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drivers: pinctrl: Support pinctrl driver for Renesas RX

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Intial support of pinctrl driver for Renesas RX MCU
family.
This support base on using Renesas RX driver package in
hal_renesas layer

Signed-off-by: Duy Nguyen <duy.nguyen.xa@renesas.com>
Signed-off-by: Phi Tran <phi.tran.jg@bp.renesas.com>
This commit is contained in:
Duy Nguyen 2024-11-04 15:22:45 +07:00 • committed by Benjamin Cabé
commit 2aa071c7ad
9 changed files with 788 additions and 0 deletions
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85
soc/renesas/rx/include/pinctrl_soc.h Normal file
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/*
* Copyright (c) 2024 Renesas Electronics Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_SOC_RENESAS_RX_COMMON_PINCTRL_SOC_H_
#define ZEPHYR_SOC_RENESAS_RX_COMMON_PINCTRL_SOC_H_
#include <stdbool.h>
#include <zephyr/devicetree.h>
#include <zephyr/types.h>
#include <zephyr/dt-bindings/pinctrl/renesas/pinctrl-rx.h>
#define PORT_POS (8)
#define PIN_MODE_GPIO (0)
#define PIN_MODE_PERIPHERAL (1)
struct rx_pin_config {
bool pin_mode;
bool analog_enable;
bool output_enable;
bool output_high;
bool bias_pull_up;
bool drive_open_drain;
uint8_t drive_strength;
uint8_t psels;
};
/**
* @brief Type to hold a renesas ra pin's pinctrl configuration.
*/
struct rx_pinctrl_soc_pin {
/** Port number 0..5, A..E, H, J */
uint32_t port_num: 5;
/** Pin number 0..7 */
uint32_t pin_num: 4;
/** config pin */
struct rx_pin_config cfg;
};
typedef struct rx_pinctrl_soc_pin pinctrl_soc_pin_t;
/**
* @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) \
{ \
.port_num = RX_GET_PORT_NUM(DT_PROP_BY_IDX(node_id, prop, idx)), \
.pin_num = RX_GET_PIN_NUM(DT_PROP_BY_IDX(node_id, prop, idx)), \
.cfg = \
{ \
.pin_mode = PIN_MODE_PERIPHERAL, \
.analog_enable = DT_PROP(node_id, renesas_analog_enable), \
.output_enable = DT_PROP(node_id, output_enable), \
.output_high = DT_PROP(node_id, output_high), \
.bias_pull_up = DT_PROP(node_id, bias_pull_up), \
.drive_open_drain = DT_PROP(node_id, drive_open_drain), \
.drive_strength = DT_ENUM_IDX(node_id, drive_strength), \
.psels = RX_GET_PSEL(DT_PROP_BY_IDX(node_id, 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_CHILD_VARGS(DT_PHANDLE(node_id, prop), DT_FOREACH_PROP_ELEM, psels, \
Z_PINCTRL_STATE_PIN_INIT)}
#define RX_GET_PORT_NUM(pinctrl) (((pinctrl) >> RX_PORT_NUM_POS) & RX_PORT_NUM_MASK)
#define RX_GET_PIN_NUM(pinctrl) (((pinctrl) >> RX_PIN_NUM_POS) & RX_PIN_NUM_MASK)
#define RX_GET_PSEL(pinctrl) (((pinctrl) >> RX_PSEL_POS) & RX_PSEL_MASK)
#endif /* ZEPHYR_SOC_RENESAS_RX_COMMON_PINCTRL_SOC_H_ */