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devicetree: add instance based macros for DT_ENUM_IDX(_OR)

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The DT_ENUM_IDX and DT_ENUM_IDX_OR macros did not have the instance
based equivalents. With them many drivers can be simplified.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2021-11-17 13:49:25 +01:00 • committed by Anas Nashif
commit e425168b7c
1 changed files with 20 additions and 0 deletions
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20
include/devicetree.h
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@ -2456,6 +2456,26 @@
#define DT_INST_FOREACH_CHILD_VARGS(inst, fn, ...) \
DT_FOREACH_CHILD_VARGS(DT_DRV_INST(inst), fn, __VA_ARGS__)
/**
* @brief Get a DT_DRV_COMPAT value's index into its enumeration values
* @param inst instance number
* @param prop lowercase-and-underscores property name
* @return zero-based index of the property's value in its enum: list
*/
#define DT_INST_ENUM_IDX(inst, prop) \
DT_ENUM_IDX(DT_DRV_INST(inst), prop)
/**
* @brief Like DT_INST_ENUM_IDX(), but with a fallback to a default enum index
* @param inst instance number
* @param prop lowercase-and-underscores property name
* @param default_idx_value a fallback index value to expand to
* @return zero-based index of the property's value in its enum if present,
* default_idx_value ohterwise
*/
#define DT_INST_ENUM_IDX_OR(inst, prop, default_idx_value) \
DT_ENUM_IDX_OR(DT_DRV_INST(inst), prop, default_idx_value)
/**
* @brief Get a DT_DRV_COMPAT instance property
* @param inst instance number