devicetree.h File Reference

Devicetree main header. More...

#include <zephyr/devicetree_generated.h>
#include <zephyr/irq_multilevel.h>
#include <zephyr/sys/util.h>
#include <zephyr/devicetree/io-channels.h>
#include <zephyr/devicetree/clocks.h>
#include <zephyr/devicetree/gpio.h>
#include <zephyr/devicetree/spi.h>
#include <zephyr/devicetree/dma.h>
#include <zephyr/devicetree/pwms.h>
#include <zephyr/devicetree/fixed-partitions.h>
#include <zephyr/devicetree/ordinals.h>
#include <zephyr/devicetree/pinctrl.h>
#include <zephyr/devicetree/can.h>
#include <zephyr/devicetree/reset.h>
#include <zephyr/devicetree/mbox.h>

Go to the source code of this file.

Macros
#define	DT_INVALID_NODE   _
	Name for an invalid node identifier.
#define	DT_ROOT   DT_N
	Node identifier for the root node in the devicetree.
#define	DT_PATH(...)   DT_PATH_INTERNAL(__VA_ARGS__)
	Get a node identifier for a devicetree path.
#define	DT_NODELABEL(label)   DT_CAT(DT_N_NODELABEL_, label)
	Get a node identifier for a node label.
#define	DT_ALIAS(alias)   DT_CAT(DT_N_ALIAS_, alias)
	Get a node identifier from /aliases.
#define	DT_INST(inst, compat)   UTIL_CAT(DT_N_INST, DT_DASH(inst, compat))
	Get a node identifier for an instance of a compatible.
#define	DT_PARENT(node_id)   DT_CAT(node_id, _PARENT)
	Get a node identifier for a parent node.
#define	DT_GPARENT(node_id)   DT_PARENT(DT_PARENT(node_id))
	Get a node identifier for a grandparent node.
#define	DT_CHILD(node_id, child)   UTIL_CAT(node_id, DT_S_PREFIX(child))
	Get a node identifier for a child node.
#define	DT_COMPAT_GET_ANY_STATUS_OKAY(compat)
	Get a node identifier for a status okay node with a compatible.
#define	DT_NODE_PATH(node_id)   DT_CAT(node_id, _PATH)
	Get a devicetree node's full path as a string literal.
#define	DT_NODE_FULL_NAME(node_id)   DT_CAT(node_id, _FULL_NAME)
	Get a devicetree node's name with unit-address as a string literal.
#define	DT_NODE_CHILD_IDX(node_id)   DT_CAT(node_id, _CHILD_IDX)
	Get a devicetree node's index into its parent's list of children.
#define	DT_CHILD_NUM(node_id)   DT_CAT(node_id, _CHILD_NUM)
	Get the number of child nodes of a given node.
#define	DT_CHILD_NUM_STATUS_OKAY(node_id)    DT_CAT(node_id, _CHILD_NUM_STATUS_OKAY)
	Get the number of child nodes of a given node which child nodes' status are okay.
#define	DT_SAME_NODE(node_id1, node_id2)    (DT_DEP_ORD(node_id1) == (DT_DEP_ORD(node_id2)))
	Do node_id1 and node_id2 refer to the same node?
#define	DT_NODELABEL_STRING_ARRAY(node_id)    { DT_FOREACH_NODELABEL(node_id, DT_NODELABEL_STRING_ARRAY_ENTRY_INTERNAL) }
	Get a devicetree node's node labels as an array of strings.
#define	DT_PROP(node_id, prop)   DT_CAT3(node_id, _P_, prop)
	Get a devicetree property value.
#define	DT_PROP_LEN(node_id, prop)   DT_CAT4(node_id, _P_, prop, _LEN)
	Get a property's logical length.
#define	DT_PROP_LEN_OR(node_id, prop, default_value)
	Like DT_PROP_LEN(), but with a fallback to default_value.
#define	DT_PROP_HAS_IDX(node_id, prop, idx)    IS_ENABLED(DT_CAT6(node_id, _P_, prop, _IDX_, idx, _EXISTS))
	Is index idx valid for an array type property?
#define	DT_PROP_HAS_NAME(node_id, prop, name)    IS_ENABLED(DT_CAT6(node_id, _P_, prop, _NAME_, name, _EXISTS))
	Is name name available in a foo-names property?
#define	DT_PROP_BY_IDX(node_id, prop, idx)    DT_CAT5(node_id, _P_, prop, _IDX_, idx)
	Get the value at index idx in an array type property.
#define	DT_PROP_OR(node_id, prop, default_value)
	Like DT_PROP(), but with a fallback to default_value.
#define	DT_ENUM_IDX(node_id, prop)   DT_CAT4(node_id, _P_, prop, _ENUM_IDX)
	Get a property value's index into its enumeration values.
#define	DT_ENUM_IDX_OR(node_id, prop, default_idx_value)
	Like DT_ENUM_IDX(), but with a fallback to a default enum index.
#define	DT_ENUM_HAS_VALUE(node_id, prop, value)    IS_ENABLED(DT_CAT6(node_id, _P_, prop, _ENUM_VAL_, value, _EXISTS))
	Does a node enumeration property have a given value?
#define	DT_STRING_TOKEN(node_id, prop)    DT_CAT4(node_id, _P_, prop, _STRING_TOKEN)
	Get a string property's value as a token.
#define	DT_STRING_TOKEN_OR(node_id, prop, default_value)
	Like DT_STRING_TOKEN(), but with a fallback to default_value.
#define	DT_STRING_UPPER_TOKEN(node_id, prop)    DT_CAT4(node_id, _P_, prop, _STRING_UPPER_TOKEN)
	Like DT_STRING_TOKEN(), but uppercased.
#define	DT_STRING_UPPER_TOKEN_OR(node_id, prop, default_value)
	Like DT_STRING_UPPER_TOKEN(), but with a fallback to default_value.
