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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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