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9057077cf4
Add a mostly complete list of ofnode analogs of of_graph parsing helpers. Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2025 Svyatoslav Ryhel <clamor95@gmail.com>
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*/
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#ifndef _DM_OFNODE_GRAPH_H
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#define _DM_OFNODE_GRAPH_H
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#include <dm/of.h>
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/**
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* ofnode_graph_get_endpoint_count() - get the number of endpoints in a device ofnode
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* @parent: ofnode to the device containing ports and endpoints
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*
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* Return: count of endpoint of this device ofnode
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*/
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unsigned int ofnode_graph_get_endpoint_count(ofnode parent);
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/**
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* ofnode_graph_get_port_count() - get the number of port in a device or ports ofnode
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* @parent: ofnode to the device or ports node
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*
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* Return: count of port of this device or ports node
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*/
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unsigned int ofnode_graph_get_port_count(ofnode parent);
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/**
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* ofnode_graph_get_port_by_id() - get the port matching a given id
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* @parent: parent ofnode
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* @id: id of the port
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*
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* Return: ofnode in given port.
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*/
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ofnode ofnode_graph_get_port_by_id(ofnode parent, u32 id);
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/**
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* ofnode_graph_get_endpoint_by_regs() - get the endpoint matching a given id
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* @parent: parent ofnode
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* @reg_id: id of the port
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* @id: id for the endpoint
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*
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* Return: ofnode in given endpoint or NULL if not found.
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* reg and port_reg are ignored when they are -1.
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*/
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ofnode ofnode_graph_get_endpoint_by_regs(ofnode parent, u32 reg_id, u32 id);
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/**
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* ofnode_graph_get_remote_endpoint() - get remote endpoint node
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* @endoint: ofnode of a local endpoint
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*
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* Return: Remote endpoint ofnode linked with local endpoint.
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*/
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ofnode ofnode_graph_get_remote_endpoint(ofnode endpoint);
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/**
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* ofnode_graph_get_port_parent() - get port's parent node
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* @endpoint: ofnode of a local endpoint
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*
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* Return: device ofnode associated with endpoint
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*/
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ofnode ofnode_graph_get_port_parent(ofnode endpoint);
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/**
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* ofnode_graph_get_remote_port_parent() - get remote port's parent ofnode
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* @endoint: ofnode of a local endpoint
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*
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* Return: device ofnode associated with endpoint linked to local endpoint.
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*/
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ofnode ofnode_graph_get_remote_port_parent(ofnode endpoint);
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/**
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* ofnode_graph_get_remote_port() - get remote port ofnode
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* @endoint: ofnode of a local endpoint
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*
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* Return: port ofnode associated with remote endpoint node linked
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* to local endpoint.
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*/
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ofnode ofnode_graph_get_remote_port(ofnode endpoint);
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/**
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* ofnode_graph_get_remote_node() - get remote parent ofnode for given port/endpoint
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* @parent: parent ofnode containing graph port/endpoint
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* @port: identifier (value of reg property) of the parent port ofnode
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* @endpoint: identifier (value of reg property) of the endpoint ofnode
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*
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* Return: device ofnode associated with endpoint linked to local endpoint.
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*/
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ofnode ofnode_graph_get_remote_node(ofnode parent, u32 port, u32 endpoint);
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#endif
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