#define	DT_STRING_UNQUOTED(node_id, prop)    DT_CAT4(node_id, _P_, prop, _STRING_UNQUOTED)
	Get a string property's value as an unquoted sequence of tokens.
#define	DT_STRING_UNQUOTED_OR(node_id, prop, default_value)
	Like DT_STRING_UNQUOTED(), but with a fallback to default_value.
#define	DT_STRING_TOKEN_BY_IDX(node_id, prop, idx)    DT_CAT6(node_id, _P_, prop, _IDX_, idx, _STRING_TOKEN)
	Get an element out of a string-array property as a token.
#define	DT_STRING_UPPER_TOKEN_BY_IDX(node_id, prop, idx)    DT_CAT6(node_id, _P_, prop, _IDX_, idx, _STRING_UPPER_TOKEN)
	Like DT_STRING_TOKEN_BY_IDX(), but uppercased.
#define	DT_STRING_UNQUOTED_BY_IDX(node_id, prop, idx)    DT_CAT6(node_id, _P_, prop, _IDX_, idx, _STRING_UNQUOTED)
	Get a string array item value as an unquoted sequence of tokens.
#define	DT_PROP_BY_PHANDLE_IDX(node_id, phs, idx, prop)    DT_PROP(DT_PHANDLE_BY_IDX(node_id, phs, idx), prop)
	Get a property value from a phandle in a property.
#define	DT_PROP_BY_PHANDLE_IDX_OR(node_id, phs, idx, prop, default_value)    DT_PROP_OR(DT_PHANDLE_BY_IDX(node_id, phs, idx), prop, default_value)
	Like DT_PROP_BY_PHANDLE_IDX(), but with a fallback to default_value.
#define	DT_PROP_BY_PHANDLE(node_id, ph, prop)    DT_PROP_BY_PHANDLE_IDX(node_id, ph, 0, prop)
	Get a property value from a phandle's node.
#define	DT_PHA_BY_IDX(node_id, pha, idx, cell)    DT_CAT7(node_id, _P_, pha, _IDX_, idx, _VAL_, cell)
	Get a phandle-array specifier cell value at an index.
#define	DT_PHA_BY_IDX_OR(node_id, pha, idx, cell, default_value)    DT_PROP_OR(node_id, DT_CAT5(pha, _IDX_, idx, _VAL_, cell), default_value)
	Like DT_PHA_BY_IDX(), but with a fallback to default_value.
#define	DT_PHA(node_id, pha, cell)   DT_PHA_BY_IDX(node_id, pha, 0, cell)
	Equivalent to DT_PHA_BY_IDX(node_id, pha, 0, cell)
#define	DT_PHA_OR(node_id, pha, cell, default_value)    DT_PHA_BY_IDX_OR(node_id, pha, 0, cell, default_value)
	Like DT_PHA(), but with a fallback to default_value.
#define	DT_PHA_BY_NAME(node_id, pha, name, cell)    DT_CAT7(node_id, _P_, pha, _NAME_, name, _VAL_, cell)
	Get a value within a phandle-array specifier by name.
#define	DT_PHA_BY_NAME_OR(node_id, pha, name, cell, default_value)    DT_PROP_OR(node_id, DT_CAT5(pha, _NAME_, name, _VAL_, cell), default_value)
	Like DT_PHA_BY_NAME(), but with a fallback to default_value.
#define	DT_PHANDLE_BY_NAME(node_id, pha, name)    DT_CAT6(node_id, _P_, pha, _NAME_, name, _PH)
	Get a phandle's node identifier from a phandle array by name.
#define	DT_PHANDLE_BY_IDX(node_id, prop, idx)    DT_CAT6(node_id, _P_, prop, _IDX_, idx, _PH)
	Get a node identifier for a phandle in a property.
#define	DT_PHANDLE(node_id, prop)   DT_PHANDLE_BY_IDX(node_id, prop, 0)
	Get a node identifier for a phandle property's value.
#define	DT_NUM_RANGES(node_id)   DT_CAT(node_id, _RANGES_NUM)
	Get the number of range blocks in the ranges property.
#define	DT_RANGES_HAS_IDX(node_id, idx)    IS_ENABLED(DT_CAT4(node_id, _RANGES_IDX_, idx, _EXISTS))
	Is idx a valid range block index?
#define	DT_RANGES_HAS_CHILD_BUS_FLAGS_AT_IDX(node_id, idx)    IS_ENABLED(DT_CAT4(node_id, _RANGES_IDX_, idx, _VAL_CHILD_BUS_FLAGS_EXISTS))
	Does a ranges property have child bus flags at index?
#define	DT_RANGES_CHILD_BUS_FLAGS_BY_IDX(node_id, idx)    DT_CAT4(node_id, _RANGES_IDX_, idx, _VAL_CHILD_BUS_FLAGS)
	Get the ranges property child bus flags at index.
#define	DT_RANGES_CHILD_BUS_ADDRESS_BY_IDX(node_id, idx)    DT_CAT4(node_id, _RANGES_IDX_, idx, _VAL_CHILD_BUS_ADDRESS)
	Get the ranges property child bus address at index.
#define	DT_RANGES_PARENT_BUS_ADDRESS_BY_IDX(node_id, idx)    DT_CAT4(node_id, _RANGES_IDX_, idx, _VAL_PARENT_BUS_ADDRESS)
	Get the ranges property parent bus address at index.
#define	DT_RANGES_LENGTH_BY_IDX(node_id, idx)    DT_CAT4(node_id, _RANGES_IDX_, idx, _VAL_LENGTH)
	Get the ranges property length at index.
#define	DT_FOREACH_RANGE(node_id, fn)    DT_CAT(node_id, _FOREACH_RANGE)(fn)
	Invokes fn for each entry of node_id ranges property.
