1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Interconnect framework driver for i.MX SoC 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2019, BayLibre 6*4882a593Smuzhiyun * Copyright (c) 2019-2020, NXP 7*4882a593Smuzhiyun * Author: Alexandre Bailon <abailon@baylibre.com> 8*4882a593Smuzhiyun * Author: Leonard Crestez <leonard.crestez@nxp.com> 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun #ifndef __DRIVERS_INTERCONNECT_IMX_H 11*4882a593Smuzhiyun #define __DRIVERS_INTERCONNECT_IMX_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/kernel.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define IMX_ICC_MAX_LINKS 4 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* 18*4882a593Smuzhiyun * struct imx_icc_node_adj - Describe a dynamic adjustable node 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun struct imx_icc_node_adj_desc { 21*4882a593Smuzhiyun unsigned int bw_mul, bw_div; 22*4882a593Smuzhiyun const char *phandle_name; 23*4882a593Smuzhiyun bool main_noc; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* 27*4882a593Smuzhiyun * struct imx_icc_node - Describe an interconnect node 28*4882a593Smuzhiyun * @name: name of the node 29*4882a593Smuzhiyun * @id: an unique id to identify the node 30*4882a593Smuzhiyun * @links: an array of slaves' node id 31*4882a593Smuzhiyun * @num_links: number of id defined in links 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun struct imx_icc_node_desc { 34*4882a593Smuzhiyun const char *name; 35*4882a593Smuzhiyun u16 id; 36*4882a593Smuzhiyun u16 links[IMX_ICC_MAX_LINKS]; 37*4882a593Smuzhiyun u16 num_links; 38*4882a593Smuzhiyun const struct imx_icc_node_adj_desc *adj; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #define DEFINE_BUS_INTERCONNECT(_name, _id, _adj, ...) \ 42*4882a593Smuzhiyun { \ 43*4882a593Smuzhiyun .id = _id, \ 44*4882a593Smuzhiyun .name = _name, \ 45*4882a593Smuzhiyun .adj = _adj, \ 46*4882a593Smuzhiyun .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \ 47*4882a593Smuzhiyun .links = { __VA_ARGS__ }, \ 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #define DEFINE_BUS_MASTER(_name, _id, _dest_id) \ 51*4882a593Smuzhiyun DEFINE_BUS_INTERCONNECT(_name, _id, NULL, _dest_id) 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #define DEFINE_BUS_SLAVE(_name, _id, _adj) \ 54*4882a593Smuzhiyun DEFINE_BUS_INTERCONNECT(_name, _id, _adj) 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun int imx_icc_register(struct platform_device *pdev, 57*4882a593Smuzhiyun struct imx_icc_node_desc *nodes, 58*4882a593Smuzhiyun int nodes_count); 59*4882a593Smuzhiyun int imx_icc_unregister(struct platform_device *pdev); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #endif /* __DRIVERS_INTERCONNECT_IMX_H */ 62