1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2021 Semihalf. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/bus.h> 33 #include <sys/kernel.h> 34 #include <sys/module.h> 35 #include <sys/mutex.h> 36 #include <sys/rman.h> 37 #include <machine/bus.h> 38 39 #include <dev/fdt/simplebus.h> 40 41 #include <dev/extres/clk/clk.h> 42 #include <dev/extres/clk/clk_div.h> 43 #include <dev/extres/clk/clk_fixed.h> 44 #include <dev/extres/clk/clk_gate.h> 45 #include <dev/extres/clk/clk_mux.h> 46 47 #include <dev/ofw/ofw_bus.h> 48 #include <dev/ofw/ofw_bus_subr.h> 49 50 #include "clkdev_if.h" 51 #include "periph.h" 52 53 int 54 a37x0_periph_create_mux(struct clkdom *clkdom, 55 struct clk_mux_def *mux, int id) 56 { 57 int error; 58 59 mux->clkdef.id = id; 60 61 error = clknode_mux_register(clkdom, mux); 62 if (error != 0) { 63 printf("Failed to create %s: %d\n", mux->clkdef.name, error); 64 return (error); 65 } 66 67 return (0); 68 } 69 70 int 71 a37x0_periph_create_div(struct clkdom *clkdom, 72 struct clk_div_def *div, int id) 73 { 74 int error; 75 76 div->clkdef.id = id; 77 78 error = clknode_div_register(clkdom, div); 79 if (error != 0) { 80 printf("Failed to register %s: %d\n", div->clkdef.name, error); 81 return (error); 82 } 83 84 return (0); 85 } 86 87 int 88 a37x0_periph_create_gate(struct clkdom *clkdom, 89 struct clk_gate_def *gate, int id) 90 { 91 int error; 92 93 gate->clkdef.id = id; 94 95 error = clknode_gate_register(clkdom, gate); 96 if (error != 0) { 97 printf("Failed to create %s:%d\n", gate->clkdef.name, error); 98 return (error); 99 } 100 101 return (0); 102 } 103 104 void 105 a37x0_periph_set_props(struct clknode_init_def *clkdef, 106 const char **parent_names, unsigned int parent_cnt) 107 { 108 109 clkdef->parent_names = parent_names; 110 clkdef->parent_cnt = parent_cnt; 111 } 112 113