#define	DT_NODE_VENDOR_BY_IDX(node_id, idx)    DT_CAT3(node_id, _COMPAT_VENDOR_IDX_, idx)
	Get the vendor at index idx as a string literal.
#define	DT_NODE_VENDOR_HAS_IDX(node_id, idx)    IS_ENABLED(DT_CAT4(node_id, _COMPAT_VENDOR_IDX_, idx, _EXISTS))
	Does a node's compatible property have a vendor at an index?
#define	DT_NODE_VENDOR_BY_IDX_OR(node_id, idx, default_value)
	Like DT_NODE_VENDOR_BY_IDX(), but with a fallback to default_value.
#define	DT_NODE_VENDOR_OR(node_id, default_value)    DT_NODE_VENDOR_BY_IDX_OR(node_id, 0, default_value)
	Get the node's (only) vendor as a string literal.
#define	DT_NODE_MODEL_BY_IDX(node_id, idx)    DT_CAT3(node_id, _COMPAT_MODEL_IDX_, idx)
	Get the model at index "idx" as a string literal.
#define	DT_NODE_MODEL_HAS_IDX(node_id, idx)    IS_ENABLED(DT_CAT4(node_id, _COMPAT_MODEL_IDX_, idx, _EXISTS))
	Does a node's compatible property have a model at an index?
#define	DT_NODE_MODEL_BY_IDX_OR(node_id, idx, default_value)
	Like DT_NODE_MODEL_BY_IDX(), but with a fallback to default_value.
#define	DT_NODE_MODEL_OR(node_id, default_value)    DT_NODE_MODEL_BY_IDX_OR(node_id, 0, default_value)
	Get the node's (only) model as a string literal.
#define	DT_NUM_REGS(node_id)   DT_CAT(node_id, _REG_NUM)
	Get the number of register blocks in the reg property.
#define	DT_REG_HAS_IDX(node_id, idx)    IS_ENABLED(DT_CAT4(node_id, _REG_IDX_, idx, _EXISTS))
	Is idx a valid register block index?
#define	DT_REG_HAS_NAME(node_id, name)    IS_ENABLED(DT_CAT4(node_id, _REG_NAME_, name, _EXISTS))
	Is name a valid register block name?
#define	DT_REG_ADDR_BY_IDX(node_id, idx)    DT_CAT4(node_id, _REG_IDX_, idx, _VAL_ADDRESS)
	Get the base address of the register block at index idx.
#define	DT_REG_SIZE_BY_IDX(node_id, idx)    DT_CAT4(node_id, _REG_IDX_, idx, _VAL_SIZE)
	Get the size of the register block at index idx.
#define	DT_REG_ADDR(node_id)   DT_REG_ADDR_BY_IDX(node_id, 0)
	Get a node's (only) register block address.
#define	DT_REG_ADDR_U64(node_id)   DT_U64_C(DT_REG_ADDR(node_id))
	64-bit version of DT_REG_ADDR()
#define	DT_REG_SIZE(node_id)   DT_REG_SIZE_BY_IDX(node_id, 0)
	Get a node's (only) register block size.
#define	DT_REG_ADDR_BY_NAME(node_id, name)    DT_CAT4(node_id, _REG_NAME_, name, _VAL_ADDRESS)
	Get a register block's base address by name.
#define	DT_REG_ADDR_BY_NAME_OR(node_id, name, default_value)
	Like DT_REG_ADDR_BY_NAME(), but with a fallback to default_value.
#define	DT_REG_ADDR_BY_NAME_U64(node_id, name)    DT_U64_C(DT_REG_ADDR_BY_NAME(node_id, name))
	64-bit version of DT_REG_ADDR_BY_NAME()
#define	DT_REG_SIZE_BY_NAME(node_id, name)    DT_CAT4(node_id, _REG_NAME_, name, _VAL_SIZE)
	Get a register block's size by name.
#define	DT_REG_SIZE_BY_NAME_OR(node_id, name, default_value)
	Like DT_REG_SIZE_BY_NAME(), but with a fallback to default_value.
#define	DT_NUM_IRQS(node_id)   DT_CAT(node_id, _IRQ_NUM)
	Get the number of interrupt sources for the node.
#define	DT_NUM_NODELABELS(node_id)   DT_CAT(node_id, _NODELABEL_NUM)
	Get the number of node labels that a node has.
#define	DT_IRQ_LEVEL(node_id)   DT_CAT(node_id, _IRQ_LEVEL)
	Get the interrupt level for the node.
#define	DT_IRQ_HAS_IDX(node_id, idx)    IS_ENABLED(DT_CAT4(node_id, _IRQ_IDX_, idx, _EXISTS))
	Is idx a valid interrupt index?
#define	DT_IRQ_HAS_CELL_AT_IDX(node_id, idx, cell)    IS_ENABLED(DT_CAT6(node_id, _IRQ_IDX_, idx, _VAL_, cell, _EXISTS))
	Does an interrupts property have a named cell specifier at an index? If this returns 1, then DT_IRQ_BY_IDX(node_id, idx, cell) is valid.
#define	DT_IRQ_HAS_CELL(node_id, cell)   DT_IRQ_HAS_CELL_AT_IDX(node_id, 0, cell)
	Equivalent to DT_IRQ_HAS_CELL_AT_IDX(node_id, 0, cell)
#define	DT_IRQ_HAS_NAME(node_id, name)    IS_ENABLED(DT_CAT4(node_id, _IRQ_NAME_, name, _VAL_irq_EXISTS))
	Does an interrupts property have a named specifier value at an index? If this returns 1, then DT_IRQ_BY_NAME(node_id, name, cell) is valid.
#define	DT_IRQ_BY_IDX(node_id, idx, cell)    DT_CAT5(node_id, _IRQ_IDX_, idx, _VAL_, cell)
	Get a value within an interrupt specifier at an index.
