                                                         \
        (PORT_PCR_DSE(DT_ENUM_IDX(node_id, drive_strength)) |                                      \
         PORT_PCR_PS(DT_PROP(node_id, bias_pull_up)) |                                             \
         PORT_PCR_PE(DT_PROP(node_id, bias_pull_up)) |                                             \
         PORT_PCR_PE(DT_PROP(node_id, bias_pull_down)) |                                           \
         PORT_PCR_ODE(DT_PROP(node_id, drive_open_drain)) |                                        \
         PORT_PCR_SRE(DT_ENUM_IDX(node_id, slew_rate)) |                                           \
         PORT_PCR_IBE(DT_PROP(node_id, input_enable)) |                                            \
         PORT_PCR_PFE(DT_PROP(node_id, nxp_passive_filter)))
 
#define Z_PINCTRL_NXP_PORT_PCR_MASK                                                                \
        (PORT_PCR_MUX_MASK | PORT_PCR_DSE_MASK | PORT_PCR_ODE_MASK | PORT_PCR_PFE_MASK |           \
         PORT_PCR_IBE_MASK | PORT_PCR_SRE_MASK | PORT_PCR_PE_MASK | PORT_PCR_PS_MASK)
 
#define Z_PINCTRL_STATE_PIN_INIT(group, pin_prop, idx)                                             \
        DT_PROP_BY_IDX(group, pin_prop, idx) | Z_PINCTRL_NXP_PORT_PINCFG(group),
 
#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)};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_PINCTRL_PINCTRL_NXP_PORT_COMMON_H_ */