zephyr/soc/riscv/riscv-ite/common/soc_dt.h

101 lines
3.2 KiB
C

/*
* Copyright (c) 2021 ITE Corporation. All Rights Reserved.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _ITE_IT8XXX2_SOC_DT_H_
#define _ITE_IT8XXX2_SOC_DT_H_
#define IT8XXX2_DEV_PINMUX(idx, inst) DEVICE_DT_GET(DT_PHANDLE( \
DT_INST_PINCTRL_0(inst, idx), pinctrls))
#define IT8XXX2_DEV_PIN(idx, inst) DT_PHA( \
DT_INST_PINCTRL_0(inst, idx), pinctrls, pin)
#define IT8XXX2_DEV_ALT_FUNC(idx, inst) DT_PHA( \
DT_INST_PINCTRL_0(inst, idx), pinctrls, alt_func)
/**
* @brief Macro function to construct it8xxx2 alt item in UTIL_LISTIFY extension.
*
* @param idx index in UTIL_LISTIFY extension.
* @param inst instance number for compatible defined in DT_DRV_COMPAT.
* @return macro function to construct a it8xxx2 alt structure.
*/
#define IT8XXX2_DT_ALT_ITEMS_FUNC(idx, inst) \
{ \
.pinctrls = IT8XXX2_DEV_PINMUX(idx, inst), \
.pin = IT8XXX2_DEV_PIN(idx, inst), \
.alt_fun = IT8XXX2_DEV_ALT_FUNC(idx, inst), \
}
/**
* @brief Macro function to construct a list of it8xxx2 alt items with
* compatible defined in DT_DRV_COMPAT by UTIL_LISTIFY func
*
* @param inst instance number for compatible defined in DT_DRV_COMPAT.
* @return an array of it8xxx2 alt items.
*/
#define IT8XXX2_DT_ALT_ITEMS_LIST(inst) { \
LISTIFY(DT_INST_NUM_PINCTRLS_BY_IDX(inst, 0), \
IT8XXX2_DT_ALT_ITEMS_FUNC, (,), \
inst) \
}
/*
* For it8xxx2 wake-up controller (WUC)
*/
#define IT8XXX2_DEV_WUC(idx, inst) \
DEVICE_DT_GET(DT_PHANDLE(IT8XXX2_DT_INST_WUCCTRL(inst, idx), wucs))
#define IT8XXX2_DEV_WUC_MASK(idx, inst) \
DT_PHA(IT8XXX2_DT_INST_WUCCTRL(inst, idx), wucs, mask)
/**
* @brief For it8xxx2, get a node identifier from a wucctrl property
* for a DT_DRV_COMPAT instance
*
* @param inst instance number
* @param idx index in the wucctrl property
* @return node identifier for the phandle at index idx in the wucctrl
* property of that DT_DRV_COMPAT instance
*/
#define IT8XXX2_DT_INST_WUCCTRL(inst, idx) \
DT_INST_PHANDLE_BY_IDX(inst, wucctrl, idx)
/**
* @brief For it8xxx2, construct wuc map structure in LISTIFY extension
*
* @param idx index in LISTIFY extension
* @param inst instance number for compatible defined in DT_DRV_COMPAT
* @return a structure of *_wuc_map_cfg
*/
#define IT8XXX2_DT_WUC_ITEMS_FUNC(idx, inst) \
{ \
.wucs = IT8XXX2_DEV_WUC(idx, inst), \
.mask = IT8XXX2_DEV_WUC_MASK(idx, inst), \
}
/**
* @brief For it8xxx2, get the length of wucctrl property which
* type is 'phandle-array' for a DT_DRV_COMPAT instance
*
* @param inst instance number
* @return length of wucctrl property which type is 'phandle-array'
*/
#define IT8XXX2_DT_INST_WUCCTRL_LEN(inst) \
DT_INST_PROP_LEN(inst, wucctrl)
/**
* @brief For it8xxx2, construct an array of it8xxx2 wuc map structure
* with compatible defined in DT_DRV_COMPAT by LISTIFY func
*
* @param inst instance number for compatible defined in DT_DRV_COMPAT
* @return an array of *_wuc_map_cfg structure
*/
#define IT8XXX2_DT_WUC_ITEMS_LIST(inst) { \
LISTIFY(IT8XXX2_DT_INST_WUCCTRL_LEN(inst), \
IT8XXX2_DT_WUC_ITEMS_FUNC, (,), \
inst) \
}
#endif /* _ITE_IT8XXX2_SOC_DT_H_ */