#define	DT_IRQ_BY_NAME(node_id, name, cell)    DT_CAT5(node_id, _IRQ_NAME_, name, _VAL_, cell)
	Get a value within an interrupt specifier by name.
#define	DT_IRQ(node_id, cell)   DT_IRQ_BY_IDX(node_id, 0, cell)
	Get an interrupt specifier's value Equivalent to DT_IRQ_BY_IDX(node_id, 0, cell).
#define	DT_IRQ_INTC_BY_IDX(node_id, idx)    DT_CAT4(node_id, _IRQ_IDX_, idx, _CONTROLLER)
	Get an interrupt specifier's interrupt controller by index.
#define	DT_IRQ_INTC_BY_NAME(node_id, name)    DT_CAT4(node_id, _IRQ_NAME_, name, _CONTROLLER)
	Get an interrupt specifier's interrupt controller by name.
#define	DT_IRQ_INTC(node_id)    DT_IRQ_INTC_BY_IDX(node_id, 0)
	Get an interrupt specifier's interrupt controller.
#define	DT_IRQN_BY_IDX(node_id, idx)
	Get the node's Zephyr interrupt number at index If CONFIG_MULTI_LEVEL_INTERRUPTS is enabled, the interrupt number at index will be multi-level encoded.
#define	DT_IRQN(node_id)   DT_IRQN_BY_IDX(node_id, 0)
	Get a node's (only) irq number.
#define	DT_CHOSEN(prop)   DT_CAT(DT_CHOSEN_, prop)
	Get a node identifier for a /chosen node property.
#define	DT_HAS_CHOSEN(prop)   IS_ENABLED(DT_CAT3(DT_CHOSEN_, prop, _EXISTS))
	Test if the devicetree has a /chosen node.
#define	DT_FOREACH_NODE(fn)   DT_FOREACH_HELPER(fn)
	Invokes fn for every node in the tree.
#define	DT_FOREACH_NODE_VARGS(fn, ...)   DT_FOREACH_VARGS_HELPER(fn, __VA_ARGS__)
	Invokes fn for every node in the tree with multiple arguments.
#define	DT_FOREACH_STATUS_OKAY_NODE(fn)   DT_FOREACH_OKAY_HELPER(fn)
	Invokes fn for every status okay node in the tree.
#define	DT_FOREACH_STATUS_OKAY_NODE_VARGS(fn, ...)   DT_FOREACH_OKAY_VARGS_HELPER(fn, __VA_ARGS__)
	Invokes fn for every status okay node in the tree with multiple arguments.
#define	DT_FOREACH_CHILD(node_id, fn)    DT_CAT(node_id, _FOREACH_CHILD)(fn)
	Invokes fn for each child of node_id.
#define	DT_FOREACH_CHILD_SEP(node_id, fn, sep)    DT_CAT(node_id, _FOREACH_CHILD_SEP)(fn, sep)
	Invokes fn for each child of node_id with a separator.
#define	DT_FOREACH_CHILD_VARGS(node_id, fn, ...)    DT_CAT(node_id, _FOREACH_CHILD_VARGS)(fn, __VA_ARGS__)
	Invokes fn for each child of node_id with multiple arguments.
#define	DT_FOREACH_CHILD_SEP_VARGS(node_id, fn, sep, ...)    DT_CAT(node_id, _FOREACH_CHILD_SEP_VARGS)(fn, sep, __VA_ARGS__)
	Invokes fn for each child of node_id with separator and multiple arguments.
#define	DT_FOREACH_CHILD_STATUS_OKAY(node_id, fn)    DT_CAT(node_id, _FOREACH_CHILD_STATUS_OKAY)(fn)
	Call fn on the child nodes with status okay
#define	DT_FOREACH_CHILD_STATUS_OKAY_SEP(node_id, fn, sep)    DT_CAT(node_id, _FOREACH_CHILD_STATUS_OKAY_SEP)(fn, sep)
	Call fn on the child nodes with status okay with separator.
#define	DT_FOREACH_CHILD_STATUS_OKAY_VARGS(node_id, fn, ...)    DT_CAT(node_id, _FOREACH_CHILD_STATUS_OKAY_VARGS)(fn, __VA_ARGS__)
	Call fn on the child nodes with status okay with multiple arguments.
#define	DT_FOREACH_CHILD_STATUS_OKAY_SEP_VARGS(node_id, fn, sep, ...)    DT_CAT(node_id, _FOREACH_CHILD_STATUS_OKAY_SEP_VARGS)(fn, sep, __VA_ARGS__)
	Call fn on the child nodes with status okay with separator and multiple arguments.
#define	DT_FOREACH_PROP_ELEM(node_id, prop, fn)    DT_CAT4(node_id, _P_, prop, _FOREACH_PROP_ELEM)(fn)
	Invokes fn for each element in the value of property prop.
#define	DT_FOREACH_PROP_ELEM_SEP(node_id, prop, fn, sep)    DT_CAT4(node_id, _P_, prop, _FOREACH_PROP_ELEM_SEP)(fn, sep)
	Invokes fn for each element in the value of property prop with separator.
#define	DT_FOREACH_PROP_ELEM_VARGS(node_id, prop, fn, ...)    DT_CAT4(node_id, _P_, prop, _FOREACH_PROP_ELEM_VARGS)(fn, __VA_ARGS__)
	Invokes fn for each element in the value of property prop with multiple arguments.
#define	DT_FOREACH_PROP_ELEM_SEP_VARGS(node_id, prop, fn, sep, ...)
	Invokes fn for each element in the value of property prop with multiple arguments and a separator.
#define	DT_FOREACH_STATUS_OKAY(compat, fn)
	Invokes fn for each status okay node of a compatible.
#define	DT_FOREACH_STATUS_OKAY_VARGS(compat, fn, ...)
	Invokes fn for each status okay node of a compatible with multiple arguments.
