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drivers: pinctrl: Add support for RZ/T2L

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This is the initial commit to support PINCTRL driver for Renesas RZ/T2L

Signed-off-by: Nhut Nguyen <nhut.nguyen.kc@renesas.com>
Signed-off-by: Hieu Nguyen <hieu.nguyen.ym@bp.renesas.com>
This commit is contained in:
Nhut Nguyen 2025-02-28 03:00:56 +00:00 • committed by Benjamin Cabé
commit be6abc3208
6 changed files with 238 additions and 1 deletions
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68
soc/renesas/rz/common/pinctrl_rzt.h Normal file
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/*
* Copyright (c) 2025 Renesas Electronics Corporation
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_SOC_RENESAS_RZ_COMMON_PINCTRL_RZT_H_
#define ZEPHYR_SOC_RENESAS_RZ_COMMON_PINCTRL_RZT_H_
#include <zephyr/types.h>
#include <zephyr/devicetree.h>
#include "r_ioport.h"
#ifdef __cplusplus
extern "C" {
#endif
#define RZT_GET_PORT_PIN(pinmux) (pinmux & ~(0xF << 4))
#define RZT_GET_FUNC(pinmux) ((pinmux & 0xF0) >> 4)
/*Porting*/
typedef struct pinctrl_cfg_data_t {
uint32_t p_reg: 1;
uint32_t pm_reg: 2;
uint32_t pmc_reg: 1;
uint32_t pfc_reg: 4;
uint32_t drct_reg: 6;
uint32_t rsel_reg: 1;
uint32_t reserved: 17;
} pinctrl_cfg_data_t;
typedef struct pinctrl_soc_pin_t {
bsp_io_port_pin_t port_pin;
pinctrl_cfg_data_t config;
} pinctrl_soc_pin_t;
#define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx) \
{ \
.port_pin = RZT_GET_PORT_PIN(DT_PROP_BY_IDX(node_id, prop, idx)), \
.config = \
{ \
.p_reg = DT_PROP(node_id, output_high), \
.pm_reg = DT_PROP(node_id, input_enable) == 1 \
? 1U \
: (DT_PROP(node_id, output_enable) == 1 ? 2U \
: 0U), \
.pmc_reg = 1, \
.pfc_reg = RZT_GET_FUNC(DT_PROP_BY_IDX(node_id, prop, idx)), \
.drct_reg = \
(DT_ENUM_IDX(node_id, drive_strength)) | \
((DT_PROP(node_id, bias_pull_up) == 1 \
? 1U \
: (DT_PROP(node_id, bias_pull_down) == 1 ? 2U \
: 0)) \
<< 2) | \
(DT_PROP(node_id, input_schmitt_enable) << 4) | \
(DT_ENUM_IDX(node_id, slew_rate) << 5), \
.rsel_reg = 1, \
.reserved = 0, \
}, \
},
#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_SOC_RENESAS_RZ_COMMON_PINCTRL_RZT_H_*/