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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Interconnect framework driver for i.MX SoC
*
* Copyright (c) 2019, BayLibre
* Copyright (c) 2019-2020, NXP
* Author: Alexandre Bailon <abailon@baylibre.com>
* Author: Leonard Crestez <leonard.crestez@nxp.com>
*/
#ifndef __DRIVERS_INTERCONNECT_IMX_H
#define __DRIVERS_INTERCONNECT_IMX_H
#include <linux/kernel.h>
#define IMX_ICC_MAX_LINKS 4
/*
* struct imx_icc_node_adj - Describe a dynamic adjustable node
*/
struct imx_icc_node_adj_desc {
unsigned int bw_mul, bw_div;
const char *phandle_name;
bool main_noc;
};
/*
* struct imx_icc_node - Describe an interconnect node
* @name: name of the node
* @id: an unique id to identify the node
* @links: an array of slaves' node id
* @num_links: number of id defined in links
*/
struct imx_icc_node_desc {
const char *name;
u16 id;
u16 links[IMX_ICC_MAX_LINKS];
u16 num_links;
const struct imx_icc_node_adj_desc *adj;
};
#define DEFINE_BUS_INTERCONNECT(_name, _id, _adj, ...) \
{ \
.id = _id, \
.name = _name, \
.adj = _adj, \
.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \
.links = { __VA_ARGS__ }, \
}
#define DEFINE_BUS_MASTER(_name, _id, _dest_id) \
DEFINE_BUS_INTERCONNECT(_name, _id, NULL, _dest_id)
#define DEFINE_BUS_SLAVE(_name, _id, _adj) \
DEFINE_BUS_INTERCONNECT(_name, _id, _adj)
int imx_icc_register(struct platform_device *pdev,
struct imx_icc_node_desc *nodes,
int nodes_count);
int imx_icc_unregister(struct platform_device *pdev);
#endif /* __DRIVERS_INTERCONNECT_IMX_H */
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