#define	DT_FOREACH_NODELABEL(node_id, fn)   DT_CAT(node_id, _FOREACH_NODELABEL)(fn)
	Invokes fn for each node label of a given node.
#define	DT_FOREACH_NODELABEL_VARGS(node_id, fn, ...)    DT_CAT(node_id, _FOREACH_NODELABEL_VARGS)(fn, __VA_ARGS__)
	Invokes fn for each node label of a given node with multiple arguments.
#define	DT_NODE_EXISTS(node_id)   IS_ENABLED(DT_CAT(node_id, _EXISTS))
	Does a node identifier refer to a node?
#define	DT_NODE_HAS_STATUS(node_id, status)    DT_NODE_HAS_STATUS_INTERNAL(node_id, status)
	Does a node identifier refer to a node with a status?
#define	DT_HAS_COMPAT_STATUS_OKAY(compat)    IS_ENABLED(DT_CAT(DT_COMPAT_HAS_OKAY_, compat))
	Does the devicetree have a status okay node with a compatible?
#define	DT_NUM_INST_STATUS_OKAY(compat)
	Get the number of instances of a given compatible with status okay
#define	DT_NODE_HAS_COMPAT(node_id, compat)    IS_ENABLED(DT_CAT3(node_id, _COMPAT_MATCHES_, compat))
	Does a devicetree node match a compatible?
#define	DT_NODE_HAS_COMPAT_STATUS(node_id, compat, status)    UTIL_AND(DT_NODE_HAS_COMPAT(node_id, compat), DT_NODE_HAS_STATUS(node_id, status))
	Does a devicetree node have a compatible and status?
#define	DT_NODE_HAS_PROP(node_id, prop)    IS_ENABLED(DT_CAT4(node_id, _P_, prop, _EXISTS))
	Does a devicetree node have a property?
#define	DT_PHA_HAS_CELL_AT_IDX(node_id, pha, idx, cell)
	Does a phandle array have a named cell specifier at an index?
#define	DT_PHA_HAS_CELL(node_id, pha, cell)    DT_PHA_HAS_CELL_AT_IDX(node_id, pha, 0, cell)
	Equivalent to DT_PHA_HAS_CELL_AT_IDX(node_id, pha, 0, cell)
#define	DT_BUS(node_id)   DT_CAT(node_id, _BUS)
	Node's bus controller.
#define	DT_ON_BUS(node_id, bus)   IS_ENABLED(DT_CAT3(node_id, _BUS_, bus))
	Is a node on a bus of a given type?
#define	DT_DRV_INST(inst)   DT_INST(inst, DT_DRV_COMPAT)
	Node identifier for an instance of a DT_DRV_COMPAT compatible.
#define	DT_INST_PARENT(inst)   DT_PARENT(DT_DRV_INST(inst))
	Get a DT_DRV_COMPAT parent's node identifier.
#define	DT_INST_GPARENT(inst)   DT_GPARENT(DT_DRV_INST(inst))
	Get a DT_DRV_COMPAT grandparent's node identifier.
#define	DT_INST_CHILD(inst, child)    DT_CHILD(DT_DRV_INST(inst), child)
	Get a node identifier for a child node of DT_DRV_INST(inst)
#define	DT_INST_CHILD_NUM(inst)   DT_CHILD_NUM(DT_DRV_INST(inst))
	Get the number of child nodes of a given node.
#define	DT_INST_CHILD_NUM_STATUS_OKAY(inst)    DT_CHILD_NUM_STATUS_OKAY(DT_DRV_INST(inst))
	Get the number of child nodes of a given node.
#define	DT_INST_NODELABEL_STRING_ARRAY(inst)   DT_NODELABEL_STRING_ARRAY(DT_DRV_INST(inst))
	Get a string array of DT_DRV_INST(inst)'s node labels.
#define	DT_INST_NUM_NODELABELS(inst)   DT_NUM_NODELABELS(DT_DRV_INST(inst))
	Get the number of node labels by instance number.
#define	DT_INST_FOREACH_CHILD(inst, fn)    DT_FOREACH_CHILD(DT_DRV_INST(inst), fn)
	Call fn on all child nodes of DT_DRV_INST(inst).
#define	DT_INST_FOREACH_CHILD_SEP(inst, fn, sep)    DT_FOREACH_CHILD_SEP(DT_DRV_INST(inst), fn, sep)
	Call fn on all child nodes of DT_DRV_INST(inst) with a separator.
#define	DT_INST_FOREACH_CHILD_VARGS(inst, fn, ...)    DT_FOREACH_CHILD_VARGS(DT_DRV_INST(inst), fn, __VA_ARGS__)
	Call fn on all child nodes of DT_DRV_INST(inst).
#define	DT_INST_FOREACH_CHILD_SEP_VARGS(inst, fn, sep, ...)    DT_FOREACH_CHILD_SEP_VARGS(DT_DRV_INST(inst), fn, sep, __VA_ARGS__)
	Call fn on all child nodes of DT_DRV_INST(inst) with separator.
#define	DT_INST_FOREACH_CHILD_STATUS_OKAY(inst, fn)    DT_FOREACH_CHILD_STATUS_OKAY(DT_DRV_INST(inst), fn)
	Call fn on all child nodes of DT_DRV_INST(inst) with status okay.
#define	DT_INST_FOREACH_CHILD_STATUS_OKAY_SEP(inst, fn, sep)    DT_FOREACH_CHILD_STATUS_OKAY_SEP(DT_DRV_INST(inst), fn, sep)
	Call fn on all child nodes of DT_DRV_INST(inst) with status okay and with separator.
#define	DT_INST_FOREACH_CHILD_STATUS_OKAY_VARGS(inst, fn, ...)    DT_FOREACH_CHILD_STATUS_OKAY_VARGS(DT_DRV_INST(inst), fn, __VA_ARGS__)
	Call fn on all child nodes of DT_DRV_INST(inst) with status okay and multiple arguments.
