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drivers: pinctrl: Add initial support for RZ/A2M

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Add pinctrl support for RZ/A2M

Signed-off-by: Hieu Nguyen <hieu.nguyen.ym@bp.renesas.com>
Signed-off-by: Binh Nguyen <binh.nguyen.xw@renesas.com>
Signed-off-by: Hoang Nguyen <hoang.nguyen.jx@bp.renesas.com>
This commit is contained in:
Hieu Nguyen 2025-04-15 01:55:07 +00:00 • committed by Benjamin Cabé
commit f1b5511a23
8 changed files with 720 additions and 1 deletions
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60
soc/renesas/rz/rza2m/pinctrl_soc.h Normal file
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/*
* Copyright (c) 2025 Renesas Electronics Corporation
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#ifndef ZEPHYR_SOC_RENESAS_RZA2M_PINCTRL_SOC_H_
#define ZEPHYR_SOC_RENESAS_RZA2M_PINCTRL_SOC_H_
#include <zephyr/types.h>
typedef struct pinctrl_soc_pin {
uint8_t port;
uint8_t pin;
uint8_t func;
uint8_t drive_strength;
} pinctrl_soc_pin_t;
#define RZA2M_PINS_PER_PORT 8
#define RZA2M_MUX_FUNC_MAX (BIT(0) | BIT(1) | BIT(2))
#define RZA2M_FUNC_GPIO_INPUT BIT(3) /* Pin as input */
#define RZA2M_FUNC_GPIO_OUTPUT BIT(4) /* Pin as output */
#define RZA2M_FUNC_GPIO_INT_EN BIT(5) /* Enable interrupt for gpio */
#define RZA2M_FUNC_GPIO_INT_DIS BIT(6) /* Disable interrupt for gpio */
#define RZA2M_FUNC_GPIO_HIZ BIT(7) /* Hi-Z mode */
/*
* Use 16 lower bits [15:0] for pin identifier
* Use 16 higher bits [31:16] for pin mux function
*/
#define RZA2M_MUX_PIN_ID_MASK GENMASK(15, 0)
#define RZA2M_MUX_FUNC_MASK GENMASK(31, 16)
#define RZA2M_MUX_FUNC_OFFS 16
#define RZA2M_FUNC(prop) ((prop & RZA2M_MUX_FUNC_MASK) >> RZA2M_MUX_FUNC_OFFS)
#define RZA2M_PINCODE(prop) (prop & RZA2M_MUX_PIN_ID_MASK)
#define RZA2M_PORT(prop) ((RZA2M_PINCODE(prop)) / RZA2M_PINS_PER_PORT)
#define RZA2M_PIN(prop) ((RZA2M_PINCODE(prop)) % RZA2M_PINS_PER_PORT)
#define Z_PINCTRL_PINMUX_INIT(node_id, state_prop, idx) \
{ \
.port = RZA2M_PORT(DT_PROP_BY_IDX(node_id, state_prop, idx)), \
.pin = RZA2M_PIN(DT_PROP_BY_IDX(node_id, state_prop, idx)), \
.func = RZA2M_FUNC(DT_PROP_BY_IDX(node_id, state_prop, idx)), \
.drive_strength = DT_PROP_OR(node_id, drive_strength, 0), \
},
#define Z_PINCTRL_STATE_PIN_CHILD_INIT(node_id) \
COND_CODE_1(DT_NODE_HAS_PROP(node_id, pinmux), \
(DT_FOREACH_PROP_ELEM(node_id, pinmux, Z_PINCTRL_PINMUX_INIT)), \
())
#define Z_PINCTRL_STATE_PIN_INIT(node_id, state_prop, idx) \
DT_FOREACH_CHILD(DT_PHANDLE_BY_IDX(node_id, state_prop, idx), \
Z_PINCTRL_STATE_PIN_CHILD_INIT)
#define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \
{DT_FOREACH_PROP_ELEM_SEP(node_id, prop, Z_PINCTRL_STATE_PIN_INIT, ())};
#endif /* ZEPHYR_SOC_RENESAS_RZA2M_PINCTRL_SOC_H_ */