| /* |
| * Copyright (c) 2020 Linaro Ltd. |
| * Copyright (c) 2021 Nordic Semiconductor ASA |
| * Copyright (c) 2021 Microchip Technology Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file |
| * Microchip XEC SoC specific helpers for pinctrl driver |
| */ |
| |
| #ifndef ZEPHYR_SOC_ARM_MICROCHIP_XEC_COMMON_PINCTRL_SOC_H_ |
| #define ZEPHYR_SOC_ARM_MICROCHIP_XEC_COMMON_PINCTRL_SOC_H_ |
| |
| #include <zephyr/devicetree.h> |
| #include <zephyr/types.h> |
| |
| #include <zephyr/dt-bindings/pinctrl/mchp-xec-pinctrl.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** @cond INTERNAL_HIDDEN */ |
| |
| /* Type for MCHP XEC pin. */ |
| typedef struct { |
| /** Pinmux settings (port, pin and function). */ |
| uint16_t pinmux; |
| /** Pin configuration (bias, drive and slew rate). */ |
| uint16_t pincfg; |
| } pinctrl_soc_pin_t; |
| |
| /* initialize pinmux member fields of pinctrl_pin_t */ |
| #define Z_PINCTRL_MCHP_XEC_PINMUX_INIT(node_id) DT_PROP(node_id, pinmux) |
| |
| #define MCHP_XEC_BIAS_DIS_VAL(nid) \ |
| (MCHP_XEC_NO_PULL * DT_PROP(nid, bias_disable)) |
| |
| #define MCHP_XEC_BIAS_PU_VAL(nid) \ |
| (MCHP_XEC_PULL_UP * DT_PROP(nid, bias_pull_up)) |
| |
| #define MCHP_XEC_BIAS_PD_VAL(nid) \ |
| (MCHP_XEC_PULL_DOWN * DT_PROP(nid, bias_pull_down)) |
| |
| #define MCHP_XEC_DRV_PP_VAL(nid) \ |
| (MCHP_XEC_PUSH_PULL * DT_PROP(nid, drive_push_pull)) |
| |
| #define MCHP_XEC_DRV_OD_VAL(nid) \ |
| (MCHP_XEC_OPEN_DRAIN * DT_PROP(nid, drive_open_drain)) |
| |
| #define MCHP_XEC_OVAL_DRV_LO(nid) \ |
| (MCHP_XEC_OVAL_LOW * DT_PROP(nid, output_low)) |
| |
| #define MCHP_XEC_OVAL_DRV_HI(nid) \ |
| (MCHP_XEC_OVAL_HIGH * DT_PROP(nid, output_high)) |
| |
| #define MCHP_XEC_LOW_POWER_EN(nid) \ |
| (MCHP_XEC_PIN_LOW_POWER * DT_PROP(nid, low_power_enable)) |
| |
| #define MCHP_XEC_SLEW_VAL(nid) \ |
| (DT_ENUM_IDX_OR(nid, slew_rate, MCHP_XEC_OSPEEDR_NO_CHG) << \ |
| MCHP_XEC_OSPEEDR_POS) |
| |
| #define MCHP_XEC_DRVSTR_VAL(nid) \ |
| (DT_ENUM_IDX_OR(nid, drive_strength, MCHP_XEC_ODRVSTR_NO_CHG) << \ |
| MCHP_XEC_ODRVSTR_POS) |
| |
| /* initialize pincfg field in structure pinctrl_pin_t */ |
| #define Z_PINCTRL_MCHP_XEC_PINCFG_INIT(node_id) \ |
| ((MCHP_XEC_BIAS_DIS_VAL(node_id) << MCHP_XEC_PUPDR_POS) | \ |
| (MCHP_XEC_BIAS_PU_VAL(node_id) << MCHP_XEC_PUPDR_POS) | \ |
| (MCHP_XEC_BIAS_PD_VAL(node_id) << MCHP_XEC_PUPDR_POS) | \ |
| (MCHP_XEC_DRV_PP_VAL(node_id) << MCHP_XEC_OTYPER_POS) | \ |
| (MCHP_XEC_DRV_OD_VAL(node_id) << MCHP_XEC_OTYPER_POS) | \ |
| (MCHP_XEC_OVAL_DRV_LO(node_id) << MCHP_XEC_OVAL_POS) | \ |
| (MCHP_XEC_OVAL_DRV_HI(node_id) << MCHP_XEC_OVAL_POS) | \ |
| (MCHP_XEC_LOW_POWER_EN(node_id) << MCHP_XEC_PIN_LOW_POWER_POS) | \ |
| MCHP_XEC_SLEW_VAL(node_id) | \ |
| MCHP_XEC_DRVSTR_VAL(node_id)) |
| |
| /* initialize pin structure members */ |
| #define Z_PINCTRL_STATE_PIN_INIT(node_id, state_prop, idx) \ |
| { .pinmux = Z_PINCTRL_MCHP_XEC_PINMUX_INIT( \ |
| DT_PROP_BY_IDX(node_id, state_prop, idx)), \ |
| .pincfg = Z_PINCTRL_MCHP_XEC_PINCFG_INIT( \ |
| DT_PROP_BY_IDX(node_id, state_prop, idx)), }, |
| |
| /* Use DT FOREACH macro to initialize each used pin */ |
| #define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \ |
| {DT_FOREACH_PROP_ELEM(node_id, prop, Z_PINCTRL_STATE_PIN_INIT)} |
| |
| /** @endcond */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* ZEPHYR_SOC_ARM_MICROCHIP_XEC_COMMON_PINCTRL_SOC_H_ */ |