#define	DT_INST_FOREACH_CHILD_STATUS_OKAY_SEP_VARGS(inst, fn, sep, ...)    DT_FOREACH_CHILD_STATUS_OKAY_SEP_VARGS(DT_DRV_INST(inst), fn, sep, __VA_ARGS__)
	Call fn on all child nodes of DT_DRV_INST(inst) with status okay and with separator and multiple arguments.
#define	DT_INST_ENUM_IDX(inst, prop)    DT_ENUM_IDX(DT_DRV_INST(inst), prop)
	Get a DT_DRV_COMPAT value's index into its enumeration values.
#define	DT_INST_ENUM_IDX_OR(inst, prop, default_idx_value)    DT_ENUM_IDX_OR(DT_DRV_INST(inst), prop, default_idx_value)
	Like DT_INST_ENUM_IDX(), but with a fallback to a default enum index.
#define	DT_INST_ENUM_HAS_VALUE(inst, prop, value)    DT_ENUM_HAS_VALUE(DT_DRV_INST(inst), prop, value)
	Does a DT_DRV_COMPAT enumeration property have a given value?
#define	DT_INST_PROP(inst, prop)   DT_PROP(DT_DRV_INST(inst), prop)
	Get a DT_DRV_COMPAT instance property.
#define	DT_INST_PROP_LEN(inst, prop)   DT_PROP_LEN(DT_DRV_INST(inst), prop)
	Get a DT_DRV_COMPAT property length.
#define	DT_INST_PROP_HAS_IDX(inst, prop, idx)    DT_PROP_HAS_IDX(DT_DRV_INST(inst), prop, idx)
	Is index idx valid for an array type property on a DT_DRV_COMPAT instance?
#define	DT_INST_PROP_HAS_NAME(inst, prop, name)    DT_PROP_HAS_NAME(DT_DRV_INST(inst), prop, name)
	Is name name available in a foo-names property?
#define	DT_INST_PROP_BY_IDX(inst, prop, idx)    DT_PROP_BY_IDX(DT_DRV_INST(inst), prop, idx)
	Get a DT_DRV_COMPAT element value in an array property.
#define	DT_INST_PROP_OR(inst, prop, default_value)    DT_PROP_OR(DT_DRV_INST(inst), prop, default_value)
	Like DT_INST_PROP(), but with a fallback to default_value.
#define	DT_INST_PROP_LEN_OR(inst, prop, default_value)    DT_PROP_LEN_OR(DT_DRV_INST(inst), prop, default_value)
	Like DT_INST_PROP_LEN(), but with a fallback to default_value.
#define	DT_INST_STRING_TOKEN(inst, prop)    DT_STRING_TOKEN(DT_DRV_INST(inst), prop)
	Get a DT_DRV_COMPAT instance's string property's value as a token.
#define	DT_INST_STRING_UPPER_TOKEN(inst, prop)    DT_STRING_UPPER_TOKEN(DT_DRV_INST(inst), prop)
	Like DT_INST_STRING_TOKEN(), but uppercased.
#define	DT_INST_STRING_UNQUOTED(inst, prop)    DT_STRING_UNQUOTED(DT_DRV_INST(inst), prop)
	Get a DT_DRV_COMPAT instance's string property's value as an unquoted sequence of tokens.
#define	DT_INST_STRING_TOKEN_BY_IDX(inst, prop, idx)    DT_STRING_TOKEN_BY_IDX(DT_DRV_INST(inst), prop, idx)
	Get an element out of string-array property as a token.
#define	DT_INST_STRING_UPPER_TOKEN_BY_IDX(inst, prop, idx)    DT_STRING_UPPER_TOKEN_BY_IDX(DT_DRV_INST(inst), prop, idx)
	Like DT_INST_STRING_TOKEN_BY_IDX(), but uppercased.
#define	DT_INST_STRING_UNQUOTED_BY_IDX(inst, prop, idx)    DT_STRING_UNQUOTED_BY_IDX(DT_DRV_INST(inst), prop, idx)
	Get an element out of string-array property as an unquoted sequence of tokens.
#define	DT_INST_PROP_BY_PHANDLE(inst, ph, prop)    DT_INST_PROP_BY_PHANDLE_IDX(inst, ph, 0, prop)
	Get a DT_DRV_COMPAT instance's property value from a phandle's node.
#define	DT_INST_PROP_BY_PHANDLE_IDX(inst, phs, idx, prop)    DT_PROP_BY_PHANDLE_IDX(DT_DRV_INST(inst), phs, idx, prop)
	Get a DT_DRV_COMPAT instance's property value from a phandle in a property.
#define	DT_INST_PHA_BY_IDX(inst, pha, idx, cell)    DT_PHA_BY_IDX(DT_DRV_INST(inst), pha, idx, cell)
	Get a DT_DRV_COMPAT instance's phandle-array specifier value at an index.
#define	DT_INST_PHA_BY_IDX_OR(inst, pha, idx, cell, default_value)    DT_PHA_BY_IDX_OR(DT_DRV_INST(inst), pha, idx, cell, default_value)
	Like DT_INST_PHA_BY_IDX(), but with a fallback to default_value.
#define	DT_INST_PHA(inst, pha, cell)   DT_INST_PHA_BY_IDX(inst, pha, 0, cell)
	Get a DT_DRV_COMPAT instance's phandle-array specifier value Equivalent to DT_INST_PHA_BY_IDX(inst, pha, 0, cell)
#define	DT_INST_PHA_OR(inst, pha, cell, default_value)    DT_INST_PHA_BY_IDX_OR(inst, pha, 0, cell, default_value)
	Like DT_INST_PHA(), but with a fallback to default_value.
