1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright 2018 Emmanuel Vadot <[email protected]> 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 * $FreeBSD$ 28 */ 29 30 #ifndef _RK_CLK_COMPOSITE_H_ 31 #define _RK_CLK_COMPOSITE_H_ 32 33 #include <dev/extres/clk/clk.h> 34 35 struct rk_clk_composite_def { 36 struct clknode_init_def clkdef; 37 38 uint32_t muxdiv_offset; 39 40 uint32_t mux_shift; 41 uint32_t mux_width; 42 43 uint32_t div_shift; 44 uint32_t div_width; 45 46 uint32_t gate_offset; 47 uint32_t gate_shift; 48 49 uint32_t flags; 50 }; 51 52 #define RK_CLK_COMPOSITE_HAVE_MUX 0x0001 53 #define RK_CLK_COMPOSITE_HAVE_GATE 0x0002 54 #define RK_CLK_COMPOSITE_DIV_EXP 0x0004 /* Register 0, 1, 2, 2, ... */ 55 /* Divider 1, 2, 4, 8, ... */ 56 #define RK_CLK_COMPOSITE_GRF 0x0008 /* Use syscon registers instead of CRU's */ 57 int rk_clk_composite_register(struct clkdom *clkdom, 58 struct rk_clk_composite_def *clkdef); 59 60 #endif /* _RK_CLK_COMPOSITE_H_ */ 61