#define	DT_INST_PHA_BY_NAME(inst, pha, name, cell)    DT_PHA_BY_NAME(DT_DRV_INST(inst), pha, name, cell)
	Get a DT_DRV_COMPAT instance's value within a phandle-array specifier by name.
#define	DT_INST_PHA_BY_NAME_OR(inst, pha, name, cell, default_value)    DT_PHA_BY_NAME_OR(DT_DRV_INST(inst), pha, name, cell, default_value)
	Like DT_INST_PHA_BY_NAME(), but with a fallback to default_value.
#define	DT_INST_PHANDLE_BY_NAME(inst, pha, name)    DT_PHANDLE_BY_NAME(DT_DRV_INST(inst), pha, name) \
	Get a DT_DRV_COMPAT instance's phandle node identifier from a phandle array by name.
#define	DT_INST_PHANDLE_BY_IDX(inst, prop, idx)    DT_PHANDLE_BY_IDX(DT_DRV_INST(inst), prop, idx)
	Get a DT_DRV_COMPAT instance's node identifier for a phandle in a property.
#define	DT_INST_PHANDLE(inst, prop)   DT_INST_PHANDLE_BY_IDX(inst, prop, 0)
	Get a DT_DRV_COMPAT instance's node identifier for a phandle property's value.
#define	DT_INST_REG_HAS_IDX(inst, idx)   DT_REG_HAS_IDX(DT_DRV_INST(inst), idx)
	is idx a valid register block index on a DT_DRV_COMPAT instance?
#define	DT_INST_REG_HAS_NAME(inst, name)   DT_REG_HAS_NAME(DT_DRV_INST(inst), name)
	is name a valid register block name on a DT_DRV_COMPAT instance?
#define	DT_INST_REG_ADDR_BY_IDX(inst, idx)   DT_REG_ADDR_BY_IDX(DT_DRV_INST(inst), idx)
	Get a DT_DRV_COMPAT instance's idx-th register block's address.
#define	DT_INST_REG_SIZE_BY_IDX(inst, idx)    DT_REG_SIZE_BY_IDX(DT_DRV_INST(inst), idx)
	Get a DT_DRV_COMPAT instance's idx-th register block's size.
#define	DT_INST_REG_ADDR_BY_NAME(inst, name)    DT_REG_ADDR_BY_NAME(DT_DRV_INST(inst), name)
	Get a DT_DRV_COMPAT's register block address by name.
#define	DT_INST_REG_ADDR_BY_NAME_OR(inst, name, default_value)    DT_REG_ADDR_BY_NAME_OR(DT_DRV_INST(inst), name, default_value)
	Like DT_INST_REG_ADDR_BY_NAME(), but with a fallback to default_value.
#define	DT_INST_REG_ADDR_BY_NAME_U64(inst, name)    DT_U64_C(DT_INST_REG_ADDR_BY_NAME(inst, name))
	64-bit version of DT_INST_REG_ADDR_BY_NAME()
#define	DT_INST_REG_SIZE_BY_NAME(inst, name)    DT_REG_SIZE_BY_NAME(DT_DRV_INST(inst), name)
	Get a DT_DRV_COMPAT's register block size by name.
#define	DT_INST_REG_SIZE_BY_NAME_OR(inst, name, default_value)    DT_REG_SIZE_BY_NAME_OR(DT_DRV_INST(inst), name, default_value)
	Like DT_INST_REG_SIZE_BY_NAME(), but with a fallback to default_value.
#define	DT_INST_REG_ADDR(inst)   DT_INST_REG_ADDR_BY_IDX(inst, 0)
	Get a DT_DRV_COMPAT's (only) register block address.
#define	DT_INST_REG_ADDR_U64(inst)   DT_U64_C(DT_INST_REG_ADDR(inst))
	64-bit version of DT_INST_REG_ADDR()
#define	DT_INST_REG_SIZE(inst)   DT_INST_REG_SIZE_BY_IDX(inst, 0)
	Get a DT_DRV_COMPAT's (only) register block size.
#define	DT_INST_IRQ_LEVEL(inst)   DT_IRQ_LEVEL(DT_DRV_INST(inst))
	Get a DT_DRV_COMPAT interrupt level.
#define	DT_INST_IRQ_BY_IDX(inst, idx, cell)    DT_IRQ_BY_IDX(DT_DRV_INST(inst), idx, cell)
	Get a DT_DRV_COMPAT interrupt specifier value at an index.
#define	DT_INST_IRQ_INTC_BY_IDX(inst, idx)    DT_IRQ_INTC_BY_IDX(DT_DRV_INST(inst), idx)
	Get a DT_DRV_COMPAT interrupt specifier's interrupt controller by index.
#define	DT_INST_IRQ_INTC_BY_NAME(inst, name)    DT_IRQ_INTC_BY_NAME(DT_DRV_INST(inst), name)
	Get a DT_DRV_COMPAT interrupt specifier's interrupt controller by name.
#define	DT_INST_IRQ_INTC(inst)    DT_INST_IRQ_INTC_BY_IDX(inst, 0)
	Get a DT_DRV_COMPAT interrupt specifier's interrupt controller.
#define	DT_INST_IRQ_BY_NAME(inst, name, cell)    DT_IRQ_BY_NAME(DT_DRV_INST(inst), name, cell)
	Get a DT_DRV_COMPAT interrupt specifier value by name.
#define	DT_INST_IRQ(inst, cell)   DT_INST_IRQ_BY_IDX(inst, 0, cell)
	Get a DT_DRV_COMPAT interrupt specifier's value.
#define	DT_INST_IRQN(inst)   DT_IRQN(DT_DRV_INST(inst))
	Get a DT_DRV_COMPAT's (only) irq number.
#define	DT_INST_IRQN_BY_IDX(inst, idx)   DT_IRQN_BY_IDX(DT_DRV_INST(inst), idx)
	Get a DT_DRV_COMPAT's irq number at index.
#define	DT_INST_BUS(inst)   DT_BUS(DT_DRV_INST(inst))
	Get a DT_DRV_COMPAT's bus node identifier.
#define	DT_INST_ON_BUS(inst, bus)   DT_ON_BUS(DT_DRV_INST(inst), bus)
	Test if a DT_DRV_COMPAT's bus type is a given type.
#define	DT_INST_STRING_TOKEN_OR(inst, name, default_value)    DT_STRING_TOKEN_OR(DT_DRV_INST(inst), name, default_value)
	Like DT_INST_STRING_TOKEN(), but with a fallback to default_value.
#define	DT_INST_STRING_UPPER_TOKEN_OR(inst, name, default_value)    DT_STRING_UPPER_TOKEN_OR(DT_DRV_INST(inst), name, default_value)
	Like DT_INST_STRING_UPPER_TOKEN(), but with a fallback to default_value.
#define	DT_INST_STRING_UNQUOTED_OR(inst, name, default_value)    DT_STRING_UNQUOTED_OR(DT_DRV_INST(inst), name, default_value)
	Like DT_INST_STRING_UNQUOTED(), but with a fallback to default_value.
#define	DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(compat, bus)    IS_ENABLED(DT_CAT4(DT_COMPAT_, compat, _BUS_, bus))
#define	DT_ANY_INST_ON_BUS_STATUS_OKAY(bus)    DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(DT_DRV_COMPAT, bus)
	Test if any DT_DRV_COMPAT node is on a bus of a given type and has status okay.
#define	DT_ANY_INST_HAS_PROP_STATUS_OKAY(prop)    COND_CODE_1(IS_EMPTY(DT_ANY_INST_HAS_PROP_STATUS_OKAY_(prop)), (0), (1))
	Check if any DT_DRV_COMPAT node with status okay has a given property.
#define	DT_INST_FOREACH_STATUS_OKAY(fn)
	Call fn on all nodes with compatible DT_DRV_COMPAT and status okay
#define	DT_INST_FOREACH_STATUS_OKAY_VARGS(fn, ...)
	Call fn on all nodes with compatible DT_DRV_COMPAT and status okay with multiple arguments.
#define	DT_INST_FOREACH_NODELABEL(inst, fn)    DT_FOREACH_NODELABEL(DT_DRV_INST(inst), fn)
	Call fn on all node labels for a given DT_DRV_COMPAT instance.
#define	DT_INST_FOREACH_NODELABEL_VARGS(inst, fn, ...)    DT_FOREACH_NODELABEL_VARGS(DT_DRV_INST(inst), fn, __VA_ARGS__)
	Call fn on all node labels for a given DT_DRV_COMPAT instance with multiple arguments.
#define	DT_INST_FOREACH_PROP_ELEM(inst, prop, fn)    DT_FOREACH_PROP_ELEM(DT_DRV_INST(inst), prop, fn)
	Invokes fn for each element of property prop for a DT_DRV_COMPAT instance.
#define	DT_INST_FOREACH_PROP_ELEM_SEP(inst, prop, fn, sep)    DT_FOREACH_PROP_ELEM_SEP(DT_DRV_INST(inst), prop, fn, sep)
	Invokes fn for each element of property prop for a DT_DRV_COMPAT instance with a separator.
#define	DT_INST_FOREACH_PROP_ELEM_VARGS(inst, prop, fn, ...)    DT_FOREACH_PROP_ELEM_VARGS(DT_DRV_INST(inst), prop, fn, __VA_ARGS__)
	Invokes fn for each element of property prop for a DT_DRV_COMPAT instance with multiple arguments.
#define	DT_INST_FOREACH_PROP_ELEM_SEP_VARGS(inst, prop, fn, sep, ...)
	Invokes fn for each element of property prop for a DT_DRV_COMPAT instance with multiple arguments and a separator.
#define	DT_INST_NODE_HAS_PROP(inst, prop)    DT_NODE_HAS_PROP(DT_DRV_INST(inst), prop)
	Does a DT_DRV_COMPAT instance have a property?
#define	DT_INST_NODE_HAS_COMPAT(inst, compat)    DT_NODE_HAS_COMPAT(DT_DRV_INST(inst), compat)
	Does a DT_DRV_COMPAT instance have the compatible?
#define	DT_INST_PHA_HAS_CELL_AT_IDX(inst, pha, idx, cell)    DT_PHA_HAS_CELL_AT_IDX(DT_DRV_INST(inst), pha, idx, cell)
	Does a phandle array have a named cell specifier at an index for a DT_DRV_COMPAT instance?
#define	DT_INST_PHA_HAS_CELL(inst, pha, cell)    DT_INST_PHA_HAS_CELL_AT_IDX(inst, pha, 0, cell)
	Does a phandle array have a named cell specifier at index 0 for a DT_DRV_COMPAT instance?
#define	DT_INST_IRQ_HAS_IDX(inst, idx)   DT_IRQ_HAS_IDX(DT_DRV_INST(inst), idx)
	is index valid for interrupt property on a DT_DRV_COMPAT instance?
#define	DT_INST_IRQ_HAS_CELL_AT_IDX(inst, idx, cell)    DT_IRQ_HAS_CELL_AT_IDX(DT_DRV_INST(inst), idx, cell)
	Does a DT_DRV_COMPAT instance have an interrupt named cell specifier?
#define	DT_INST_IRQ_HAS_CELL(inst, cell)    DT_INST_IRQ_HAS_CELL_AT_IDX(inst, 0, cell)
	Does a DT_DRV_COMPAT instance have an interrupt value?
#define	DT_INST_IRQ_HAS_NAME(inst, name)    DT_IRQ_HAS_NAME(DT_DRV_INST(inst), name)
	Does a DT_DRV_COMPAT instance have an interrupt value?

Detailed Description

Devicetree main header.

API for accessing the current application's devicetree macros.